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Externals: Add libLZMA.

This commit is contained in:
degasus 2019-12-30 15:07:54 +01:00
parent 4385afdb0a
commit 9fd03cda9d
156 changed files with 35414 additions and 0 deletions
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14
CMakeLists.txt
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@ -588,6 +588,20 @@ else()
add_subdirectory(Externals/bzip2)
endif()
# macOS ships with liblzma.dylib but no headers, so check for the headers too
find_package(LibLZMA)
check_include_file(lzma.h HAVE_LZMA_H)
if(LIBLZMA_FOUND AND HAVE_LZMA_H)
message(STATUS "Using shared lzma")
else()
if(LIBLZMA_FOUND AND NOT HAVE_LZMA_H)
message(STATUS "Shared lzma found but lacks headers, falling back to the static library")
else()
message(STATUS "Shared lzma not found, falling back to the static library")
endif()
add_subdirectory(Externals/liblzma)
endif()
find_package(ZLIB)
if(ZLIB_FOUND)
message(STATUS "Using shared zlib")

226
Externals/liblzma/CMakeLists.txt vendored Normal file
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@ -0,0 +1,226 @@
project(lzma C)
include(CheckTypeSize)
include(CheckFunctionExists)
include(CheckIncludeFile)
include(CheckCSourceCompiles)
check_include_file(sys/types.h HAVE_SYS_TYPES_H)
check_include_file(stdint.h HAVE_STDINT_H)
check_include_file(stddef.h HAVE_STDDEF_H)
# Check to see if we have large file support
set(CMAKE_REQUIRED_DEFINITIONS -D_LARGEFILE64_SOURCE=1)
# We add these other definitions here because CheckTypeSize.cmake
# in CMake 2.4.x does not automatically do so and we want
# compatibility with CMake 2.4.x.
if(HAVE_SYS_TYPES_H)
list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_SYS_TYPES_H)
endif()
if(HAVE_STDINT_H)
list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDINT_H)
endif()
if(HAVE_STDDEF_H)
list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDDEF_H)
endif()
check_type_size(off64_t OFF64_T)
if(HAVE_OFF64_T)
add_definitions(-D_LARGEFILE64_SOURCE=1)
endif()
set(CMAKE_REQUIRED_DEFINITIONS) # clear variable
# Check for fseeko
check_function_exists(fseeko HAVE_FSEEKO)
if(NOT HAVE_FSEEKO)
add_definitions(-DNO_FSEEKO)
endif()
#
# Check for unistd.h
#
check_include_file(unistd.h HAVE_UNISTD_H)
if(HAVE_UNISTD_H)
add_definitions(-DHAVE_UNISTD_H)
endif()
if(MSVC)
add_definitions(-D_CRT_SECURE_NO_DEPRECATE)
add_definitions(-D_CRT_NONSTDC_NO_DEPRECATE)
endif()
add_definitions(-DHAVE_CONFIG_H)
add_definitions(-DLZMA_API_STATIC)
#============================================================================
# lzma
#============================================================================
set(LZMA_PUBLIC_HDRS
api/lzma.h
api/lzma/base.h
api/lzma/bcj.h
api/lzma/block.h
api/lzma/check.h
api/lzma/container.h
api/lzma/delta.h
api/lzma/filter.h
api/lzma/hardware.h
api/lzma/index.h
api/lzma/index_hash.h
api/lzma/lzma12.h
api/lzma/stream_flags.h
api/lzma/version.h
api/lzma/vli.h
)
set(LZMA_SRCS
check/check.c
check/check.h
check/crc32_fast.c
check/crc32_table_be.h
check/crc32_table.c
check/crc32_table_le.h
check/crc64_fast.c
check/crc64_table_be.h
check/crc64_table.c
check/crc64_table_le.h
check/crc_macros.h
check/sha256.c
common/alone_decoder.c
common/alone_decoder.h
common/alone_encoder.c
common/auto_decoder.c
common/block_buffer_decoder.c
common/block_buffer_encoder.c
common/block_buffer_encoder.h
common/block_decoder.c
common/block_decoder.h
common/block_encoder.c
common/block_encoder.h
common/block_header_decoder.c
common/block_header_encoder.c
common/block_util.c
common/common.c
common/common.h
common/easy_buffer_encoder.c
common/easy_decoder_memusage.c
common/easy_encoder.c
common/easy_encoder_memusage.c
common/easy_preset.c
common/easy_preset.h
common/filter_buffer_decoder.c
common/filter_buffer_encoder.c
common/filter_common.c
common/filter_common.h
common/filter_decoder.c
common/filter_decoder.h
common/filter_encoder.c
common/filter_encoder.h
common/filter_flags_decoder.c
common/filter_flags_encoder.c
common/hardware_cputhreads.c
common/hardware_physmem.c
common/index.c
common/index_decoder.c
common/index_encoder.c
common/index_encoder.h
common/index.h
common/index_hash.c
common/memcmplen.h
common/outqueue.c
common/outqueue.h
common/stream_buffer_decoder.c
common/stream_buffer_encoder.c
common/stream_decoder.c
common/stream_decoder.h
common/stream_encoder.c
common/stream_encoder_mt.c
common/stream_flags_common.c
common/stream_flags_common.h
common/stream_flags_decoder.c
common/stream_flags_encoder.c
common/vli_decoder.c
common/vli_encoder.c
common/vli_size.c
delta/delta_common.c
delta/delta_common.h
delta/delta_decoder.c
delta/delta_decoder.h
delta/delta_encoder.c
delta/delta_encoder.h
delta/delta_private.h
lz/lz_decoder.c
lz/lz_decoder.h
lz/lz_encoder.c
lz/lz_encoder.h
lz/lz_encoder_hash.h
lz/lz_encoder_hash_table.h
lz/lz_encoder_mf.c
lzma/fastpos.h
lzma/fastpos_table.c
lzma/lzma2_decoder.c
lzma/lzma2_decoder.h
lzma/lzma2_encoder.c
lzma/lzma2_encoder.h
lzma/lzma_common.h
lzma/lzma_decoder.c
lzma/lzma_decoder.h
lzma/lzma_encoder.c
lzma/lzma_encoder.h
lzma/lzma_encoder_optimum_fast.c
lzma/lzma_encoder_optimum_normal.c
lzma/lzma_encoder_presets.c
lzma/lzma_encoder_private.h
rangecoder/price.h
rangecoder/price_table.c
rangecoder/range_common.h
rangecoder/range_decoder.h
rangecoder/range_encoder.h
simple/simple_coder.c
simple/simple_coder.h
simple/simple_decoder.c
simple/simple_decoder.h
simple/simple_encoder.c
simple/simple_encoder.h
simple/simple_private.h
tuklib/mythread.h
tuklib/sysdefs.h
tuklib/tuklib_common.h
tuklib/tuklib_config.h
tuklib/tuklib_cpucores.c
tuklib/tuklib_cpucores.h
tuklib/tuklib_exit.c
tuklib/tuklib_exit.h
tuklib/tuklib_gettext.h
tuklib/tuklib_integer.h
tuklib/tuklib_mbstr_fw.c
tuklib/tuklib_mbstr.h
tuklib/tuklib_mbstr_width.c
tuklib/tuklib_open_stdxxx.c
tuklib/tuklib_open_stdxxx.h
tuklib/tuklib_physmem.c
tuklib/tuklib_physmem.h
tuklib/tuklib_progname.c
tuklib/tuklib_progname.h
)
add_library(lzma STATIC ${LZMA_SRCS} ${LZMA_PUBLIC_HDRS})
add_library(LibLZMA::LibLZMA ALIAS lzma)
target_compile_definitions(lzma PUBLIC LZMA_API_STATIC)
target_include_directories(lzma
PUBLIC
${CMAKE_CURRENT_SOURCE_DIR}/api
PRIVATE
${CMAKE_CURRENT_SOURCE_DIR}/
${CMAKE_CURRENT_SOURCE_DIR}/check
${CMAKE_CURRENT_SOURCE_DIR}/common
${CMAKE_CURRENT_SOURCE_DIR}/delta
${CMAKE_CURRENT_SOURCE_DIR}/lz
${CMAKE_CURRENT_SOURCE_DIR}/lzma
${CMAKE_CURRENT_SOURCE_DIR}/rangecoder
${CMAKE_CURRENT_SOURCE_DIR}/simple
${CMAKE_CURRENT_SOURCE_DIR}/tuklib
)

65
Externals/liblzma/COPYING vendored Normal file
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@ -0,0 +1,65 @@
XZ Utils Licensing
==================
Different licenses apply to different files in this package. Here
is a rough summary of which licenses apply to which parts of this
package (but check the individual files to be sure!):
- liblzma is in the public domain.
- xz, xzdec, and lzmadec command line tools are in the public
domain unless GNU getopt_long had to be compiled and linked
in from the lib directory. The getopt_long code is under
GNU LGPLv2.1+.
- The scripts to grep, diff, and view compressed files have been
adapted from gzip. These scripts and their documentation are
under GNU GPLv2+.
- All the documentation in the doc directory and most of the
XZ Utils specific documentation files in other directories
are in the public domain.
- Translated messages are in the public domain.
- The build system contains public domain files, and files that
are under GNU GPLv2+ or GNU GPLv3+. None of these files end up
in the binaries being built.
- Test files and test code in the tests directory, and debugging
utilities in the debug directory are in the public domain.
- The extra directory may contain public domain files, and files
that are under various free software licenses.
You can do whatever you want with the files that have been put into
the public domain. If you find public domain legally problematic,
take the previous sentence as a license grant. If you still find
the lack of copyright legally problematic, you have too many
lawyers.
As usual, this software is provided "as is", without any warranty.
If you copy significant amounts of public domain code from XZ Utils
into your project, acknowledging this somewhere in your software is
polite (especially if it is proprietary, non-free software), but
naturally it is not legally required. Here is an example of a good
notice to put into "about box" or into documentation:
This software includes code from XZ Utils <https://tukaani.org/xz/>.
The following license texts are included in the following files:
- COPYING.LGPLv2.1: GNU Lesser General Public License version 2.1
- COPYING.GPLv2: GNU General Public License version 2
- COPYING.GPLv3: GNU General Public License version 3
Note that the toolchain (compiler, linker etc.) may add some code
pieces that are copyrighted. Thus, it is possible that e.g. liblzma
binary wouldn't actually be in the public domain in its entirety
even though it contains no copyrighted code from the XZ Utils source
package.
If you have questions, don't hesitate to ask the author(s) for more
information.

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325
Externals/liblzma/api/lzma.h vendored Normal file
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@ -0,0 +1,325 @@
/**
* \file api/lzma.h
* \brief The public API of liblzma data compression library
*
* liblzma is a public domain general-purpose data compression library with
* a zlib-like API. The native file format is .xz, but also the old .lzma
* format and raw (no headers) streams are supported. Multiple compression
* algorithms (filters) are supported. Currently LZMA2 is the primary filter.
*
* liblzma is part of XZ Utils <http://tukaani.org/xz/>. XZ Utils includes
* a gzip-like command line tool named xz and some other tools. XZ Utils
* is developed and maintained by Lasse Collin.
*
* Major parts of liblzma are based on Igor Pavlov's public domain LZMA SDK
* <http://7-zip.org/sdk.html>.
*
* The SHA-256 implementation is based on the public domain code found from
* 7-Zip <http://7-zip.org/>, which has a modified version of the public
* domain SHA-256 code found from Crypto++ <http://www.cryptopp.com/>.
* The SHA-256 code in Crypto++ was written by Kevin Springle and Wei Dai.
*/
/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*/
#ifndef LZMA_H
#define LZMA_H
/*****************************
* Required standard headers *
*****************************/
/*
* liblzma API headers need some standard types and macros. To allow
* including lzma.h without requiring the application to include other
* headers first, lzma.h includes the required standard headers unless
* they already seem to be included already or if LZMA_MANUAL_HEADERS
* has been defined.
*
* Here's what types and macros are needed and from which headers:
* - stddef.h: size_t, NULL
* - stdint.h: uint8_t, uint32_t, uint64_t, UINT32_C(n), uint64_C(n),
* UINT32_MAX, UINT64_MAX
*
* However, inttypes.h is a little more portable than stdint.h, although
* inttypes.h declares some unneeded things compared to plain stdint.h.
*
* The hacks below aren't perfect, specifically they assume that inttypes.h
* exists and that it typedefs at least uint8_t, uint32_t, and uint64_t,
* and that, in case of incomplete inttypes.h, unsigned int is 32-bit.
* If the application already takes care of setting up all the types and
* macros properly (for example by using gnulib's stdint.h or inttypes.h),
* we try to detect that the macros are already defined and don't include
* inttypes.h here again. However, you may define LZMA_MANUAL_HEADERS to
* force this file to never include any system headers.
*
* Some could argue that liblzma API should provide all the required types,
* for example lzma_uint64, LZMA_UINT64_C(n), and LZMA_UINT64_MAX. This was
* seen as an unnecessary mess, since most systems already provide all the
* necessary types and macros in the standard headers.
*
* Note that liblzma API still has lzma_bool, because using stdbool.h would
* break C89 and C++ programs on many systems. sizeof(bool) in C99 isn't
* necessarily the same as sizeof(bool) in C++.
*/
#ifndef LZMA_MANUAL_HEADERS
/*
* I suppose this works portably also in C++. Note that in C++,
* we need to get size_t into the global namespace.
*/
# include <stddef.h>
/*
* Skip inttypes.h if we already have all the required macros. If we
* have the macros, we assume that we have the matching typedefs too.
*/
# if !defined(UINT32_C) || !defined(UINT64_C) \
|| !defined(UINT32_MAX) || !defined(UINT64_MAX)
/*
* MSVC versions older than 2013 have no C99 support, and
* thus they cannot be used to compile liblzma. Using an
* existing liblzma.dll with old MSVC can work though(*),
* but we need to define the required standard integer
* types here in a MSVC-specific way.
*
* (*) If you do this, the existing liblzma.dll probably uses
* a different runtime library than your MSVC-built
* application. Mixing runtimes is generally bad, but
* in this case it should work as long as you avoid
* the few rarely-needed liblzma functions that allocate
* memory and expect the caller to free it using free().
*/
# if defined(_WIN32) && defined(_MSC_VER) && _MSC_VER < 1800
typedef unsigned __int8 uint8_t;
typedef unsigned __int32 uint32_t;
typedef unsigned __int64 uint64_t;
# else
/* Use the standard inttypes.h. */
# ifdef __cplusplus
/*
* C99 sections 7.18.2 and 7.18.4 specify
* that C++ implementations define the limit
* and constant macros only if specifically
* requested. Note that if you want the
* format macros (PRIu64 etc.) too, you need
* to define __STDC_FORMAT_MACROS before
* including lzma.h, since re-including
* inttypes.h with __STDC_FORMAT_MACROS
* defined doesn't necessarily work.
*/
# ifndef __STDC_LIMIT_MACROS
# define __STDC_LIMIT_MACROS 1
# endif
# ifndef __STDC_CONSTANT_MACROS
# define __STDC_CONSTANT_MACROS 1
# endif
# endif
# include <inttypes.h>
# endif
/*
* Some old systems have only the typedefs in inttypes.h, and
* lack all the macros. For those systems, we need a few more
* hacks. We assume that unsigned int is 32-bit and unsigned
* long is either 32-bit or 64-bit. If these hacks aren't
* enough, the application has to setup the types manually
* before including lzma.h.
*/
# ifndef UINT32_C
# if defined(_WIN32) && defined(_MSC_VER)
# define UINT32_C(n) n ## UI32
# else
# define UINT32_C(n) n ## U
# endif
# endif
# ifndef UINT64_C
# if defined(_WIN32) && defined(_MSC_VER)
# define UINT64_C(n) n ## UI64
# else
/* Get ULONG_MAX. */
# include <limits.h>
# if ULONG_MAX == 4294967295UL
# define UINT64_C(n) n ## ULL
# else
# define UINT64_C(n) n ## UL
# endif
# endif
# endif
# ifndef UINT32_MAX
# define UINT32_MAX (UINT32_C(4294967295))
# endif
# ifndef UINT64_MAX
# define UINT64_MAX (UINT64_C(18446744073709551615))
# endif
# endif
#endif /* ifdef LZMA_MANUAL_HEADERS */
/******************
* LZMA_API macro *
******************/
/*
* Some systems require that the functions and function pointers are
* declared specially in the headers. LZMA_API_IMPORT is for importing
* symbols and LZMA_API_CALL is to specify the calling convention.
*
* By default it is assumed that the application will link dynamically
* against liblzma. #define LZMA_API_STATIC in your application if you
* want to link against static liblzma. If you don't care about portability
* to operating systems like Windows, or at least don't care about linking
* against static liblzma on them, don't worry about LZMA_API_STATIC. That
* is, most developers will never need to use LZMA_API_STATIC.
*
* The GCC variants are a special case on Windows (Cygwin and MinGW).
* We rely on GCC doing the right thing with its auto-import feature,
* and thus don't use __declspec(dllimport). This way developers don't
* need to worry about LZMA_API_STATIC. Also the calling convention is
* omitted on Cygwin but not on MinGW.
*/
#ifndef LZMA_API_IMPORT
# if !defined(LZMA_API_STATIC) && defined(_WIN32) && !defined(__GNUC__)
# define LZMA_API_IMPORT __declspec(dllimport)
# else
# define LZMA_API_IMPORT
# endif
#endif
#ifndef LZMA_API_CALL
# if defined(_WIN32) && !defined(__CYGWIN__)
# define LZMA_API_CALL __cdecl
# else
# define LZMA_API_CALL
# endif
#endif
#ifndef LZMA_API
# define LZMA_API(type) LZMA_API_IMPORT type LZMA_API_CALL
#endif
/***********
* nothrow *
***********/
/*
* None of the functions in liblzma may throw an exception. Even
* the functions that use callback functions won't throw exceptions,
* because liblzma would break if a callback function threw an exception.
*/
#ifndef lzma_nothrow
# if defined(__cplusplus)
# if __cplusplus >= 201103L
# define lzma_nothrow noexcept
# else
# define lzma_nothrow throw()
# endif
# elif __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3)
# define lzma_nothrow __attribute__((__nothrow__))
# else
# define lzma_nothrow
# endif
#endif
/********************
* GNU C extensions *
********************/
/*
* GNU C extensions are used conditionally in the public API. It doesn't
* break anything if these are sometimes enabled and sometimes not, only
* affects warnings and optimizations.
*/
#if __GNUC__ >= 3
# ifndef lzma_attribute
# define lzma_attribute(attr) __attribute__(attr)
# endif
/* warn_unused_result was added in GCC 3.4. */
# ifndef lzma_attr_warn_unused_result
# if __GNUC__ == 3 && __GNUC_MINOR__ < 4
# define lzma_attr_warn_unused_result
# endif
# endif
#else
# ifndef lzma_attribute
# define lzma_attribute(attr)
# endif
#endif
#ifndef lzma_attr_pure
# define lzma_attr_pure lzma_attribute((__pure__))
#endif
#ifndef lzma_attr_const
# define lzma_attr_const lzma_attribute((__const__))
#endif
#ifndef lzma_attr_warn_unused_result
# define lzma_attr_warn_unused_result \
lzma_attribute((__warn_unused_result__))
#endif
/**************
* Subheaders *
**************/
#ifdef __cplusplus
extern "C" {
#endif
/*
* Subheaders check that this is defined. It is to prevent including
* them directly from applications.
*/
#define LZMA_H_INTERNAL 1
/* Basic features */
#include "lzma/version.h"
#include "lzma/base.h"
#include "lzma/vli.h"
#include "lzma/check.h"
/* Filters */
#include "lzma/filter.h"
#include "lzma/bcj.h"
#include "lzma/delta.h"
#include "lzma/lzma12.h"
/* Container formats */
#include "lzma/container.h"
/* Advanced features */
#include "lzma/stream_flags.h"
#include "lzma/block.h"
#include "lzma/index.h"
#include "lzma/index_hash.h"
/* Hardware information */
#include "lzma/hardware.h"
/*
* All subheaders included. Undefine LZMA_H_INTERNAL to prevent applications
* re-including the subheaders.
*/
#undef LZMA_H_INTERNAL
#ifdef __cplusplus
}
#endif
#endif /* ifndef LZMA_H */

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/**
* \file lzma/base.h
* \brief Data types and functions used in many places in liblzma API
*/
/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/
#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif
/**
* \brief Boolean
*
* This is here because C89 doesn't have stdbool.h. To set a value for
* variables having type lzma_bool, you can use
* - C99's `true' and `false' from stdbool.h;
* - C++'s internal `true' and `false'; or
* - integers one (true) and zero (false).
*/
typedef unsigned char lzma_bool;
/**
* \brief Type of reserved enumeration variable in structures
*
* To avoid breaking library ABI when new features are added, several
* structures contain extra variables that may be used in future. Since
* sizeof(enum) can be different than sizeof(int), and sizeof(enum) may
* even vary depending on the range of enumeration constants, we specify
* a separate type to be used for reserved enumeration variables. All
* enumeration constants in liblzma API will be non-negative and less
* than 128, which should guarantee that the ABI won't break even when
* new constants are added to existing enumerations.
*/
typedef enum {
LZMA_RESERVED_ENUM = 0
} lzma_reserved_enum;
/**
* \brief Return values used by several functions in liblzma
*
* Check the descriptions of specific functions to find out which return
* values they can return. With some functions the return values may have
* more specific meanings than described here; those differences are
* described per-function basis.
*/
typedef enum {
LZMA_OK = 0,
/**<
* \brief Operation completed successfully
*/
LZMA_STREAM_END = 1,
/**<
* \brief End of stream was reached
*
* In encoder, LZMA_SYNC_FLUSH, LZMA_FULL_FLUSH, or
* LZMA_FINISH was finished. In decoder, this indicates
* that all the data was successfully decoded.
*
* In all cases, when LZMA_STREAM_END is returned, the last
* output bytes should be picked from strm->next_out.
*/
LZMA_NO_CHECK = 2,
/**<
* \brief Input stream has no integrity check
*
* This return value can be returned only if the
* LZMA_TELL_NO_CHECK flag was used when initializing
* the decoder. LZMA_NO_CHECK is just a warning, and
* the decoding can be continued normally.
*
* It is possible to call lzma_get_check() immediately after
* lzma_code has returned LZMA_NO_CHECK. The result will
* naturally be LZMA_CHECK_NONE, but the possibility to call
* lzma_get_check() may be convenient in some applications.
*/
LZMA_UNSUPPORTED_CHECK = 3,
/**<
* \brief Cannot calculate the integrity check
*
* The usage of this return value is different in encoders
* and decoders.
*
* Encoders can return this value only from the initialization
* function. If initialization fails with this value, the
* encoding cannot be done, because there's no way to produce
* output with the correct integrity check.
*
* Decoders can return this value only from lzma_code() and
* only if the LZMA_TELL_UNSUPPORTED_CHECK flag was used when
* initializing the decoder. The decoding can still be
* continued normally even if the check type is unsupported,
* but naturally the check will not be validated, and possible
* errors may go undetected.
*
* With decoder, it is possible to call lzma_get_check()
* immediately after lzma_code() has returned
* LZMA_UNSUPPORTED_CHECK. This way it is possible to find
* out what the unsupported Check ID was.
*/
LZMA_GET_CHECK = 4,
/**<
* \brief Integrity check type is now available
*
* This value can be returned only by the lzma_code() function
* and only if the decoder was initialized with the
* LZMA_TELL_ANY_CHECK flag. LZMA_GET_CHECK tells the
* application that it may now call lzma_get_check() to find
* out the Check ID. This can be used, for example, to
* implement a decoder that accepts only files that have
* strong enough integrity check.
*/
LZMA_MEM_ERROR = 5,
/**<
* \brief Cannot allocate memory
*
* Memory allocation failed, or the size of the allocation
* would be greater than SIZE_MAX.
*
* Due to internal implementation reasons, the coding cannot
* be continued even if more memory were made available after
* LZMA_MEM_ERROR.
*/
LZMA_MEMLIMIT_ERROR = 6,
/**
* \brief Memory usage limit was reached
*
* Decoder would need more memory than allowed by the
* specified memory usage limit. To continue decoding,
* the memory usage limit has to be increased with
* lzma_memlimit_set().
*/
LZMA_FORMAT_ERROR = 7,
/**<
* \brief File format not recognized
*
* The decoder did not recognize the input as supported file
* format. This error can occur, for example, when trying to
* decode .lzma format file with lzma_stream_decoder,
* because lzma_stream_decoder accepts only the .xz format.
*/
LZMA_OPTIONS_ERROR = 8,
/**<
* \brief Invalid or unsupported options
*
* Invalid or unsupported options, for example
* - unsupported filter(s) or filter options; or
* - reserved bits set in headers (decoder only).
*
* Rebuilding liblzma with more features enabled, or
* upgrading to a newer version of liblzma may help.
*/
LZMA_DATA_ERROR = 9,
/**<
* \brief Data is corrupt
*
* The usage of this return value is different in encoders
* and decoders. In both encoder and decoder, the coding
* cannot continue after this error.
*
* Encoders return this if size limits of the target file
* format would be exceeded. These limits are huge, thus
* getting this error from an encoder is mostly theoretical.
* For example, the maximum compressed and uncompressed
* size of a .xz Stream is roughly 8 EiB (2^63 bytes).
*
* Decoders return this error if the input data is corrupt.
* This can mean, for example, invalid CRC32 in headers
* or invalid check of uncompressed data.
*/
LZMA_BUF_ERROR = 10,
/**<
* \brief No progress is possible
*
* This error code is returned when the coder cannot consume
* any new input and produce any new output. The most common
* reason for this error is that the input stream being
* decoded is truncated or corrupt.
*
* This error is not fatal. Coding can be continued normally
* by providing more input and/or more output space, if
* possible.
*
* Typically the first call to lzma_code() that can do no
* progress returns LZMA_OK instead of LZMA_BUF_ERROR. Only
* the second consecutive call doing no progress will return
* LZMA_BUF_ERROR. This is intentional.
*
* With zlib, Z_BUF_ERROR may be returned even if the
* application is doing nothing wrong, so apps will need
* to handle Z_BUF_ERROR specially. The above hack
* guarantees that liblzma never returns LZMA_BUF_ERROR
* to properly written applications unless the input file
* is truncated or corrupt. This should simplify the
* applications a little.
*/
LZMA_PROG_ERROR = 11,
/**<
* \brief Programming error
*
* This indicates that the arguments given to the function are
* invalid or the internal state of the decoder is corrupt.
* - Function arguments are invalid or the structures
* pointed by the argument pointers are invalid
* e.g. if strm->next_out has been set to NULL and
* strm->avail_out > 0 when calling lzma_code().
* - lzma_* functions have been called in wrong order
* e.g. lzma_code() was called right after lzma_end().
* - If errors occur randomly, the reason might be flaky
* hardware.
*
* If you think that your code is correct, this error code
* can be a sign of a bug in liblzma. See the documentation
* how to report bugs.
*/
} lzma_ret;
/**
* \brief The `action' argument for lzma_code()
*
* After the first use of LZMA_SYNC_FLUSH, LZMA_FULL_FLUSH, LZMA_FULL_BARRIER,
* or LZMA_FINISH, the same `action' must is used until lzma_code() returns
* LZMA_STREAM_END. Also, the amount of input (that is, strm->avail_in) must
* not be modified by the application until lzma_code() returns
* LZMA_STREAM_END. Changing the `action' or modifying the amount of input
* will make lzma_code() return LZMA_PROG_ERROR.
*/
typedef enum {
LZMA_RUN = 0,
/**<
* \brief Continue coding
*
* Encoder: Encode as much input as possible. Some internal
* buffering will probably be done (depends on the filter
* chain in use), which causes latency: the input used won't
* usually be decodeable from the output of the same
* lzma_code() call.
*
* Decoder: Decode as much input as possible and produce as
* much output as possible.
*/
LZMA_SYNC_FLUSH = 1,
/**<
* \brief Make all the input available at output
*
* Normally the encoder introduces some latency.
* LZMA_SYNC_FLUSH forces all the buffered data to be
* available at output without resetting the internal
* state of the encoder. This way it is possible to use
* compressed stream for example for communication over
* network.
*
* Only some filters support LZMA_SYNC_FLUSH. Trying to use
* LZMA_SYNC_FLUSH with filters that don't support it will
* make lzma_code() return LZMA_OPTIONS_ERROR. For example,
* LZMA1 doesn't support LZMA_SYNC_FLUSH but LZMA2 does.
*
* Using LZMA_SYNC_FLUSH very often can dramatically reduce
* the compression ratio. With some filters (for example,
* LZMA2), fine-tuning the compression options may help
* mitigate this problem significantly (for example,
* match finder with LZMA2).
*
* Decoders don't support LZMA_SYNC_FLUSH.
*/
LZMA_FULL_FLUSH = 2,
/**<
* \brief Finish encoding of the current Block
*
* All the input data going to the current Block must have
* been given to the encoder (the last bytes can still be
* pending in *next_in). Call lzma_code() with LZMA_FULL_FLUSH
* until it returns LZMA_STREAM_END. Then continue normally
* with LZMA_RUN or finish the Stream with LZMA_FINISH.
*
* This action is currently supported only by Stream encoder
* and easy encoder (which uses Stream encoder). If there is
* no unfinished Block, no empty Block is created.
*/
LZMA_FULL_BARRIER = 4,
/**<
* \brief Finish encoding of the current Block
*
* This is like LZMA_FULL_FLUSH except that this doesn't
* necessarily wait until all the input has been made
* available via the output buffer. That is, lzma_code()
* might return LZMA_STREAM_END as soon as all the input
* has been consumed (avail_in == 0).
*
* LZMA_FULL_BARRIER is useful with a threaded encoder if
* one wants to split the .xz Stream into Blocks at specific
* offsets but doesn't care if the output isn't flushed
* immediately. Using LZMA_FULL_BARRIER allows keeping
* the threads busy while LZMA_FULL_FLUSH would make
* lzma_code() wait until all the threads have finished
* until more data could be passed to the encoder.
*
* With a lzma_stream initialized with the single-threaded
* lzma_stream_encoder() or lzma_easy_encoder(),
* LZMA_FULL_BARRIER is an alias for LZMA_FULL_FLUSH.
*/
LZMA_FINISH = 3
/**<
* \brief Finish the coding operation
*
* All the input data must have been given to the encoder
* (the last bytes can still be pending in next_in).
* Call lzma_code() with LZMA_FINISH until it returns
* LZMA_STREAM_END. Once LZMA_FINISH has been used,
* the amount of input must no longer be changed by
* the application.
*
* When decoding, using LZMA_FINISH is optional unless the
* LZMA_CONCATENATED flag was used when the decoder was
* initialized. When LZMA_CONCATENATED was not used, the only
* effect of LZMA_FINISH is that the amount of input must not
* be changed just like in the encoder.
*/
} lzma_action;
/**
* \brief Custom functions for memory handling
*
* A pointer to lzma_allocator may be passed via lzma_stream structure
* to liblzma, and some advanced functions take a pointer to lzma_allocator
* as a separate function argument. The library will use the functions
* specified in lzma_allocator for memory handling instead of the default
* malloc() and free(). C++ users should note that the custom memory
* handling functions must not throw exceptions.
*
* Single-threaded mode only: liblzma doesn't make an internal copy of
* lzma_allocator. Thus, it is OK to change these function pointers in
* the middle of the coding process, but obviously it must be done
* carefully to make sure that the replacement `free' can deallocate
* memory allocated by the earlier `alloc' function(s).
*
* Multithreaded mode: liblzma might internally store pointers to the
* lzma_allocator given via the lzma_stream structure. The application
* must not change the allocator pointer in lzma_stream or the contents
* of the pointed lzma_allocator structure until lzma_end() has been used
* to free the memory associated with that lzma_stream. The allocation
* functions might be called simultaneously from multiple threads, and
* thus they must be thread safe.
*/
typedef struct {
/**
* \brief Pointer to a custom memory allocation function
*
* If you don't want a custom allocator, but still want
* custom free(), set this to NULL and liblzma will use
* the standard malloc().
*
* \param opaque lzma_allocator.opaque (see below)
* \param nmemb Number of elements like in calloc(). liblzma
* will always set nmemb to 1, so it is safe to
* ignore nmemb in a custom allocator if you like.
* The nmemb argument exists only for
* compatibility with zlib and libbzip2.
* \param size Size of an element in bytes.
* liblzma never sets this to zero.
*
* \return Pointer to the beginning of a memory block of
* `size' bytes, or NULL if allocation fails
* for some reason. When allocation fails, functions
* of liblzma return LZMA_MEM_ERROR.
*
* The allocator should not waste time zeroing the allocated buffers.
* This is not only about speed, but also memory usage, since the
* operating system kernel doesn't necessarily allocate the requested
* memory in physical memory until it is actually used. With small
* input files, liblzma may actually need only a fraction of the
* memory that it requested for allocation.
*
* \note LZMA_MEM_ERROR is also used when the size of the
* allocation would be greater than SIZE_MAX. Thus,
* don't assume that the custom allocator must have
* returned NULL if some function from liblzma
* returns LZMA_MEM_ERROR.
*/
void *(LZMA_API_CALL *alloc)(void *opaque, size_t nmemb, size_t size);
/**
* \brief Pointer to a custom memory freeing function
*
* If you don't want a custom freeing function, but still
* want a custom allocator, set this to NULL and liblzma
* will use the standard free().
*
* \param opaque lzma_allocator.opaque (see below)
* \param ptr Pointer returned by lzma_allocator.alloc(),
* or when it is set to NULL, a pointer returned
* by the standard malloc().
*/
void (LZMA_API_CALL *free)(void *opaque, void *ptr);
/**
* \brief Pointer passed to .alloc() and .free()
*
* opaque is passed as the first argument to lzma_allocator.alloc()
* and lzma_allocator.free(). This intended to ease implementing
* custom memory allocation functions for use with liblzma.
*
* If you don't need this, you should set this to NULL.
*/
void *opaque;
} lzma_allocator;
/**
* \brief Internal data structure
*
* The contents of this structure is not visible outside the library.
*/
typedef struct lzma_internal_s lzma_internal;
/**
* \brief Passing data to and from liblzma
*
* The lzma_stream structure is used for
* - passing pointers to input and output buffers to liblzma;
* - defining custom memory hander functions; and
* - holding a pointer to coder-specific internal data structures.
*
* Typical usage:
*
* - After allocating lzma_stream (on stack or with malloc()), it must be
* initialized to LZMA_STREAM_INIT (see LZMA_STREAM_INIT for details).
*
* - Initialize a coder to the lzma_stream, for example by using
* lzma_easy_encoder() or lzma_auto_decoder(). Some notes:
* - In contrast to zlib, strm->next_in and strm->next_out are
* ignored by all initialization functions, thus it is safe
* to not initialize them yet.
* - The initialization functions always set strm->total_in and
* strm->total_out to zero.
* - If the initialization function fails, no memory is left allocated
* that would require freeing with lzma_end() even if some memory was
* associated with the lzma_stream structure when the initialization
* function was called.
*
* - Use lzma_code() to do the actual work.
*
* - Once the coding has been finished, the existing lzma_stream can be
* reused. It is OK to reuse lzma_stream with different initialization
* function without calling lzma_end() first. Old allocations are
* automatically freed.
*
* - Finally, use lzma_end() to free the allocated memory. lzma_end() never
* frees the lzma_stream structure itself.
*
* Application may modify the values of total_in and total_out as it wants.
* They are updated by liblzma to match the amount of data read and
* written but aren't used for anything else except as a possible return
* values from lzma_get_progress().
*/
typedef struct {
const uint8_t *next_in; /**< Pointer to the next input byte. */
size_t avail_in; /**< Number of available input bytes in next_in. */
uint64_t total_in; /**< Total number of bytes read by liblzma. */
uint8_t *next_out; /**< Pointer to the next output position. */
size_t avail_out; /**< Amount of free space in next_out. */
uint64_t total_out; /**< Total number of bytes written by liblzma. */
/**
* \brief Custom memory allocation functions
*
* In most cases this is NULL which makes liblzma use
* the standard malloc() and free().
*
* \note In 5.0.x this is not a const pointer.
*/
const lzma_allocator *allocator;
/** Internal state is not visible to applications. */
lzma_internal *internal;
/*
* Reserved space to allow possible future extensions without
* breaking the ABI. Excluding the initialization of this structure,
* you should not touch these, because the names of these variables
* may change.
*/
void *reserved_ptr1;
void *reserved_ptr2;
void *reserved_ptr3;
void *reserved_ptr4;
uint64_t reserved_int1;
uint64_t reserved_int2;
size_t reserved_int3;
size_t reserved_int4;
lzma_reserved_enum reserved_enum1;
lzma_reserved_enum reserved_enum2;
} lzma_stream;
/**
* \brief Initialization for lzma_stream
*
* When you declare an instance of lzma_stream, you can immediately
* initialize it so that initialization functions know that no memory
* has been allocated yet:
*
* lzma_stream strm = LZMA_STREAM_INIT;
*
* If you need to initialize a dynamically allocated lzma_stream, you can use
* memset(strm_pointer, 0, sizeof(lzma_stream)). Strictly speaking, this
* violates the C standard since NULL may have different internal
* representation than zero, but it should be portable enough in practice.
* Anyway, for maximum portability, you can use something like this:
*
* lzma_stream tmp = LZMA_STREAM_INIT;
* *strm = tmp;
*/
#define LZMA_STREAM_INIT \
{ NULL, 0, 0, NULL, 0, 0, NULL, NULL, \
NULL, NULL, NULL, NULL, 0, 0, 0, 0, \
LZMA_RESERVED_ENUM, LZMA_RESERVED_ENUM }
/**
* \brief Encode or decode data
*
* Once the lzma_stream has been successfully initialized (e.g. with
* lzma_stream_encoder()), the actual encoding or decoding is done
* using this function. The application has to update strm->next_in,
* strm->avail_in, strm->next_out, and strm->avail_out to pass input
* to and get output from liblzma.
*
* See the description of the coder-specific initialization function to find
* out what `action' values are supported by the coder.
*/
extern LZMA_API(lzma_ret) lzma_code(lzma_stream *strm, lzma_action action)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Free memory allocated for the coder data structures
*
* \param strm Pointer to lzma_stream that is at least initialized
* with LZMA_STREAM_INIT.
*
* After lzma_end(strm), strm->internal is guaranteed to be NULL. No other
* members of the lzma_stream structure are touched.
*
* \note zlib indicates an error if application end()s unfinished
* stream structure. liblzma doesn't do this, and assumes that
* application knows what it is doing.
*/
extern LZMA_API(void) lzma_end(lzma_stream *strm) lzma_nothrow;
/**
* \brief Get progress information
*
* In single-threaded mode, applications can get progress information from
* strm->total_in and strm->total_out. In multi-threaded mode this is less
* useful because a significant amount of both input and output data gets
* buffered internally by liblzma. This makes total_in and total_out give
* misleading information and also makes the progress indicator updates
* non-smooth.
*
* This function gives realistic progress information also in multi-threaded
* mode by taking into account the progress made by each thread. In
* single-threaded mode *progress_in and *progress_out are set to
* strm->total_in and strm->total_out, respectively.
*/
extern LZMA_API(void) lzma_get_progress(lzma_stream *strm,
uint64_t *progress_in, uint64_t *progress_out) lzma_nothrow;
/**
* \brief Get the memory usage of decoder filter chain
*
* This function is currently supported only when *strm has been initialized
* with a function that takes a memlimit argument. With other functions, you
* should use e.g. lzma_raw_encoder_memusage() or lzma_raw_decoder_memusage()
* to estimate the memory requirements.
*
* This function is useful e.g. after LZMA_MEMLIMIT_ERROR to find out how big
* the memory usage limit should have been to decode the input. Note that
* this may give misleading information if decoding .xz Streams that have
* multiple Blocks, because each Block can have different memory requirements.
*
* \return How much memory is currently allocated for the filter
* decoders. If no filter chain is currently allocated,
* some non-zero value is still returned, which is less than
* or equal to what any filter chain would indicate as its
* memory requirement.
*
* If this function isn't supported by *strm or some other error
* occurs, zero is returned.
*/
extern LZMA_API(uint64_t) lzma_memusage(const lzma_stream *strm)
lzma_nothrow lzma_attr_pure;
/**
* \brief Get the current memory usage limit
*
* This function is supported only when *strm has been initialized with
* a function that takes a memlimit argument.
*
* \return On success, the current memory usage limit is returned
* (always non-zero). On error, zero is returned.
*/
extern LZMA_API(uint64_t) lzma_memlimit_get(const lzma_stream *strm)
lzma_nothrow lzma_attr_pure;
/**
* \brief Set the memory usage limit
*
* This function is supported only when *strm has been initialized with
* a function that takes a memlimit argument.
*
* liblzma 5.2.3 and earlier has a bug where memlimit value of 0 causes
* this function to do nothing (leaving the limit unchanged) and still
* return LZMA_OK. Later versions treat 0 as if 1 had been specified (so
* lzma_memlimit_get() will return 1 even if you specify 0 here).
*
* \return - LZMA_OK: New memory usage limit successfully set.
* - LZMA_MEMLIMIT_ERROR: The new limit is too small.
* The limit was not changed.
* - LZMA_PROG_ERROR: Invalid arguments, e.g. *strm doesn't
* support memory usage limit.
*/
extern LZMA_API(lzma_ret) lzma_memlimit_set(
lzma_stream *strm, uint64_t memlimit) lzma_nothrow;

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/**
* \file lzma/bcj.h
* \brief Branch/Call/Jump conversion filters
*/
/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/
#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif
/* Filter IDs for lzma_filter.id */
#define LZMA_FILTER_X86 LZMA_VLI_C(0x04)
/**<
* Filter for x86 binaries
*/
#define LZMA_FILTER_POWERPC LZMA_VLI_C(0x05)
/**<
* Filter for Big endian PowerPC binaries
*/
#define LZMA_FILTER_IA64 LZMA_VLI_C(0x06)
/**<
* Filter for IA-64 (Itanium) binaries.
*/
#define LZMA_FILTER_ARM LZMA_VLI_C(0x07)
/**<
* Filter for ARM binaries.
*/
#define LZMA_FILTER_ARMTHUMB LZMA_VLI_C(0x08)
/**<
* Filter for ARM-Thumb binaries.
*/
#define LZMA_FILTER_SPARC LZMA_VLI_C(0x09)
/**<
* Filter for SPARC binaries.
*/
/**
* \brief Options for BCJ filters
*
* The BCJ filters never change the size of the data. Specifying options
* for them is optional: if pointer to options is NULL, default value is
* used. You probably never need to specify options to BCJ filters, so just
* set the options pointer to NULL and be happy.
*
* If options with non-default values have been specified when encoding,
* the same options must also be specified when decoding.
*
* \note At the moment, none of the BCJ filters support
* LZMA_SYNC_FLUSH. If LZMA_SYNC_FLUSH is specified,
* LZMA_OPTIONS_ERROR will be returned. If there is need,
* partial support for LZMA_SYNC_FLUSH can be added in future.
* Partial means that flushing would be possible only at
* offsets that are multiple of 2, 4, or 16 depending on
* the filter, except x86 which cannot be made to support
* LZMA_SYNC_FLUSH predictably.
*/
typedef struct {
/**
* \brief Start offset for conversions
*
* This setting is useful only when the same filter is used
* _separately_ for multiple sections of the same executable file,
* and the sections contain cross-section branch/call/jump
* instructions. In that case it is beneficial to set the start
* offset of the non-first sections so that the relative addresses
* of the cross-section branch/call/jump instructions will use the
* same absolute addresses as in the first section.
*
* When the pointer to options is NULL, the default value (zero)
* is used.
*/
uint32_t start_offset;
} lzma_options_bcj;

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/**
* \file lzma/block.h
* \brief .xz Block handling
*/
/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/
#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif
/**
* \brief Options for the Block and Block Header encoders and decoders
*
* Different Block handling functions use different parts of this structure.
* Some read some members, other functions write, and some do both. Only the
* members listed for reading need to be initialized when the specified
* functions are called. The members marked for writing will be assigned
* new values at some point either by calling the given function or by
* later calls to lzma_code().
*/
typedef struct {
/**
* \brief Block format version
*
* To prevent API and ABI breakages when new features are needed,
* a version number is used to indicate which fields in this
* structure are in use:
* - liblzma >= 5.0.0: version = 0 is supported.
* - liblzma >= 5.1.4beta: Support for version = 1 was added,
* which adds the ignore_check field.
*
* If version is greater than one, most Block related functions
* will return LZMA_OPTIONS_ERROR (lzma_block_header_decode() works
* with any version value).
*
* Read by:
* - All functions that take pointer to lzma_block as argument,
* including lzma_block_header_decode().
*
* Written by:
* - lzma_block_header_decode()
*/
uint32_t version;
/**
* \brief Size of the Block Header field
*
* This is always a multiple of four.
*
* Read by:
* - lzma_block_header_encode()
* - lzma_block_header_decode()
* - lzma_block_compressed_size()
* - lzma_block_unpadded_size()
* - lzma_block_total_size()
* - lzma_block_decoder()
* - lzma_block_buffer_decode()
*
* Written by:
* - lzma_block_header_size()
* - lzma_block_buffer_encode()
*/
uint32_t header_size;
# define LZMA_BLOCK_HEADER_SIZE_MIN 8
# define LZMA_BLOCK_HEADER_SIZE_MAX 1024
/**
* \brief Type of integrity Check
*
* The Check ID is not stored into the Block Header, thus its value
* must be provided also when decoding.
*
* Read by:
* - lzma_block_header_encode()
* - lzma_block_header_decode()
* - lzma_block_compressed_size()
* - lzma_block_unpadded_size()
* - lzma_block_total_size()
* - lzma_block_encoder()
* - lzma_block_decoder()
* - lzma_block_buffer_encode()
* - lzma_block_buffer_decode()
*/
lzma_check check;
/**
* \brief Size of the Compressed Data in bytes
*
* Encoding: If this is not LZMA_VLI_UNKNOWN, Block Header encoder
* will store this value to the Block Header. Block encoder doesn't
* care about this value, but will set it once the encoding has been
* finished.
*
* Decoding: If this is not LZMA_VLI_UNKNOWN, Block decoder will
* verify that the size of the Compressed Data field matches
* compressed_size.
*
* Usually you don't know this value when encoding in streamed mode,
* and thus cannot write this field into the Block Header.
*
* In non-streamed mode you can reserve space for this field before
* encoding the actual Block. After encoding the data, finish the
* Block by encoding the Block Header. Steps in detail:
*
* - Set compressed_size to some big enough value. If you don't know
* better, use LZMA_VLI_MAX, but remember that bigger values take
* more space in Block Header.
*
* - Call lzma_block_header_size() to see how much space you need to
* reserve for the Block Header.
*
* - Encode the Block using lzma_block_encoder() and lzma_code().
* It sets compressed_size to the correct value.
*
* - Use lzma_block_header_encode() to encode the Block Header.
* Because space was reserved in the first step, you don't need
* to call lzma_block_header_size() anymore, because due to
* reserving, header_size has to be big enough. If it is "too big",
* lzma_block_header_encode() will add enough Header Padding to
* make Block Header to match the size specified by header_size.
*
* Read by:
* - lzma_block_header_size()
* - lzma_block_header_encode()
* - lzma_block_compressed_size()
* - lzma_block_unpadded_size()
* - lzma_block_total_size()
* - lzma_block_decoder()
* - lzma_block_buffer_decode()
*
* Written by:
* - lzma_block_header_decode()
* - lzma_block_compressed_size()
* - lzma_block_encoder()
* - lzma_block_decoder()
* - lzma_block_buffer_encode()
* - lzma_block_buffer_decode()
*/
lzma_vli compressed_size;
/**
* \brief Uncompressed Size in bytes
*
* This is handled very similarly to compressed_size above.
*
* uncompressed_size is needed by fewer functions than
* compressed_size. This is because uncompressed_size isn't
* needed to validate that Block stays within proper limits.
*
* Read by:
* - lzma_block_header_size()
* - lzma_block_header_encode()
* - lzma_block_decoder()
* - lzma_block_buffer_decode()
*
* Written by:
* - lzma_block_header_decode()
* - lzma_block_encoder()
* - lzma_block_decoder()
* - lzma_block_buffer_encode()
* - lzma_block_buffer_decode()
*/
lzma_vli uncompressed_size;
/**
* \brief Array of filters
*
* There can be 1-4 filters. The end of the array is marked with
* .id = LZMA_VLI_UNKNOWN.
*
* Read by:
* - lzma_block_header_size()
* - lzma_block_header_encode()
* - lzma_block_encoder()
* - lzma_block_decoder()
* - lzma_block_buffer_encode()
* - lzma_block_buffer_decode()
*
* Written by:
* - lzma_block_header_decode(): Note that this does NOT free()
* the old filter options structures. All unused filters[] will
* have .id == LZMA_VLI_UNKNOWN and .options == NULL. If
* decoding fails, all filters[] are guaranteed to be
* LZMA_VLI_UNKNOWN and NULL.
*
* \note Because of the array is terminated with
* .id = LZMA_VLI_UNKNOWN, the actual array must
* have LZMA_FILTERS_MAX + 1 members or the Block
* Header decoder will overflow the buffer.
*/
lzma_filter *filters;
/**
* \brief Raw value stored in the Check field
*
* After successful coding, the first lzma_check_size(check) bytes
* of this array contain the raw value stored in the Check field.
*
* Note that CRC32 and CRC64 are stored in little endian byte order.
* Take it into account if you display the Check values to the user.
*
* Written by:
* - lzma_block_encoder()
* - lzma_block_decoder()
* - lzma_block_buffer_encode()
* - lzma_block_buffer_decode()
*/
uint8_t raw_check[LZMA_CHECK_SIZE_MAX];
/*
* Reserved space to allow possible future extensions without
* breaking the ABI. You should not touch these, because the names
* of these variables may change. These are and will never be used
* with the currently supported options, so it is safe to leave these
* uninitialized.
*/
void *reserved_ptr1;
void *reserved_ptr2;
void *reserved_ptr3;
uint32_t reserved_int1;
uint32_t reserved_int2;
lzma_vli reserved_int3;
lzma_vli reserved_int4;
lzma_vli reserved_int5;
lzma_vli reserved_int6;
lzma_vli reserved_int7;
lzma_vli reserved_int8;
lzma_reserved_enum reserved_enum1;
lzma_reserved_enum reserved_enum2;
lzma_reserved_enum reserved_enum3;
lzma_reserved_enum reserved_enum4;
/**
* \brief A flag to Block decoder to not verify the Check field
*
* This field is supported by liblzma >= 5.1.4beta if .version >= 1.
*
* If this is set to true, the integrity check won't be calculated
* and verified. Unless you know what you are doing, you should
* leave this to false. (A reason to set this to true is when the
* file integrity is verified externally anyway and you want to
* speed up the decompression, which matters mostly when using
* SHA-256 as the integrity check.)
*
* If .version >= 1, read by:
* - lzma_block_decoder()
* - lzma_block_buffer_decode()
*
* Written by (.version is ignored):
* - lzma_block_header_decode() always sets this to false
*/
lzma_bool ignore_check;
lzma_bool reserved_bool2;
lzma_bool reserved_bool3;
lzma_bool reserved_bool4;
lzma_bool reserved_bool5;
lzma_bool reserved_bool6;
lzma_bool reserved_bool7;
lzma_bool reserved_bool8;
} lzma_block;
/**
* \brief Decode the Block Header Size field
*
* To decode Block Header using lzma_block_header_decode(), the size of the
* Block Header has to be known and stored into lzma_block.header_size.
* The size can be calculated from the first byte of a Block using this macro.
* Note that if the first byte is 0x00, it indicates beginning of Index; use
* this macro only when the byte is not 0x00.
*
* There is no encoding macro, because Block Header encoder is enough for that.
*/
#define lzma_block_header_size_decode(b) (((uint32_t)(b) + 1) * 4)
/**
* \brief Calculate Block Header Size
*
* Calculate the minimum size needed for the Block Header field using the
* settings specified in the lzma_block structure. Note that it is OK to
* increase the calculated header_size value as long as it is a multiple of
* four and doesn't exceed LZMA_BLOCK_HEADER_SIZE_MAX. Increasing header_size
* just means that lzma_block_header_encode() will add Header Padding.
*
* \return - LZMA_OK: Size calculated successfully and stored to
* block->header_size.
* - LZMA_OPTIONS_ERROR: Unsupported version, filters or
* filter options.
* - LZMA_PROG_ERROR: Invalid values like compressed_size == 0.
*
* \note This doesn't check that all the options are valid i.e. this
* may return LZMA_OK even if lzma_block_header_encode() or
* lzma_block_encoder() would fail. If you want to validate the
* filter chain, consider using lzma_memlimit_encoder() which as
* a side-effect validates the filter chain.
*/
extern LZMA_API(lzma_ret) lzma_block_header_size(lzma_block *block)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Encode Block Header
*
* The caller must have calculated the size of the Block Header already with
* lzma_block_header_size(). If a value larger than the one calculated by
* lzma_block_header_size() is used, the Block Header will be padded to the
* specified size.
*
* \param out Beginning of the output buffer. This must be
* at least block->header_size bytes.
* \param block Block options to be encoded.
*
* \return - LZMA_OK: Encoding was successful. block->header_size
* bytes were written to output buffer.
* - LZMA_OPTIONS_ERROR: Invalid or unsupported options.
* - LZMA_PROG_ERROR: Invalid arguments, for example
* block->header_size is invalid or block->filters is NULL.
*/
extern LZMA_API(lzma_ret) lzma_block_header_encode(
const lzma_block *block, uint8_t *out)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Decode Block Header
*
* block->version should (usually) be set to the highest value supported
* by the application. If the application sets block->version to a value
* higher than supported by the current liblzma version, this function will
* downgrade block->version to the highest value supported by it. Thus one
* should check the value of block->version after calling this function if
* block->version was set to a non-zero value and the application doesn't
* otherwise know that the liblzma version being used is new enough to
* support the specified block->version.
*
* The size of the Block Header must have already been decoded with
* lzma_block_header_size_decode() macro and stored to block->header_size.
*
* The integrity check type from Stream Header must have been stored
* to block->check.
*
* block->filters must have been allocated, but they don't need to be
* initialized (possible existing filter options are not freed).
*
* \param block Destination for Block options.
* \param allocator lzma_allocator for custom allocator functions.
* Set to NULL to use malloc() (and also free()
* if an error occurs).
* \param in Beginning of the input buffer. This must be
* at least block->header_size bytes.
*
* \return - LZMA_OK: Decoding was successful. block->header_size
* bytes were read from the input buffer.
* - LZMA_OPTIONS_ERROR: The Block Header specifies some
* unsupported options such as unsupported filters. This can
* happen also if block->version was set to a too low value
* compared to what would be required to properly represent
* the information stored in the Block Header.
* - LZMA_DATA_ERROR: Block Header is corrupt, for example,
* the CRC32 doesn't match.
* - LZMA_PROG_ERROR: Invalid arguments, for example
* block->header_size is invalid or block->filters is NULL.
*/
extern LZMA_API(lzma_ret) lzma_block_header_decode(lzma_block *block,
const lzma_allocator *allocator, const uint8_t *in)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Validate and set Compressed Size according to Unpadded Size
*
* Block Header stores Compressed Size, but Index has Unpadded Size. If the
* application has already parsed the Index and is now decoding Blocks,
* it can calculate Compressed Size from Unpadded Size. This function does
* exactly that with error checking:
*
* - Compressed Size calculated from Unpadded Size must be positive integer,
* that is, Unpadded Size must be big enough that after Block Header and
* Check fields there's still at least one byte for Compressed Size.
*
* - If Compressed Size was present in Block Header, the new value
* calculated from Unpadded Size is compared against the value
* from Block Header.
*
* \note This function must be called _after_ decoding the Block Header
* field so that it can properly validate Compressed Size if it
* was present in Block Header.
*
* \return - LZMA_OK: block->compressed_size was set successfully.
* - LZMA_DATA_ERROR: unpadded_size is too small compared to
* block->header_size and lzma_check_size(block->check).
* - LZMA_PROG_ERROR: Some values are invalid. For example,
* block->header_size must be a multiple of four and
* between 8 and 1024 inclusive.
*/
extern LZMA_API(lzma_ret) lzma_block_compressed_size(
lzma_block *block, lzma_vli unpadded_size)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Calculate Unpadded Size
*
* The Index field stores Unpadded Size and Uncompressed Size. The latter
* can be taken directly from the lzma_block structure after coding a Block,
* but Unpadded Size needs to be calculated from Block Header Size,
* Compressed Size, and size of the Check field. This is where this function
* is needed.
*
* \return Unpadded Size on success, or zero on error.
*/
extern LZMA_API(lzma_vli) lzma_block_unpadded_size(const lzma_block *block)
lzma_nothrow lzma_attr_pure;
/**
* \brief Calculate the total encoded size of a Block
*
* This is equivalent to lzma_block_unpadded_size() except that the returned
* value includes the size of the Block Padding field.
*
* \return On success, total encoded size of the Block. On error,
* zero is returned.
*/
extern LZMA_API(lzma_vli) lzma_block_total_size(const lzma_block *block)
lzma_nothrow lzma_attr_pure;
/**
* \brief Initialize .xz Block encoder
*
* Valid actions for lzma_code() are LZMA_RUN, LZMA_SYNC_FLUSH (only if the
* filter chain supports it), and LZMA_FINISH.
*
* \return - LZMA_OK: All good, continue with lzma_code().
* - LZMA_MEM_ERROR
* - LZMA_OPTIONS_ERROR
* - LZMA_UNSUPPORTED_CHECK: block->check specifies a Check ID
* that is not supported by this buid of liblzma. Initializing
* the encoder failed.
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_block_encoder(
lzma_stream *strm, lzma_block *block)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Initialize .xz Block decoder
*
* Valid actions for lzma_code() are LZMA_RUN and LZMA_FINISH. Using
* LZMA_FINISH is not required. It is supported only for convenience.
*
* \return - LZMA_OK: All good, continue with lzma_code().
* - LZMA_UNSUPPORTED_CHECK: Initialization was successful, but
* the given Check ID is not supported, thus Check will be
* ignored.
* - LZMA_PROG_ERROR
* - LZMA_MEM_ERROR
*/
extern LZMA_API(lzma_ret) lzma_block_decoder(
lzma_stream *strm, lzma_block *block)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Calculate maximum output size for single-call Block encoding
*
* This is equivalent to lzma_stream_buffer_bound() but for .xz Blocks.
* See the documentation of lzma_stream_buffer_bound().
*/
extern LZMA_API(size_t) lzma_block_buffer_bound(size_t uncompressed_size)
lzma_nothrow;
/**
* \brief Single-call .xz Block encoder
*
* In contrast to the multi-call encoder initialized with
* lzma_block_encoder(), this function encodes also the Block Header. This
* is required to make it possible to write appropriate Block Header also
* in case the data isn't compressible, and different filter chain has to be
* used to encode the data in uncompressed form using uncompressed chunks
* of the LZMA2 filter.
*
* When the data isn't compressible, header_size, compressed_size, and
* uncompressed_size are set just like when the data was compressible, but
* it is possible that header_size is too small to hold the filter chain
* specified in block->filters, because that isn't necessarily the filter
* chain that was actually used to encode the data. lzma_block_unpadded_size()
* still works normally, because it doesn't read the filters array.
*
* \param block Block options: block->version, block->check,
* and block->filters must have been initialized.
* \param allocator lzma_allocator for custom allocator functions.
* Set to NULL to use malloc() and free().
* \param in Beginning of the input buffer
* \param in_size Size of the input buffer
* \param out Beginning of the output buffer
* \param out_pos The next byte will be written to out[*out_pos].
* *out_pos is updated only if encoding succeeds.
* \param out_size Size of the out buffer; the first byte into
* which no data is written to is out[out_size].
*
* \return - LZMA_OK: Encoding was successful.
* - LZMA_BUF_ERROR: Not enough output buffer space.
* - LZMA_UNSUPPORTED_CHECK
* - LZMA_OPTIONS_ERROR
* - LZMA_MEM_ERROR
* - LZMA_DATA_ERROR
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_block_buffer_encode(
lzma_block *block, const lzma_allocator *allocator,
const uint8_t *in, size_t in_size,
uint8_t *out, size_t *out_pos, size_t out_size)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Single-call uncompressed .xz Block encoder
*
* This is like lzma_block_buffer_encode() except this doesn't try to
* compress the data and instead encodes the data using LZMA2 uncompressed
* chunks. The required output buffer size can be determined with
* lzma_block_buffer_bound().
*
* Since the data won't be compressed, this function ignores block->filters.
* This function doesn't take lzma_allocator because this function doesn't
* allocate any memory from the heap.
*/
extern LZMA_API(lzma_ret) lzma_block_uncomp_encode(lzma_block *block,
const uint8_t *in, size_t in_size,
uint8_t *out, size_t *out_pos, size_t out_size)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Single-call .xz Block decoder
*
* This is single-call equivalent of lzma_block_decoder(), and requires that
* the caller has already decoded Block Header and checked its memory usage.
*
* \param block Block options just like with lzma_block_decoder().
* \param allocator lzma_allocator for custom allocator functions.
* Set to NULL to use malloc() and free().
* \param in Beginning of the input buffer
* \param in_pos The next byte will be read from in[*in_pos].
* *in_pos is updated only if decoding succeeds.
* \param in_size Size of the input buffer; the first byte that
* won't be read is in[in_size].
* \param out Beginning of the output buffer
* \param out_pos The next byte will be written to out[*out_pos].
* *out_pos is updated only if encoding succeeds.
* \param out_size Size of the out buffer; the first byte into
* which no data is written to is out[out_size].
*
* \return - LZMA_OK: Decoding was successful.
* - LZMA_OPTIONS_ERROR
* - LZMA_DATA_ERROR
* - LZMA_MEM_ERROR
* - LZMA_BUF_ERROR: Output buffer was too small.
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_block_buffer_decode(
lzma_block *block, const lzma_allocator *allocator,
const uint8_t *in, size_t *in_pos, size_t in_size,
uint8_t *out, size_t *out_pos, size_t out_size)
lzma_nothrow;

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/**
* \file lzma/check.h
* \brief Integrity checks
*/
/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/
#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif
/**
* \brief Type of the integrity check (Check ID)
*
* The .xz format supports multiple types of checks that are calculated
* from the uncompressed data. They vary in both speed and ability to
* detect errors.
*/
typedef enum {
LZMA_CHECK_NONE = 0,
/**<
* No Check is calculated.
*
* Size of the Check field: 0 bytes
*/
LZMA_CHECK_CRC32 = 1,
/**<
* CRC32 using the polynomial from the IEEE 802.3 standard
*
* Size of the Check field: 4 bytes
*/
LZMA_CHECK_CRC64 = 4,
/**<
* CRC64 using the polynomial from the ECMA-182 standard
*
* Size of the Check field: 8 bytes
*/
LZMA_CHECK_SHA256 = 10
/**<
* SHA-256
*
* Size of the Check field: 32 bytes
*/
} lzma_check;
/**
* \brief Maximum valid Check ID
*
* The .xz file format specification specifies 16 Check IDs (0-15). Some
* of them are only reserved, that is, no actual Check algorithm has been
* assigned. When decoding, liblzma still accepts unknown Check IDs for
* future compatibility. If a valid but unsupported Check ID is detected,
* liblzma can indicate a warning; see the flags LZMA_TELL_NO_CHECK,
* LZMA_TELL_UNSUPPORTED_CHECK, and LZMA_TELL_ANY_CHECK in container.h.
*/
#define LZMA_CHECK_ID_MAX 15
/**
* \brief Test if the given Check ID is supported
*
* Return true if the given Check ID is supported by this liblzma build.
* Otherwise false is returned. It is safe to call this with a value that
* is not in the range [0, 15]; in that case the return value is always false.
*
* You can assume that LZMA_CHECK_NONE and LZMA_CHECK_CRC32 are always
* supported (even if liblzma is built with limited features).
*/
extern LZMA_API(lzma_bool) lzma_check_is_supported(lzma_check check)
lzma_nothrow lzma_attr_const;
/**
* \brief Get the size of the Check field with the given Check ID
*
* Although not all Check IDs have a check algorithm associated, the size of
* every Check is already frozen. This function returns the size (in bytes) of
* the Check field with the specified Check ID. The values are:
* { 0, 4, 4, 4, 8, 8, 8, 16, 16, 16, 32, 32, 32, 64, 64, 64 }
*
* If the argument is not in the range [0, 15], UINT32_MAX is returned.
*/
extern LZMA_API(uint32_t) lzma_check_size(lzma_check check)
lzma_nothrow lzma_attr_const;
/**
* \brief Maximum size of a Check field
*/
#define LZMA_CHECK_SIZE_MAX 64
/**
* \brief Calculate CRC32
*
* Calculate CRC32 using the polynomial from the IEEE 802.3 standard.
*
* \param buf Pointer to the input buffer
* \param size Size of the input buffer
* \param crc Previously returned CRC value. This is used to
* calculate the CRC of a big buffer in smaller chunks.
* Set to zero when starting a new calculation.
*
* \return Updated CRC value, which can be passed to this function
* again to continue CRC calculation.
*/
extern LZMA_API(uint32_t) lzma_crc32(
const uint8_t *buf, size_t size, uint32_t crc)
lzma_nothrow lzma_attr_pure;
/**
* \brief Calculate CRC64
*
* Calculate CRC64 using the polynomial from the ECMA-182 standard.
*
* This function is used similarly to lzma_crc32(). See its documentation.
*/
extern LZMA_API(uint64_t) lzma_crc64(
const uint8_t *buf, size_t size, uint64_t crc)
lzma_nothrow lzma_attr_pure;
/*
* SHA-256 functions are currently not exported to public API.
* Contact Lasse Collin if you think it should be.
*/
/**
* \brief Get the type of the integrity check
*
* This function can be called only immediately after lzma_code() has
* returned LZMA_NO_CHECK, LZMA_UNSUPPORTED_CHECK, or LZMA_GET_CHECK.
* Calling this function in any other situation has undefined behavior.
*/
extern LZMA_API(lzma_check) lzma_get_check(const lzma_stream *strm)
lzma_nothrow;

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/**
* \file lzma/container.h
* \brief File formats
*/
/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/
#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif
/************
* Encoding *
************/
/**
* \brief Default compression preset
*
* It's not straightforward to recommend a default preset, because in some
* cases keeping the resource usage relatively low is more important that
* getting the maximum compression ratio.
*/
#define LZMA_PRESET_DEFAULT UINT32_C(6)
/**
* \brief Mask for preset level
*
* This is useful only if you need to extract the level from the preset
* variable. That should be rare.
*/
#define LZMA_PRESET_LEVEL_MASK UINT32_C(0x1F)
/*
* Preset flags
*
* Currently only one flag is defined.
*/
/**
* \brief Extreme compression preset
*
* This flag modifies the preset to make the encoding significantly slower
* while improving the compression ratio only marginally. This is useful
* when you don't mind wasting time to get as small result as possible.
*
* This flag doesn't affect the memory usage requirements of the decoder (at
* least not significantly). The memory usage of the encoder may be increased
* a little but only at the lowest preset levels (0-3).
*/
#define LZMA_PRESET_EXTREME (UINT32_C(1) << 31)
/**
* \brief Multithreading options
*/
typedef struct {
/**
* \brief Flags
*
* Set this to zero if no flags are wanted.
*
* No flags are currently supported.
*/
uint32_t flags;
/**
* \brief Number of worker threads to use
*/
uint32_t threads;
/**
* \brief Maximum uncompressed size of a Block
*
* The encoder will start a new .xz Block every block_size bytes.
* Using LZMA_FULL_FLUSH or LZMA_FULL_BARRIER with lzma_code()
* the caller may tell liblzma to start a new Block earlier.
*
* With LZMA2, a recommended block size is 2-4 times the LZMA2
* dictionary size. With very small dictionaries, it is recommended
* to use at least 1 MiB block size for good compression ratio, even
* if this is more than four times the dictionary size. Note that
* these are only recommendations for typical use cases; feel free
* to use other values. Just keep in mind that using a block size
* less than the LZMA2 dictionary size is waste of RAM.
*
* Set this to 0 to let liblzma choose the block size depending
* on the compression options. For LZMA2 it will be 3*dict_size
* or 1 MiB, whichever is more.
*
* For each thread, about 3 * block_size bytes of memory will be
* allocated. This may change in later liblzma versions. If so,
* the memory usage will probably be reduced, not increased.
*/
uint64_t block_size;
/**
* \brief Timeout to allow lzma_code() to return early
*
* Multithreading can make liblzma to consume input and produce
* output in a very bursty way: it may first read a lot of input
* to fill internal buffers, then no input or output occurs for
* a while.
*
* In single-threaded mode, lzma_code() won't return until it has
* either consumed all the input or filled the output buffer. If
* this is done in multithreaded mode, it may cause a call
* lzma_code() to take even tens of seconds, which isn't acceptable
* in all applications.
*
* To avoid very long blocking times in lzma_code(), a timeout
* (in milliseconds) may be set here. If lzma_code() would block
* longer than this number of milliseconds, it will return with
* LZMA_OK. Reasonable values are 100 ms or more. The xz command
* line tool uses 300 ms.
*
* If long blocking times are fine for you, set timeout to a special
* value of 0, which will disable the timeout mechanism and will make
* lzma_code() block until all the input is consumed or the output
* buffer has been filled.
*
* \note Even with a timeout, lzma_code() might sometimes take
* somewhat long time to return. No timing guarantees
* are made.
*/
uint32_t timeout;
/**
* \brief Compression preset (level and possible flags)
*
* The preset is set just like with lzma_easy_encoder().
* The preset is ignored if filters below is non-NULL.
*/
uint32_t preset;
/**
* \brief Filter chain (alternative to a preset)
*
* If this is NULL, the preset above is used. Otherwise the preset
* is ignored and the filter chain specified here is used.
*/
const lzma_filter *filters;
/**
* \brief Integrity check type
*
* See check.h for available checks. The xz command line tool
* defaults to LZMA_CHECK_CRC64, which is a good choice if you
* are unsure.
*/
lzma_check check;
/*
* Reserved space to allow possible future extensions without
* breaking the ABI. You should not touch these, because the names
* of these variables may change. These are and will never be used
* with the currently supported options, so it is safe to leave these
* uninitialized.
*/
lzma_reserved_enum reserved_enum1;
lzma_reserved_enum reserved_enum2;
lzma_reserved_enum reserved_enum3;
uint32_t reserved_int1;
uint32_t reserved_int2;
uint32_t reserved_int3;
uint32_t reserved_int4;
uint64_t reserved_int5;
uint64_t reserved_int6;
uint64_t reserved_int7;
uint64_t reserved_int8;
void *reserved_ptr1;
void *reserved_ptr2;
void *reserved_ptr3;
void *reserved_ptr4;
} lzma_mt;
/**
* \brief Calculate approximate memory usage of easy encoder
*
* This function is a wrapper for lzma_raw_encoder_memusage().
*
* \param preset Compression preset (level and possible flags)
*
* \return Number of bytes of memory required for the given
* preset when encoding. If an error occurs, for example
* due to unsupported preset, UINT64_MAX is returned.
*/
extern LZMA_API(uint64_t) lzma_easy_encoder_memusage(uint32_t preset)
lzma_nothrow lzma_attr_pure;
/**
* \brief Calculate approximate decoder memory usage of a preset
*
* This function is a wrapper for lzma_raw_decoder_memusage().
*
* \param preset Compression preset (level and possible flags)
*
* \return Number of bytes of memory required to decompress a file
* that was compressed using the given preset. If an error
* occurs, for example due to unsupported preset, UINT64_MAX
* is returned.
*/
extern LZMA_API(uint64_t) lzma_easy_decoder_memusage(uint32_t preset)
lzma_nothrow lzma_attr_pure;
/**
* \brief Initialize .xz Stream encoder using a preset number
*
* This function is intended for those who just want to use the basic features
* if liblzma (that is, most developers out there).
*
* \param strm Pointer to lzma_stream that is at least initialized
* with LZMA_STREAM_INIT.
* \param preset Compression preset to use. A preset consist of level
* number and zero or more flags. Usually flags aren't
* used, so preset is simply a number [0, 9] which match
* the options -0 ... -9 of the xz command line tool.
* Additional flags can be be set using bitwise-or with
* the preset level number, e.g. 6 | LZMA_PRESET_EXTREME.
* \param check Integrity check type to use. See check.h for available
* checks. The xz command line tool defaults to
* LZMA_CHECK_CRC64, which is a good choice if you are
* unsure. LZMA_CHECK_CRC32 is good too as long as the
* uncompressed file is not many gigabytes.
*
* \return - LZMA_OK: Initialization succeeded. Use lzma_code() to
* encode your data.
* - LZMA_MEM_ERROR: Memory allocation failed.
* - LZMA_OPTIONS_ERROR: The given compression preset is not
* supported by this build of liblzma.
* - LZMA_UNSUPPORTED_CHECK: The given check type is not
* supported by this liblzma build.
* - LZMA_PROG_ERROR: One or more of the parameters have values
* that will never be valid. For example, strm == NULL.
*
* If initialization fails (return value is not LZMA_OK), all the memory
* allocated for *strm by liblzma is always freed. Thus, there is no need
* to call lzma_end() after failed initialization.
*
* If initialization succeeds, use lzma_code() to do the actual encoding.
* Valid values for `action' (the second argument of lzma_code()) are
* LZMA_RUN, LZMA_SYNC_FLUSH, LZMA_FULL_FLUSH, and LZMA_FINISH. In future,
* there may be compression levels or flags that don't support LZMA_SYNC_FLUSH.
*/
extern LZMA_API(lzma_ret) lzma_easy_encoder(
lzma_stream *strm, uint32_t preset, lzma_check check)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Single-call .xz Stream encoding using a preset number
*
* The maximum required output buffer size can be calculated with
* lzma_stream_buffer_bound().
*
* \param preset Compression preset to use. See the description
* in lzma_easy_encoder().
* \param check Type of the integrity check to calculate from
* uncompressed data.
* \param allocator lzma_allocator for custom allocator functions.
* Set to NULL to use malloc() and free().
* \param in Beginning of the input buffer
* \param in_size Size of the input buffer
* \param out Beginning of the output buffer
* \param out_pos The next byte will be written to out[*out_pos].
* *out_pos is updated only if encoding succeeds.
* \param out_size Size of the out buffer; the first byte into
* which no data is written to is out[out_size].
*
* \return - LZMA_OK: Encoding was successful.
* - LZMA_BUF_ERROR: Not enough output buffer space.
* - LZMA_UNSUPPORTED_CHECK
* - LZMA_OPTIONS_ERROR
* - LZMA_MEM_ERROR
* - LZMA_DATA_ERROR
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_easy_buffer_encode(
uint32_t preset, lzma_check check,
const lzma_allocator *allocator,
const uint8_t *in, size_t in_size,
uint8_t *out, size_t *out_pos, size_t out_size) lzma_nothrow;
/**
* \brief Initialize .xz Stream encoder using a custom filter chain
*
* \param strm Pointer to properly prepared lzma_stream
* \param filters Array of filters. This must be terminated with
* filters[n].id = LZMA_VLI_UNKNOWN. See filter.h for
* more information.
* \param check Type of the integrity check to calculate from
* uncompressed data.
*
* \return - LZMA_OK: Initialization was successful.
* - LZMA_MEM_ERROR
* - LZMA_UNSUPPORTED_CHECK
* - LZMA_OPTIONS_ERROR
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_stream_encoder(lzma_stream *strm,
const lzma_filter *filters, lzma_check check)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Calculate approximate memory usage of multithreaded .xz encoder
*
* Since doing the encoding in threaded mode doesn't affect the memory
* requirements of single-threaded decompressor, you can use
* lzma_easy_decoder_memusage(options->preset) or
* lzma_raw_decoder_memusage(options->filters) to calculate
* the decompressor memory requirements.
*
* \param options Compression options
*
* \return Number of bytes of memory required for encoding with the
* given options. If an error occurs, for example due to
* unsupported preset or filter chain, UINT64_MAX is returned.
*/
extern LZMA_API(uint64_t) lzma_stream_encoder_mt_memusage(
const lzma_mt *options) lzma_nothrow lzma_attr_pure;
/**
* \brief Initialize multithreaded .xz Stream encoder
*
* This provides the functionality of lzma_easy_encoder() and
* lzma_stream_encoder() as a single function for multithreaded use.
*
* The supported actions for lzma_code() are LZMA_RUN, LZMA_FULL_FLUSH,
* LZMA_FULL_BARRIER, and LZMA_FINISH. Support for LZMA_SYNC_FLUSH might be
* added in the future.
*
* \param strm Pointer to properly prepared lzma_stream
* \param options Pointer to multithreaded compression options
*
* \return - LZMA_OK
* - LZMA_MEM_ERROR
* - LZMA_UNSUPPORTED_CHECK
* - LZMA_OPTIONS_ERROR
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_stream_encoder_mt(
lzma_stream *strm, const lzma_mt *options)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Initialize .lzma encoder (legacy file format)
*
* The .lzma format is sometimes called the LZMA_Alone format, which is the
* reason for the name of this function. The .lzma format supports only the
* LZMA1 filter. There is no support for integrity checks like CRC32.
*
* Use this function if and only if you need to create files readable by
* legacy LZMA tools such as LZMA Utils 4.32.x. Moving to the .xz format
* is strongly recommended.
*
* The valid action values for lzma_code() are LZMA_RUN and LZMA_FINISH.
* No kind of flushing is supported, because the file format doesn't make
* it possible.
*
* \return - LZMA_OK
* - LZMA_MEM_ERROR
* - LZMA_OPTIONS_ERROR
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_alone_encoder(
lzma_stream *strm, const lzma_options_lzma *options)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Calculate output buffer size for single-call Stream encoder
*
* When trying to compress uncompressible data, the encoded size will be
* slightly bigger than the input data. This function calculates how much
* output buffer space is required to be sure that lzma_stream_buffer_encode()
* doesn't return LZMA_BUF_ERROR.
*
* The calculated value is not exact, but it is guaranteed to be big enough.
* The actual maximum output space required may be slightly smaller (up to
* about 100 bytes). This should not be a problem in practice.
*
* If the calculated maximum size doesn't fit into size_t or would make the
* Stream grow past LZMA_VLI_MAX (which should never happen in practice),
* zero is returned to indicate the error.
*
* \note The limit calculated by this function applies only to
* single-call encoding. Multi-call encoding may (and probably
* will) have larger maximum expansion when encoding
* uncompressible data. Currently there is no function to
* calculate the maximum expansion of multi-call encoding.
*/
extern LZMA_API(size_t) lzma_stream_buffer_bound(size_t uncompressed_size)
lzma_nothrow;
/**
* \brief Single-call .xz Stream encoder
*
* \param filters Array of filters. This must be terminated with
* filters[n].id = LZMA_VLI_UNKNOWN. See filter.h
* for more information.
* \param check Type of the integrity check to calculate from
* uncompressed data.
* \param allocator lzma_allocator for custom allocator functions.
* Set to NULL to use malloc() and free().
* \param in Beginning of the input buffer
* \param in_size Size of the input buffer
* \param out Beginning of the output buffer
* \param out_pos The next byte will be written to out[*out_pos].
* *out_pos is updated only if encoding succeeds.
* \param out_size Size of the out buffer; the first byte into
* which no data is written to is out[out_size].
*
* \return - LZMA_OK: Encoding was successful.
* - LZMA_BUF_ERROR: Not enough output buffer space.
* - LZMA_UNSUPPORTED_CHECK
* - LZMA_OPTIONS_ERROR
* - LZMA_MEM_ERROR
* - LZMA_DATA_ERROR
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_stream_buffer_encode(
lzma_filter *filters, lzma_check check,
const lzma_allocator *allocator,
const uint8_t *in, size_t in_size,
uint8_t *out, size_t *out_pos, size_t out_size)
lzma_nothrow lzma_attr_warn_unused_result;
/************
* Decoding *
************/
/**
* This flag makes lzma_code() return LZMA_NO_CHECK if the input stream
* being decoded has no integrity check. Note that when used with
* lzma_auto_decoder(), all .lzma files will trigger LZMA_NO_CHECK
* if LZMA_TELL_NO_CHECK is used.
*/
#define LZMA_TELL_NO_CHECK UINT32_C(0x01)
/**
* This flag makes lzma_code() return LZMA_UNSUPPORTED_CHECK if the input
* stream has an integrity check, but the type of the integrity check is not
* supported by this liblzma version or build. Such files can still be
* decoded, but the integrity check cannot be verified.
*/
#define LZMA_TELL_UNSUPPORTED_CHECK UINT32_C(0x02)
/**
* This flag makes lzma_code() return LZMA_GET_CHECK as soon as the type
* of the integrity check is known. The type can then be got with
* lzma_get_check().
*/
#define LZMA_TELL_ANY_CHECK UINT32_C(0x04)
/**
* This flag makes lzma_code() not calculate and verify the integrity check
* of the compressed data in .xz files. This means that invalid integrity
* check values won't be detected and LZMA_DATA_ERROR won't be returned in
* such cases.
*
* This flag only affects the checks of the compressed data itself; the CRC32
* values in the .xz headers will still be verified normally.
*
* Don't use this flag unless you know what you are doing. Possible reasons
* to use this flag:
*
* - Trying to recover data from a corrupt .xz file.
*
* - Speeding up decompression, which matters mostly with SHA-256
* or with files that have compressed extremely well. It's recommended
* to not use this flag for this purpose unless the file integrity is
* verified externally in some other way.
*
* Support for this flag was added in liblzma 5.1.4beta.
*/
#define LZMA_IGNORE_CHECK UINT32_C(0x10)
/**
* This flag enables decoding of concatenated files with file formats that
* allow concatenating compressed files as is. From the formats currently
* supported by liblzma, only the .xz format allows concatenated files.
* Concatenated files are not allowed with the legacy .lzma format.
*
* This flag also affects the usage of the `action' argument for lzma_code().
* When LZMA_CONCATENATED is used, lzma_code() won't return LZMA_STREAM_END
* unless LZMA_FINISH is used as `action'. Thus, the application has to set
* LZMA_FINISH in the same way as it does when encoding.
*
* If LZMA_CONCATENATED is not used, the decoders still accept LZMA_FINISH
* as `action' for lzma_code(), but the usage of LZMA_FINISH isn't required.
*/
#define LZMA_CONCATENATED UINT32_C(0x08)
/**
* \brief Initialize .xz Stream decoder
*
* \param strm Pointer to properly prepared lzma_stream
* \param memlimit Memory usage limit as bytes. Use UINT64_MAX
* to effectively disable the limiter. liblzma
* 5.2.3 and earlier don't allow 0 here and return
* LZMA_PROG_ERROR; later versions treat 0 as if 1
* had been specified.
* \param flags Bitwise-or of zero or more of the decoder flags:
* LZMA_TELL_NO_CHECK, LZMA_TELL_UNSUPPORTED_CHECK,
* LZMA_TELL_ANY_CHECK, LZMA_CONCATENATED
*
* \return - LZMA_OK: Initialization was successful.
* - LZMA_MEM_ERROR: Cannot allocate memory.
* - LZMA_OPTIONS_ERROR: Unsupported flags
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_stream_decoder(
lzma_stream *strm, uint64_t memlimit, uint32_t flags)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Decode .xz Streams and .lzma files with autodetection
*
* This decoder autodetects between the .xz and .lzma file formats, and
* calls lzma_stream_decoder() or lzma_alone_decoder() once the type
* of the input file has been detected.
*
* \param strm Pointer to properly prepared lzma_stream
* \param memlimit Memory usage limit as bytes. Use UINT64_MAX
* to effectively disable the limiter. liblzma
* 5.2.3 and earlier don't allow 0 here and return
* LZMA_PROG_ERROR; later versions treat 0 as if 1
* had been specified.
* \param flags Bitwise-or of flags, or zero for no flags.
*
* \return - LZMA_OK: Initialization was successful.
* - LZMA_MEM_ERROR: Cannot allocate memory.
* - LZMA_OPTIONS_ERROR: Unsupported flags
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_auto_decoder(
lzma_stream *strm, uint64_t memlimit, uint32_t flags)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Initialize .lzma decoder (legacy file format)
*
* \param strm Pointer to properly prepared lzma_stream
* \param memlimit Memory usage limit as bytes. Use UINT64_MAX
* to effectively disable the limiter. liblzma
* 5.2.3 and earlier don't allow 0 here and return
* LZMA_PROG_ERROR; later versions treat 0 as if 1
* had been specified.
*
* Valid `action' arguments to lzma_code() are LZMA_RUN and LZMA_FINISH.
* There is no need to use LZMA_FINISH, but it's allowed because it may
* simplify certain types of applications.
*
* \return - LZMA_OK
* - LZMA_MEM_ERROR
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_alone_decoder(
lzma_stream *strm, uint64_t memlimit)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Single-call .xz Stream decoder
*
* \param memlimit Pointer to how much memory the decoder is allowed
* to allocate. The value pointed by this pointer is
* modified if and only if LZMA_MEMLIMIT_ERROR is
* returned.
* \param flags Bitwise-or of zero or more of the decoder flags:
* LZMA_TELL_NO_CHECK, LZMA_TELL_UNSUPPORTED_CHECK,
* LZMA_CONCATENATED. Note that LZMA_TELL_ANY_CHECK
* is not allowed and will return LZMA_PROG_ERROR.
* \param allocator lzma_allocator for custom allocator functions.
* Set to NULL to use malloc() and free().
* \param in Beginning of the input buffer
* \param in_pos The next byte will be read from in[*in_pos].
* *in_pos is updated only if decoding succeeds.
* \param in_size Size of the input buffer; the first byte that
* won't be read is in[in_size].
* \param out Beginning of the output buffer
* \param out_pos The next byte will be written to out[*out_pos].
* *out_pos is updated only if decoding succeeds.
* \param out_size Size of the out buffer; the first byte into
* which no data is written to is out[out_size].
*
* \return - LZMA_OK: Decoding was successful.
* - LZMA_FORMAT_ERROR
* - LZMA_OPTIONS_ERROR
* - LZMA_DATA_ERROR
* - LZMA_NO_CHECK: This can be returned only if using
* the LZMA_TELL_NO_CHECK flag.
* - LZMA_UNSUPPORTED_CHECK: This can be returned only if using
* the LZMA_TELL_UNSUPPORTED_CHECK flag.
* - LZMA_MEM_ERROR
* - LZMA_MEMLIMIT_ERROR: Memory usage limit was reached.
* The minimum required memlimit value was stored to *memlimit.
* - LZMA_BUF_ERROR: Output buffer was too small.
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_stream_buffer_decode(
uint64_t *memlimit, uint32_t flags,
const lzma_allocator *allocator,
const uint8_t *in, size_t *in_pos, size_t in_size,
uint8_t *out, size_t *out_pos, size_t out_size)
lzma_nothrow lzma_attr_warn_unused_result;

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/**
* \file lzma/delta.h
* \brief Delta filter
*/
/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/
#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif
/**
* \brief Filter ID
*
* Filter ID of the Delta filter. This is used as lzma_filter.id.
*/
#define LZMA_FILTER_DELTA LZMA_VLI_C(0x03)
/**
* \brief Type of the delta calculation
*
* Currently only byte-wise delta is supported. Other possible types could
* be, for example, delta of 16/32/64-bit little/big endian integers, but
* these are not currently planned since byte-wise delta is almost as good.
*/
typedef enum {
LZMA_DELTA_TYPE_BYTE
} lzma_delta_type;
/**
* \brief Options for the Delta filter
*
* These options are needed by both encoder and decoder.
*/
typedef struct {
/** For now, this must always be LZMA_DELTA_TYPE_BYTE. */
lzma_delta_type type;
/**
* \brief Delta distance
*
* With the only currently supported type, LZMA_DELTA_TYPE_BYTE,
* the distance is as bytes.
*
* Examples:
* - 16-bit stereo audio: distance = 4 bytes
* - 24-bit RGB image data: distance = 3 bytes
*/
uint32_t dist;
# define LZMA_DELTA_DIST_MIN 1
# define LZMA_DELTA_DIST_MAX 256
/*
* Reserved space to allow possible future extensions without
* breaking the ABI. You should not touch these, because the names
* of these variables may change. These are and will never be used
* when type is LZMA_DELTA_TYPE_BYTE, so it is safe to leave these
* uninitialized.
*/
uint32_t reserved_int1;
uint32_t reserved_int2;
uint32_t reserved_int3;
uint32_t reserved_int4;
void *reserved_ptr1;
void *reserved_ptr2;
} lzma_options_delta;

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/**
* \file lzma/filter.h
* \brief Common filter related types and functions
*/
/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/
#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif
/**
* \brief Maximum number of filters in a chain
*
* A filter chain can have 1-4 filters, of which three are allowed to change
* the size of the data. Usually only one or two filters are needed.
*/
#define LZMA_FILTERS_MAX 4
/**
* \brief Filter options
*
* This structure is used to pass Filter ID and a pointer filter's
* options to liblzma. A few functions work with a single lzma_filter
* structure, while most functions expect a filter chain.
*
* A filter chain is indicated with an array of lzma_filter structures.
* The array is terminated with .id = LZMA_VLI_UNKNOWN. Thus, the filter
* array must have LZMA_FILTERS_MAX + 1 elements (that is, five) to
* be able to hold any arbitrary filter chain. This is important when
* using lzma_block_header_decode() from block.h, because too small
* array would make liblzma write past the end of the filters array.
*/
typedef struct {
/**
* \brief Filter ID
*
* Use constants whose name begin with `LZMA_FILTER_' to specify
* different filters. In an array of lzma_filter structures, use
* LZMA_VLI_UNKNOWN to indicate end of filters.
*
* \note This is not an enum, because on some systems enums
* cannot be 64-bit.
*/
lzma_vli id;
/**
* \brief Pointer to filter-specific options structure
*
* If the filter doesn't need options, set this to NULL. If id is
* set to LZMA_VLI_UNKNOWN, options is ignored, and thus
* doesn't need be initialized.
*/
void *options;
} lzma_filter;
/**
* \brief Test if the given Filter ID is supported for encoding
*
* Return true if the give Filter ID is supported for encoding by this
* liblzma build. Otherwise false is returned.
*
* There is no way to list which filters are available in this particular
* liblzma version and build. It would be useless, because the application
* couldn't know what kind of options the filter would need.
*/
extern LZMA_API(lzma_bool) lzma_filter_encoder_is_supported(lzma_vli id)
lzma_nothrow lzma_attr_const;
/**
* \brief Test if the given Filter ID is supported for decoding
*
* Return true if the give Filter ID is supported for decoding by this
* liblzma build. Otherwise false is returned.
*/
extern LZMA_API(lzma_bool) lzma_filter_decoder_is_supported(lzma_vli id)
lzma_nothrow lzma_attr_const;
/**
* \brief Copy the filters array
*
* Copy the Filter IDs and filter-specific options from src to dest.
* Up to LZMA_FILTERS_MAX filters are copied, plus the terminating
* .id == LZMA_VLI_UNKNOWN. Thus, dest should have at least
* LZMA_FILTERS_MAX + 1 elements space unless the caller knows that
* src is smaller than that.
*
* Unless the filter-specific options is NULL, the Filter ID has to be
* supported by liblzma, because liblzma needs to know the size of every
* filter-specific options structure. The filter-specific options are not
* validated. If options is NULL, any unsupported Filter IDs are copied
* without returning an error.
*
* Old filter-specific options in dest are not freed, so dest doesn't
* need to be initialized by the caller in any way.
*
* If an error occurs, memory possibly already allocated by this function
* is always freed.
*
* \return - LZMA_OK
* - LZMA_MEM_ERROR
* - LZMA_OPTIONS_ERROR: Unsupported Filter ID and its options
* is not NULL.
* - LZMA_PROG_ERROR: src or dest is NULL.
*/
extern LZMA_API(lzma_ret) lzma_filters_copy(
const lzma_filter *src, lzma_filter *dest,
const lzma_allocator *allocator) lzma_nothrow;
/**
* \brief Calculate approximate memory requirements for raw encoder
*
* This function can be used to calculate the memory requirements for
* Block and Stream encoders too because Block and Stream encoders don't
* need significantly more memory than raw encoder.
*
* \param filters Array of filters terminated with
* .id == LZMA_VLI_UNKNOWN.
*
* \return Number of bytes of memory required for the given
* filter chain when encoding. If an error occurs,
* for example due to unsupported filter chain,
* UINT64_MAX is returned.
*/
extern LZMA_API(uint64_t) lzma_raw_encoder_memusage(const lzma_filter *filters)
lzma_nothrow lzma_attr_pure;
/**
* \brief Calculate approximate memory requirements for raw decoder
*
* This function can be used to calculate the memory requirements for
* Block and Stream decoders too because Block and Stream decoders don't
* need significantly more memory than raw decoder.
*
* \param filters Array of filters terminated with
* .id == LZMA_VLI_UNKNOWN.
*
* \return Number of bytes of memory required for the given
* filter chain when decoding. If an error occurs,
* for example due to unsupported filter chain,
* UINT64_MAX is returned.
*/
extern LZMA_API(uint64_t) lzma_raw_decoder_memusage(const lzma_filter *filters)
lzma_nothrow lzma_attr_pure;
/**
* \brief Initialize raw encoder
*
* This function may be useful when implementing custom file formats.
*
* \param strm Pointer to properly prepared lzma_stream
* \param filters Array of lzma_filter structures. The end of the
* array must be marked with .id = LZMA_VLI_UNKNOWN.
*
* The `action' with lzma_code() can be LZMA_RUN, LZMA_SYNC_FLUSH (if the
* filter chain supports it), or LZMA_FINISH.
*
* \return - LZMA_OK
* - LZMA_MEM_ERROR
* - LZMA_OPTIONS_ERROR
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_raw_encoder(
lzma_stream *strm, const lzma_filter *filters)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Initialize raw decoder
*
* The initialization of raw decoder goes similarly to raw encoder.
*
* The `action' with lzma_code() can be LZMA_RUN or LZMA_FINISH. Using
* LZMA_FINISH is not required, it is supported just for convenience.
*
* \return - LZMA_OK
* - LZMA_MEM_ERROR
* - LZMA_OPTIONS_ERROR
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_raw_decoder(
lzma_stream *strm, const lzma_filter *filters)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Update the filter chain in the encoder
*
* This function is for advanced users only. This function has two slightly
* different purposes:
*
* - After LZMA_FULL_FLUSH when using Stream encoder: Set a new filter
* chain, which will be used starting from the next Block.
*
* - After LZMA_SYNC_FLUSH using Raw, Block, or Stream encoder: Change
* the filter-specific options in the middle of encoding. The actual
* filters in the chain (Filter IDs) cannot be changed. In the future,
* it might become possible to change the filter options without
* using LZMA_SYNC_FLUSH.
*
* While rarely useful, this function may be called also when no data has
* been compressed yet. In that case, this function will behave as if
* LZMA_FULL_FLUSH (Stream encoder) or LZMA_SYNC_FLUSH (Raw or Block
* encoder) had been used right before calling this function.
*
* \return - LZMA_OK
* - LZMA_MEM_ERROR
* - LZMA_MEMLIMIT_ERROR
* - LZMA_OPTIONS_ERROR
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_filters_update(
lzma_stream *strm, const lzma_filter *filters) lzma_nothrow;
/**
* \brief Single-call raw encoder
*
* \param filters Array of lzma_filter structures. The end of the
* array must be marked with .id = LZMA_VLI_UNKNOWN.
* \param allocator lzma_allocator for custom allocator functions.
* Set to NULL to use malloc() and free().
* \param in Beginning of the input buffer
* \param in_size Size of the input buffer
* \param out Beginning of the output buffer
* \param out_pos The next byte will be written to out[*out_pos].
* *out_pos is updated only if encoding succeeds.
* \param out_size Size of the out buffer; the first byte into
* which no data is written to is out[out_size].
*
* \return - LZMA_OK: Encoding was successful.
* - LZMA_BUF_ERROR: Not enough output buffer space.
* - LZMA_OPTIONS_ERROR
* - LZMA_MEM_ERROR
* - LZMA_DATA_ERROR
* - LZMA_PROG_ERROR
*
* \note There is no function to calculate how big output buffer
* would surely be big enough. (lzma_stream_buffer_bound()
* works only for lzma_stream_buffer_encode(); raw encoder
* won't necessarily meet that bound.)
*/
extern LZMA_API(lzma_ret) lzma_raw_buffer_encode(
const lzma_filter *filters, const lzma_allocator *allocator,
const uint8_t *in, size_t in_size, uint8_t *out,
size_t *out_pos, size_t out_size) lzma_nothrow;
/**
* \brief Single-call raw decoder
*
* \param filters Array of lzma_filter structures. The end of the
* array must be marked with .id = LZMA_VLI_UNKNOWN.
* \param allocator lzma_allocator for custom allocator functions.
* Set to NULL to use malloc() and free().
* \param in Beginning of the input buffer
* \param in_pos The next byte will be read from in[*in_pos].
* *in_pos is updated only if decoding succeeds.
* \param in_size Size of the input buffer; the first byte that
* won't be read is in[in_size].
* \param out Beginning of the output buffer
* \param out_pos The next byte will be written to out[*out_pos].
* *out_pos is updated only if encoding succeeds.
* \param out_size Size of the out buffer; the first byte into
* which no data is written to is out[out_size].
*/
extern LZMA_API(lzma_ret) lzma_raw_buffer_decode(
const lzma_filter *filters, const lzma_allocator *allocator,
const uint8_t *in, size_t *in_pos, size_t in_size,
uint8_t *out, size_t *out_pos, size_t out_size) lzma_nothrow;
/**
* \brief Get the size of the Filter Properties field
*
* This function may be useful when implementing custom file formats
* using the raw encoder and decoder.
*
* \param size Pointer to uint32_t to hold the size of the properties
* \param filter Filter ID and options (the size of the properties may
* vary depending on the options)
*
* \return - LZMA_OK
* - LZMA_OPTIONS_ERROR
* - LZMA_PROG_ERROR
*
* \note This function validates the Filter ID, but does not
* necessarily validate the options. Thus, it is possible
* that this returns LZMA_OK while the following call to
* lzma_properties_encode() returns LZMA_OPTIONS_ERROR.
*/
extern LZMA_API(lzma_ret) lzma_properties_size(
uint32_t *size, const lzma_filter *filter) lzma_nothrow;
/**
* \brief Encode the Filter Properties field
*
* \param filter Filter ID and options
* \param props Buffer to hold the encoded options. The size of
* buffer must have been already determined with
* lzma_properties_size().
*
* \return - LZMA_OK
* - LZMA_OPTIONS_ERROR
* - LZMA_PROG_ERROR
*
* \note Even this function won't validate more options than actually
* necessary. Thus, it is possible that encoding the properties
* succeeds but using the same options to initialize the encoder
* will fail.
*
* \note If lzma_properties_size() indicated that the size
* of the Filter Properties field is zero, calling
* lzma_properties_encode() is not required, but it
* won't do any harm either.
*/
extern LZMA_API(lzma_ret) lzma_properties_encode(
const lzma_filter *filter, uint8_t *props) lzma_nothrow;
/**
* \brief Decode the Filter Properties field
*
* \param filter filter->id must have been set to the correct
* Filter ID. filter->options doesn't need to be
* initialized (it's not freed by this function). The
* decoded options will be stored to filter->options.
* filter->options is set to NULL if there are no
* properties or if an error occurs.
* \param allocator Custom memory allocator used to allocate the
* options. Set to NULL to use the default malloc(),
* and in case of an error, also free().
* \param props Input buffer containing the properties.
* \param props_size Size of the properties. This must be the exact
* size; giving too much or too little input will
* return LZMA_OPTIONS_ERROR.
*
* \return - LZMA_OK
* - LZMA_OPTIONS_ERROR
* - LZMA_MEM_ERROR
*/
extern LZMA_API(lzma_ret) lzma_properties_decode(
lzma_filter *filter, const lzma_allocator *allocator,
const uint8_t *props, size_t props_size) lzma_nothrow;
/**
* \brief Calculate encoded size of a Filter Flags field
*
* Knowing the size of Filter Flags is useful to know when allocating
* memory to hold the encoded Filter Flags.
*
* \param size Pointer to integer to hold the calculated size
* \param filter Filter ID and associated options whose encoded
* size is to be calculated
*
* \return - LZMA_OK: *size set successfully. Note that this doesn't
* guarantee that filter->options is valid, thus
* lzma_filter_flags_encode() may still fail.
* - LZMA_OPTIONS_ERROR: Unknown Filter ID or unsupported options.
* - LZMA_PROG_ERROR: Invalid options
*
* \note If you need to calculate size of List of Filter Flags,
* you need to loop over every lzma_filter entry.
*/
extern LZMA_API(lzma_ret) lzma_filter_flags_size(
uint32_t *size, const lzma_filter *filter)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Encode Filter Flags into given buffer
*
* In contrast to some functions, this doesn't allocate the needed buffer.
* This is due to how this function is used internally by liblzma.
*
* \param filter Filter ID and options to be encoded
* \param out Beginning of the output buffer
* \param out_pos out[*out_pos] is the next write position. This
* is updated by the encoder.
* \param out_size out[out_size] is the first byte to not write.
*
* \return - LZMA_OK: Encoding was successful.
* - LZMA_OPTIONS_ERROR: Invalid or unsupported options.
* - LZMA_PROG_ERROR: Invalid options or not enough output
* buffer space (you should have checked it with
* lzma_filter_flags_size()).
*/
extern LZMA_API(lzma_ret) lzma_filter_flags_encode(const lzma_filter *filter,
uint8_t *out, size_t *out_pos, size_t out_size)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Decode Filter Flags from given buffer
*
* The decoded result is stored into *filter. The old value of
* filter->options is not free()d.
*
* \return - LZMA_OK
* - LZMA_OPTIONS_ERROR
* - LZMA_MEM_ERROR
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_filter_flags_decode(
lzma_filter *filter, const lzma_allocator *allocator,
const uint8_t *in, size_t *in_pos, size_t in_size)
lzma_nothrow lzma_attr_warn_unused_result;

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/**
* \file lzma/hardware.h
* \brief Hardware information
*
* Since liblzma can consume a lot of system resources, it also provides
* ways to limit the resource usage. Applications linking against liblzma
* need to do the actual decisions how much resources to let liblzma to use.
* To ease making these decisions, liblzma provides functions to find out
* the relevant capabilities of the underlaying hardware. Currently there
* is only a function to find out the amount of RAM, but in the future there
* will be also a function to detect how many concurrent threads the system
* can run.
*
* \note On some operating systems, these function may temporarily
* load a shared library or open file descriptor(s) to find out
* the requested hardware information. Unless the application
* assumes that specific file descriptors are not touched by
* other threads, this should have no effect on thread safety.
* Possible operations involving file descriptors will restart
* the syscalls if they return EINTR.
*/
/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/
#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif
/**
* \brief Get the total amount of physical memory (RAM) in bytes
*
* This function may be useful when determining a reasonable memory
* usage limit for decompressing or how much memory it is OK to use
* for compressing.
*
* \return On success, the total amount of physical memory in bytes
* is returned. If the amount of RAM cannot be determined,
* zero is returned. This can happen if an error occurs
* or if there is no code in liblzma to detect the amount
* of RAM on the specific operating system.
*/
extern LZMA_API(uint64_t) lzma_physmem(void) lzma_nothrow;
/**
* \brief Get the number of processor cores or threads
*
* This function may be useful when determining how many threads to use.
* If the hardware supports more than one thread per CPU core, the number
* of hardware threads is returned if that information is available.
*
* \brief On success, the number of available CPU threads or cores is
* returned. If this information isn't available or an error
* occurs, zero is returned.
*/
extern LZMA_API(uint32_t) lzma_cputhreads(void) lzma_nothrow;

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/**
* \file lzma/index.h
* \brief Handling of .xz Index and related information
*/
/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/
#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif
/**
* \brief Opaque data type to hold the Index(es) and other information
*
* lzma_index often holds just one .xz Index and possibly the Stream Flags
* of the same Stream and size of the Stream Padding field. However,
* multiple lzma_indexes can be concatenated with lzma_index_cat() and then
* there may be information about multiple Streams in the same lzma_index.
*
* Notes about thread safety: Only one thread may modify lzma_index at
* a time. All functions that take non-const pointer to lzma_index
* modify it. As long as no thread is modifying the lzma_index, getting
* information from the same lzma_index can be done from multiple threads
* at the same time with functions that take a const pointer to
* lzma_index or use lzma_index_iter. The same iterator must be used
* only by one thread at a time, of course, but there can be as many
* iterators for the same lzma_index as needed.
*/
typedef struct lzma_index_s lzma_index;
/**
* \brief Iterator to get information about Blocks and Streams
*/
typedef struct {
struct {
/**
* \brief Pointer to Stream Flags
*
* This is NULL if Stream Flags have not been set for
* this Stream with lzma_index_stream_flags().
*/
const lzma_stream_flags *flags;
const void *reserved_ptr1;
const void *reserved_ptr2;
const void *reserved_ptr3;
/**
* \brief Stream number in the lzma_index
*
* The first Stream is 1.
*/
lzma_vli number;
/**
* \brief Number of Blocks in the Stream
*
* If this is zero, the block structure below has
* undefined values.
*/
lzma_vli block_count;
/**
* \brief Compressed start offset of this Stream
*
* The offset is relative to the beginning of the lzma_index
* (i.e. usually the beginning of the .xz file).
*/
lzma_vli compressed_offset;
/**
* \brief Uncompressed start offset of this Stream
*
* The offset is relative to the beginning of the lzma_index
* (i.e. usually the beginning of the .xz file).
*/
lzma_vli uncompressed_offset;
/**
* \brief Compressed size of this Stream
*
* This includes all headers except the possible
* Stream Padding after this Stream.
*/
lzma_vli compressed_size;
/**
* \brief Uncompressed size of this Stream
*/
lzma_vli uncompressed_size;
/**
* \brief Size of Stream Padding after this Stream
*
* If it hasn't been set with lzma_index_stream_padding(),
* this defaults to zero. Stream Padding is always
* a multiple of four bytes.
*/
lzma_vli padding;
lzma_vli reserved_vli1;
lzma_vli reserved_vli2;
lzma_vli reserved_vli3;
lzma_vli reserved_vli4;
} stream;
struct {
/**
* \brief Block number in the file
*
* The first Block is 1.
*/
lzma_vli number_in_file;
/**
* \brief Compressed start offset of this Block
*
* This offset is relative to the beginning of the
* lzma_index (i.e. usually the beginning of the .xz file).
* Normally this is where you should seek in the .xz file
* to start decompressing this Block.
*/
lzma_vli compressed_file_offset;
/**
* \brief Uncompressed start offset of this Block
*
* This offset is relative to the beginning of the lzma_index
* (i.e. usually the beginning of the .xz file).
*
* When doing random-access reading, it is possible that
* the target offset is not exactly at Block boundary. One
* will need to compare the target offset against
* uncompressed_file_offset or uncompressed_stream_offset,
* and possibly decode and throw away some amount of data
* before reaching the target offset.
*/
lzma_vli uncompressed_file_offset;
/**
* \brief Block number in this Stream
*
* The first Block is 1.
*/
lzma_vli number_in_stream;
/**
* \brief Compressed start offset of this Block
*
* This offset is relative to the beginning of the Stream
* containing this Block.
*/
lzma_vli compressed_stream_offset;
/**
* \brief Uncompressed start offset of this Block
*
* This offset is relative to the beginning of the Stream
* containing this Block.
*/
lzma_vli uncompressed_stream_offset;
/**
* \brief Uncompressed size of this Block
*
* You should pass this to the Block decoder if you will
* decode this Block. It will allow the Block decoder to
* validate the uncompressed size.
*/
lzma_vli uncompressed_size;
/**
* \brief Unpadded size of this Block
*
* You should pass this to the Block decoder if you will
* decode this Block. It will allow the Block decoder to
* validate the unpadded size.
*/
lzma_vli unpadded_size;
/**
* \brief Total compressed size
*
* This includes all headers and padding in this Block.
* This is useful if you need to know how many bytes
* the Block decoder will actually read.
*/
lzma_vli total_size;
lzma_vli reserved_vli1;
lzma_vli reserved_vli2;
lzma_vli reserved_vli3;
lzma_vli reserved_vli4;
const void *reserved_ptr1;
const void *reserved_ptr2;
const void *reserved_ptr3;
const void *reserved_ptr4;
} block;
/*
* Internal data which is used to store the state of the iterator.
* The exact format may vary between liblzma versions, so don't
* touch these in any way.
*/
union {
const void *p;
size_t s;
lzma_vli v;
} internal[6];
} lzma_index_iter;
/**
* \brief Operation mode for lzma_index_iter_next()
*/
typedef enum {
LZMA_INDEX_ITER_ANY = 0,
/**<
* \brief Get the next Block or Stream
*
* Go to the next Block if the current Stream has at least
* one Block left. Otherwise go to the next Stream even if
* it has no Blocks. If the Stream has no Blocks
* (lzma_index_iter.stream.block_count == 0),
* lzma_index_iter.block will have undefined values.
*/
LZMA_INDEX_ITER_STREAM = 1,
/**<
* \brief Get the next Stream
*
* Go to the next Stream even if the current Stream has
* unread Blocks left. If the next Stream has at least one
* Block, the iterator will point to the first Block.
* If there are no Blocks, lzma_index_iter.block will have
* undefined values.
*/
LZMA_INDEX_ITER_BLOCK = 2,
/**<
* \brief Get the next Block
*
* Go to the next Block if the current Stream has at least
* one Block left. If the current Stream has no Blocks left,
* the next Stream with at least one Block is located and
* the iterator will be made to point to the first Block of
* that Stream.
*/
LZMA_INDEX_ITER_NONEMPTY_BLOCK = 3
/**<
* \brief Get the next non-empty Block
*
* This is like LZMA_INDEX_ITER_BLOCK except that it will
* skip Blocks whose Uncompressed Size is zero.
*/
} lzma_index_iter_mode;
/**
* \brief Calculate memory usage of lzma_index
*
* On disk, the size of the Index field depends on both the number of Records
* stored and how big values the Records store (due to variable-length integer
* encoding). When the Index is kept in lzma_index structure, the memory usage
* depends only on the number of Records/Blocks stored in the Index(es), and
* in case of concatenated lzma_indexes, the number of Streams. The size in
* RAM is almost always significantly bigger than in the encoded form on disk.
*
* This function calculates an approximate amount of memory needed hold
* the given number of Streams and Blocks in lzma_index structure. This
* value may vary between CPU architectures and also between liblzma versions
* if the internal implementation is modified.
*/
extern LZMA_API(uint64_t) lzma_index_memusage(
lzma_vli streams, lzma_vli blocks) lzma_nothrow;
/**
* \brief Calculate the memory usage of an existing lzma_index
*
* This is a shorthand for lzma_index_memusage(lzma_index_stream_count(i),
* lzma_index_block_count(i)).
*/
extern LZMA_API(uint64_t) lzma_index_memused(const lzma_index *i)
lzma_nothrow;
/**
* \brief Allocate and initialize a new lzma_index structure
*
* \return On success, a pointer to an empty initialized lzma_index is
* returned. If allocation fails, NULL is returned.
*/
extern LZMA_API(lzma_index *) lzma_index_init(const lzma_allocator *allocator)
lzma_nothrow;
/**
* \brief Deallocate lzma_index
*
* If i is NULL, this does nothing.
*/
extern LZMA_API(void) lzma_index_end(
lzma_index *i, const lzma_allocator *allocator) lzma_nothrow;
/**
* \brief Add a new Block to lzma_index
*
* \param i Pointer to a lzma_index structure
* \param allocator Pointer to lzma_allocator, or NULL to
* use malloc()
* \param unpadded_size Unpadded Size of a Block. This can be
* calculated with lzma_block_unpadded_size()
* after encoding or decoding the Block.
* \param uncompressed_size Uncompressed Size of a Block. This can be
* taken directly from lzma_block structure
* after encoding or decoding the Block.
*
* Appending a new Block does not invalidate iterators. For example,
* if an iterator was pointing to the end of the lzma_index, after
* lzma_index_append() it is possible to read the next Block with
* an existing iterator.
*
* \return - LZMA_OK
* - LZMA_MEM_ERROR
* - LZMA_DATA_ERROR: Compressed or uncompressed size of the
* Stream or size of the Index field would grow too big.
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_index_append(
lzma_index *i, const lzma_allocator *allocator,
lzma_vli unpadded_size, lzma_vli uncompressed_size)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Set the Stream Flags
*
* Set the Stream Flags of the last (and typically the only) Stream
* in lzma_index. This can be useful when reading information from the
* lzma_index, because to decode Blocks, knowing the integrity check type
* is needed.
*
* The given Stream Flags are copied into internal preallocated structure
* in the lzma_index, thus the caller doesn't need to keep the *stream_flags
* available after calling this function.
*
* \return - LZMA_OK
* - LZMA_OPTIONS_ERROR: Unsupported stream_flags->version.
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_index_stream_flags(
lzma_index *i, const lzma_stream_flags *stream_flags)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Get the types of integrity Checks
*
* If lzma_index_stream_flags() is used to set the Stream Flags for
* every Stream, lzma_index_checks() can be used to get a bitmask to
* indicate which Check types have been used. It can be useful e.g. if
* showing the Check types to the user.
*
* The bitmask is 1 << check_id, e.g. CRC32 is 1 << 1 and SHA-256 is 1 << 10.
*/
extern LZMA_API(uint32_t) lzma_index_checks(const lzma_index *i)
lzma_nothrow lzma_attr_pure;
/**
* \brief Set the amount of Stream Padding
*
* Set the amount of Stream Padding of the last (and typically the only)
* Stream in the lzma_index. This is needed when planning to do random-access
* reading within multiple concatenated Streams.
*
* By default, the amount of Stream Padding is assumed to be zero bytes.
*
* \return - LZMA_OK
* - LZMA_DATA_ERROR: The file size would grow too big.
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_index_stream_padding(
lzma_index *i, lzma_vli stream_padding)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Get the number of Streams
*/
extern LZMA_API(lzma_vli) lzma_index_stream_count(const lzma_index *i)
lzma_nothrow lzma_attr_pure;
/**
* \brief Get the number of Blocks
*
* This returns the total number of Blocks in lzma_index. To get number
* of Blocks in individual Streams, use lzma_index_iter.
*/
extern LZMA_API(lzma_vli) lzma_index_block_count(const lzma_index *i)
lzma_nothrow lzma_attr_pure;
/**
* \brief Get the size of the Index field as bytes
*
* This is needed to verify the Backward Size field in the Stream Footer.
*/
extern LZMA_API(lzma_vli) lzma_index_size(const lzma_index *i)
lzma_nothrow lzma_attr_pure;
/**
* \brief Get the total size of the Stream
*
* If multiple lzma_indexes have been combined, this works as if the Blocks
* were in a single Stream. This is useful if you are going to combine
* Blocks from multiple Streams into a single new Stream.
*/
extern LZMA_API(lzma_vli) lzma_index_stream_size(const lzma_index *i)
lzma_nothrow lzma_attr_pure;
/**
* \brief Get the total size of the Blocks
*
* This doesn't include the Stream Header, Stream Footer, Stream Padding,
* or Index fields.
*/
extern LZMA_API(lzma_vli) lzma_index_total_size(const lzma_index *i)
lzma_nothrow lzma_attr_pure;
/**
* \brief Get the total size of the file
*
* When no lzma_indexes have been combined with lzma_index_cat() and there is
* no Stream Padding, this function is identical to lzma_index_stream_size().
* If multiple lzma_indexes have been combined, this includes also the headers
* of each separate Stream and the possible Stream Padding fields.
*/
extern LZMA_API(lzma_vli) lzma_index_file_size(const lzma_index *i)
lzma_nothrow lzma_attr_pure;
/**
* \brief Get the uncompressed size of the file
*/
extern LZMA_API(lzma_vli) lzma_index_uncompressed_size(const lzma_index *i)
lzma_nothrow lzma_attr_pure;
/**
* \brief Initialize an iterator
*
* \param iter Pointer to a lzma_index_iter structure
* \param i lzma_index to which the iterator will be associated
*
* This function associates the iterator with the given lzma_index, and calls
* lzma_index_iter_rewind() on the iterator.
*
* This function doesn't allocate any memory, thus there is no
* lzma_index_iter_end(). The iterator is valid as long as the
* associated lzma_index is valid, that is, until lzma_index_end() or
* using it as source in lzma_index_cat(). Specifically, lzma_index doesn't
* become invalid if new Blocks are added to it with lzma_index_append() or
* if it is used as the destination in lzma_index_cat().
*
* It is safe to make copies of an initialized lzma_index_iter, for example,
* to easily restart reading at some particular position.
*/
extern LZMA_API(void) lzma_index_iter_init(
lzma_index_iter *iter, const lzma_index *i) lzma_nothrow;
/**
* \brief Rewind the iterator
*
* Rewind the iterator so that next call to lzma_index_iter_next() will
* return the first Block or Stream.
*/
extern LZMA_API(void) lzma_index_iter_rewind(lzma_index_iter *iter)
lzma_nothrow;
/**
* \brief Get the next Block or Stream
*
* \param iter Iterator initialized with lzma_index_iter_init()
* \param mode Specify what kind of information the caller wants
* to get. See lzma_index_iter_mode for details.
*
* \return If next Block or Stream matching the mode was found, *iter
* is updated and this function returns false. If no Block or
* Stream matching the mode is found, *iter is not modified
* and this function returns true. If mode is set to an unknown
* value, *iter is not modified and this function returns true.
*/
extern LZMA_API(lzma_bool) lzma_index_iter_next(
lzma_index_iter *iter, lzma_index_iter_mode mode)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Locate a Block
*
* If it is possible to seek in the .xz file, it is possible to parse
* the Index field(s) and use lzma_index_iter_locate() to do random-access
* reading with granularity of Block size.
*
* \param iter Iterator that was earlier initialized with
* lzma_index_iter_init().
* \param target Uncompressed target offset which the caller would
* like to locate from the Stream
*
* If the target is smaller than the uncompressed size of the Stream (can be
* checked with lzma_index_uncompressed_size()):
* - Information about the Stream and Block containing the requested
* uncompressed offset is stored into *iter.
* - Internal state of the iterator is adjusted so that
* lzma_index_iter_next() can be used to read subsequent Blocks or Streams.
* - This function returns false.
*
* If target is greater than the uncompressed size of the Stream, *iter
* is not modified, and this function returns true.
*/
extern LZMA_API(lzma_bool) lzma_index_iter_locate(
lzma_index_iter *iter, lzma_vli target) lzma_nothrow;
/**
* \brief Concatenate lzma_indexes
*
* Concatenating lzma_indexes is useful when doing random-access reading in
* multi-Stream .xz file, or when combining multiple Streams into single
* Stream.
*
* \param dest lzma_index after which src is appended
* \param src lzma_index to be appended after dest. If this
* function succeeds, the memory allocated for src
* is freed or moved to be part of dest, and all
* iterators pointing to src will become invalid.
* \param allocator Custom memory allocator; can be NULL to use
* malloc() and free().
*
* \return - LZMA_OK: lzma_indexes were concatenated successfully.
* src is now a dangling pointer.
* - LZMA_DATA_ERROR: *dest would grow too big.
* - LZMA_MEM_ERROR
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_index_cat(lzma_index *dest, lzma_index *src,
const lzma_allocator *allocator)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Duplicate lzma_index
*
* \return A copy of the lzma_index, or NULL if memory allocation failed.
*/
extern LZMA_API(lzma_index *) lzma_index_dup(
const lzma_index *i, const lzma_allocator *allocator)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Initialize .xz Index encoder
*
* \param strm Pointer to properly prepared lzma_stream
* \param i Pointer to lzma_index which should be encoded.
*
* The valid `action' values for lzma_code() are LZMA_RUN and LZMA_FINISH.
* It is enough to use only one of them (you can choose freely).
*
* \return - LZMA_OK: Initialization succeeded, continue with lzma_code().
* - LZMA_MEM_ERROR
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_index_encoder(
lzma_stream *strm, const lzma_index *i)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Initialize .xz Index decoder
*
* \param strm Pointer to properly prepared lzma_stream
* \param i The decoded Index will be made available via
* this pointer. Initially this function will
* set *i to NULL (the old value is ignored). If
* decoding succeeds (lzma_code() returns
* LZMA_STREAM_END), *i will be set to point
* to a new lzma_index, which the application
* has to later free with lzma_index_end().
* \param memlimit How much memory the resulting lzma_index is
* allowed to require. liblzma 5.2.3 and earlier
* don't allow 0 here and return LZMA_PROG_ERROR;
* later versions treat 0 as if 1 had been specified.
*
* Valid `action' arguments to lzma_code() are LZMA_RUN and LZMA_FINISH.
* There is no need to use LZMA_FINISH, but it's allowed because it may
* simplify certain types of applications.
*
* \return - LZMA_OK: Initialization succeeded, continue with lzma_code().
* - LZMA_MEM_ERROR
* - LZMA_PROG_ERROR
*
* liblzma 5.2.3 and older list also LZMA_MEMLIMIT_ERROR here
* but that error code has never been possible from this
* initialization function.
*/
extern LZMA_API(lzma_ret) lzma_index_decoder(
lzma_stream *strm, lzma_index **i, uint64_t memlimit)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Single-call .xz Index encoder
*
* \param i lzma_index to be encoded
* \param out Beginning of the output buffer
* \param out_pos The next byte will be written to out[*out_pos].
* *out_pos is updated only if encoding succeeds.
* \param out_size Size of the out buffer; the first byte into
* which no data is written to is out[out_size].
*
* \return - LZMA_OK: Encoding was successful.
* - LZMA_BUF_ERROR: Output buffer is too small. Use
* lzma_index_size() to find out how much output
* space is needed.
* - LZMA_PROG_ERROR
*
* \note This function doesn't take allocator argument since all
* the internal data is allocated on stack.
*/
extern LZMA_API(lzma_ret) lzma_index_buffer_encode(const lzma_index *i,
uint8_t *out, size_t *out_pos, size_t out_size) lzma_nothrow;
/**
* \brief Single-call .xz Index decoder
*
* \param i If decoding succeeds, *i will point to a new
* lzma_index, which the application has to
* later free with lzma_index_end(). If an error
* occurs, *i will be NULL. The old value of *i
* is always ignored and thus doesn't need to be
* initialized by the caller.
* \param memlimit Pointer to how much memory the resulting
* lzma_index is allowed to require. The value
* pointed by this pointer is modified if and only
* if LZMA_MEMLIMIT_ERROR is returned.
* \param allocator Pointer to lzma_allocator, or NULL to use malloc()
* \param in Beginning of the input buffer
* \param in_pos The next byte will be read from in[*in_pos].
* *in_pos is updated only if decoding succeeds.
* \param in_size Size of the input buffer; the first byte that
* won't be read is in[in_size].
*
* \return - LZMA_OK: Decoding was successful.
* - LZMA_MEM_ERROR
* - LZMA_MEMLIMIT_ERROR: Memory usage limit was reached.
* The minimum required memlimit value was stored to *memlimit.
* - LZMA_DATA_ERROR
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_index_buffer_decode(lzma_index **i,
uint64_t *memlimit, const lzma_allocator *allocator,
const uint8_t *in, size_t *in_pos, size_t in_size)
lzma_nothrow;

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/**
* \file lzma/index_hash.h
* \brief Validate Index by using a hash function
*
* Hashing makes it possible to use constant amount of memory to validate
* Index of arbitrary size.
*/
/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/
#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif
/**
* \brief Opaque data type to hold the Index hash
*/
typedef struct lzma_index_hash_s lzma_index_hash;
/**
* \brief Allocate and initialize a new lzma_index_hash structure
*
* If index_hash is NULL, a new lzma_index_hash structure is allocated,
* initialized, and a pointer to it returned. If allocation fails, NULL
* is returned.
*
* If index_hash is non-NULL, it is reinitialized and the same pointer
* returned. In this case, return value cannot be NULL or a different
* pointer than the index_hash that was given as an argument.
*/
extern LZMA_API(lzma_index_hash *) lzma_index_hash_init(
lzma_index_hash *index_hash, const lzma_allocator *allocator)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Deallocate lzma_index_hash structure
*/
extern LZMA_API(void) lzma_index_hash_end(
lzma_index_hash *index_hash, const lzma_allocator *allocator)
lzma_nothrow;
/**
* \brief Add a new Record to an Index hash
*
* \param index Pointer to a lzma_index_hash structure
* \param unpadded_size Unpadded Size of a Block
* \param uncompressed_size Uncompressed Size of a Block
*
* \return - LZMA_OK
* - LZMA_DATA_ERROR: Compressed or uncompressed size of the
* Stream or size of the Index field would grow too big.
* - LZMA_PROG_ERROR: Invalid arguments or this function is being
* used when lzma_index_hash_decode() has already been used.
*/
extern LZMA_API(lzma_ret) lzma_index_hash_append(lzma_index_hash *index_hash,
lzma_vli unpadded_size, lzma_vli uncompressed_size)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Decode and validate the Index field
*
* After telling the sizes of all Blocks with lzma_index_hash_append(),
* the actual Index field is decoded with this function. Specifically,
* once decoding of the Index field has been started, no more Records
* can be added using lzma_index_hash_append().
*
* This function doesn't use lzma_stream structure to pass the input data.
* Instead, the input buffer is specified using three arguments. This is
* because it matches better the internal APIs of liblzma.
*
* \param index_hash Pointer to a lzma_index_hash structure
* \param in Pointer to the beginning of the input buffer
* \param in_pos in[*in_pos] is the next byte to process
* \param in_size in[in_size] is the first byte not to process
*
* \return - LZMA_OK: So far good, but more input is needed.
* - LZMA_STREAM_END: Index decoded successfully and it matches
* the Records given with lzma_index_hash_append().
* - LZMA_DATA_ERROR: Index is corrupt or doesn't match the
* information given with lzma_index_hash_append().
* - LZMA_BUF_ERROR: Cannot progress because *in_pos >= in_size.
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_index_hash_decode(lzma_index_hash *index_hash,
const uint8_t *in, size_t *in_pos, size_t in_size)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Get the size of the Index field as bytes
*
* This is needed to verify the Backward Size field in the Stream Footer.
*/
extern LZMA_API(lzma_vli) lzma_index_hash_size(
const lzma_index_hash *index_hash)
lzma_nothrow lzma_attr_pure;

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/**
* \file lzma/lzma12.h
* \brief LZMA1 and LZMA2 filters
*/
/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/
#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif
/**
* \brief LZMA1 Filter ID
*
* LZMA1 is the very same thing as what was called just LZMA in LZMA Utils,
* 7-Zip, and LZMA SDK. It's called LZMA1 here to prevent developers from
* accidentally using LZMA when they actually want LZMA2.
*
* LZMA1 shouldn't be used for new applications unless you _really_ know
* what you are doing. LZMA2 is almost always a better choice.
*/
#define LZMA_FILTER_LZMA1 LZMA_VLI_C(0x4000000000000001)
/**
* \brief LZMA2 Filter ID
*
* Usually you want this instead of LZMA1. Compared to LZMA1, LZMA2 adds
* support for LZMA_SYNC_FLUSH, uncompressed chunks (smaller expansion
* when trying to compress uncompressible data), possibility to change
* lc/lp/pb in the middle of encoding, and some other internal improvements.
*/
#define LZMA_FILTER_LZMA2 LZMA_VLI_C(0x21)
/**
* \brief Match finders
*
* Match finder has major effect on both speed and compression ratio.
* Usually hash chains are faster than binary trees.
*
* If you will use LZMA_SYNC_FLUSH often, the hash chains may be a better
* choice, because binary trees get much higher compression ratio penalty
* with LZMA_SYNC_FLUSH.
*
* The memory usage formulas are only rough estimates, which are closest to
* reality when dict_size is a power of two. The formulas are more complex
* in reality, and can also change a little between liblzma versions. Use
* lzma_raw_encoder_memusage() to get more accurate estimate of memory usage.
*/
typedef enum {
LZMA_MF_HC3 = 0x03,
/**<
* \brief Hash Chain with 2- and 3-byte hashing
*
* Minimum nice_len: 3
*
* Memory usage:
* - dict_size <= 16 MiB: dict_size * 7.5
* - dict_size > 16 MiB: dict_size * 5.5 + 64 MiB
*/
LZMA_MF_HC4 = 0x04,
/**<
* \brief Hash Chain with 2-, 3-, and 4-byte hashing
*
* Minimum nice_len: 4
*
* Memory usage:
* - dict_size <= 32 MiB: dict_size * 7.5
* - dict_size > 32 MiB: dict_size * 6.5
*/
LZMA_MF_BT2 = 0x12,
/**<
* \brief Binary Tree with 2-byte hashing
*
* Minimum nice_len: 2
*
* Memory usage: dict_size * 9.5
*/
LZMA_MF_BT3 = 0x13,
/**<
* \brief Binary Tree with 2- and 3-byte hashing
*
* Minimum nice_len: 3
*
* Memory usage:
* - dict_size <= 16 MiB: dict_size * 11.5
* - dict_size > 16 MiB: dict_size * 9.5 + 64 MiB
*/
LZMA_MF_BT4 = 0x14
/**<
* \brief Binary Tree with 2-, 3-, and 4-byte hashing
*
* Minimum nice_len: 4
*
* Memory usage:
* - dict_size <= 32 MiB: dict_size * 11.5
* - dict_size > 32 MiB: dict_size * 10.5
*/
} lzma_match_finder;
/**
* \brief Test if given match finder is supported
*
* Return true if the given match finder is supported by this liblzma build.
* Otherwise false is returned. It is safe to call this with a value that
* isn't listed in lzma_match_finder enumeration; the return value will be
* false.
*
* There is no way to list which match finders are available in this
* particular liblzma version and build. It would be useless, because
* a new match finder, which the application developer wasn't aware,
* could require giving additional options to the encoder that the older
* match finders don't need.
*/
extern LZMA_API(lzma_bool) lzma_mf_is_supported(lzma_match_finder match_finder)
lzma_nothrow lzma_attr_const;
/**
* \brief Compression modes
*
* This selects the function used to analyze the data produced by the match
* finder.
*/
typedef enum {
LZMA_MODE_FAST = 1,
/**<
* \brief Fast compression
*
* Fast mode is usually at its best when combined with
* a hash chain match finder.
*/
LZMA_MODE_NORMAL = 2
/**<
* \brief Normal compression
*
* This is usually notably slower than fast mode. Use this
* together with binary tree match finders to expose the
* full potential of the LZMA1 or LZMA2 encoder.
*/
} lzma_mode;
/**
* \brief Test if given compression mode is supported
*
* Return true if the given compression mode is supported by this liblzma
* build. Otherwise false is returned. It is safe to call this with a value
* that isn't listed in lzma_mode enumeration; the return value will be false.
*
* There is no way to list which modes are available in this particular
* liblzma version and build. It would be useless, because a new compression
* mode, which the application developer wasn't aware, could require giving
* additional options to the encoder that the older modes don't need.
*/
extern LZMA_API(lzma_bool) lzma_mode_is_supported(lzma_mode mode)
lzma_nothrow lzma_attr_const;
/**
* \brief Options specific to the LZMA1 and LZMA2 filters
*
* Since LZMA1 and LZMA2 share most of the code, it's simplest to share
* the options structure too. For encoding, all but the reserved variables
* need to be initialized unless specifically mentioned otherwise.
* lzma_lzma_preset() can be used to get a good starting point.
*
* For raw decoding, both LZMA1 and LZMA2 need dict_size, preset_dict, and
* preset_dict_size (if preset_dict != NULL). LZMA1 needs also lc, lp, and pb.
*/
typedef struct {
/**
* \brief Dictionary size in bytes
*
* Dictionary size indicates how many bytes of the recently processed
* uncompressed data is kept in memory. One method to reduce size of
* the uncompressed data is to store distance-length pairs, which
* indicate what data to repeat from the dictionary buffer. Thus,
* the bigger the dictionary, the better the compression ratio
* usually is.
*
* Maximum size of the dictionary depends on multiple things:
* - Memory usage limit
* - Available address space (not a problem on 64-bit systems)
* - Selected match finder (encoder only)
*
* Currently the maximum dictionary size for encoding is 1.5 GiB
* (i.e. (UINT32_C(1) << 30) + (UINT32_C(1) << 29)) even on 64-bit
* systems for certain match finder implementation reasons. In the
* future, there may be match finders that support bigger
* dictionaries.
*
* Decoder already supports dictionaries up to 4 GiB - 1 B (i.e.
* UINT32_MAX), so increasing the maximum dictionary size of the
* encoder won't cause problems for old decoders.
*
* Because extremely small dictionaries sizes would have unneeded
* overhead in the decoder, the minimum dictionary size is 4096 bytes.
*
* \note When decoding, too big dictionary does no other harm
* than wasting memory.
*/
uint32_t dict_size;
# define LZMA_DICT_SIZE_MIN UINT32_C(4096)
# define LZMA_DICT_SIZE_DEFAULT (UINT32_C(1) << 23)
/**
* \brief Pointer to an initial dictionary
*
* It is possible to initialize the LZ77 history window using
* a preset dictionary. It is useful when compressing many
* similar, relatively small chunks of data independently from
* each other. The preset dictionary should contain typical
* strings that occur in the files being compressed. The most
* probable strings should be near the end of the preset dictionary.
*
* This feature should be used only in special situations. For
* now, it works correctly only with raw encoding and decoding.
* Currently none of the container formats supported by
* liblzma allow preset dictionary when decoding, thus if
* you create a .xz or .lzma file with preset dictionary, it
* cannot be decoded with the regular decoder functions. In the
* future, the .xz format will likely get support for preset
* dictionary though.
*/
const uint8_t *preset_dict;
/**
* \brief Size of the preset dictionary
*
* Specifies the size of the preset dictionary. If the size is
* bigger than dict_size, only the last dict_size bytes are
* processed.
*
* This variable is read only when preset_dict is not NULL.
* If preset_dict is not NULL but preset_dict_size is zero,
* no preset dictionary is used (identical to only setting
* preset_dict to NULL).
*/
uint32_t preset_dict_size;
/**
* \brief Number of literal context bits
*
* How many of the highest bits of the previous uncompressed
* eight-bit byte (also known as `literal') are taken into
* account when predicting the bits of the next literal.
*
* E.g. in typical English text, an upper-case letter is
* often followed by a lower-case letter, and a lower-case
* letter is usually followed by another lower-case letter.
* In the US-ASCII character set, the highest three bits are 010
* for upper-case letters and 011 for lower-case letters.
* When lc is at least 3, the literal coding can take advantage of
* this property in the uncompressed data.
*
* There is a limit that applies to literal context bits and literal
* position bits together: lc + lp <= 4. Without this limit the
* decoding could become very slow, which could have security related
* results in some cases like email servers doing virus scanning.
* This limit also simplifies the internal implementation in liblzma.
*
* There may be LZMA1 streams that have lc + lp > 4 (maximum possible
* lc would be 8). It is not possible to decode such streams with
* liblzma.
*/
uint32_t lc;
# define LZMA_LCLP_MIN 0
# define LZMA_LCLP_MAX 4
# define LZMA_LC_DEFAULT 3
/**
* \brief Number of literal position bits
*
* lp affects what kind of alignment in the uncompressed data is
* assumed when encoding literals. A literal is a single 8-bit byte.
* See pb below for more information about alignment.
*/
uint32_t lp;
# define LZMA_LP_DEFAULT 0
/**
* \brief Number of position bits
*
* pb affects what kind of alignment in the uncompressed data is
* assumed in general. The default means four-byte alignment
* (2^ pb =2^2=4), which is often a good choice when there's
* no better guess.
*
* When the aligment is known, setting pb accordingly may reduce
* the file size a little. E.g. with text files having one-byte
* alignment (US-ASCII, ISO-8859-*, UTF-8), setting pb=0 can
* improve compression slightly. For UTF-16 text, pb=1 is a good
* choice. If the alignment is an odd number like 3 bytes, pb=0
* might be the best choice.
*
* Even though the assumed alignment can be adjusted with pb and
* lp, LZMA1 and LZMA2 still slightly favor 16-byte alignment.
* It might be worth taking into account when designing file formats
* that are likely to be often compressed with LZMA1 or LZMA2.
*/
uint32_t pb;
# define LZMA_PB_MIN 0
# define LZMA_PB_MAX 4
# define LZMA_PB_DEFAULT 2
/** Compression mode */
lzma_mode mode;
/**
* \brief Nice length of a match
*
* This determines how many bytes the encoder compares from the match
* candidates when looking for the best match. Once a match of at
* least nice_len bytes long is found, the encoder stops looking for
* better candidates and encodes the match. (Naturally, if the found
* match is actually longer than nice_len, the actual length is
* encoded; it's not truncated to nice_len.)
*
* Bigger values usually increase the compression ratio and
* compression time. For most files, 32 to 128 is a good value,
* which gives very good compression ratio at good speed.
*
* The exact minimum value depends on the match finder. The maximum
* is 273, which is the maximum length of a match that LZMA1 and
* LZMA2 can encode.
*/
uint32_t nice_len;
/** Match finder ID */
lzma_match_finder mf;
/**
* \brief Maximum search depth in the match finder
*
* For every input byte, match finder searches through the hash chain
* or binary tree in a loop, each iteration going one step deeper in
* the chain or tree. The searching stops if
* - a match of at least nice_len bytes long is found;
* - all match candidates from the hash chain or binary tree have
* been checked; or
* - maximum search depth is reached.
*
* Maximum search depth is needed to prevent the match finder from
* wasting too much time in case there are lots of short match
* candidates. On the other hand, stopping the search before all
* candidates have been checked can reduce compression ratio.
*
* Setting depth to zero tells liblzma to use an automatic default
* value, that depends on the selected match finder and nice_len.
* The default is in the range [4, 200] or so (it may vary between
* liblzma versions).
*
* Using a bigger depth value than the default can increase
* compression ratio in some cases. There is no strict maximum value,
* but high values (thousands or millions) should be used with care:
* the encoder could remain fast enough with typical input, but
* malicious input could cause the match finder to slow down
* dramatically, possibly creating a denial of service attack.
*/
uint32_t depth;
/*
* Reserved space to allow possible future extensions without
* breaking the ABI. You should not touch these, because the names
* of these variables may change. These are and will never be used
* with the currently supported options, so it is safe to leave these
* uninitialized.
*/
uint32_t reserved_int1;
uint32_t reserved_int2;
uint32_t reserved_int3;
uint32_t reserved_int4;
uint32_t reserved_int5;
uint32_t reserved_int6;
uint32_t reserved_int7;
uint32_t reserved_int8;
lzma_reserved_enum reserved_enum1;
lzma_reserved_enum reserved_enum2;
lzma_reserved_enum reserved_enum3;
lzma_reserved_enum reserved_enum4;
void *reserved_ptr1;
void *reserved_ptr2;
} lzma_options_lzma;
/**
* \brief Set a compression preset to lzma_options_lzma structure
*
* 0 is the fastest and 9 is the slowest. These match the switches -0 .. -9
* of the xz command line tool. In addition, it is possible to bitwise-or
* flags to the preset. Currently only LZMA_PRESET_EXTREME is supported.
* The flags are defined in container.h, because the flags are used also
* with lzma_easy_encoder().
*
* The preset values are subject to changes between liblzma versions.
*
* This function is available only if LZMA1 or LZMA2 encoder has been enabled
* when building liblzma.
*
* \return On success, false is returned. If the preset is not
* supported, true is returned.
*/
extern LZMA_API(lzma_bool) lzma_lzma_preset(
lzma_options_lzma *options, uint32_t preset) lzma_nothrow;

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/**
* \file lzma/stream_flags.h
* \brief .xz Stream Header and Stream Footer encoder and decoder
*/
/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/
#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif
/**
* \brief Size of Stream Header and Stream Footer
*
* Stream Header and Stream Footer have the same size and they are not
* going to change even if a newer version of the .xz file format is
* developed in future.
*/
#define LZMA_STREAM_HEADER_SIZE 12
/**
* \brief Options for encoding/decoding Stream Header and Stream Footer
*/
typedef struct {
/**
* \brief Stream Flags format version
*
* To prevent API and ABI breakages if new features are needed in
* Stream Header or Stream Footer, a version number is used to
* indicate which fields in this structure are in use. For now,
* version must always be zero. With non-zero version, the
* lzma_stream_header_encode() and lzma_stream_footer_encode()
* will return LZMA_OPTIONS_ERROR.
*
* lzma_stream_header_decode() and lzma_stream_footer_decode()
* will always set this to the lowest value that supports all the
* features indicated by the Stream Flags field. The application
* must check that the version number set by the decoding functions
* is supported by the application. Otherwise it is possible that
* the application will decode the Stream incorrectly.
*/
uint32_t version;
/**
* \brief Backward Size
*
* Backward Size must be a multiple of four bytes. In this Stream
* format version, Backward Size is the size of the Index field.
*
* Backward Size isn't actually part of the Stream Flags field, but
* it is convenient to include in this structure anyway. Backward
* Size is present only in the Stream Footer. There is no need to
* initialize backward_size when encoding Stream Header.
*
* lzma_stream_header_decode() always sets backward_size to
* LZMA_VLI_UNKNOWN so that it is convenient to use
* lzma_stream_flags_compare() when both Stream Header and Stream
* Footer have been decoded.
*/
lzma_vli backward_size;
# define LZMA_BACKWARD_SIZE_MIN 4
# define LZMA_BACKWARD_SIZE_MAX (LZMA_VLI_C(1) << 34)
/**
* \brief Check ID
*
* This indicates the type of the integrity check calculated from
* uncompressed data.
*/
lzma_check check;
/*
* Reserved space to allow possible future extensions without
* breaking the ABI. You should not touch these, because the
* names of these variables may change.
*
* (We will never be able to use all of these since Stream Flags
* is just two bytes plus Backward Size of four bytes. But it's
* nice to have the proper types when they are needed.)
*/
lzma_reserved_enum reserved_enum1;
lzma_reserved_enum reserved_enum2;
lzma_reserved_enum reserved_enum3;
lzma_reserved_enum reserved_enum4;
lzma_bool reserved_bool1;
lzma_bool reserved_bool2;
lzma_bool reserved_bool3;
lzma_bool reserved_bool4;
lzma_bool reserved_bool5;
lzma_bool reserved_bool6;
lzma_bool reserved_bool7;
lzma_bool reserved_bool8;
uint32_t reserved_int1;
uint32_t reserved_int2;
} lzma_stream_flags;
/**
* \brief Encode Stream Header
*
* \param options Stream Header options to be encoded.
* options->backward_size is ignored and doesn't
* need to be initialized.
* \param out Beginning of the output buffer of
* LZMA_STREAM_HEADER_SIZE bytes.
*
* \return - LZMA_OK: Encoding was successful.
* - LZMA_OPTIONS_ERROR: options->version is not supported by
* this liblzma version.
* - LZMA_PROG_ERROR: Invalid options.
*/
extern LZMA_API(lzma_ret) lzma_stream_header_encode(
const lzma_stream_flags *options, uint8_t *out)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Encode Stream Footer
*
* \param options Stream Footer options to be encoded.
* \param out Beginning of the output buffer of
* LZMA_STREAM_HEADER_SIZE bytes.
*
* \return - LZMA_OK: Encoding was successful.
* - LZMA_OPTIONS_ERROR: options->version is not supported by
* this liblzma version.
* - LZMA_PROG_ERROR: Invalid options.
*/
extern LZMA_API(lzma_ret) lzma_stream_footer_encode(
const lzma_stream_flags *options, uint8_t *out)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Decode Stream Header
*
* \param options Target for the decoded Stream Header options.
* \param in Beginning of the input buffer of
* LZMA_STREAM_HEADER_SIZE bytes.
*
* options->backward_size is always set to LZMA_VLI_UNKNOWN. This is to
* help comparing Stream Flags from Stream Header and Stream Footer with
* lzma_stream_flags_compare().
*
* \return - LZMA_OK: Decoding was successful.
* - LZMA_FORMAT_ERROR: Magic bytes don't match, thus the given
* buffer cannot be Stream Header.
* - LZMA_DATA_ERROR: CRC32 doesn't match, thus the header
* is corrupt.
* - LZMA_OPTIONS_ERROR: Unsupported options are present
* in the header.
*
* \note When decoding .xz files that contain multiple Streams, it may
* make sense to print "file format not recognized" only if
* decoding of the Stream Header of the _first_ Stream gives
* LZMA_FORMAT_ERROR. If non-first Stream Header gives
* LZMA_FORMAT_ERROR, the message used for LZMA_DATA_ERROR is
* probably more appropriate.
*
* For example, Stream decoder in liblzma uses LZMA_DATA_ERROR if
* LZMA_FORMAT_ERROR is returned by lzma_stream_header_decode()
* when decoding non-first Stream.
*/
extern LZMA_API(lzma_ret) lzma_stream_header_decode(
lzma_stream_flags *options, const uint8_t *in)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Decode Stream Footer
*
* \param options Target for the decoded Stream Header options.
* \param in Beginning of the input buffer of
* LZMA_STREAM_HEADER_SIZE bytes.
*
* \return - LZMA_OK: Decoding was successful.
* - LZMA_FORMAT_ERROR: Magic bytes don't match, thus the given
* buffer cannot be Stream Footer.
* - LZMA_DATA_ERROR: CRC32 doesn't match, thus the Stream Footer
* is corrupt.
* - LZMA_OPTIONS_ERROR: Unsupported options are present
* in Stream Footer.
*
* \note If Stream Header was already decoded successfully, but
* decoding Stream Footer returns LZMA_FORMAT_ERROR, the
* application should probably report some other error message
* than "file format not recognized", since the file more likely
* is corrupt (possibly truncated). Stream decoder in liblzma
* uses LZMA_DATA_ERROR in this situation.
*/
extern LZMA_API(lzma_ret) lzma_stream_footer_decode(
lzma_stream_flags *options, const uint8_t *in)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Compare two lzma_stream_flags structures
*
* backward_size values are compared only if both are not
* LZMA_VLI_UNKNOWN.
*
* \return - LZMA_OK: Both are equal. If either had backward_size set
* to LZMA_VLI_UNKNOWN, backward_size values were not
* compared or validated.
* - LZMA_DATA_ERROR: The structures differ.
* - LZMA_OPTIONS_ERROR: version in either structure is greater
* than the maximum supported version (currently zero).
* - LZMA_PROG_ERROR: Invalid value, e.g. invalid check or
* backward_size.
*/
extern LZMA_API(lzma_ret) lzma_stream_flags_compare(
const lzma_stream_flags *a, const lzma_stream_flags *b)
lzma_nothrow lzma_attr_pure;

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/**
* \file lzma/version.h
* \brief Version number
*/
/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/
#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif
/*
* Version number split into components
*/
#define LZMA_VERSION_MAJOR 5
#define LZMA_VERSION_MINOR 2
#define LZMA_VERSION_PATCH 4
#define LZMA_VERSION_STABILITY LZMA_VERSION_STABILITY_STABLE
#ifndef LZMA_VERSION_COMMIT
# define LZMA_VERSION_COMMIT ""
#endif
/*
* Map symbolic stability levels to integers.
*/
#define LZMA_VERSION_STABILITY_ALPHA 0
#define LZMA_VERSION_STABILITY_BETA 1
#define LZMA_VERSION_STABILITY_STABLE 2
/**
* \brief Compile-time version number
*
* The version number is of format xyyyzzzs where
* - x = major
* - yyy = minor
* - zzz = revision
* - s indicates stability: 0 = alpha, 1 = beta, 2 = stable
*
* The same xyyyzzz triplet is never reused with different stability levels.
* For example, if 5.1.0alpha has been released, there will never be 5.1.0beta
* or 5.1.0 stable.
*
* \note The version number of liblzma has nothing to with
* the version number of Igor Pavlov's LZMA SDK.
*/
#define LZMA_VERSION (LZMA_VERSION_MAJOR * UINT32_C(10000000) \
+ LZMA_VERSION_MINOR * UINT32_C(10000) \
+ LZMA_VERSION_PATCH * UINT32_C(10) \
+ LZMA_VERSION_STABILITY)
/*
* Macros to construct the compile-time version string
*/
#if LZMA_VERSION_STABILITY == LZMA_VERSION_STABILITY_ALPHA
# define LZMA_VERSION_STABILITY_STRING "alpha"
#elif LZMA_VERSION_STABILITY == LZMA_VERSION_STABILITY_BETA
# define LZMA_VERSION_STABILITY_STRING "beta"
#elif LZMA_VERSION_STABILITY == LZMA_VERSION_STABILITY_STABLE
# define LZMA_VERSION_STABILITY_STRING ""
#else
# error Incorrect LZMA_VERSION_STABILITY
#endif
#define LZMA_VERSION_STRING_C_(major, minor, patch, stability, commit) \
#major "." #minor "." #patch stability commit
#define LZMA_VERSION_STRING_C(major, minor, patch, stability, commit) \
LZMA_VERSION_STRING_C_(major, minor, patch, stability, commit)
/**
* \brief Compile-time version as a string
*
* This can be for example "4.999.5alpha", "4.999.8beta", or "5.0.0" (stable
* versions don't have any "stable" suffix). In future, a snapshot built
* from source code repository may include an additional suffix, for example
* "4.999.8beta-21-g1d92". The commit ID won't be available in numeric form
* in LZMA_VERSION macro.
*/
#define LZMA_VERSION_STRING LZMA_VERSION_STRING_C( \
LZMA_VERSION_MAJOR, LZMA_VERSION_MINOR, \
LZMA_VERSION_PATCH, LZMA_VERSION_STABILITY_STRING, \
LZMA_VERSION_COMMIT)
/* #ifndef is needed for use with windres (MinGW or Cygwin). */
#ifndef LZMA_H_INTERNAL_RC
/**
* \brief Run-time version number as an integer
*
* Return the value of LZMA_VERSION macro at the compile time of liblzma.
* This allows the application to compare if it was built against the same,
* older, or newer version of liblzma that is currently running.
*/
extern LZMA_API(uint32_t) lzma_version_number(void)
lzma_nothrow lzma_attr_const;
/**
* \brief Run-time version as a string
*
* This function may be useful if you want to display which version of
* liblzma your application is currently using.
*/
extern LZMA_API(const char *) lzma_version_string(void)
lzma_nothrow lzma_attr_const;
#endif

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/**
* \file lzma/vli.h
* \brief Variable-length integer handling
*
* In the .xz format, most integers are encoded in a variable-length
* representation, which is sometimes called little endian base-128 encoding.
* This saves space when smaller values are more likely than bigger values.
*
* The encoding scheme encodes seven bits to every byte, using minimum
* number of bytes required to represent the given value. Encodings that use
* non-minimum number of bytes are invalid, thus every integer has exactly
* one encoded representation. The maximum number of bits in a VLI is 63,
* thus the vli argument must be less than or equal to UINT64_MAX / 2. You
* should use LZMA_VLI_MAX for clarity.
*/
/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/
#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif
/**
* \brief Maximum supported value of a variable-length integer
*/
#define LZMA_VLI_MAX (UINT64_MAX / 2)
/**
* \brief VLI value to denote that the value is unknown
*/
#define LZMA_VLI_UNKNOWN UINT64_MAX
/**
* \brief Maximum supported encoded length of variable length integers
*/
#define LZMA_VLI_BYTES_MAX 9
/**
* \brief VLI constant suffix
*/
#define LZMA_VLI_C(n) UINT64_C(n)
/**
* \brief Variable-length integer type
*
* Valid VLI values are in the range [0, LZMA_VLI_MAX]. Unknown value is
* indicated with LZMA_VLI_UNKNOWN, which is the maximum value of the
* underlaying integer type.
*
* lzma_vli will be uint64_t for the foreseeable future. If a bigger size
* is needed in the future, it is guaranteed that 2 * LZMA_VLI_MAX will
* not overflow lzma_vli. This simplifies integer overflow detection.
*/
typedef uint64_t lzma_vli;
/**
* \brief Validate a variable-length integer
*
* This is useful to test that application has given acceptable values
* for example in the uncompressed_size and compressed_size variables.
*
* \return True if the integer is representable as VLI or if it
* indicates unknown value.
*/
#define lzma_vli_is_valid(vli) \
((vli) <= LZMA_VLI_MAX || (vli) == LZMA_VLI_UNKNOWN)
/**
* \brief Encode a variable-length integer
*
* This function has two modes: single-call and multi-call. Single-call mode
* encodes the whole integer at once; it is an error if the output buffer is
* too small. Multi-call mode saves the position in *vli_pos, and thus it is
* possible to continue encoding if the buffer becomes full before the whole
* integer has been encoded.
*
* \param vli Integer to be encoded
* \param vli_pos How many VLI-encoded bytes have already been written
* out. When starting to encode a new integer in
* multi-call mode, *vli_pos must be set to zero.
* To use single-call encoding, set vli_pos to NULL.
* \param out Beginning of the output buffer
* \param out_pos The next byte will be written to out[*out_pos].
* \param out_size Size of the out buffer; the first byte into
* which no data is written to is out[out_size].
*
* \return Slightly different return values are used in multi-call and
* single-call modes.
*
* Single-call (vli_pos == NULL):
* - LZMA_OK: Integer successfully encoded.
* - LZMA_PROG_ERROR: Arguments are not sane. This can be due
* to too little output space; single-call mode doesn't use
* LZMA_BUF_ERROR, since the application should have checked
* the encoded size with lzma_vli_size().
*
* Multi-call (vli_pos != NULL):
* - LZMA_OK: So far all OK, but the integer is not
* completely written out yet.
* - LZMA_STREAM_END: Integer successfully encoded.
* - LZMA_BUF_ERROR: No output space was provided.
* - LZMA_PROG_ERROR: Arguments are not sane.
*/
extern LZMA_API(lzma_ret) lzma_vli_encode(lzma_vli vli, size_t *vli_pos,
uint8_t *out, size_t *out_pos, size_t out_size) lzma_nothrow;
/**
* \brief Decode a variable-length integer
*
* Like lzma_vli_encode(), this function has single-call and multi-call modes.
*
* \param vli Pointer to decoded integer. The decoder will
* initialize it to zero when *vli_pos == 0, so
* application isn't required to initialize *vli.
* \param vli_pos How many bytes have already been decoded. When
* starting to decode a new integer in multi-call
* mode, *vli_pos must be initialized to zero. To
* use single-call decoding, set vli_pos to NULL.
* \param in Beginning of the input buffer
* \param in_pos The next byte will be read from in[*in_pos].
* \param in_size Size of the input buffer; the first byte that
* won't be read is in[in_size].
*
* \return Slightly different return values are used in multi-call and
* single-call modes.
*
* Single-call (vli_pos == NULL):
* - LZMA_OK: Integer successfully decoded.
* - LZMA_DATA_ERROR: Integer is corrupt. This includes hitting
* the end of the input buffer before the whole integer was
* decoded; providing no input at all will use LZMA_DATA_ERROR.
* - LZMA_PROG_ERROR: Arguments are not sane.
*
* Multi-call (vli_pos != NULL):
* - LZMA_OK: So far all OK, but the integer is not
* completely decoded yet.
* - LZMA_STREAM_END: Integer successfully decoded.
* - LZMA_DATA_ERROR: Integer is corrupt.
* - LZMA_BUF_ERROR: No input was provided.
* - LZMA_PROG_ERROR: Arguments are not sane.
*/
extern LZMA_API(lzma_ret) lzma_vli_decode(lzma_vli *vli, size_t *vli_pos,
const uint8_t *in, size_t *in_pos, size_t in_size)
lzma_nothrow;
/**
* \brief Get the number of bytes required to encode a VLI
*
* \return Number of bytes on success (1-9). If vli isn't valid,
* zero is returned.
*/
extern LZMA_API(uint32_t) lzma_vli_size(lzma_vli vli)
lzma_nothrow lzma_attr_pure;

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///////////////////////////////////////////////////////////////////////////////
//
/// \file check.c
/// \brief Single API to access different integrity checks
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "check.h"
extern LZMA_API(lzma_bool)
lzma_check_is_supported(lzma_check type)
{
if ((unsigned int)(type) > LZMA_CHECK_ID_MAX)
return false;
static const lzma_bool available_checks[LZMA_CHECK_ID_MAX + 1] = {
true, // LZMA_CHECK_NONE
#ifdef HAVE_CHECK_CRC32
true,
#else
false,
#endif
false, // Reserved
false, // Reserved
#ifdef HAVE_CHECK_CRC64
true,
#else
false,
#endif
false, // Reserved
false, // Reserved
false, // Reserved
false, // Reserved
false, // Reserved
#ifdef HAVE_CHECK_SHA256
true,
#else
false,
#endif
false, // Reserved
false, // Reserved
false, // Reserved
false, // Reserved
false, // Reserved
};
return available_checks[(unsigned int)(type)];
}
extern LZMA_API(uint32_t)
lzma_check_size(lzma_check type)
{
if ((unsigned int)(type) > LZMA_CHECK_ID_MAX)
return UINT32_MAX;
// See file-format.txt section 2.1.1.2.
static const uint8_t check_sizes[LZMA_CHECK_ID_MAX + 1] = {
0,
4, 4, 4,
8, 8, 8,
16, 16, 16,
32, 32, 32,
64, 64, 64
};
return check_sizes[(unsigned int)(type)];
}
extern void
lzma_check_init(lzma_check_state *check, lzma_check type)
{
switch (type) {
case LZMA_CHECK_NONE:
break;
#ifdef HAVE_CHECK_CRC32
case LZMA_CHECK_CRC32:
check->state.crc32 = 0;
break;
#endif
#ifdef HAVE_CHECK_CRC64
case LZMA_CHECK_CRC64:
check->state.crc64 = 0;
break;
#endif
#ifdef HAVE_CHECK_SHA256
case LZMA_CHECK_SHA256:
lzma_sha256_init(check);
break;
#endif
default:
break;
}
return;
}
extern void
lzma_check_update(lzma_check_state *check, lzma_check type,
const uint8_t *buf, size_t size)
{
switch (type) {
#ifdef HAVE_CHECK_CRC32
case LZMA_CHECK_CRC32:
check->state.crc32 = lzma_crc32(buf, size, check->state.crc32);
break;
#endif
#ifdef HAVE_CHECK_CRC64
case LZMA_CHECK_CRC64:
check->state.crc64 = lzma_crc64(buf, size, check->state.crc64);
break;
#endif
#ifdef HAVE_CHECK_SHA256
case LZMA_CHECK_SHA256:
lzma_sha256_update(buf, size, check);
break;
#endif
default:
break;
}
return;
}
extern void
lzma_check_finish(lzma_check_state *check, lzma_check type)
{
switch (type) {
#ifdef HAVE_CHECK_CRC32
case LZMA_CHECK_CRC32:
check->buffer.u32[0] = conv32le(check->state.crc32);
break;
#endif
#ifdef HAVE_CHECK_CRC64
case LZMA_CHECK_CRC64:
check->buffer.u64[0] = conv64le(check->state.crc64);
break;
#endif
#ifdef HAVE_CHECK_SHA256
case LZMA_CHECK_SHA256:
lzma_sha256_finish(check);
break;
#endif
default:
break;
}
return;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file check.h
/// \brief Internal API to different integrity check functions
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef LZMA_CHECK_H
#define LZMA_CHECK_H
#include "common.h"
// If the function for external SHA-256 is missing, use the internal SHA-256
// code. Due to how configure works, these defines can only get defined when
// both a usable header and a type have already been found.
#if !(defined(HAVE_CC_SHA256_INIT) \
|| defined(HAVE_SHA256_INIT) \
|| defined(HAVE_SHA256INIT))
# define HAVE_INTERNAL_SHA256 1
#endif
#if defined(HAVE_INTERNAL_SHA256)
// Nothing
#elif defined(HAVE_COMMONCRYPTO_COMMONDIGEST_H)
# include <CommonCrypto/CommonDigest.h>
#elif defined(HAVE_SHA256_H)
# include <sys/types.h>
# include <sha256.h>
#elif defined(HAVE_SHA2_H)
# include <sys/types.h>
# include <sha2.h>
#endif
#if defined(HAVE_INTERNAL_SHA256)
/// State for the internal SHA-256 implementation
typedef struct {
/// Internal state
uint32_t state[8];
/// Size of the message excluding padding
uint64_t size;
} lzma_sha256_state;
#elif defined(HAVE_CC_SHA256_CTX)
typedef CC_SHA256_CTX lzma_sha256_state;
#elif defined(HAVE_SHA256_CTX)
typedef SHA256_CTX lzma_sha256_state;
#elif defined(HAVE_SHA2_CTX)
typedef SHA2_CTX lzma_sha256_state;
#endif
#if defined(HAVE_INTERNAL_SHA256)
// Nothing
#elif defined(HAVE_CC_SHA256_INIT)
# define LZMA_SHA256FUNC(x) CC_SHA256_ ## x
#elif defined(HAVE_SHA256_INIT)
# define LZMA_SHA256FUNC(x) SHA256_ ## x
#elif defined(HAVE_SHA256INIT)
# define LZMA_SHA256FUNC(x) SHA256 ## x
#endif
// Index hashing needs the best possible hash function (preferably
// a cryptographic hash) for maximum reliability.
#if defined(HAVE_CHECK_SHA256)
# define LZMA_CHECK_BEST LZMA_CHECK_SHA256
#elif defined(HAVE_CHECK_CRC64)
# define LZMA_CHECK_BEST LZMA_CHECK_CRC64
#else
# define LZMA_CHECK_BEST LZMA_CHECK_CRC32
#endif
/// \brief Structure to hold internal state of the check being calculated
///
/// \note This is not in the public API because this structure may
/// change in future if new integrity check algorithms are added.
typedef struct {
/// Buffer to hold the final result and a temporary buffer for SHA256.
union {
uint8_t u8[64];
uint32_t u32[16];
uint64_t u64[8];
} buffer;
/// Check-specific data
union {
uint32_t crc32;
uint64_t crc64;
lzma_sha256_state sha256;
} state;
} lzma_check_state;
/// lzma_crc32_table[0] is needed by LZ encoder so we need to keep
/// the array two-dimensional.
#ifdef HAVE_SMALL
extern uint32_t lzma_crc32_table[1][256];
extern void lzma_crc32_init(void);
#else
extern const uint32_t lzma_crc32_table[8][256];
extern const uint64_t lzma_crc64_table[4][256];
#endif
/// \brief Initialize *check depending on type
///
/// \return LZMA_OK on success. LZMA_UNSUPPORTED_CHECK if the type is not
/// supported by the current version or build of liblzma.
/// LZMA_PROG_ERROR if type > LZMA_CHECK_ID_MAX.
extern void lzma_check_init(lzma_check_state *check, lzma_check type);
/// Update the check state
extern void lzma_check_update(lzma_check_state *check, lzma_check type,
const uint8_t *buf, size_t size);
/// Finish the check calculation and store the result to check->buffer.u8.
extern void lzma_check_finish(lzma_check_state *check, lzma_check type);
#ifndef LZMA_SHA256FUNC
/// Prepare SHA-256 state for new input.
extern void lzma_sha256_init(lzma_check_state *check);
/// Update the SHA-256 hash state
extern void lzma_sha256_update(
const uint8_t *buf, size_t size, lzma_check_state *check);
/// Finish the SHA-256 calculation and store the result to check->buffer.u8.
extern void lzma_sha256_finish(lzma_check_state *check);
#else
static inline void
lzma_sha256_init(lzma_check_state *check)
{
LZMA_SHA256FUNC(Init)(&check->state.sha256);
}
static inline void
lzma_sha256_update(const uint8_t *buf, size_t size, lzma_check_state *check)
{
#if defined(HAVE_CC_SHA256_INIT) && SIZE_MAX > UINT32_MAX
// Darwin's CC_SHA256_Update takes uint32_t as the buffer size,
// so use a loop to support size_t.
while (size > UINT32_MAX) {
LZMA_SHA256FUNC(Update)(&check->state.sha256, buf, UINT32_MAX);
buf += UINT32_MAX;
size -= UINT32_MAX;
}
#endif
LZMA_SHA256FUNC(Update)(&check->state.sha256, buf, size);
}
static inline void
lzma_sha256_finish(lzma_check_state *check)
{
LZMA_SHA256FUNC(Final)(check->buffer.u8, &check->state.sha256);
}
#endif
#endif

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///////////////////////////////////////////////////////////////////////////////
//
/// \file crc32.c
/// \brief CRC32 calculation
///
/// Calculate the CRC32 using the slice-by-eight algorithm.
/// It is explained in this document:
/// http://www.intel.com/technology/comms/perfnet/download/CRC_generators.pdf
/// The code in this file is not the same as in Intel's paper, but
/// the basic principle is identical.
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "check.h"
#include "crc_macros.h"
// If you make any changes, do some benchmarking! Seemingly unrelated
// changes can very easily ruin the performance (and very probably is
// very compiler dependent).
extern LZMA_API(uint32_t)
lzma_crc32(const uint8_t *buf, size_t size, uint32_t crc)
{
crc = ~crc;
#ifdef WORDS_BIGENDIAN
crc = bswap32(crc);
#endif
if (size > 8) {
// Fix the alignment, if needed. The if statement above
// ensures that this won't read past the end of buf[].
while ((uintptr_t)(buf) & 7) {
crc = lzma_crc32_table[0][*buf++ ^ A(crc)] ^ S8(crc);
--size;
}
// Calculate the position where to stop.
const uint8_t *const limit = buf + (size & ~(size_t)(7));
// Calculate how many bytes must be calculated separately
// before returning the result.
size &= (size_t)(7);
// Calculate the CRC32 using the slice-by-eight algorithm.
while (buf < limit) {
crc ^= *(const uint32_t *)(buf);
buf += 4;
crc = lzma_crc32_table[7][A(crc)]
^ lzma_crc32_table[6][B(crc)]
^ lzma_crc32_table[5][C(crc)]
^ lzma_crc32_table[4][D(crc)];
const uint32_t tmp = *(const uint32_t *)(buf);
buf += 4;
// At least with some compilers, it is critical for
// performance, that the crc variable is XORed
// between the two table-lookup pairs.
crc = lzma_crc32_table[3][A(tmp)]
^ lzma_crc32_table[2][B(tmp)]
^ crc
^ lzma_crc32_table[1][C(tmp)]
^ lzma_crc32_table[0][D(tmp)];
}
}
while (size-- != 0)
crc = lzma_crc32_table[0][*buf++ ^ A(crc)] ^ S8(crc);
#ifdef WORDS_BIGENDIAN
crc = bswap32(crc);
#endif
return ~crc;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file crc32_table.c
/// \brief Precalculated CRC32 table with correct endianness
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "common.h"
#ifdef WORDS_BIGENDIAN
# include "crc32_table_be.h"
#else
# include "crc32_table_le.h"
#endif

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/* This file has been automatically generated by crc32_tablegen.c. */
const uint32_t lzma_crc32_table[8][256] = {
{
0x00000000, 0x96300777, 0x2C610EEE, 0xBA510999,
0x19C46D07, 0x8FF46A70, 0x35A563E9, 0xA395649E,
0x3288DB0E, 0xA4B8DC79, 0x1EE9D5E0, 0x88D9D297,
0x2B4CB609, 0xBD7CB17E, 0x072DB8E7, 0x911DBF90,
0x6410B71D, 0xF220B06A, 0x4871B9F3, 0xDE41BE84,
0x7DD4DA1A, 0xEBE4DD6D, 0x51B5D4F4, 0xC785D383,
0x56986C13, 0xC0A86B64, 0x7AF962FD, 0xECC9658A,
0x4F5C0114, 0xD96C0663, 0x633D0FFA, 0xF50D088D,
0xC8206E3B, 0x5E10694C, 0xE44160D5, 0x727167A2,
0xD1E4033C, 0x47D4044B, 0xFD850DD2, 0x6BB50AA5,
0xFAA8B535, 0x6C98B242, 0xD6C9BBDB, 0x40F9BCAC,
0xE36CD832, 0x755CDF45, 0xCF0DD6DC, 0x593DD1AB,
0xAC30D926, 0x3A00DE51, 0x8051D7C8, 0x1661D0BF,
0xB5F4B421, 0x23C4B356, 0x9995BACF, 0x0FA5BDB8,
0x9EB80228, 0x0888055F, 0xB2D90CC6, 0x24E90BB1,
0x877C6F2F, 0x114C6858, 0xAB1D61C1, 0x3D2D66B6,
0x9041DC76, 0x0671DB01, 0xBC20D298, 0x2A10D5EF,
0x8985B171, 0x1FB5B606, 0xA5E4BF9F, 0x33D4B8E8,
0xA2C90778, 0x34F9000F, 0x8EA80996, 0x18980EE1,
0xBB0D6A7F, 0x2D3D6D08, 0x976C6491, 0x015C63E6,
0xF4516B6B, 0x62616C1C, 0xD8306585, 0x4E0062F2,
0xED95066C, 0x7BA5011B, 0xC1F40882, 0x57C40FF5,
0xC6D9B065, 0x50E9B712, 0xEAB8BE8B, 0x7C88B9FC,
0xDF1DDD62, 0x492DDA15, 0xF37CD38C, 0x654CD4FB,
0x5861B24D, 0xCE51B53A, 0x7400BCA3, 0xE230BBD4,
0x41A5DF4A, 0xD795D83D, 0x6DC4D1A4, 0xFBF4D6D3,
0x6AE96943, 0xFCD96E34, 0x468867AD, 0xD0B860DA,
0x732D0444, 0xE51D0333, 0x5F4C0AAA, 0xC97C0DDD,
0x3C710550, 0xAA410227, 0x10100BBE, 0x86200CC9,
0x25B56857, 0xB3856F20, 0x09D466B9, 0x9FE461CE,
0x0EF9DE5E, 0x98C9D929, 0x2298D0B0, 0xB4A8D7C7,
0x173DB359, 0x810DB42E, 0x3B5CBDB7, 0xAD6CBAC0,
0x2083B8ED, 0xB6B3BF9A, 0x0CE2B603, 0x9AD2B174,
0x3947D5EA, 0xAF77D29D, 0x1526DB04, 0x8316DC73,
0x120B63E3, 0x843B6494, 0x3E6A6D0D, 0xA85A6A7A,
0x0BCF0EE4, 0x9DFF0993, 0x27AE000A, 0xB19E077D,
0x44930FF0, 0xD2A30887, 0x68F2011E, 0xFEC20669,
0x5D5762F7, 0xCB676580, 0x71366C19, 0xE7066B6E,
0x761BD4FE, 0xE02BD389, 0x5A7ADA10, 0xCC4ADD67,
0x6FDFB9F9, 0xF9EFBE8E, 0x43BEB717, 0xD58EB060,
0xE8A3D6D6, 0x7E93D1A1, 0xC4C2D838, 0x52F2DF4F,
0xF167BBD1, 0x6757BCA6, 0xDD06B53F, 0x4B36B248,
0xDA2B0DD8, 0x4C1B0AAF, 0xF64A0336, 0x607A0441,
0xC3EF60DF, 0x55DF67A8, 0xEF8E6E31, 0x79BE6946,
0x8CB361CB, 0x1A8366BC, 0xA0D26F25, 0x36E26852,
0x95770CCC, 0x03470BBB, 0xB9160222, 0x2F260555,
0xBE3BBAC5, 0x280BBDB2, 0x925AB42B, 0x046AB35C,
0xA7FFD7C2, 0x31CFD0B5, 0x8B9ED92C, 0x1DAEDE5B,
0xB0C2649B, 0x26F263EC, 0x9CA36A75, 0x0A936D02,
0xA906099C, 0x3F360EEB, 0x85670772, 0x13570005,
0x824ABF95, 0x147AB8E2, 0xAE2BB17B, 0x381BB60C,
0x9B8ED292, 0x0DBED5E5, 0xB7EFDC7C, 0x21DFDB0B,
0xD4D2D386, 0x42E2D4F1, 0xF8B3DD68, 0x6E83DA1F,
0xCD16BE81, 0x5B26B9F6, 0xE177B06F, 0x7747B718,
0xE65A0888, 0x706A0FFF, 0xCA3B0666, 0x5C0B0111,
0xFF9E658F, 0x69AE62F8, 0xD3FF6B61, 0x45CF6C16,
0x78E20AA0, 0xEED20DD7, 0x5483044E, 0xC2B30339,
0x612667A7, 0xF71660D0, 0x4D476949, 0xDB776E3E,
0x4A6AD1AE, 0xDC5AD6D9, 0x660BDF40, 0xF03BD837,
0x53AEBCA9, 0xC59EBBDE, 0x7FCFB247, 0xE9FFB530,
0x1CF2BDBD, 0x8AC2BACA, 0x3093B353, 0xA6A3B424,
0x0536D0BA, 0x9306D7CD, 0x2957DE54, 0xBF67D923,
0x2E7A66B3, 0xB84A61C4, 0x021B685D, 0x942B6F2A,
0x37BE0BB4, 0xA18E0CC3, 0x1BDF055A, 0x8DEF022D
}, {
0x00000000, 0x41311B19, 0x82623632, 0xC3532D2B,
0x04C56C64, 0x45F4777D, 0x86A75A56, 0xC796414F,
0x088AD9C8, 0x49BBC2D1, 0x8AE8EFFA, 0xCBD9F4E3,
0x0C4FB5AC, 0x4D7EAEB5, 0x8E2D839E, 0xCF1C9887,
0x5112C24A, 0x1023D953, 0xD370F478, 0x9241EF61,
0x55D7AE2E, 0x14E6B537, 0xD7B5981C, 0x96848305,
0x59981B82, 0x18A9009B, 0xDBFA2DB0, 0x9ACB36A9,
0x5D5D77E6, 0x1C6C6CFF, 0xDF3F41D4, 0x9E0E5ACD,
0xA2248495, 0xE3159F8C, 0x2046B2A7, 0x6177A9BE,
0xA6E1E8F1, 0xE7D0F3E8, 0x2483DEC3, 0x65B2C5DA,
0xAAAE5D5D, 0xEB9F4644, 0x28CC6B6F, 0x69FD7076,
0xAE6B3139, 0xEF5A2A20, 0x2C09070B, 0x6D381C12,
0xF33646DF, 0xB2075DC6, 0x715470ED, 0x30656BF4,
0xF7F32ABB, 0xB6C231A2, 0x75911C89, 0x34A00790,
0xFBBC9F17, 0xBA8D840E, 0x79DEA925, 0x38EFB23C,
0xFF79F373, 0xBE48E86A, 0x7D1BC541, 0x3C2ADE58,
0x054F79F0, 0x447E62E9, 0x872D4FC2, 0xC61C54DB,
0x018A1594, 0x40BB0E8D, 0x83E823A6, 0xC2D938BF,
0x0DC5A038, 0x4CF4BB21, 0x8FA7960A, 0xCE968D13,
0x0900CC5C, 0x4831D745, 0x8B62FA6E, 0xCA53E177,
0x545DBBBA, 0x156CA0A3, 0xD63F8D88, 0x970E9691,
0x5098D7DE, 0x11A9CCC7, 0xD2FAE1EC, 0x93CBFAF5,
0x5CD76272, 0x1DE6796B, 0xDEB55440, 0x9F844F59,
0x58120E16, 0x1923150F, 0xDA703824, 0x9B41233D,
0xA76BFD65, 0xE65AE67C, 0x2509CB57, 0x6438D04E,
0xA3AE9101, 0xE29F8A18, 0x21CCA733, 0x60FDBC2A,
0xAFE124AD, 0xEED03FB4, 0x2D83129F, 0x6CB20986,
0xAB2448C9, 0xEA1553D0, 0x29467EFB, 0x687765E2,
0xF6793F2F, 0xB7482436, 0x741B091D, 0x352A1204,
0xF2BC534B, 0xB38D4852, 0x70DE6579, 0x31EF7E60,
0xFEF3E6E7, 0xBFC2FDFE, 0x7C91D0D5, 0x3DA0CBCC,
0xFA368A83, 0xBB07919A, 0x7854BCB1, 0x3965A7A8,
0x4B98833B, 0x0AA99822, 0xC9FAB509, 0x88CBAE10,
0x4F5DEF5F, 0x0E6CF446, 0xCD3FD96D, 0x8C0EC274,
0x43125AF3, 0x022341EA, 0xC1706CC1, 0x804177D8,
0x47D73697, 0x06E62D8E, 0xC5B500A5, 0x84841BBC,
0x1A8A4171, 0x5BBB5A68, 0x98E87743, 0xD9D96C5A,
0x1E4F2D15, 0x5F7E360C, 0x9C2D1B27, 0xDD1C003E,
0x120098B9, 0x533183A0, 0x9062AE8B, 0xD153B592,
0x16C5F4DD, 0x57F4EFC4, 0x94A7C2EF, 0xD596D9F6,
0xE9BC07AE, 0xA88D1CB7, 0x6BDE319C, 0x2AEF2A85,
0xED796BCA, 0xAC4870D3, 0x6F1B5DF8, 0x2E2A46E1,
0xE136DE66, 0xA007C57F, 0x6354E854, 0x2265F34D,
0xE5F3B202, 0xA4C2A91B, 0x67918430, 0x26A09F29,
0xB8AEC5E4, 0xF99FDEFD, 0x3ACCF3D6, 0x7BFDE8CF,
0xBC6BA980, 0xFD5AB299, 0x3E099FB2, 0x7F3884AB,
0xB0241C2C, 0xF1150735, 0x32462A1E, 0x73773107,
0xB4E17048, 0xF5D06B51, 0x3683467A, 0x77B25D63,
0x4ED7FACB, 0x0FE6E1D2, 0xCCB5CCF9, 0x8D84D7E0,
0x4A1296AF, 0x0B238DB6, 0xC870A09D, 0x8941BB84,
0x465D2303, 0x076C381A, 0xC43F1531, 0x850E0E28,
0x42984F67, 0x03A9547E, 0xC0FA7955, 0x81CB624C,
0x1FC53881, 0x5EF42398, 0x9DA70EB3, 0xDC9615AA,
0x1B0054E5, 0x5A314FFC, 0x996262D7, 0xD85379CE,
0x174FE149, 0x567EFA50, 0x952DD77B, 0xD41CCC62,
0x138A8D2D, 0x52BB9634, 0x91E8BB1F, 0xD0D9A006,
0xECF37E5E, 0xADC26547, 0x6E91486C, 0x2FA05375,
0xE836123A, 0xA9070923, 0x6A542408, 0x2B653F11,
0xE479A796, 0xA548BC8F, 0x661B91A4, 0x272A8ABD,
0xE0BCCBF2, 0xA18DD0EB, 0x62DEFDC0, 0x23EFE6D9,
0xBDE1BC14, 0xFCD0A70D, 0x3F838A26, 0x7EB2913F,
0xB924D070, 0xF815CB69, 0x3B46E642, 0x7A77FD5B,
0xB56B65DC, 0xF45A7EC5, 0x370953EE, 0x763848F7,
0xB1AE09B8, 0xF09F12A1, 0x33CC3F8A, 0x72FD2493
}, {
0x00000000, 0x376AC201, 0x6ED48403, 0x59BE4602,
0xDCA80907, 0xEBC2CB06, 0xB27C8D04, 0x85164F05,
0xB851130E, 0x8F3BD10F, 0xD685970D, 0xE1EF550C,
0x64F91A09, 0x5393D808, 0x0A2D9E0A, 0x3D475C0B,
0x70A3261C, 0x47C9E41D, 0x1E77A21F, 0x291D601E,
0xAC0B2F1B, 0x9B61ED1A, 0xC2DFAB18, 0xF5B56919,
0xC8F23512, 0xFF98F713, 0xA626B111, 0x914C7310,
0x145A3C15, 0x2330FE14, 0x7A8EB816, 0x4DE47A17,
0xE0464D38, 0xD72C8F39, 0x8E92C93B, 0xB9F80B3A,
0x3CEE443F, 0x0B84863E, 0x523AC03C, 0x6550023D,
0x58175E36, 0x6F7D9C37, 0x36C3DA35, 0x01A91834,
0x84BF5731, 0xB3D59530, 0xEA6BD332, 0xDD011133,
0x90E56B24, 0xA78FA925, 0xFE31EF27, 0xC95B2D26,
0x4C4D6223, 0x7B27A022, 0x2299E620, 0x15F32421,
0x28B4782A, 0x1FDEBA2B, 0x4660FC29, 0x710A3E28,
0xF41C712D, 0xC376B32C, 0x9AC8F52E, 0xADA2372F,
0xC08D9A70, 0xF7E75871, 0xAE591E73, 0x9933DC72,
0x1C259377, 0x2B4F5176, 0x72F11774, 0x459BD575,
0x78DC897E, 0x4FB64B7F, 0x16080D7D, 0x2162CF7C,
0xA4748079, 0x931E4278, 0xCAA0047A, 0xFDCAC67B,
0xB02EBC6C, 0x87447E6D, 0xDEFA386F, 0xE990FA6E,
0x6C86B56B, 0x5BEC776A, 0x02523168, 0x3538F369,
0x087FAF62, 0x3F156D63, 0x66AB2B61, 0x51C1E960,
0xD4D7A665, 0xE3BD6464, 0xBA032266, 0x8D69E067,
0x20CBD748, 0x17A11549, 0x4E1F534B, 0x7975914A,
0xFC63DE4F, 0xCB091C4E, 0x92B75A4C, 0xA5DD984D,
0x989AC446, 0xAFF00647, 0xF64E4045, 0xC1248244,
0x4432CD41, 0x73580F40, 0x2AE64942, 0x1D8C8B43,
0x5068F154, 0x67023355, 0x3EBC7557, 0x09D6B756,
0x8CC0F853, 0xBBAA3A52, 0xE2147C50, 0xD57EBE51,
0xE839E25A, 0xDF53205B, 0x86ED6659, 0xB187A458,
0x3491EB5D, 0x03FB295C, 0x5A456F5E, 0x6D2FAD5F,
0x801B35E1, 0xB771F7E0, 0xEECFB1E2, 0xD9A573E3,
0x5CB33CE6, 0x6BD9FEE7, 0x3267B8E5, 0x050D7AE4,
0x384A26EF, 0x0F20E4EE, 0x569EA2EC, 0x61F460ED,
0xE4E22FE8, 0xD388EDE9, 0x8A36ABEB, 0xBD5C69EA,
0xF0B813FD, 0xC7D2D1FC, 0x9E6C97FE, 0xA90655FF,
0x2C101AFA, 0x1B7AD8FB, 0x42C49EF9, 0x75AE5CF8,
0x48E900F3, 0x7F83C2F2, 0x263D84F0, 0x115746F1,
0x944109F4, 0xA32BCBF5, 0xFA958DF7, 0xCDFF4FF6,
0x605D78D9, 0x5737BAD8, 0x0E89FCDA, 0x39E33EDB,
0xBCF571DE, 0x8B9FB3DF, 0xD221F5DD, 0xE54B37DC,
0xD80C6BD7, 0xEF66A9D6, 0xB6D8EFD4, 0x81B22DD5,
0x04A462D0, 0x33CEA0D1, 0x6A70E6D3, 0x5D1A24D2,
0x10FE5EC5, 0x27949CC4, 0x7E2ADAC6, 0x494018C7,
0xCC5657C2, 0xFB3C95C3, 0xA282D3C1, 0x95E811C0,
0xA8AF4DCB, 0x9FC58FCA, 0xC67BC9C8, 0xF1110BC9,
0x740744CC, 0x436D86CD, 0x1AD3C0CF, 0x2DB902CE,
0x4096AF91, 0x77FC6D90, 0x2E422B92, 0x1928E993,
0x9C3EA696, 0xAB546497, 0xF2EA2295, 0xC580E094,
0xF8C7BC9F, 0xCFAD7E9E, 0x9613389C, 0xA179FA9D,
0x246FB598, 0x13057799, 0x4ABB319B, 0x7DD1F39A,
0x3035898D, 0x075F4B8C, 0x5EE10D8E, 0x698BCF8F,
0xEC9D808A, 0xDBF7428B, 0x82490489, 0xB523C688,
0x88649A83, 0xBF0E5882, 0xE6B01E80, 0xD1DADC81,
0x54CC9384, 0x63A65185, 0x3A181787, 0x0D72D586,
0xA0D0E2A9, 0x97BA20A8, 0xCE0466AA, 0xF96EA4AB,
0x7C78EBAE, 0x4B1229AF, 0x12AC6FAD, 0x25C6ADAC,
0x1881F1A7, 0x2FEB33A6, 0x765575A4, 0x413FB7A5,
0xC429F8A0, 0xF3433AA1, 0xAAFD7CA3, 0x9D97BEA2,
0xD073C4B5, 0xE71906B4, 0xBEA740B6, 0x89CD82B7,
0x0CDBCDB2, 0x3BB10FB3, 0x620F49B1, 0x55658BB0,
0x6822D7BB, 0x5F4815BA, 0x06F653B8, 0x319C91B9,
0xB48ADEBC, 0x83E01CBD, 0xDA5E5ABF, 0xED3498BE
}, {
0x00000000, 0x6567BCB8, 0x8BC809AA, 0xEEAFB512,
0x5797628F, 0x32F0DE37, 0xDC5F6B25, 0xB938D79D,
0xEF28B4C5, 0x8A4F087D, 0x64E0BD6F, 0x018701D7,
0xB8BFD64A, 0xDDD86AF2, 0x3377DFE0, 0x56106358,
0x9F571950, 0xFA30A5E8, 0x149F10FA, 0x71F8AC42,
0xC8C07BDF, 0xADA7C767, 0x43087275, 0x266FCECD,
0x707FAD95, 0x1518112D, 0xFBB7A43F, 0x9ED01887,
0x27E8CF1A, 0x428F73A2, 0xAC20C6B0, 0xC9477A08,
0x3EAF32A0, 0x5BC88E18, 0xB5673B0A, 0xD00087B2,
0x6938502F, 0x0C5FEC97, 0xE2F05985, 0x8797E53D,
0xD1878665, 0xB4E03ADD, 0x5A4F8FCF, 0x3F283377,
0x8610E4EA, 0xE3775852, 0x0DD8ED40, 0x68BF51F8,
0xA1F82BF0, 0xC49F9748, 0x2A30225A, 0x4F579EE2,
0xF66F497F, 0x9308F5C7, 0x7DA740D5, 0x18C0FC6D,
0x4ED09F35, 0x2BB7238D, 0xC518969F, 0xA07F2A27,
0x1947FDBA, 0x7C204102, 0x928FF410, 0xF7E848A8,
0x3D58149B, 0x583FA823, 0xB6901D31, 0xD3F7A189,
0x6ACF7614, 0x0FA8CAAC, 0xE1077FBE, 0x8460C306,
0xD270A05E, 0xB7171CE6, 0x59B8A9F4, 0x3CDF154C,
0x85E7C2D1, 0xE0807E69, 0x0E2FCB7B, 0x6B4877C3,
0xA20F0DCB, 0xC768B173, 0x29C70461, 0x4CA0B8D9,
0xF5986F44, 0x90FFD3FC, 0x7E5066EE, 0x1B37DA56,
0x4D27B90E, 0x284005B6, 0xC6EFB0A4, 0xA3880C1C,
0x1AB0DB81, 0x7FD76739, 0x9178D22B, 0xF41F6E93,
0x03F7263B, 0x66909A83, 0x883F2F91, 0xED589329,
0x546044B4, 0x3107F80C, 0xDFA84D1E, 0xBACFF1A6,
0xECDF92FE, 0x89B82E46, 0x67179B54, 0x027027EC,
0xBB48F071, 0xDE2F4CC9, 0x3080F9DB, 0x55E74563,
0x9CA03F6B, 0xF9C783D3, 0x176836C1, 0x720F8A79,
0xCB375DE4, 0xAE50E15C, 0x40FF544E, 0x2598E8F6,
0x73888BAE, 0x16EF3716, 0xF8408204, 0x9D273EBC,
0x241FE921, 0x41785599, 0xAFD7E08B, 0xCAB05C33,
0x3BB659ED, 0x5ED1E555, 0xB07E5047, 0xD519ECFF,
0x6C213B62, 0x094687DA, 0xE7E932C8, 0x828E8E70,
0xD49EED28, 0xB1F95190, 0x5F56E482, 0x3A31583A,
0x83098FA7, 0xE66E331F, 0x08C1860D, 0x6DA63AB5,
0xA4E140BD, 0xC186FC05, 0x2F294917, 0x4A4EF5AF,
0xF3762232, 0x96119E8A, 0x78BE2B98, 0x1DD99720,
0x4BC9F478, 0x2EAE48C0, 0xC001FDD2, 0xA566416A,
0x1C5E96F7, 0x79392A4F, 0x97969F5D, 0xF2F123E5,
0x05196B4D, 0x607ED7F5, 0x8ED162E7, 0xEBB6DE5F,
0x528E09C2, 0x37E9B57A, 0xD9460068, 0xBC21BCD0,
0xEA31DF88, 0x8F566330, 0x61F9D622, 0x049E6A9A,
0xBDA6BD07, 0xD8C101BF, 0x366EB4AD, 0x53090815,
0x9A4E721D, 0xFF29CEA5, 0x11867BB7, 0x74E1C70F,
0xCDD91092, 0xA8BEAC2A, 0x46111938, 0x2376A580,
0x7566C6D8, 0x10017A60, 0xFEAECF72, 0x9BC973CA,
0x22F1A457, 0x479618EF, 0xA939ADFD, 0xCC5E1145,
0x06EE4D76, 0x6389F1CE, 0x8D2644DC, 0xE841F864,
0x51792FF9, 0x341E9341, 0xDAB12653, 0xBFD69AEB,
0xE9C6F9B3, 0x8CA1450B, 0x620EF019, 0x07694CA1,
0xBE519B3C, 0xDB362784, 0x35999296, 0x50FE2E2E,
0x99B95426, 0xFCDEE89E, 0x12715D8C, 0x7716E134,
0xCE2E36A9, 0xAB498A11, 0x45E63F03, 0x208183BB,
0x7691E0E3, 0x13F65C5B, 0xFD59E949, 0x983E55F1,
0x2106826C, 0x44613ED4, 0xAACE8BC6, 0xCFA9377E,
0x38417FD6, 0x5D26C36E, 0xB389767C, 0xD6EECAC4,
0x6FD61D59, 0x0AB1A1E1, 0xE41E14F3, 0x8179A84B,
0xD769CB13, 0xB20E77AB, 0x5CA1C2B9, 0x39C67E01,
0x80FEA99C, 0xE5991524, 0x0B36A036, 0x6E511C8E,
0xA7166686, 0xC271DA3E, 0x2CDE6F2C, 0x49B9D394,
0xF0810409, 0x95E6B8B1, 0x7B490DA3, 0x1E2EB11B,
0x483ED243, 0x2D596EFB, 0xC3F6DBE9, 0xA6916751,
0x1FA9B0CC, 0x7ACE0C74, 0x9461B966, 0xF10605DE
}, {
0x00000000, 0xB029603D, 0x6053C07A, 0xD07AA047,
0xC0A680F5, 0x708FE0C8, 0xA0F5408F, 0x10DC20B2,
0xC14B7030, 0x7162100D, 0xA118B04A, 0x1131D077,
0x01EDF0C5, 0xB1C490F8, 0x61BE30BF, 0xD1975082,
0x8297E060, 0x32BE805D, 0xE2C4201A, 0x52ED4027,
0x42316095, 0xF21800A8, 0x2262A0EF, 0x924BC0D2,
0x43DC9050, 0xF3F5F06D, 0x238F502A, 0x93A63017,
0x837A10A5, 0x33537098, 0xE329D0DF, 0x5300B0E2,
0x042FC1C1, 0xB406A1FC, 0x647C01BB, 0xD4556186,
0xC4894134, 0x74A02109, 0xA4DA814E, 0x14F3E173,
0xC564B1F1, 0x754DD1CC, 0xA537718B, 0x151E11B6,
0x05C23104, 0xB5EB5139, 0x6591F17E, 0xD5B89143,
0x86B821A1, 0x3691419C, 0xE6EBE1DB, 0x56C281E6,
0x461EA154, 0xF637C169, 0x264D612E, 0x96640113,
0x47F35191, 0xF7DA31AC, 0x27A091EB, 0x9789F1D6,
0x8755D164, 0x377CB159, 0xE706111E, 0x572F7123,
0x4958F358, 0xF9719365, 0x290B3322, 0x9922531F,
0x89FE73AD, 0x39D71390, 0xE9ADB3D7, 0x5984D3EA,
0x88138368, 0x383AE355, 0xE8404312, 0x5869232F,
0x48B5039D, 0xF89C63A0, 0x28E6C3E7, 0x98CFA3DA,
0xCBCF1338, 0x7BE67305, 0xAB9CD342, 0x1BB5B37F,
0x0B6993CD, 0xBB40F3F0, 0x6B3A53B7, 0xDB13338A,
0x0A846308, 0xBAAD0335, 0x6AD7A372, 0xDAFEC34F,
0xCA22E3FD, 0x7A0B83C0, 0xAA712387, 0x1A5843BA,
0x4D773299, 0xFD5E52A4, 0x2D24F2E3, 0x9D0D92DE,
0x8DD1B26C, 0x3DF8D251, 0xED827216, 0x5DAB122B,
0x8C3C42A9, 0x3C152294, 0xEC6F82D3, 0x5C46E2EE,
0x4C9AC25C, 0xFCB3A261, 0x2CC90226, 0x9CE0621B,
0xCFE0D2F9, 0x7FC9B2C4, 0xAFB31283, 0x1F9A72BE,
0x0F46520C, 0xBF6F3231, 0x6F159276, 0xDF3CF24B,
0x0EABA2C9, 0xBE82C2F4, 0x6EF862B3, 0xDED1028E,
0xCE0D223C, 0x7E244201, 0xAE5EE246, 0x1E77827B,
0x92B0E6B1, 0x2299868C, 0xF2E326CB, 0x42CA46F6,
0x52166644, 0xE23F0679, 0x3245A63E, 0x826CC603,
0x53FB9681, 0xE3D2F6BC, 0x33A856FB, 0x838136C6,
0x935D1674, 0x23747649, 0xF30ED60E, 0x4327B633,
0x102706D1, 0xA00E66EC, 0x7074C6AB, 0xC05DA696,
0xD0818624, 0x60A8E619, 0xB0D2465E, 0x00FB2663,
0xD16C76E1, 0x614516DC, 0xB13FB69B, 0x0116D6A6,
0x11CAF614, 0xA1E39629, 0x7199366E, 0xC1B05653,
0x969F2770, 0x26B6474D, 0xF6CCE70A, 0x46E58737,
0x5639A785, 0xE610C7B8, 0x366A67FF, 0x864307C2,
0x57D45740, 0xE7FD377D, 0x3787973A, 0x87AEF707,
0x9772D7B5, 0x275BB788, 0xF72117CF, 0x470877F2,
0x1408C710, 0xA421A72D, 0x745B076A, 0xC4726757,
0xD4AE47E5, 0x648727D8, 0xB4FD879F, 0x04D4E7A2,
0xD543B720, 0x656AD71D, 0xB510775A, 0x05391767,
0x15E537D5, 0xA5CC57E8, 0x75B6F7AF, 0xC59F9792,
0xDBE815E9, 0x6BC175D4, 0xBBBBD593, 0x0B92B5AE,
0x1B4E951C, 0xAB67F521, 0x7B1D5566, 0xCB34355B,
0x1AA365D9, 0xAA8A05E4, 0x7AF0A5A3, 0xCAD9C59E,
0xDA05E52C, 0x6A2C8511, 0xBA562556, 0x0A7F456B,
0x597FF589, 0xE95695B4, 0x392C35F3, 0x890555CE,
0x99D9757C, 0x29F01541, 0xF98AB506, 0x49A3D53B,
0x983485B9, 0x281DE584, 0xF86745C3, 0x484E25FE,
0x5892054C, 0xE8BB6571, 0x38C1C536, 0x88E8A50B,
0xDFC7D428, 0x6FEEB415, 0xBF941452, 0x0FBD746F,
0x1F6154DD, 0xAF4834E0, 0x7F3294A7, 0xCF1BF49A,
0x1E8CA418, 0xAEA5C425, 0x7EDF6462, 0xCEF6045F,
0xDE2A24ED, 0x6E0344D0, 0xBE79E497, 0x0E5084AA,
0x5D503448, 0xED795475, 0x3D03F432, 0x8D2A940F,
0x9DF6B4BD, 0x2DDFD480, 0xFDA574C7, 0x4D8C14FA,
0x9C1B4478, 0x2C322445, 0xFC488402, 0x4C61E43F,
0x5CBDC48D, 0xEC94A4B0, 0x3CEE04F7, 0x8CC764CA
}, {
0x00000000, 0xA5D35CCB, 0x0BA1C84D, 0xAE729486,
0x1642919B, 0xB391CD50, 0x1DE359D6, 0xB830051D,
0x6D8253EC, 0xC8510F27, 0x66239BA1, 0xC3F0C76A,
0x7BC0C277, 0xDE139EBC, 0x70610A3A, 0xD5B256F1,
0x9B02D603, 0x3ED18AC8, 0x90A31E4E, 0x35704285,
0x8D404798, 0x28931B53, 0x86E18FD5, 0x2332D31E,
0xF68085EF, 0x5353D924, 0xFD214DA2, 0x58F21169,
0xE0C21474, 0x451148BF, 0xEB63DC39, 0x4EB080F2,
0x3605AC07, 0x93D6F0CC, 0x3DA4644A, 0x98773881,
0x20473D9C, 0x85946157, 0x2BE6F5D1, 0x8E35A91A,
0x5B87FFEB, 0xFE54A320, 0x502637A6, 0xF5F56B6D,
0x4DC56E70, 0xE81632BB, 0x4664A63D, 0xE3B7FAF6,
0xAD077A04, 0x08D426CF, 0xA6A6B249, 0x0375EE82,
0xBB45EB9F, 0x1E96B754, 0xB0E423D2, 0x15377F19,
0xC08529E8, 0x65567523, 0xCB24E1A5, 0x6EF7BD6E,
0xD6C7B873, 0x7314E4B8, 0xDD66703E, 0x78B52CF5,
0x6C0A580F, 0xC9D904C4, 0x67AB9042, 0xC278CC89,
0x7A48C994, 0xDF9B955F, 0x71E901D9, 0xD43A5D12,
0x01880BE3, 0xA45B5728, 0x0A29C3AE, 0xAFFA9F65,
0x17CA9A78, 0xB219C6B3, 0x1C6B5235, 0xB9B80EFE,
0xF7088E0C, 0x52DBD2C7, 0xFCA94641, 0x597A1A8A,
0xE14A1F97, 0x4499435C, 0xEAEBD7DA, 0x4F388B11,
0x9A8ADDE0, 0x3F59812B, 0x912B15AD, 0x34F84966,
0x8CC84C7B, 0x291B10B0, 0x87698436, 0x22BAD8FD,
0x5A0FF408, 0xFFDCA8C3, 0x51AE3C45, 0xF47D608E,
0x4C4D6593, 0xE99E3958, 0x47ECADDE, 0xE23FF115,
0x378DA7E4, 0x925EFB2F, 0x3C2C6FA9, 0x99FF3362,
0x21CF367F, 0x841C6AB4, 0x2A6EFE32, 0x8FBDA2F9,
0xC10D220B, 0x64DE7EC0, 0xCAACEA46, 0x6F7FB68D,
0xD74FB390, 0x729CEF5B, 0xDCEE7BDD, 0x793D2716,
0xAC8F71E7, 0x095C2D2C, 0xA72EB9AA, 0x02FDE561,
0xBACDE07C, 0x1F1EBCB7, 0xB16C2831, 0x14BF74FA,
0xD814B01E, 0x7DC7ECD5, 0xD3B57853, 0x76662498,
0xCE562185, 0x6B857D4E, 0xC5F7E9C8, 0x6024B503,
0xB596E3F2, 0x1045BF39, 0xBE372BBF, 0x1BE47774,
0xA3D47269, 0x06072EA2, 0xA875BA24, 0x0DA6E6EF,
0x4316661D, 0xE6C53AD6, 0x48B7AE50, 0xED64F29B,
0x5554F786, 0xF087AB4D, 0x5EF53FCB, 0xFB266300,
0x2E9435F1, 0x8B47693A, 0x2535FDBC, 0x80E6A177,
0x38D6A46A, 0x9D05F8A1, 0x33776C27, 0x96A430EC,
0xEE111C19, 0x4BC240D2, 0xE5B0D454, 0x4063889F,
0xF8538D82, 0x5D80D149, 0xF3F245CF, 0x56211904,
0x83934FF5, 0x2640133E, 0x883287B8, 0x2DE1DB73,
0x95D1DE6E, 0x300282A5, 0x9E701623, 0x3BA34AE8,
0x7513CA1A, 0xD0C096D1, 0x7EB20257, 0xDB615E9C,
0x63515B81, 0xC682074A, 0x68F093CC, 0xCD23CF07,
0x189199F6, 0xBD42C53D, 0x133051BB, 0xB6E30D70,
0x0ED3086D, 0xAB0054A6, 0x0572C020, 0xA0A19CEB,
0xB41EE811, 0x11CDB4DA, 0xBFBF205C, 0x1A6C7C97,
0xA25C798A, 0x078F2541, 0xA9FDB1C7, 0x0C2EED0C,
0xD99CBBFD, 0x7C4FE736, 0xD23D73B0, 0x77EE2F7B,
0xCFDE2A66, 0x6A0D76AD, 0xC47FE22B, 0x61ACBEE0,
0x2F1C3E12, 0x8ACF62D9, 0x24BDF65F, 0x816EAA94,
0x395EAF89, 0x9C8DF342, 0x32FF67C4, 0x972C3B0F,
0x429E6DFE, 0xE74D3135, 0x493FA5B3, 0xECECF978,
0x54DCFC65, 0xF10FA0AE, 0x5F7D3428, 0xFAAE68E3,
0x821B4416, 0x27C818DD, 0x89BA8C5B, 0x2C69D090,
0x9459D58D, 0x318A8946, 0x9FF81DC0, 0x3A2B410B,
0xEF9917FA, 0x4A4A4B31, 0xE438DFB7, 0x41EB837C,
0xF9DB8661, 0x5C08DAAA, 0xF27A4E2C, 0x57A912E7,
0x19199215, 0xBCCACEDE, 0x12B85A58, 0xB76B0693,
0x0F5B038E, 0xAA885F45, 0x04FACBC3, 0xA1299708,
0x749BC1F9, 0xD1489D32, 0x7F3A09B4, 0xDAE9557F,
0x62D95062, 0xC70A0CA9, 0x6978982F, 0xCCABC4E4
}, {
0x00000000, 0xB40B77A6, 0x29119F97, 0x9D1AE831,
0x13244FF4, 0xA72F3852, 0x3A35D063, 0x8E3EA7C5,
0x674EEF33, 0xD3459895, 0x4E5F70A4, 0xFA540702,
0x746AA0C7, 0xC061D761, 0x5D7B3F50, 0xE97048F6,
0xCE9CDE67, 0x7A97A9C1, 0xE78D41F0, 0x53863656,
0xDDB89193, 0x69B3E635, 0xF4A90E04, 0x40A279A2,
0xA9D23154, 0x1DD946F2, 0x80C3AEC3, 0x34C8D965,
0xBAF67EA0, 0x0EFD0906, 0x93E7E137, 0x27EC9691,
0x9C39BDCF, 0x2832CA69, 0xB5282258, 0x012355FE,
0x8F1DF23B, 0x3B16859D, 0xA60C6DAC, 0x12071A0A,
0xFB7752FC, 0x4F7C255A, 0xD266CD6B, 0x666DBACD,
0xE8531D08, 0x5C586AAE, 0xC142829F, 0x7549F539,
0x52A563A8, 0xE6AE140E, 0x7BB4FC3F, 0xCFBF8B99,
0x41812C5C, 0xF58A5BFA, 0x6890B3CB, 0xDC9BC46D,
0x35EB8C9B, 0x81E0FB3D, 0x1CFA130C, 0xA8F164AA,
0x26CFC36F, 0x92C4B4C9, 0x0FDE5CF8, 0xBBD52B5E,
0x79750B44, 0xCD7E7CE2, 0x506494D3, 0xE46FE375,
0x6A5144B0, 0xDE5A3316, 0x4340DB27, 0xF74BAC81,
0x1E3BE477, 0xAA3093D1, 0x372A7BE0, 0x83210C46,
0x0D1FAB83, 0xB914DC25, 0x240E3414, 0x900543B2,
0xB7E9D523, 0x03E2A285, 0x9EF84AB4, 0x2AF33D12,
0xA4CD9AD7, 0x10C6ED71, 0x8DDC0540, 0x39D772E6,
0xD0A73A10, 0x64AC4DB6, 0xF9B6A587, 0x4DBDD221,
0xC38375E4, 0x77880242, 0xEA92EA73, 0x5E999DD5,
0xE54CB68B, 0x5147C12D, 0xCC5D291C, 0x78565EBA,
0xF668F97F, 0x42638ED9, 0xDF7966E8, 0x6B72114E,
0x820259B8, 0x36092E1E, 0xAB13C62F, 0x1F18B189,
0x9126164C, 0x252D61EA, 0xB83789DB, 0x0C3CFE7D,
0x2BD068EC, 0x9FDB1F4A, 0x02C1F77B, 0xB6CA80DD,
0x38F42718, 0x8CFF50BE, 0x11E5B88F, 0xA5EECF29,
0x4C9E87DF, 0xF895F079, 0x658F1848, 0xD1846FEE,
0x5FBAC82B, 0xEBB1BF8D, 0x76AB57BC, 0xC2A0201A,
0xF2EA1688, 0x46E1612E, 0xDBFB891F, 0x6FF0FEB9,
0xE1CE597C, 0x55C52EDA, 0xC8DFC6EB, 0x7CD4B14D,
0x95A4F9BB, 0x21AF8E1D, 0xBCB5662C, 0x08BE118A,
0x8680B64F, 0x328BC1E9, 0xAF9129D8, 0x1B9A5E7E,
0x3C76C8EF, 0x887DBF49, 0x15675778, 0xA16C20DE,
0x2F52871B, 0x9B59F0BD, 0x0643188C, 0xB2486F2A,
0x5B3827DC, 0xEF33507A, 0x7229B84B, 0xC622CFED,
0x481C6828, 0xFC171F8E, 0x610DF7BF, 0xD5068019,
0x6ED3AB47, 0xDAD8DCE1, 0x47C234D0, 0xF3C94376,
0x7DF7E4B3, 0xC9FC9315, 0x54E67B24, 0xE0ED0C82,
0x099D4474, 0xBD9633D2, 0x208CDBE3, 0x9487AC45,
0x1AB90B80, 0xAEB27C26, 0x33A89417, 0x87A3E3B1,
0xA04F7520, 0x14440286, 0x895EEAB7, 0x3D559D11,
0xB36B3AD4, 0x07604D72, 0x9A7AA543, 0x2E71D2E5,
0xC7019A13, 0x730AEDB5, 0xEE100584, 0x5A1B7222,
0xD425D5E7, 0x602EA241, 0xFD344A70, 0x493F3DD6,
0x8B9F1DCC, 0x3F946A6A, 0xA28E825B, 0x1685F5FD,
0x98BB5238, 0x2CB0259E, 0xB1AACDAF, 0x05A1BA09,
0xECD1F2FF, 0x58DA8559, 0xC5C06D68, 0x71CB1ACE,
0xFFF5BD0B, 0x4BFECAAD, 0xD6E4229C, 0x62EF553A,
0x4503C3AB, 0xF108B40D, 0x6C125C3C, 0xD8192B9A,
0x56278C5F, 0xE22CFBF9, 0x7F3613C8, 0xCB3D646E,
0x224D2C98, 0x96465B3E, 0x0B5CB30F, 0xBF57C4A9,
0x3169636C, 0x856214CA, 0x1878FCFB, 0xAC738B5D,
0x17A6A003, 0xA3ADD7A5, 0x3EB73F94, 0x8ABC4832,
0x0482EFF7, 0xB0899851, 0x2D937060, 0x999807C6,
0x70E84F30, 0xC4E33896, 0x59F9D0A7, 0xEDF2A701,
0x63CC00C4, 0xD7C77762, 0x4ADD9F53, 0xFED6E8F5,
0xD93A7E64, 0x6D3109C2, 0xF02BE1F3, 0x44209655,
0xCA1E3190, 0x7E154636, 0xE30FAE07, 0x5704D9A1,
0xBE749157, 0x0A7FE6F1, 0x97650EC0, 0x236E7966,
0xAD50DEA3, 0x195BA905, 0x84414134, 0x304A3692
}, {
0x00000000, 0x9E00AACC, 0x7D072542, 0xE3078F8E,
0xFA0E4A84, 0x640EE048, 0x87096FC6, 0x1909C50A,
0xB51BE5D3, 0x2B1B4F1F, 0xC81CC091, 0x561C6A5D,
0x4F15AF57, 0xD115059B, 0x32128A15, 0xAC1220D9,
0x2B31BB7C, 0xB53111B0, 0x56369E3E, 0xC83634F2,
0xD13FF1F8, 0x4F3F5B34, 0xAC38D4BA, 0x32387E76,
0x9E2A5EAF, 0x002AF463, 0xE32D7BED, 0x7D2DD121,
0x6424142B, 0xFA24BEE7, 0x19233169, 0x87239BA5,
0x566276F9, 0xC862DC35, 0x2B6553BB, 0xB565F977,
0xAC6C3C7D, 0x326C96B1, 0xD16B193F, 0x4F6BB3F3,
0xE379932A, 0x7D7939E6, 0x9E7EB668, 0x007E1CA4,
0x1977D9AE, 0x87777362, 0x6470FCEC, 0xFA705620,
0x7D53CD85, 0xE3536749, 0x0054E8C7, 0x9E54420B,
0x875D8701, 0x195D2DCD, 0xFA5AA243, 0x645A088F,
0xC8482856, 0x5648829A, 0xB54F0D14, 0x2B4FA7D8,
0x324662D2, 0xAC46C81E, 0x4F414790, 0xD141ED5C,
0xEDC29D29, 0x73C237E5, 0x90C5B86B, 0x0EC512A7,
0x17CCD7AD, 0x89CC7D61, 0x6ACBF2EF, 0xF4CB5823,
0x58D978FA, 0xC6D9D236, 0x25DE5DB8, 0xBBDEF774,
0xA2D7327E, 0x3CD798B2, 0xDFD0173C, 0x41D0BDF0,
0xC6F32655, 0x58F38C99, 0xBBF40317, 0x25F4A9DB,
0x3CFD6CD1, 0xA2FDC61D, 0x41FA4993, 0xDFFAE35F,
0x73E8C386, 0xEDE8694A, 0x0EEFE6C4, 0x90EF4C08,
0x89E68902, 0x17E623CE, 0xF4E1AC40, 0x6AE1068C,
0xBBA0EBD0, 0x25A0411C, 0xC6A7CE92, 0x58A7645E,
0x41AEA154, 0xDFAE0B98, 0x3CA98416, 0xA2A92EDA,
0x0EBB0E03, 0x90BBA4CF, 0x73BC2B41, 0xEDBC818D,
0xF4B54487, 0x6AB5EE4B, 0x89B261C5, 0x17B2CB09,
0x909150AC, 0x0E91FA60, 0xED9675EE, 0x7396DF22,
0x6A9F1A28, 0xF49FB0E4, 0x17983F6A, 0x899895A6,
0x258AB57F, 0xBB8A1FB3, 0x588D903D, 0xC68D3AF1,
0xDF84FFFB, 0x41845537, 0xA283DAB9, 0x3C837075,
0xDA853B53, 0x4485919F, 0xA7821E11, 0x3982B4DD,
0x208B71D7, 0xBE8BDB1B, 0x5D8C5495, 0xC38CFE59,
0x6F9EDE80, 0xF19E744C, 0x1299FBC2, 0x8C99510E,
0x95909404, 0x0B903EC8, 0xE897B146, 0x76971B8A,
0xF1B4802F, 0x6FB42AE3, 0x8CB3A56D, 0x12B30FA1,
0x0BBACAAB, 0x95BA6067, 0x76BDEFE9, 0xE8BD4525,
0x44AF65FC, 0xDAAFCF30, 0x39A840BE, 0xA7A8EA72,
0xBEA12F78, 0x20A185B4, 0xC3A60A3A, 0x5DA6A0F6,
0x8CE74DAA, 0x12E7E766, 0xF1E068E8, 0x6FE0C224,
0x76E9072E, 0xE8E9ADE2, 0x0BEE226C, 0x95EE88A0,
0x39FCA879, 0xA7FC02B5, 0x44FB8D3B, 0xDAFB27F7,
0xC3F2E2FD, 0x5DF24831, 0xBEF5C7BF, 0x20F56D73,
0xA7D6F6D6, 0x39D65C1A, 0xDAD1D394, 0x44D17958,
0x5DD8BC52, 0xC3D8169E, 0x20DF9910, 0xBEDF33DC,
0x12CD1305, 0x8CCDB9C9, 0x6FCA3647, 0xF1CA9C8B,
0xE8C35981, 0x76C3F34D, 0x95C47CC3, 0x0BC4D60F,
0x3747A67A, 0xA9470CB6, 0x4A408338, 0xD44029F4,
0xCD49ECFE, 0x53494632, 0xB04EC9BC, 0x2E4E6370,
0x825C43A9, 0x1C5CE965, 0xFF5B66EB, 0x615BCC27,
0x7852092D, 0xE652A3E1, 0x05552C6F, 0x9B5586A3,
0x1C761D06, 0x8276B7CA, 0x61713844, 0xFF719288,
0xE6785782, 0x7878FD4E, 0x9B7F72C0, 0x057FD80C,
0xA96DF8D5, 0x376D5219, 0xD46ADD97, 0x4A6A775B,
0x5363B251, 0xCD63189D, 0x2E649713, 0xB0643DDF,
0x6125D083, 0xFF257A4F, 0x1C22F5C1, 0x82225F0D,
0x9B2B9A07, 0x052B30CB, 0xE62CBF45, 0x782C1589,
0xD43E3550, 0x4A3E9F9C, 0xA9391012, 0x3739BADE,
0x2E307FD4, 0xB030D518, 0x53375A96, 0xCD37F05A,
0x4A146BFF, 0xD414C133, 0x37134EBD, 0xA913E471,
0xB01A217B, 0x2E1A8BB7, 0xCD1D0439, 0x531DAEF5,
0xFF0F8E2C, 0x610F24E0, 0x8208AB6E, 0x1C0801A2,
0x0501C4A8, 0x9B016E64, 0x7806E1EA, 0xE6064B26
}
};

525
Externals/liblzma/check/crc32_table_le.h vendored Normal file
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@ -0,0 +1,525 @@
/* This file has been automatically generated by crc32_tablegen.c. */
const uint32_t lzma_crc32_table[8][256] = {
{
0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA,
0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3,
0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988,
0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91,
0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE,
0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7,
0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC,
0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5,
0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172,
0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B,
0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940,
0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59,
0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116,
0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F,
0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924,
0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D,
0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A,
0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433,
0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818,
0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01,
0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E,
0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457,
0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C,
0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65,
0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2,
0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB,
0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0,
0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9,
0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086,
0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F,
0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4,
0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD,
0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A,
0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683,
0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8,
0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1,
0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE,
0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7,
0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC,
0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5,
0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252,
0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B,
0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60,
0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79,
0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236,
0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F,
0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04,
0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D,
0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A,
0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713,
0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38,
0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21,
0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E,
0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777,
0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C,
0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45,
0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2,
0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB,
0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0,
0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9,
0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6,
0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF,
0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94,
0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D
}, {
0x00000000, 0x191B3141, 0x32366282, 0x2B2D53C3,
0x646CC504, 0x7D77F445, 0x565AA786, 0x4F4196C7,
0xC8D98A08, 0xD1C2BB49, 0xFAEFE88A, 0xE3F4D9CB,
0xACB54F0C, 0xB5AE7E4D, 0x9E832D8E, 0x87981CCF,
0x4AC21251, 0x53D92310, 0x78F470D3, 0x61EF4192,
0x2EAED755, 0x37B5E614, 0x1C98B5D7, 0x05838496,
0x821B9859, 0x9B00A918, 0xB02DFADB, 0xA936CB9A,
0xE6775D5D, 0xFF6C6C1C, 0xD4413FDF, 0xCD5A0E9E,
0x958424A2, 0x8C9F15E3, 0xA7B24620, 0xBEA97761,
0xF1E8E1A6, 0xE8F3D0E7, 0xC3DE8324, 0xDAC5B265,
0x5D5DAEAA, 0x44469FEB, 0x6F6BCC28, 0x7670FD69,
0x39316BAE, 0x202A5AEF, 0x0B07092C, 0x121C386D,
0xDF4636F3, 0xC65D07B2, 0xED705471, 0xF46B6530,
0xBB2AF3F7, 0xA231C2B6, 0x891C9175, 0x9007A034,
0x179FBCFB, 0x0E848DBA, 0x25A9DE79, 0x3CB2EF38,
0x73F379FF, 0x6AE848BE, 0x41C51B7D, 0x58DE2A3C,
0xF0794F05, 0xE9627E44, 0xC24F2D87, 0xDB541CC6,
0x94158A01, 0x8D0EBB40, 0xA623E883, 0xBF38D9C2,
0x38A0C50D, 0x21BBF44C, 0x0A96A78F, 0x138D96CE,
0x5CCC0009, 0x45D73148, 0x6EFA628B, 0x77E153CA,
0xBABB5D54, 0xA3A06C15, 0x888D3FD6, 0x91960E97,
0xDED79850, 0xC7CCA911, 0xECE1FAD2, 0xF5FACB93,
0x7262D75C, 0x6B79E61D, 0x4054B5DE, 0x594F849F,
0x160E1258, 0x0F152319, 0x243870DA, 0x3D23419B,
0x65FD6BA7, 0x7CE65AE6, 0x57CB0925, 0x4ED03864,
0x0191AEA3, 0x188A9FE2, 0x33A7CC21, 0x2ABCFD60,
0xAD24E1AF, 0xB43FD0EE, 0x9F12832D, 0x8609B26C,
0xC94824AB, 0xD05315EA, 0xFB7E4629, 0xE2657768,
0x2F3F79F6, 0x362448B7, 0x1D091B74, 0x04122A35,
0x4B53BCF2, 0x52488DB3, 0x7965DE70, 0x607EEF31,
0xE7E6F3FE, 0xFEFDC2BF, 0xD5D0917C, 0xCCCBA03D,
0x838A36FA, 0x9A9107BB, 0xB1BC5478, 0xA8A76539,
0x3B83984B, 0x2298A90A, 0x09B5FAC9, 0x10AECB88,
0x5FEF5D4F, 0x46F46C0E, 0x6DD93FCD, 0x74C20E8C,
0xF35A1243, 0xEA412302, 0xC16C70C1, 0xD8774180,
0x9736D747, 0x8E2DE606, 0xA500B5C5, 0xBC1B8484,
0x71418A1A, 0x685ABB5B, 0x4377E898, 0x5A6CD9D9,
0x152D4F1E, 0x0C367E5F, 0x271B2D9C, 0x3E001CDD,
0xB9980012, 0xA0833153, 0x8BAE6290, 0x92B553D1,
0xDDF4C516, 0xC4EFF457, 0xEFC2A794, 0xF6D996D5,
0xAE07BCE9, 0xB71C8DA8, 0x9C31DE6B, 0x852AEF2A,
0xCA6B79ED, 0xD37048AC, 0xF85D1B6F, 0xE1462A2E,
0x66DE36E1, 0x7FC507A0, 0x54E85463, 0x4DF36522,
0x02B2F3E5, 0x1BA9C2A4, 0x30849167, 0x299FA026,
0xE4C5AEB8, 0xFDDE9FF9, 0xD6F3CC3A, 0xCFE8FD7B,
0x80A96BBC, 0x99B25AFD, 0xB29F093E, 0xAB84387F,
0x2C1C24B0, 0x350715F1, 0x1E2A4632, 0x07317773,
0x4870E1B4, 0x516BD0F5, 0x7A468336, 0x635DB277,
0xCBFAD74E, 0xD2E1E60F, 0xF9CCB5CC, 0xE0D7848D,
0xAF96124A, 0xB68D230B, 0x9DA070C8, 0x84BB4189,
0x03235D46, 0x1A386C07, 0x31153FC4, 0x280E0E85,
0x674F9842, 0x7E54A903, 0x5579FAC0, 0x4C62CB81,
0x8138C51F, 0x9823F45E, 0xB30EA79D, 0xAA1596DC,
0xE554001B, 0xFC4F315A, 0xD7626299, 0xCE7953D8,
0x49E14F17, 0x50FA7E56, 0x7BD72D95, 0x62CC1CD4,
0x2D8D8A13, 0x3496BB52, 0x1FBBE891, 0x06A0D9D0,
0x5E7EF3EC, 0x4765C2AD, 0x6C48916E, 0x7553A02F,
0x3A1236E8, 0x230907A9, 0x0824546A, 0x113F652B,
0x96A779E4, 0x8FBC48A5, 0xA4911B66, 0xBD8A2A27,
0xF2CBBCE0, 0xEBD08DA1, 0xC0FDDE62, 0xD9E6EF23,
0x14BCE1BD, 0x0DA7D0FC, 0x268A833F, 0x3F91B27E,
0x70D024B9, 0x69CB15F8, 0x42E6463B, 0x5BFD777A,
0xDC656BB5, 0xC57E5AF4, 0xEE530937, 0xF7483876,
0xB809AEB1, 0xA1129FF0, 0x8A3FCC33, 0x9324FD72
}, {
0x00000000, 0x01C26A37, 0x0384D46E, 0x0246BE59,
0x0709A8DC, 0x06CBC2EB, 0x048D7CB2, 0x054F1685,
0x0E1351B8, 0x0FD13B8F, 0x0D9785D6, 0x0C55EFE1,
0x091AF964, 0x08D89353, 0x0A9E2D0A, 0x0B5C473D,
0x1C26A370, 0x1DE4C947, 0x1FA2771E, 0x1E601D29,
0x1B2F0BAC, 0x1AED619B, 0x18ABDFC2, 0x1969B5F5,
0x1235F2C8, 0x13F798FF, 0x11B126A6, 0x10734C91,
0x153C5A14, 0x14FE3023, 0x16B88E7A, 0x177AE44D,
0x384D46E0, 0x398F2CD7, 0x3BC9928E, 0x3A0BF8B9,
0x3F44EE3C, 0x3E86840B, 0x3CC03A52, 0x3D025065,
0x365E1758, 0x379C7D6F, 0x35DAC336, 0x3418A901,
0x3157BF84, 0x3095D5B3, 0x32D36BEA, 0x331101DD,
0x246BE590, 0x25A98FA7, 0x27EF31FE, 0x262D5BC9,
0x23624D4C, 0x22A0277B, 0x20E69922, 0x2124F315,
0x2A78B428, 0x2BBADE1F, 0x29FC6046, 0x283E0A71,
0x2D711CF4, 0x2CB376C3, 0x2EF5C89A, 0x2F37A2AD,
0x709A8DC0, 0x7158E7F7, 0x731E59AE, 0x72DC3399,
0x7793251C, 0x76514F2B, 0x7417F172, 0x75D59B45,
0x7E89DC78, 0x7F4BB64F, 0x7D0D0816, 0x7CCF6221,
0x798074A4, 0x78421E93, 0x7A04A0CA, 0x7BC6CAFD,
0x6CBC2EB0, 0x6D7E4487, 0x6F38FADE, 0x6EFA90E9,
0x6BB5866C, 0x6A77EC5B, 0x68315202, 0x69F33835,
0x62AF7F08, 0x636D153F, 0x612BAB66, 0x60E9C151,
0x65A6D7D4, 0x6464BDE3, 0x662203BA, 0x67E0698D,
0x48D7CB20, 0x4915A117, 0x4B531F4E, 0x4A917579,
0x4FDE63FC, 0x4E1C09CB, 0x4C5AB792, 0x4D98DDA5,
0x46C49A98, 0x4706F0AF, 0x45404EF6, 0x448224C1,
0x41CD3244, 0x400F5873, 0x4249E62A, 0x438B8C1D,
0x54F16850, 0x55330267, 0x5775BC3E, 0x56B7D609,
0x53F8C08C, 0x523AAABB, 0x507C14E2, 0x51BE7ED5,
0x5AE239E8, 0x5B2053DF, 0x5966ED86, 0x58A487B1,
0x5DEB9134, 0x5C29FB03, 0x5E6F455A, 0x5FAD2F6D,
0xE1351B80, 0xE0F771B7, 0xE2B1CFEE, 0xE373A5D9,
0xE63CB35C, 0xE7FED96B, 0xE5B86732, 0xE47A0D05,
0xEF264A38, 0xEEE4200F, 0xECA29E56, 0xED60F461,
0xE82FE2E4, 0xE9ED88D3, 0xEBAB368A, 0xEA695CBD,
0xFD13B8F0, 0xFCD1D2C7, 0xFE976C9E, 0xFF5506A9,
0xFA1A102C, 0xFBD87A1B, 0xF99EC442, 0xF85CAE75,
0xF300E948, 0xF2C2837F, 0xF0843D26, 0xF1465711,
0xF4094194, 0xF5CB2BA3, 0xF78D95FA, 0xF64FFFCD,
0xD9785D60, 0xD8BA3757, 0xDAFC890E, 0xDB3EE339,
0xDE71F5BC, 0xDFB39F8B, 0xDDF521D2, 0xDC374BE5,
0xD76B0CD8, 0xD6A966EF, 0xD4EFD8B6, 0xD52DB281,
0xD062A404, 0xD1A0CE33, 0xD3E6706A, 0xD2241A5D,
0xC55EFE10, 0xC49C9427, 0xC6DA2A7E, 0xC7184049,
0xC25756CC, 0xC3953CFB, 0xC1D382A2, 0xC011E895,
0xCB4DAFA8, 0xCA8FC59F, 0xC8C97BC6, 0xC90B11F1,
0xCC440774, 0xCD866D43, 0xCFC0D31A, 0xCE02B92D,
0x91AF9640, 0x906DFC77, 0x922B422E, 0x93E92819,
0x96A63E9C, 0x976454AB, 0x9522EAF2, 0x94E080C5,
0x9FBCC7F8, 0x9E7EADCF, 0x9C381396, 0x9DFA79A1,
0x98B56F24, 0x99770513, 0x9B31BB4A, 0x9AF3D17D,
0x8D893530, 0x8C4B5F07, 0x8E0DE15E, 0x8FCF8B69,
0x8A809DEC, 0x8B42F7DB, 0x89044982, 0x88C623B5,
0x839A6488, 0x82580EBF, 0x801EB0E6, 0x81DCDAD1,
0x8493CC54, 0x8551A663, 0x8717183A, 0x86D5720D,
0xA9E2D0A0, 0xA820BA97, 0xAA6604CE, 0xABA46EF9,
0xAEEB787C, 0xAF29124B, 0xAD6FAC12, 0xACADC625,
0xA7F18118, 0xA633EB2F, 0xA4755576, 0xA5B73F41,
0xA0F829C4, 0xA13A43F3, 0xA37CFDAA, 0xA2BE979D,
0xB5C473D0, 0xB40619E7, 0xB640A7BE, 0xB782CD89,
0xB2CDDB0C, 0xB30FB13B, 0xB1490F62, 0xB08B6555,
0xBBD72268, 0xBA15485F, 0xB853F606, 0xB9919C31,
0xBCDE8AB4, 0xBD1CE083, 0xBF5A5EDA, 0xBE9834ED
}, {
0x00000000, 0xB8BC6765, 0xAA09C88B, 0x12B5AFEE,
0x8F629757, 0x37DEF032, 0x256B5FDC, 0x9DD738B9,
0xC5B428EF, 0x7D084F8A, 0x6FBDE064, 0xD7018701,
0x4AD6BFB8, 0xF26AD8DD, 0xE0DF7733, 0x58631056,
0x5019579F, 0xE8A530FA, 0xFA109F14, 0x42ACF871,
0xDF7BC0C8, 0x67C7A7AD, 0x75720843, 0xCDCE6F26,
0x95AD7F70, 0x2D111815, 0x3FA4B7FB, 0x8718D09E,
0x1ACFE827, 0xA2738F42, 0xB0C620AC, 0x087A47C9,
0xA032AF3E, 0x188EC85B, 0x0A3B67B5, 0xB28700D0,
0x2F503869, 0x97EC5F0C, 0x8559F0E2, 0x3DE59787,
0x658687D1, 0xDD3AE0B4, 0xCF8F4F5A, 0x7733283F,
0xEAE41086, 0x525877E3, 0x40EDD80D, 0xF851BF68,
0xF02BF8A1, 0x48979FC4, 0x5A22302A, 0xE29E574F,
0x7F496FF6, 0xC7F50893, 0xD540A77D, 0x6DFCC018,
0x359FD04E, 0x8D23B72B, 0x9F9618C5, 0x272A7FA0,
0xBAFD4719, 0x0241207C, 0x10F48F92, 0xA848E8F7,
0x9B14583D, 0x23A83F58, 0x311D90B6, 0x89A1F7D3,
0x1476CF6A, 0xACCAA80F, 0xBE7F07E1, 0x06C36084,
0x5EA070D2, 0xE61C17B7, 0xF4A9B859, 0x4C15DF3C,
0xD1C2E785, 0x697E80E0, 0x7BCB2F0E, 0xC377486B,
0xCB0D0FA2, 0x73B168C7, 0x6104C729, 0xD9B8A04C,
0x446F98F5, 0xFCD3FF90, 0xEE66507E, 0x56DA371B,
0x0EB9274D, 0xB6054028, 0xA4B0EFC6, 0x1C0C88A3,
0x81DBB01A, 0x3967D77F, 0x2BD27891, 0x936E1FF4,
0x3B26F703, 0x839A9066, 0x912F3F88, 0x299358ED,
0xB4446054, 0x0CF80731, 0x1E4DA8DF, 0xA6F1CFBA,
0xFE92DFEC, 0x462EB889, 0x549B1767, 0xEC277002,
0x71F048BB, 0xC94C2FDE, 0xDBF98030, 0x6345E755,
0x6B3FA09C, 0xD383C7F9, 0xC1366817, 0x798A0F72,
0xE45D37CB, 0x5CE150AE, 0x4E54FF40, 0xF6E89825,
0xAE8B8873, 0x1637EF16, 0x048240F8, 0xBC3E279D,
0x21E91F24, 0x99557841, 0x8BE0D7AF, 0x335CB0CA,
0xED59B63B, 0x55E5D15E, 0x47507EB0, 0xFFEC19D5,
0x623B216C, 0xDA874609, 0xC832E9E7, 0x708E8E82,
0x28ED9ED4, 0x9051F9B1, 0x82E4565F, 0x3A58313A,
0xA78F0983, 0x1F336EE6, 0x0D86C108, 0xB53AA66D,
0xBD40E1A4, 0x05FC86C1, 0x1749292F, 0xAFF54E4A,
0x322276F3, 0x8A9E1196, 0x982BBE78, 0x2097D91D,
0x78F4C94B, 0xC048AE2E, 0xD2FD01C0, 0x6A4166A5,
0xF7965E1C, 0x4F2A3979, 0x5D9F9697, 0xE523F1F2,
0x4D6B1905, 0xF5D77E60, 0xE762D18E, 0x5FDEB6EB,
0xC2098E52, 0x7AB5E937, 0x680046D9, 0xD0BC21BC,
0x88DF31EA, 0x3063568F, 0x22D6F961, 0x9A6A9E04,
0x07BDA6BD, 0xBF01C1D8, 0xADB46E36, 0x15080953,
0x1D724E9A, 0xA5CE29FF, 0xB77B8611, 0x0FC7E174,
0x9210D9CD, 0x2AACBEA8, 0x38191146, 0x80A57623,
0xD8C66675, 0x607A0110, 0x72CFAEFE, 0xCA73C99B,
0x57A4F122, 0xEF189647, 0xFDAD39A9, 0x45115ECC,
0x764DEE06, 0xCEF18963, 0xDC44268D, 0x64F841E8,
0xF92F7951, 0x41931E34, 0x5326B1DA, 0xEB9AD6BF,
0xB3F9C6E9, 0x0B45A18C, 0x19F00E62, 0xA14C6907,
0x3C9B51BE, 0x842736DB, 0x96929935, 0x2E2EFE50,
0x2654B999, 0x9EE8DEFC, 0x8C5D7112, 0x34E11677,
0xA9362ECE, 0x118A49AB, 0x033FE645, 0xBB838120,
0xE3E09176, 0x5B5CF613, 0x49E959FD, 0xF1553E98,
0x6C820621, 0xD43E6144, 0xC68BCEAA, 0x7E37A9CF,
0xD67F4138, 0x6EC3265D, 0x7C7689B3, 0xC4CAEED6,
0x591DD66F, 0xE1A1B10A, 0xF3141EE4, 0x4BA87981,
0x13CB69D7, 0xAB770EB2, 0xB9C2A15C, 0x017EC639,
0x9CA9FE80, 0x241599E5, 0x36A0360B, 0x8E1C516E,
0x866616A7, 0x3EDA71C2, 0x2C6FDE2C, 0x94D3B949,
0x090481F0, 0xB1B8E695, 0xA30D497B, 0x1BB12E1E,
0x43D23E48, 0xFB6E592D, 0xE9DBF6C3, 0x516791A6,
0xCCB0A91F, 0x740CCE7A, 0x66B96194, 0xDE0506F1
}, {
0x00000000, 0x3D6029B0, 0x7AC05360, 0x47A07AD0,
0xF580A6C0, 0xC8E08F70, 0x8F40F5A0, 0xB220DC10,
0x30704BC1, 0x0D106271, 0x4AB018A1, 0x77D03111,
0xC5F0ED01, 0xF890C4B1, 0xBF30BE61, 0x825097D1,
0x60E09782, 0x5D80BE32, 0x1A20C4E2, 0x2740ED52,
0x95603142, 0xA80018F2, 0xEFA06222, 0xD2C04B92,
0x5090DC43, 0x6DF0F5F3, 0x2A508F23, 0x1730A693,
0xA5107A83, 0x98705333, 0xDFD029E3, 0xE2B00053,
0xC1C12F04, 0xFCA106B4, 0xBB017C64, 0x866155D4,
0x344189C4, 0x0921A074, 0x4E81DAA4, 0x73E1F314,
0xF1B164C5, 0xCCD14D75, 0x8B7137A5, 0xB6111E15,
0x0431C205, 0x3951EBB5, 0x7EF19165, 0x4391B8D5,
0xA121B886, 0x9C419136, 0xDBE1EBE6, 0xE681C256,
0x54A11E46, 0x69C137F6, 0x2E614D26, 0x13016496,
0x9151F347, 0xAC31DAF7, 0xEB91A027, 0xD6F18997,
0x64D15587, 0x59B17C37, 0x1E1106E7, 0x23712F57,
0x58F35849, 0x659371F9, 0x22330B29, 0x1F532299,
0xAD73FE89, 0x9013D739, 0xD7B3ADE9, 0xEAD38459,
0x68831388, 0x55E33A38, 0x124340E8, 0x2F236958,
0x9D03B548, 0xA0639CF8, 0xE7C3E628, 0xDAA3CF98,
0x3813CFCB, 0x0573E67B, 0x42D39CAB, 0x7FB3B51B,
0xCD93690B, 0xF0F340BB, 0xB7533A6B, 0x8A3313DB,
0x0863840A, 0x3503ADBA, 0x72A3D76A, 0x4FC3FEDA,
0xFDE322CA, 0xC0830B7A, 0x872371AA, 0xBA43581A,
0x9932774D, 0xA4525EFD, 0xE3F2242D, 0xDE920D9D,
0x6CB2D18D, 0x51D2F83D, 0x167282ED, 0x2B12AB5D,
0xA9423C8C, 0x9422153C, 0xD3826FEC, 0xEEE2465C,
0x5CC29A4C, 0x61A2B3FC, 0x2602C92C, 0x1B62E09C,
0xF9D2E0CF, 0xC4B2C97F, 0x8312B3AF, 0xBE729A1F,
0x0C52460F, 0x31326FBF, 0x7692156F, 0x4BF23CDF,
0xC9A2AB0E, 0xF4C282BE, 0xB362F86E, 0x8E02D1DE,
0x3C220DCE, 0x0142247E, 0x46E25EAE, 0x7B82771E,
0xB1E6B092, 0x8C869922, 0xCB26E3F2, 0xF646CA42,
0x44661652, 0x79063FE2, 0x3EA64532, 0x03C66C82,
0x8196FB53, 0xBCF6D2E3, 0xFB56A833, 0xC6368183,
0x74165D93, 0x49767423, 0x0ED60EF3, 0x33B62743,
0xD1062710, 0xEC660EA0, 0xABC67470, 0x96A65DC0,
0x248681D0, 0x19E6A860, 0x5E46D2B0, 0x6326FB00,
0xE1766CD1, 0xDC164561, 0x9BB63FB1, 0xA6D61601,
0x14F6CA11, 0x2996E3A1, 0x6E369971, 0x5356B0C1,
0x70279F96, 0x4D47B626, 0x0AE7CCF6, 0x3787E546,
0x85A73956, 0xB8C710E6, 0xFF676A36, 0xC2074386,
0x4057D457, 0x7D37FDE7, 0x3A978737, 0x07F7AE87,
0xB5D77297, 0x88B75B27, 0xCF1721F7, 0xF2770847,
0x10C70814, 0x2DA721A4, 0x6A075B74, 0x576772C4,
0xE547AED4, 0xD8278764, 0x9F87FDB4, 0xA2E7D404,
0x20B743D5, 0x1DD76A65, 0x5A7710B5, 0x67173905,
0xD537E515, 0xE857CCA5, 0xAFF7B675, 0x92979FC5,
0xE915E8DB, 0xD475C16B, 0x93D5BBBB, 0xAEB5920B,
0x1C954E1B, 0x21F567AB, 0x66551D7B, 0x5B3534CB,
0xD965A31A, 0xE4058AAA, 0xA3A5F07A, 0x9EC5D9CA,
0x2CE505DA, 0x11852C6A, 0x562556BA, 0x6B457F0A,
0x89F57F59, 0xB49556E9, 0xF3352C39, 0xCE550589,
0x7C75D999, 0x4115F029, 0x06B58AF9, 0x3BD5A349,
0xB9853498, 0x84E51D28, 0xC34567F8, 0xFE254E48,
0x4C059258, 0x7165BBE8, 0x36C5C138, 0x0BA5E888,
0x28D4C7DF, 0x15B4EE6F, 0x521494BF, 0x6F74BD0F,
0xDD54611F, 0xE03448AF, 0xA794327F, 0x9AF41BCF,
0x18A48C1E, 0x25C4A5AE, 0x6264DF7E, 0x5F04F6CE,
0xED242ADE, 0xD044036E, 0x97E479BE, 0xAA84500E,
0x4834505D, 0x755479ED, 0x32F4033D, 0x0F942A8D,
0xBDB4F69D, 0x80D4DF2D, 0xC774A5FD, 0xFA148C4D,
0x78441B9C, 0x4524322C, 0x028448FC, 0x3FE4614C,
0x8DC4BD5C, 0xB0A494EC, 0xF704EE3C, 0xCA64C78C
}, {
0x00000000, 0xCB5CD3A5, 0x4DC8A10B, 0x869472AE,
0x9B914216, 0x50CD91B3, 0xD659E31D, 0x1D0530B8,
0xEC53826D, 0x270F51C8, 0xA19B2366, 0x6AC7F0C3,
0x77C2C07B, 0xBC9E13DE, 0x3A0A6170, 0xF156B2D5,
0x03D6029B, 0xC88AD13E, 0x4E1EA390, 0x85427035,
0x9847408D, 0x531B9328, 0xD58FE186, 0x1ED33223,
0xEF8580F6, 0x24D95353, 0xA24D21FD, 0x6911F258,
0x7414C2E0, 0xBF481145, 0x39DC63EB, 0xF280B04E,
0x07AC0536, 0xCCF0D693, 0x4A64A43D, 0x81387798,
0x9C3D4720, 0x57619485, 0xD1F5E62B, 0x1AA9358E,
0xEBFF875B, 0x20A354FE, 0xA6372650, 0x6D6BF5F5,
0x706EC54D, 0xBB3216E8, 0x3DA66446, 0xF6FAB7E3,
0x047A07AD, 0xCF26D408, 0x49B2A6A6, 0x82EE7503,
0x9FEB45BB, 0x54B7961E, 0xD223E4B0, 0x197F3715,
0xE82985C0, 0x23755665, 0xA5E124CB, 0x6EBDF76E,
0x73B8C7D6, 0xB8E41473, 0x3E7066DD, 0xF52CB578,
0x0F580A6C, 0xC404D9C9, 0x4290AB67, 0x89CC78C2,
0x94C9487A, 0x5F959BDF, 0xD901E971, 0x125D3AD4,
0xE30B8801, 0x28575BA4, 0xAEC3290A, 0x659FFAAF,
0x789ACA17, 0xB3C619B2, 0x35526B1C, 0xFE0EB8B9,
0x0C8E08F7, 0xC7D2DB52, 0x4146A9FC, 0x8A1A7A59,
0x971F4AE1, 0x5C439944, 0xDAD7EBEA, 0x118B384F,
0xE0DD8A9A, 0x2B81593F, 0xAD152B91, 0x6649F834,
0x7B4CC88C, 0xB0101B29, 0x36846987, 0xFDD8BA22,
0x08F40F5A, 0xC3A8DCFF, 0x453CAE51, 0x8E607DF4,
0x93654D4C, 0x58399EE9, 0xDEADEC47, 0x15F13FE2,
0xE4A78D37, 0x2FFB5E92, 0xA96F2C3C, 0x6233FF99,
0x7F36CF21, 0xB46A1C84, 0x32FE6E2A, 0xF9A2BD8F,
0x0B220DC1, 0xC07EDE64, 0x46EAACCA, 0x8DB67F6F,
0x90B34FD7, 0x5BEF9C72, 0xDD7BEEDC, 0x16273D79,
0xE7718FAC, 0x2C2D5C09, 0xAAB92EA7, 0x61E5FD02,
0x7CE0CDBA, 0xB7BC1E1F, 0x31286CB1, 0xFA74BF14,
0x1EB014D8, 0xD5ECC77D, 0x5378B5D3, 0x98246676,
0x852156CE, 0x4E7D856B, 0xC8E9F7C5, 0x03B52460,
0xF2E396B5, 0x39BF4510, 0xBF2B37BE, 0x7477E41B,
0x6972D4A3, 0xA22E0706, 0x24BA75A8, 0xEFE6A60D,
0x1D661643, 0xD63AC5E6, 0x50AEB748, 0x9BF264ED,
0x86F75455, 0x4DAB87F0, 0xCB3FF55E, 0x006326FB,
0xF135942E, 0x3A69478B, 0xBCFD3525, 0x77A1E680,
0x6AA4D638, 0xA1F8059D, 0x276C7733, 0xEC30A496,
0x191C11EE, 0xD240C24B, 0x54D4B0E5, 0x9F886340,
0x828D53F8, 0x49D1805D, 0xCF45F2F3, 0x04192156,
0xF54F9383, 0x3E134026, 0xB8873288, 0x73DBE12D,
0x6EDED195, 0xA5820230, 0x2316709E, 0xE84AA33B,
0x1ACA1375, 0xD196C0D0, 0x5702B27E, 0x9C5E61DB,
0x815B5163, 0x4A0782C6, 0xCC93F068, 0x07CF23CD,
0xF6999118, 0x3DC542BD, 0xBB513013, 0x700DE3B6,
0x6D08D30E, 0xA65400AB, 0x20C07205, 0xEB9CA1A0,
0x11E81EB4, 0xDAB4CD11, 0x5C20BFBF, 0x977C6C1A,
0x8A795CA2, 0x41258F07, 0xC7B1FDA9, 0x0CED2E0C,
0xFDBB9CD9, 0x36E74F7C, 0xB0733DD2, 0x7B2FEE77,
0x662ADECF, 0xAD760D6A, 0x2BE27FC4, 0xE0BEAC61,
0x123E1C2F, 0xD962CF8A, 0x5FF6BD24, 0x94AA6E81,
0x89AF5E39, 0x42F38D9C, 0xC467FF32, 0x0F3B2C97,
0xFE6D9E42, 0x35314DE7, 0xB3A53F49, 0x78F9ECEC,
0x65FCDC54, 0xAEA00FF1, 0x28347D5F, 0xE368AEFA,
0x16441B82, 0xDD18C827, 0x5B8CBA89, 0x90D0692C,
0x8DD55994, 0x46898A31, 0xC01DF89F, 0x0B412B3A,
0xFA1799EF, 0x314B4A4A, 0xB7DF38E4, 0x7C83EB41,
0x6186DBF9, 0xAADA085C, 0x2C4E7AF2, 0xE712A957,
0x15921919, 0xDECECABC, 0x585AB812, 0x93066BB7,
0x8E035B0F, 0x455F88AA, 0xC3CBFA04, 0x089729A1,
0xF9C19B74, 0x329D48D1, 0xB4093A7F, 0x7F55E9DA,
0x6250D962, 0xA90C0AC7, 0x2F987869, 0xE4C4ABCC
}, {
0x00000000, 0xA6770BB4, 0x979F1129, 0x31E81A9D,
0xF44F2413, 0x52382FA7, 0x63D0353A, 0xC5A73E8E,
0x33EF4E67, 0x959845D3, 0xA4705F4E, 0x020754FA,
0xC7A06A74, 0x61D761C0, 0x503F7B5D, 0xF64870E9,
0x67DE9CCE, 0xC1A9977A, 0xF0418DE7, 0x56368653,
0x9391B8DD, 0x35E6B369, 0x040EA9F4, 0xA279A240,
0x5431D2A9, 0xF246D91D, 0xC3AEC380, 0x65D9C834,
0xA07EF6BA, 0x0609FD0E, 0x37E1E793, 0x9196EC27,
0xCFBD399C, 0x69CA3228, 0x582228B5, 0xFE552301,
0x3BF21D8F, 0x9D85163B, 0xAC6D0CA6, 0x0A1A0712,
0xFC5277FB, 0x5A257C4F, 0x6BCD66D2, 0xCDBA6D66,
0x081D53E8, 0xAE6A585C, 0x9F8242C1, 0x39F54975,
0xA863A552, 0x0E14AEE6, 0x3FFCB47B, 0x998BBFCF,
0x5C2C8141, 0xFA5B8AF5, 0xCBB39068, 0x6DC49BDC,
0x9B8CEB35, 0x3DFBE081, 0x0C13FA1C, 0xAA64F1A8,
0x6FC3CF26, 0xC9B4C492, 0xF85CDE0F, 0x5E2BD5BB,
0x440B7579, 0xE27C7ECD, 0xD3946450, 0x75E36FE4,
0xB044516A, 0x16335ADE, 0x27DB4043, 0x81AC4BF7,
0x77E43B1E, 0xD19330AA, 0xE07B2A37, 0x460C2183,
0x83AB1F0D, 0x25DC14B9, 0x14340E24, 0xB2430590,
0x23D5E9B7, 0x85A2E203, 0xB44AF89E, 0x123DF32A,
0xD79ACDA4, 0x71EDC610, 0x4005DC8D, 0xE672D739,
0x103AA7D0, 0xB64DAC64, 0x87A5B6F9, 0x21D2BD4D,
0xE47583C3, 0x42028877, 0x73EA92EA, 0xD59D995E,
0x8BB64CE5, 0x2DC14751, 0x1C295DCC, 0xBA5E5678,
0x7FF968F6, 0xD98E6342, 0xE86679DF, 0x4E11726B,
0xB8590282, 0x1E2E0936, 0x2FC613AB, 0x89B1181F,
0x4C162691, 0xEA612D25, 0xDB8937B8, 0x7DFE3C0C,
0xEC68D02B, 0x4A1FDB9F, 0x7BF7C102, 0xDD80CAB6,
0x1827F438, 0xBE50FF8C, 0x8FB8E511, 0x29CFEEA5,
0xDF879E4C, 0x79F095F8, 0x48188F65, 0xEE6F84D1,
0x2BC8BA5F, 0x8DBFB1EB, 0xBC57AB76, 0x1A20A0C2,
0x8816EAF2, 0x2E61E146, 0x1F89FBDB, 0xB9FEF06F,
0x7C59CEE1, 0xDA2EC555, 0xEBC6DFC8, 0x4DB1D47C,
0xBBF9A495, 0x1D8EAF21, 0x2C66B5BC, 0x8A11BE08,
0x4FB68086, 0xE9C18B32, 0xD82991AF, 0x7E5E9A1B,
0xEFC8763C, 0x49BF7D88, 0x78576715, 0xDE206CA1,
0x1B87522F, 0xBDF0599B, 0x8C184306, 0x2A6F48B2,
0xDC27385B, 0x7A5033EF, 0x4BB82972, 0xEDCF22C6,
0x28681C48, 0x8E1F17FC, 0xBFF70D61, 0x198006D5,
0x47ABD36E, 0xE1DCD8DA, 0xD034C247, 0x7643C9F3,
0xB3E4F77D, 0x1593FCC9, 0x247BE654, 0x820CEDE0,
0x74449D09, 0xD23396BD, 0xE3DB8C20, 0x45AC8794,
0x800BB91A, 0x267CB2AE, 0x1794A833, 0xB1E3A387,
0x20754FA0, 0x86024414, 0xB7EA5E89, 0x119D553D,
0xD43A6BB3, 0x724D6007, 0x43A57A9A, 0xE5D2712E,
0x139A01C7, 0xB5ED0A73, 0x840510EE, 0x22721B5A,
0xE7D525D4, 0x41A22E60, 0x704A34FD, 0xD63D3F49,
0xCC1D9F8B, 0x6A6A943F, 0x5B828EA2, 0xFDF58516,
0x3852BB98, 0x9E25B02C, 0xAFCDAAB1, 0x09BAA105,
0xFFF2D1EC, 0x5985DA58, 0x686DC0C5, 0xCE1ACB71,
0x0BBDF5FF, 0xADCAFE4B, 0x9C22E4D6, 0x3A55EF62,
0xABC30345, 0x0DB408F1, 0x3C5C126C, 0x9A2B19D8,
0x5F8C2756, 0xF9FB2CE2, 0xC813367F, 0x6E643DCB,
0x982C4D22, 0x3E5B4696, 0x0FB35C0B, 0xA9C457BF,
0x6C636931, 0xCA146285, 0xFBFC7818, 0x5D8B73AC,
0x03A0A617, 0xA5D7ADA3, 0x943FB73E, 0x3248BC8A,
0xF7EF8204, 0x519889B0, 0x6070932D, 0xC6079899,
0x304FE870, 0x9638E3C4, 0xA7D0F959, 0x01A7F2ED,
0xC400CC63, 0x6277C7D7, 0x539FDD4A, 0xF5E8D6FE,
0x647E3AD9, 0xC209316D, 0xF3E12BF0, 0x55962044,
0x90311ECA, 0x3646157E, 0x07AE0FE3, 0xA1D90457,
0x579174BE, 0xF1E67F0A, 0xC00E6597, 0x66796E23,
0xA3DE50AD, 0x05A95B19, 0x34414184, 0x92364A30
}, {
0x00000000, 0xCCAA009E, 0x4225077D, 0x8E8F07E3,
0x844A0EFA, 0x48E00E64, 0xC66F0987, 0x0AC50919,
0xD3E51BB5, 0x1F4F1B2B, 0x91C01CC8, 0x5D6A1C56,
0x57AF154F, 0x9B0515D1, 0x158A1232, 0xD92012AC,
0x7CBB312B, 0xB01131B5, 0x3E9E3656, 0xF23436C8,
0xF8F13FD1, 0x345B3F4F, 0xBAD438AC, 0x767E3832,
0xAF5E2A9E, 0x63F42A00, 0xED7B2DE3, 0x21D12D7D,
0x2B142464, 0xE7BE24FA, 0x69312319, 0xA59B2387,
0xF9766256, 0x35DC62C8, 0xBB53652B, 0x77F965B5,
0x7D3C6CAC, 0xB1966C32, 0x3F196BD1, 0xF3B36B4F,
0x2A9379E3, 0xE639797D, 0x68B67E9E, 0xA41C7E00,
0xAED97719, 0x62737787, 0xECFC7064, 0x205670FA,
0x85CD537D, 0x496753E3, 0xC7E85400, 0x0B42549E,
0x01875D87, 0xCD2D5D19, 0x43A25AFA, 0x8F085A64,
0x562848C8, 0x9A824856, 0x140D4FB5, 0xD8A74F2B,
0xD2624632, 0x1EC846AC, 0x9047414F, 0x5CED41D1,
0x299DC2ED, 0xE537C273, 0x6BB8C590, 0xA712C50E,
0xADD7CC17, 0x617DCC89, 0xEFF2CB6A, 0x2358CBF4,
0xFA78D958, 0x36D2D9C6, 0xB85DDE25, 0x74F7DEBB,
0x7E32D7A2, 0xB298D73C, 0x3C17D0DF, 0xF0BDD041,
0x5526F3C6, 0x998CF358, 0x1703F4BB, 0xDBA9F425,
0xD16CFD3C, 0x1DC6FDA2, 0x9349FA41, 0x5FE3FADF,
0x86C3E873, 0x4A69E8ED, 0xC4E6EF0E, 0x084CEF90,
0x0289E689, 0xCE23E617, 0x40ACE1F4, 0x8C06E16A,
0xD0EBA0BB, 0x1C41A025, 0x92CEA7C6, 0x5E64A758,
0x54A1AE41, 0x980BAEDF, 0x1684A93C, 0xDA2EA9A2,
0x030EBB0E, 0xCFA4BB90, 0x412BBC73, 0x8D81BCED,
0x8744B5F4, 0x4BEEB56A, 0xC561B289, 0x09CBB217,
0xAC509190, 0x60FA910E, 0xEE7596ED, 0x22DF9673,
0x281A9F6A, 0xE4B09FF4, 0x6A3F9817, 0xA6959889,
0x7FB58A25, 0xB31F8ABB, 0x3D908D58, 0xF13A8DC6,
0xFBFF84DF, 0x37558441, 0xB9DA83A2, 0x7570833C,
0x533B85DA, 0x9F918544, 0x111E82A7, 0xDDB48239,
0xD7718B20, 0x1BDB8BBE, 0x95548C5D, 0x59FE8CC3,
0x80DE9E6F, 0x4C749EF1, 0xC2FB9912, 0x0E51998C,
0x04949095, 0xC83E900B, 0x46B197E8, 0x8A1B9776,
0x2F80B4F1, 0xE32AB46F, 0x6DA5B38C, 0xA10FB312,
0xABCABA0B, 0x6760BA95, 0xE9EFBD76, 0x2545BDE8,
0xFC65AF44, 0x30CFAFDA, 0xBE40A839, 0x72EAA8A7,
0x782FA1BE, 0xB485A120, 0x3A0AA6C3, 0xF6A0A65D,
0xAA4DE78C, 0x66E7E712, 0xE868E0F1, 0x24C2E06F,
0x2E07E976, 0xE2ADE9E8, 0x6C22EE0B, 0xA088EE95,
0x79A8FC39, 0xB502FCA7, 0x3B8DFB44, 0xF727FBDA,
0xFDE2F2C3, 0x3148F25D, 0xBFC7F5BE, 0x736DF520,
0xD6F6D6A7, 0x1A5CD639, 0x94D3D1DA, 0x5879D144,
0x52BCD85D, 0x9E16D8C3, 0x1099DF20, 0xDC33DFBE,
0x0513CD12, 0xC9B9CD8C, 0x4736CA6F, 0x8B9CCAF1,
0x8159C3E8, 0x4DF3C376, 0xC37CC495, 0x0FD6C40B,
0x7AA64737, 0xB60C47A9, 0x3883404A, 0xF42940D4,
0xFEEC49CD, 0x32464953, 0xBCC94EB0, 0x70634E2E,
0xA9435C82, 0x65E95C1C, 0xEB665BFF, 0x27CC5B61,
0x2D095278, 0xE1A352E6, 0x6F2C5505, 0xA386559B,
0x061D761C, 0xCAB77682, 0x44387161, 0x889271FF,
0x825778E6, 0x4EFD7878, 0xC0727F9B, 0x0CD87F05,
0xD5F86DA9, 0x19526D37, 0x97DD6AD4, 0x5B776A4A,
0x51B26353, 0x9D1863CD, 0x1397642E, 0xDF3D64B0,
0x83D02561, 0x4F7A25FF, 0xC1F5221C, 0x0D5F2282,
0x079A2B9B, 0xCB302B05, 0x45BF2CE6, 0x89152C78,
0x50353ED4, 0x9C9F3E4A, 0x121039A9, 0xDEBA3937,
0xD47F302E, 0x18D530B0, 0x965A3753, 0x5AF037CD,
0xFF6B144A, 0x33C114D4, 0xBD4E1337, 0x71E413A9,
0x7B211AB0, 0xB78B1A2E, 0x39041DCD, 0xF5AE1D53,
0x2C8E0FFF, 0xE0240F61, 0x6EAB0882, 0xA201081C,
0xA8C40105, 0x646E019B, 0xEAE10678, 0x264B06E6
}
};

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///////////////////////////////////////////////////////////////////////////////
//
/// \file crc32_tablegen.c
/// \brief Generate crc32_table_le.h and crc32_table_be.h
///
/// Compiling: gcc -std=c99 -o crc32_tablegen crc32_tablegen.c
/// Add -DWORDS_BIGENDIAN to generate big endian table.
/// Add -DLZ_HASH_TABLE to generate lz_encoder_hash_table.h (little endian).
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include <stdio.h>
#include "tuklib_integer.h"
static uint32_t crc32_table[8][256];
static void
init_crc32_table(void)
{
static const uint32_t poly32 = UINT32_C(0xEDB88320);
for (size_t s = 0; s < 8; ++s) {
for (size_t b = 0; b < 256; ++b) {
uint32_t r = s == 0 ? b : crc32_table[s - 1][b];
for (size_t i = 0; i < 8; ++i) {
if (r & 1)
r = (r >> 1) ^ poly32;
else
r >>= 1;
}
crc32_table[s][b] = r;
}
}
#ifdef WORDS_BIGENDIAN
for (size_t s = 0; s < 8; ++s)
for (size_t b = 0; b < 256; ++b)
crc32_table[s][b] = bswap32(crc32_table[s][b]);
#endif
return;
}
static void
print_crc32_table(void)
{
printf("/* This file has been automatically generated by "
"crc32_tablegen.c. */\n\n"
"const uint32_t lzma_crc32_table[8][256] = {\n\t{");
for (size_t s = 0; s < 8; ++s) {
for (size_t b = 0; b < 256; ++b) {
if ((b % 4) == 0)
printf("\n\t\t");
printf("0x%08" PRIX32, crc32_table[s][b]);
if (b != 255)
printf(",%s", (b+1) % 4 == 0 ? "" : " ");
}
if (s == 7)
printf("\n\t}\n};\n");
else
printf("\n\t}, {");
}
return;
}
static void
print_lz_table(void)
{
printf("/* This file has been automatically generated by "
"crc32_tablegen.c. */\n\n"
"const uint32_t lzma_lz_hash_table[256] = {");
for (size_t b = 0; b < 256; ++b) {
if ((b % 4) == 0)
printf("\n\t");
printf("0x%08" PRIX32, crc32_table[0][b]);
if (b != 255)
printf(",%s", (b+1) % 4 == 0 ? "" : " ");
}
printf("\n};\n");
return;
}
int
main(void)
{
init_crc32_table();
#ifdef LZ_HASH_TABLE
print_lz_table();
#else
print_crc32_table();
#endif
return 0;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file crc64.c
/// \brief CRC64 calculation
///
/// Calculate the CRC64 using the slice-by-four algorithm. This is the same
/// idea that is used in crc32_fast.c, but for CRC64 we use only four tables
/// instead of eight to avoid increasing CPU cache usage.
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "check.h"
#include "crc_macros.h"
#ifdef WORDS_BIGENDIAN
# define A1(x) ((x) >> 56)
#else
# define A1 A
#endif
// See the comments in crc32_fast.c. They aren't duplicated here.
extern LZMA_API(uint64_t)
lzma_crc64(const uint8_t *buf, size_t size, uint64_t crc)
{
crc = ~crc;
#ifdef WORDS_BIGENDIAN
crc = bswap64(crc);
#endif
if (size > 4) {
while ((uintptr_t)(buf) & 3) {
crc = lzma_crc64_table[0][*buf++ ^ A1(crc)] ^ S8(crc);
--size;
}
const uint8_t *const limit = buf + (size & ~(size_t)(3));
size &= (size_t)(3);
while (buf < limit) {
#ifdef WORDS_BIGENDIAN
const uint32_t tmp = (crc >> 32)
^ *(const uint32_t *)(buf);
#else
const uint32_t tmp = crc ^ *(const uint32_t *)(buf);
#endif
buf += 4;
crc = lzma_crc64_table[3][A(tmp)]
^ lzma_crc64_table[2][B(tmp)]
^ S32(crc)
^ lzma_crc64_table[1][C(tmp)]
^ lzma_crc64_table[0][D(tmp)];
}
}
while (size-- != 0)
crc = lzma_crc64_table[0][*buf++ ^ A1(crc)] ^ S8(crc);
#ifdef WORDS_BIGENDIAN
crc = bswap64(crc);
#endif
return ~crc;
}

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Externals/liblzma/check/crc64_table.c vendored Normal file
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///////////////////////////////////////////////////////////////////////////////
//
/// \file crc64_table.c
/// \brief Precalculated CRC64 table with correct endianness
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "common.h"
#ifdef WORDS_BIGENDIAN
# include "crc64_table_be.h"
#else
# include "crc64_table_le.h"
#endif

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/* This file has been automatically generated by crc64_tablegen.c. */
const uint64_t lzma_crc64_table[4][256] = {
{
UINT64_C(0x0000000000000000), UINT64_C(0x6F5FA703BE4C2EB3),
UINT64_C(0x5BA040A8573684F4), UINT64_C(0x34FFE7ABE97AAA47),
UINT64_C(0x335E8FFF84C3D07B), UINT64_C(0x5C0128FC3A8FFEC8),
UINT64_C(0x68FECF57D3F5548F), UINT64_C(0x07A168546DB97A3C),
UINT64_C(0x66BC1EFF0987A1F7), UINT64_C(0x09E3B9FCB7CB8F44),
UINT64_C(0x3D1C5E575EB12503), UINT64_C(0x5243F954E0FD0BB0),
UINT64_C(0x55E291008D44718C), UINT64_C(0x3ABD360333085F3F),
UINT64_C(0x0E42D1A8DA72F578), UINT64_C(0x611D76AB643EDBCB),
UINT64_C(0x4966335138A19B7D), UINT64_C(0x2639945286EDB5CE),
UINT64_C(0x12C673F96F971F89), UINT64_C(0x7D99D4FAD1DB313A),
UINT64_C(0x7A38BCAEBC624B06), UINT64_C(0x15671BAD022E65B5),
UINT64_C(0x2198FC06EB54CFF2), UINT64_C(0x4EC75B055518E141),
UINT64_C(0x2FDA2DAE31263A8A), UINT64_C(0x40858AAD8F6A1439),
UINT64_C(0x747A6D066610BE7E), UINT64_C(0x1B25CA05D85C90CD),
UINT64_C(0x1C84A251B5E5EAF1), UINT64_C(0x73DB05520BA9C442),
UINT64_C(0x4724E2F9E2D36E05), UINT64_C(0x287B45FA5C9F40B6),
UINT64_C(0x92CC66A2704237FB), UINT64_C(0xFD93C1A1CE0E1948),
UINT64_C(0xC96C260A2774B30F), UINT64_C(0xA633810999389DBC),
UINT64_C(0xA192E95DF481E780), UINT64_C(0xCECD4E5E4ACDC933),
UINT64_C(0xFA32A9F5A3B76374), UINT64_C(0x956D0EF61DFB4DC7),
UINT64_C(0xF470785D79C5960C), UINT64_C(0x9B2FDF5EC789B8BF),
UINT64_C(0xAFD038F52EF312F8), UINT64_C(0xC08F9FF690BF3C4B),
UINT64_C(0xC72EF7A2FD064677), UINT64_C(0xA87150A1434A68C4),
UINT64_C(0x9C8EB70AAA30C283), UINT64_C(0xF3D11009147CEC30),
UINT64_C(0xDBAA55F348E3AC86), UINT64_C(0xB4F5F2F0F6AF8235),
UINT64_C(0x800A155B1FD52872), UINT64_C(0xEF55B258A19906C1),
UINT64_C(0xE8F4DA0CCC207CFD), UINT64_C(0x87AB7D0F726C524E),
UINT64_C(0xB3549AA49B16F809), UINT64_C(0xDC0B3DA7255AD6BA),
UINT64_C(0xBD164B0C41640D71), UINT64_C(0xD249EC0FFF2823C2),
UINT64_C(0xE6B60BA416528985), UINT64_C(0x89E9ACA7A81EA736),
UINT64_C(0x8E48C4F3C5A7DD0A), UINT64_C(0xE11763F07BEBF3B9),
UINT64_C(0xD5E8845B929159FE), UINT64_C(0xBAB723582CDD774D),
UINT64_C(0xA187C3EBCA2BB664), UINT64_C(0xCED864E8746798D7),
UINT64_C(0xFA2783439D1D3290), UINT64_C(0x9578244023511C23),
UINT64_C(0x92D94C144EE8661F), UINT64_C(0xFD86EB17F0A448AC),
UINT64_C(0xC9790CBC19DEE2EB), UINT64_C(0xA626ABBFA792CC58),
UINT64_C(0xC73BDD14C3AC1793), UINT64_C(0xA8647A177DE03920),
UINT64_C(0x9C9B9DBC949A9367), UINT64_C(0xF3C43ABF2AD6BDD4),
UINT64_C(0xF46552EB476FC7E8), UINT64_C(0x9B3AF5E8F923E95B),
UINT64_C(0xAFC512431059431C), UINT64_C(0xC09AB540AE156DAF),
UINT64_C(0xE8E1F0BAF28A2D19), UINT64_C(0x87BE57B94CC603AA),
UINT64_C(0xB341B012A5BCA9ED), UINT64_C(0xDC1E17111BF0875E),
UINT64_C(0xDBBF7F457649FD62), UINT64_C(0xB4E0D846C805D3D1),
UINT64_C(0x801F3FED217F7996), UINT64_C(0xEF4098EE9F335725),
UINT64_C(0x8E5DEE45FB0D8CEE), UINT64_C(0xE10249464541A25D),
UINT64_C(0xD5FDAEEDAC3B081A), UINT64_C(0xBAA209EE127726A9),
UINT64_C(0xBD0361BA7FCE5C95), UINT64_C(0xD25CC6B9C1827226),
UINT64_C(0xE6A3211228F8D861), UINT64_C(0x89FC861196B4F6D2),
UINT64_C(0x334BA549BA69819F), UINT64_C(0x5C14024A0425AF2C),
UINT64_C(0x68EBE5E1ED5F056B), UINT64_C(0x07B442E253132BD8),
UINT64_C(0x00152AB63EAA51E4), UINT64_C(0x6F4A8DB580E67F57),
UINT64_C(0x5BB56A1E699CD510), UINT64_C(0x34EACD1DD7D0FBA3),
UINT64_C(0x55F7BBB6B3EE2068), UINT64_C(0x3AA81CB50DA20EDB),
UINT64_C(0x0E57FB1EE4D8A49C), UINT64_C(0x61085C1D5A948A2F),
UINT64_C(0x66A93449372DF013), UINT64_C(0x09F6934A8961DEA0),
UINT64_C(0x3D0974E1601B74E7), UINT64_C(0x5256D3E2DE575A54),
UINT64_C(0x7A2D961882C81AE2), UINT64_C(0x1572311B3C843451),
UINT64_C(0x218DD6B0D5FE9E16), UINT64_C(0x4ED271B36BB2B0A5),
UINT64_C(0x497319E7060BCA99), UINT64_C(0x262CBEE4B847E42A),
UINT64_C(0x12D3594F513D4E6D), UINT64_C(0x7D8CFE4CEF7160DE),
UINT64_C(0x1C9188E78B4FBB15), UINT64_C(0x73CE2FE4350395A6),
UINT64_C(0x4731C84FDC793FE1), UINT64_C(0x286E6F4C62351152),
UINT64_C(0x2FCF07180F8C6B6E), UINT64_C(0x4090A01BB1C045DD),
UINT64_C(0x746F47B058BAEF9A), UINT64_C(0x1B30E0B3E6F6C129),
UINT64_C(0x420F87D795576CC9), UINT64_C(0x2D5020D42B1B427A),
UINT64_C(0x19AFC77FC261E83D), UINT64_C(0x76F0607C7C2DC68E),
UINT64_C(0x715108281194BCB2), UINT64_C(0x1E0EAF2BAFD89201),
UINT64_C(0x2AF1488046A23846), UINT64_C(0x45AEEF83F8EE16F5),
UINT64_C(0x24B399289CD0CD3E), UINT64_C(0x4BEC3E2B229CE38D),
UINT64_C(0x7F13D980CBE649CA), UINT64_C(0x104C7E8375AA6779),
UINT64_C(0x17ED16D718131D45), UINT64_C(0x78B2B1D4A65F33F6),
UINT64_C(0x4C4D567F4F2599B1), UINT64_C(0x2312F17CF169B702),
UINT64_C(0x0B69B486ADF6F7B4), UINT64_C(0x6436138513BAD907),
UINT64_C(0x50C9F42EFAC07340), UINT64_C(0x3F96532D448C5DF3),
UINT64_C(0x38373B79293527CF), UINT64_C(0x57689C7A9779097C),
UINT64_C(0x63977BD17E03A33B), UINT64_C(0x0CC8DCD2C04F8D88),
UINT64_C(0x6DD5AA79A4715643), UINT64_C(0x028A0D7A1A3D78F0),
UINT64_C(0x3675EAD1F347D2B7), UINT64_C(0x592A4DD24D0BFC04),
UINT64_C(0x5E8B258620B28638), UINT64_C(0x31D482859EFEA88B),
UINT64_C(0x052B652E778402CC), UINT64_C(0x6A74C22DC9C82C7F),
UINT64_C(0xD0C3E175E5155B32), UINT64_C(0xBF9C46765B597581),
UINT64_C(0x8B63A1DDB223DFC6), UINT64_C(0xE43C06DE0C6FF175),
UINT64_C(0xE39D6E8A61D68B49), UINT64_C(0x8CC2C989DF9AA5FA),
UINT64_C(0xB83D2E2236E00FBD), UINT64_C(0xD762892188AC210E),
UINT64_C(0xB67FFF8AEC92FAC5), UINT64_C(0xD920588952DED476),
UINT64_C(0xEDDFBF22BBA47E31), UINT64_C(0x8280182105E85082),
UINT64_C(0x8521707568512ABE), UINT64_C(0xEA7ED776D61D040D),
UINT64_C(0xDE8130DD3F67AE4A), UINT64_C(0xB1DE97DE812B80F9),
UINT64_C(0x99A5D224DDB4C04F), UINT64_C(0xF6FA752763F8EEFC),
UINT64_C(0xC205928C8A8244BB), UINT64_C(0xAD5A358F34CE6A08),
UINT64_C(0xAAFB5DDB59771034), UINT64_C(0xC5A4FAD8E73B3E87),
UINT64_C(0xF15B1D730E4194C0), UINT64_C(0x9E04BA70B00DBA73),
UINT64_C(0xFF19CCDBD43361B8), UINT64_C(0x90466BD86A7F4F0B),
UINT64_C(0xA4B98C738305E54C), UINT64_C(0xCBE62B703D49CBFF),
UINT64_C(0xCC47432450F0B1C3), UINT64_C(0xA318E427EEBC9F70),
UINT64_C(0x97E7038C07C63537), UINT64_C(0xF8B8A48FB98A1B84),
UINT64_C(0xE388443C5F7CDAAD), UINT64_C(0x8CD7E33FE130F41E),
UINT64_C(0xB8280494084A5E59), UINT64_C(0xD777A397B60670EA),
UINT64_C(0xD0D6CBC3DBBF0AD6), UINT64_C(0xBF896CC065F32465),
UINT64_C(0x8B768B6B8C898E22), UINT64_C(0xE4292C6832C5A091),
UINT64_C(0x85345AC356FB7B5A), UINT64_C(0xEA6BFDC0E8B755E9),
UINT64_C(0xDE941A6B01CDFFAE), UINT64_C(0xB1CBBD68BF81D11D),
UINT64_C(0xB66AD53CD238AB21), UINT64_C(0xD935723F6C748592),
UINT64_C(0xEDCA9594850E2FD5), UINT64_C(0x829532973B420166),
UINT64_C(0xAAEE776D67DD41D0), UINT64_C(0xC5B1D06ED9916F63),
UINT64_C(0xF14E37C530EBC524), UINT64_C(0x9E1190C68EA7EB97),
UINT64_C(0x99B0F892E31E91AB), UINT64_C(0xF6EF5F915D52BF18),
UINT64_C(0xC210B83AB428155F), UINT64_C(0xAD4F1F390A643BEC),
UINT64_C(0xCC5269926E5AE027), UINT64_C(0xA30DCE91D016CE94),
UINT64_C(0x97F2293A396C64D3), UINT64_C(0xF8AD8E3987204A60),
UINT64_C(0xFF0CE66DEA99305C), UINT64_C(0x9053416E54D51EEF),
UINT64_C(0xA4ACA6C5BDAFB4A8), UINT64_C(0xCBF301C603E39A1B),
UINT64_C(0x7144229E2F3EED56), UINT64_C(0x1E1B859D9172C3E5),
UINT64_C(0x2AE46236780869A2), UINT64_C(0x45BBC535C6444711),
UINT64_C(0x421AAD61ABFD3D2D), UINT64_C(0x2D450A6215B1139E),
UINT64_C(0x19BAEDC9FCCBB9D9), UINT64_C(0x76E54ACA4287976A),
UINT64_C(0x17F83C6126B94CA1), UINT64_C(0x78A79B6298F56212),
UINT64_C(0x4C587CC9718FC855), UINT64_C(0x2307DBCACFC3E6E6),
UINT64_C(0x24A6B39EA27A9CDA), UINT64_C(0x4BF9149D1C36B269),
UINT64_C(0x7F06F336F54C182E), UINT64_C(0x105954354B00369D),
UINT64_C(0x382211CF179F762B), UINT64_C(0x577DB6CCA9D35898),
UINT64_C(0x6382516740A9F2DF), UINT64_C(0x0CDDF664FEE5DC6C),
UINT64_C(0x0B7C9E30935CA650), UINT64_C(0x642339332D1088E3),
UINT64_C(0x50DCDE98C46A22A4), UINT64_C(0x3F83799B7A260C17),
UINT64_C(0x5E9E0F301E18D7DC), UINT64_C(0x31C1A833A054F96F),
UINT64_C(0x053E4F98492E5328), UINT64_C(0x6A61E89BF7627D9B),
UINT64_C(0x6DC080CF9ADB07A7), UINT64_C(0x029F27CC24972914),
UINT64_C(0x3660C067CDED8353), UINT64_C(0x593F676473A1ADE0)
}, {
UINT64_C(0x0000000000000000), UINT64_C(0x0DF1D05C9279E954),
UINT64_C(0x1AE2A1B924F3D2A9), UINT64_C(0x171371E5B68A3BFD),
UINT64_C(0xB1DA4DDC62497DC1), UINT64_C(0xBC2B9D80F0309495),
UINT64_C(0xAB38EC6546BAAF68), UINT64_C(0xA6C93C39D4C3463C),
UINT64_C(0xE7AB9517EE3D2210), UINT64_C(0xEA5A454B7C44CB44),
UINT64_C(0xFD4934AECACEF0B9), UINT64_C(0xF0B8E4F258B719ED),
UINT64_C(0x5671D8CB8C745FD1), UINT64_C(0x5B8008971E0DB685),
UINT64_C(0x4C937972A8878D78), UINT64_C(0x4162A92E3AFE642C),
UINT64_C(0xCE572B2FDC7B4420), UINT64_C(0xC3A6FB734E02AD74),
UINT64_C(0xD4B58A96F8889689), UINT64_C(0xD9445ACA6AF17FDD),
UINT64_C(0x7F8D66F3BE3239E1), UINT64_C(0x727CB6AF2C4BD0B5),
UINT64_C(0x656FC74A9AC1EB48), UINT64_C(0x689E171608B8021C),
UINT64_C(0x29FCBE3832466630), UINT64_C(0x240D6E64A03F8F64),
UINT64_C(0x331E1F8116B5B499), UINT64_C(0x3EEFCFDD84CC5DCD),
UINT64_C(0x9826F3E4500F1BF1), UINT64_C(0x95D723B8C276F2A5),
UINT64_C(0x82C4525D74FCC958), UINT64_C(0x8F358201E685200C),
UINT64_C(0x9CAF565EB8F78840), UINT64_C(0x915E86022A8E6114),
UINT64_C(0x864DF7E79C045AE9), UINT64_C(0x8BBC27BB0E7DB3BD),
UINT64_C(0x2D751B82DABEF581), UINT64_C(0x2084CBDE48C71CD5),
UINT64_C(0x3797BA3BFE4D2728), UINT64_C(0x3A666A676C34CE7C),
UINT64_C(0x7B04C34956CAAA50), UINT64_C(0x76F51315C4B34304),
UINT64_C(0x61E662F0723978F9), UINT64_C(0x6C17B2ACE04091AD),
UINT64_C(0xCADE8E953483D791), UINT64_C(0xC72F5EC9A6FA3EC5),
UINT64_C(0xD03C2F2C10700538), UINT64_C(0xDDCDFF708209EC6C),
UINT64_C(0x52F87D71648CCC60), UINT64_C(0x5F09AD2DF6F52534),
UINT64_C(0x481ADCC8407F1EC9), UINT64_C(0x45EB0C94D206F79D),
UINT64_C(0xE32230AD06C5B1A1), UINT64_C(0xEED3E0F194BC58F5),
UINT64_C(0xF9C0911422366308), UINT64_C(0xF4314148B04F8A5C),
UINT64_C(0xB553E8668AB1EE70), UINT64_C(0xB8A2383A18C80724),
UINT64_C(0xAFB149DFAE423CD9), UINT64_C(0xA24099833C3BD58D),
UINT64_C(0x0489A5BAE8F893B1), UINT64_C(0x097875E67A817AE5),
UINT64_C(0x1E6B0403CC0B4118), UINT64_C(0x139AD45F5E72A84C),
UINT64_C(0x385FADBC70EF1181), UINT64_C(0x35AE7DE0E296F8D5),
UINT64_C(0x22BD0C05541CC328), UINT64_C(0x2F4CDC59C6652A7C),
UINT64_C(0x8985E06012A66C40), UINT64_C(0x8474303C80DF8514),
UINT64_C(0x936741D93655BEE9), UINT64_C(0x9E969185A42C57BD),
UINT64_C(0xDFF438AB9ED23391), UINT64_C(0xD205E8F70CABDAC5),
UINT64_C(0xC5169912BA21E138), UINT64_C(0xC8E7494E2858086C),
UINT64_C(0x6E2E7577FC9B4E50), UINT64_C(0x63DFA52B6EE2A704),
UINT64_C(0x74CCD4CED8689CF9), UINT64_C(0x793D04924A1175AD),
UINT64_C(0xF6088693AC9455A1), UINT64_C(0xFBF956CF3EEDBCF5),
UINT64_C(0xECEA272A88678708), UINT64_C(0xE11BF7761A1E6E5C),
UINT64_C(0x47D2CB4FCEDD2860), UINT64_C(0x4A231B135CA4C134),
UINT64_C(0x5D306AF6EA2EFAC9), UINT64_C(0x50C1BAAA7857139D),
UINT64_C(0x11A3138442A977B1), UINT64_C(0x1C52C3D8D0D09EE5),
UINT64_C(0x0B41B23D665AA518), UINT64_C(0x06B06261F4234C4C),
UINT64_C(0xA0795E5820E00A70), UINT64_C(0xAD888E04B299E324),
UINT64_C(0xBA9BFFE10413D8D9), UINT64_C(0xB76A2FBD966A318D),
UINT64_C(0xA4F0FBE2C81899C1), UINT64_C(0xA9012BBE5A617095),
UINT64_C(0xBE125A5BECEB4B68), UINT64_C(0xB3E38A077E92A23C),
UINT64_C(0x152AB63EAA51E400), UINT64_C(0x18DB666238280D54),
UINT64_C(0x0FC817878EA236A9), UINT64_C(0x0239C7DB1CDBDFFD),
UINT64_C(0x435B6EF52625BBD1), UINT64_C(0x4EAABEA9B45C5285),
UINT64_C(0x59B9CF4C02D66978), UINT64_C(0x54481F1090AF802C),
UINT64_C(0xF2812329446CC610), UINT64_C(0xFF70F375D6152F44),
UINT64_C(0xE8638290609F14B9), UINT64_C(0xE59252CCF2E6FDED),
UINT64_C(0x6AA7D0CD1463DDE1), UINT64_C(0x67560091861A34B5),
UINT64_C(0x7045717430900F48), UINT64_C(0x7DB4A128A2E9E61C),
UINT64_C(0xDB7D9D11762AA020), UINT64_C(0xD68C4D4DE4534974),
UINT64_C(0xC19F3CA852D97289), UINT64_C(0xCC6EECF4C0A09BDD),
UINT64_C(0x8D0C45DAFA5EFFF1), UINT64_C(0x80FD9586682716A5),
UINT64_C(0x97EEE463DEAD2D58), UINT64_C(0x9A1F343F4CD4C40C),
UINT64_C(0x3CD6080698178230), UINT64_C(0x3127D85A0A6E6B64),
UINT64_C(0x2634A9BFBCE45099), UINT64_C(0x2BC579E32E9DB9CD),
UINT64_C(0xF5A054D6CA71FB90), UINT64_C(0xF851848A580812C4),
UINT64_C(0xEF42F56FEE822939), UINT64_C(0xE2B325337CFBC06D),
UINT64_C(0x447A190AA8388651), UINT64_C(0x498BC9563A416F05),
UINT64_C(0x5E98B8B38CCB54F8), UINT64_C(0x536968EF1EB2BDAC),
UINT64_C(0x120BC1C1244CD980), UINT64_C(0x1FFA119DB63530D4),
UINT64_C(0x08E9607800BF0B29), UINT64_C(0x0518B02492C6E27D),
UINT64_C(0xA3D18C1D4605A441), UINT64_C(0xAE205C41D47C4D15),
UINT64_C(0xB9332DA462F676E8), UINT64_C(0xB4C2FDF8F08F9FBC),
UINT64_C(0x3BF77FF9160ABFB0), UINT64_C(0x3606AFA5847356E4),
UINT64_C(0x2115DE4032F96D19), UINT64_C(0x2CE40E1CA080844D),
UINT64_C(0x8A2D32257443C271), UINT64_C(0x87DCE279E63A2B25),
UINT64_C(0x90CF939C50B010D8), UINT64_C(0x9D3E43C0C2C9F98C),
UINT64_C(0xDC5CEAEEF8379DA0), UINT64_C(0xD1AD3AB26A4E74F4),
UINT64_C(0xC6BE4B57DCC44F09), UINT64_C(0xCB4F9B0B4EBDA65D),
UINT64_C(0x6D86A7329A7EE061), UINT64_C(0x6077776E08070935),
UINT64_C(0x7764068BBE8D32C8), UINT64_C(0x7A95D6D72CF4DB9C),
UINT64_C(0x690F0288728673D0), UINT64_C(0x64FED2D4E0FF9A84),
UINT64_C(0x73EDA3315675A179), UINT64_C(0x7E1C736DC40C482D),
UINT64_C(0xD8D54F5410CF0E11), UINT64_C(0xD5249F0882B6E745),
UINT64_C(0xC237EEED343CDCB8), UINT64_C(0xCFC63EB1A64535EC),
UINT64_C(0x8EA4979F9CBB51C0), UINT64_C(0x835547C30EC2B894),
UINT64_C(0x94463626B8488369), UINT64_C(0x99B7E67A2A316A3D),
UINT64_C(0x3F7EDA43FEF22C01), UINT64_C(0x328F0A1F6C8BC555),
UINT64_C(0x259C7BFADA01FEA8), UINT64_C(0x286DABA6487817FC),
UINT64_C(0xA75829A7AEFD37F0), UINT64_C(0xAAA9F9FB3C84DEA4),
UINT64_C(0xBDBA881E8A0EE559), UINT64_C(0xB04B584218770C0D),
UINT64_C(0x1682647BCCB44A31), UINT64_C(0x1B73B4275ECDA365),
UINT64_C(0x0C60C5C2E8479898), UINT64_C(0x0191159E7A3E71CC),
UINT64_C(0x40F3BCB040C015E0), UINT64_C(0x4D026CECD2B9FCB4),
UINT64_C(0x5A111D096433C749), UINT64_C(0x57E0CD55F64A2E1D),
UINT64_C(0xF129F16C22896821), UINT64_C(0xFCD82130B0F08175),
UINT64_C(0xEBCB50D5067ABA88), UINT64_C(0xE63A8089940353DC),
UINT64_C(0xCDFFF96ABA9EEA11), UINT64_C(0xC00E293628E70345),
UINT64_C(0xD71D58D39E6D38B8), UINT64_C(0xDAEC888F0C14D1EC),
UINT64_C(0x7C25B4B6D8D797D0), UINT64_C(0x71D464EA4AAE7E84),
UINT64_C(0x66C7150FFC244579), UINT64_C(0x6B36C5536E5DAC2D),
UINT64_C(0x2A546C7D54A3C801), UINT64_C(0x27A5BC21C6DA2155),
UINT64_C(0x30B6CDC470501AA8), UINT64_C(0x3D471D98E229F3FC),
UINT64_C(0x9B8E21A136EAB5C0), UINT64_C(0x967FF1FDA4935C94),
UINT64_C(0x816C801812196769), UINT64_C(0x8C9D504480608E3D),
UINT64_C(0x03A8D24566E5AE31), UINT64_C(0x0E590219F49C4765),
UINT64_C(0x194A73FC42167C98), UINT64_C(0x14BBA3A0D06F95CC),
UINT64_C(0xB2729F9904ACD3F0), UINT64_C(0xBF834FC596D53AA4),
UINT64_C(0xA8903E20205F0159), UINT64_C(0xA561EE7CB226E80D),
UINT64_C(0xE403475288D88C21), UINT64_C(0xE9F2970E1AA16575),
UINT64_C(0xFEE1E6EBAC2B5E88), UINT64_C(0xF31036B73E52B7DC),
UINT64_C(0x55D90A8EEA91F1E0), UINT64_C(0x5828DAD278E818B4),
UINT64_C(0x4F3BAB37CE622349), UINT64_C(0x42CA7B6B5C1BCA1D),
UINT64_C(0x5150AF3402696251), UINT64_C(0x5CA17F6890108B05),
UINT64_C(0x4BB20E8D269AB0F8), UINT64_C(0x4643DED1B4E359AC),
UINT64_C(0xE08AE2E860201F90), UINT64_C(0xED7B32B4F259F6C4),
UINT64_C(0xFA68435144D3CD39), UINT64_C(0xF799930DD6AA246D),
UINT64_C(0xB6FB3A23EC544041), UINT64_C(0xBB0AEA7F7E2DA915),
UINT64_C(0xAC199B9AC8A792E8), UINT64_C(0xA1E84BC65ADE7BBC),
UINT64_C(0x072177FF8E1D3D80), UINT64_C(0x0AD0A7A31C64D4D4),
UINT64_C(0x1DC3D646AAEEEF29), UINT64_C(0x1032061A3897067D),
UINT64_C(0x9F07841BDE122671), UINT64_C(0x92F654474C6BCF25),
UINT64_C(0x85E525A2FAE1F4D8), UINT64_C(0x8814F5FE68981D8C),
UINT64_C(0x2EDDC9C7BC5B5BB0), UINT64_C(0x232C199B2E22B2E4),
UINT64_C(0x343F687E98A88919), UINT64_C(0x39CEB8220AD1604D),
UINT64_C(0x78AC110C302F0461), UINT64_C(0x755DC150A256ED35),
UINT64_C(0x624EB0B514DCD6C8), UINT64_C(0x6FBF60E986A53F9C),
UINT64_C(0xC9765CD0526679A0), UINT64_C(0xC4878C8CC01F90F4),
UINT64_C(0xD394FD697695AB09), UINT64_C(0xDE652D35E4EC425D)
}, {
UINT64_C(0x0000000000000000), UINT64_C(0xCB6D6A914AE10B3F),
UINT64_C(0x96DBD42295C2177E), UINT64_C(0x5DB6BEB3DF231C41),
UINT64_C(0x2CB7A9452A852FFC), UINT64_C(0xE7DAC3D4606424C3),
UINT64_C(0xBA6C7D67BF473882), UINT64_C(0x710117F6F5A633BD),
UINT64_C(0xDD705D247FA5876A), UINT64_C(0x161D37B535448C55),
UINT64_C(0x4BAB8906EA679014), UINT64_C(0x80C6E397A0869B2B),
UINT64_C(0xF1C7F4615520A896), UINT64_C(0x3AAA9EF01FC1A3A9),
UINT64_C(0x671C2043C0E2BFE8), UINT64_C(0xAC714AD28A03B4D7),
UINT64_C(0xBAE1BA48FE4A0FD5), UINT64_C(0x718CD0D9B4AB04EA),
UINT64_C(0x2C3A6E6A6B8818AB), UINT64_C(0xE75704FB21691394),
UINT64_C(0x9656130DD4CF2029), UINT64_C(0x5D3B799C9E2E2B16),
UINT64_C(0x008DC72F410D3757), UINT64_C(0xCBE0ADBE0BEC3C68),
UINT64_C(0x6791E76C81EF88BF), UINT64_C(0xACFC8DFDCB0E8380),
UINT64_C(0xF14A334E142D9FC1), UINT64_C(0x3A2759DF5ECC94FE),
UINT64_C(0x4B264E29AB6AA743), UINT64_C(0x804B24B8E18BAC7C),
UINT64_C(0xDDFD9A0B3EA8B03D), UINT64_C(0x1690F09A7449BB02),
UINT64_C(0xF1DD7B3ED73AC638), UINT64_C(0x3AB011AF9DDBCD07),
UINT64_C(0x6706AF1C42F8D146), UINT64_C(0xAC6BC58D0819DA79),
UINT64_C(0xDD6AD27BFDBFE9C4), UINT64_C(0x1607B8EAB75EE2FB),
UINT64_C(0x4BB10659687DFEBA), UINT64_C(0x80DC6CC8229CF585),
UINT64_C(0x2CAD261AA89F4152), UINT64_C(0xE7C04C8BE27E4A6D),
UINT64_C(0xBA76F2383D5D562C), UINT64_C(0x711B98A977BC5D13),
UINT64_C(0x001A8F5F821A6EAE), UINT64_C(0xCB77E5CEC8FB6591),
UINT64_C(0x96C15B7D17D879D0), UINT64_C(0x5DAC31EC5D3972EF),
UINT64_C(0x4B3CC1762970C9ED), UINT64_C(0x8051ABE76391C2D2),
UINT64_C(0xDDE71554BCB2DE93), UINT64_C(0x168A7FC5F653D5AC),
UINT64_C(0x678B683303F5E611), UINT64_C(0xACE602A24914ED2E),
UINT64_C(0xF150BC119637F16F), UINT64_C(0x3A3DD680DCD6FA50),
UINT64_C(0x964C9C5256D54E87), UINT64_C(0x5D21F6C31C3445B8),
UINT64_C(0x00974870C31759F9), UINT64_C(0xCBFA22E189F652C6),
UINT64_C(0xBAFB35177C50617B), UINT64_C(0x71965F8636B16A44),
UINT64_C(0x2C20E135E9927605), UINT64_C(0xE74D8BA4A3737D3A),
UINT64_C(0xE2BBF77CAE758C71), UINT64_C(0x29D69DEDE494874E),
UINT64_C(0x7460235E3BB79B0F), UINT64_C(0xBF0D49CF71569030),
UINT64_C(0xCE0C5E3984F0A38D), UINT64_C(0x056134A8CE11A8B2),
UINT64_C(0x58D78A1B1132B4F3), UINT64_C(0x93BAE08A5BD3BFCC),
UINT64_C(0x3FCBAA58D1D00B1B), UINT64_C(0xF4A6C0C99B310024),
UINT64_C(0xA9107E7A44121C65), UINT64_C(0x627D14EB0EF3175A),
UINT64_C(0x137C031DFB5524E7), UINT64_C(0xD811698CB1B42FD8),
UINT64_C(0x85A7D73F6E973399), UINT64_C(0x4ECABDAE247638A6),
UINT64_C(0x585A4D34503F83A4), UINT64_C(0x933727A51ADE889B),
UINT64_C(0xCE819916C5FD94DA), UINT64_C(0x05ECF3878F1C9FE5),
UINT64_C(0x74EDE4717ABAAC58), UINT64_C(0xBF808EE0305BA767),
UINT64_C(0xE2363053EF78BB26), UINT64_C(0x295B5AC2A599B019),
UINT64_C(0x852A10102F9A04CE), UINT64_C(0x4E477A81657B0FF1),
UINT64_C(0x13F1C432BA5813B0), UINT64_C(0xD89CAEA3F0B9188F),
UINT64_C(0xA99DB955051F2B32), UINT64_C(0x62F0D3C44FFE200D),
UINT64_C(0x3F466D7790DD3C4C), UINT64_C(0xF42B07E6DA3C3773),
UINT64_C(0x13668C42794F4A49), UINT64_C(0xD80BE6D333AE4176),
UINT64_C(0x85BD5860EC8D5D37), UINT64_C(0x4ED032F1A66C5608),
UINT64_C(0x3FD1250753CA65B5), UINT64_C(0xF4BC4F96192B6E8A),
UINT64_C(0xA90AF125C60872CB), UINT64_C(0x62679BB48CE979F4),
UINT64_C(0xCE16D16606EACD23), UINT64_C(0x057BBBF74C0BC61C),
UINT64_C(0x58CD05449328DA5D), UINT64_C(0x93A06FD5D9C9D162),
UINT64_C(0xE2A178232C6FE2DF), UINT64_C(0x29CC12B2668EE9E0),
UINT64_C(0x747AAC01B9ADF5A1), UINT64_C(0xBF17C690F34CFE9E),
UINT64_C(0xA987360A8705459C), UINT64_C(0x62EA5C9BCDE44EA3),
UINT64_C(0x3F5CE22812C752E2), UINT64_C(0xF43188B9582659DD),
UINT64_C(0x85309F4FAD806A60), UINT64_C(0x4E5DF5DEE761615F),
UINT64_C(0x13EB4B6D38427D1E), UINT64_C(0xD88621FC72A37621),
UINT64_C(0x74F76B2EF8A0C2F6), UINT64_C(0xBF9A01BFB241C9C9),
UINT64_C(0xE22CBF0C6D62D588), UINT64_C(0x2941D59D2783DEB7),
UINT64_C(0x5840C26BD225ED0A), UINT64_C(0x932DA8FA98C4E635),
UINT64_C(0xCE9B164947E7FA74), UINT64_C(0x05F67CD80D06F14B),
UINT64_C(0xC477EFF95CEB18E3), UINT64_C(0x0F1A8568160A13DC),
UINT64_C(0x52AC3BDBC9290F9D), UINT64_C(0x99C1514A83C804A2),
UINT64_C(0xE8C046BC766E371F), UINT64_C(0x23AD2C2D3C8F3C20),
UINT64_C(0x7E1B929EE3AC2061), UINT64_C(0xB576F80FA94D2B5E),
UINT64_C(0x1907B2DD234E9F89), UINT64_C(0xD26AD84C69AF94B6),
UINT64_C(0x8FDC66FFB68C88F7), UINT64_C(0x44B10C6EFC6D83C8),
UINT64_C(0x35B01B9809CBB075), UINT64_C(0xFEDD7109432ABB4A),
UINT64_C(0xA36BCFBA9C09A70B), UINT64_C(0x6806A52BD6E8AC34),
UINT64_C(0x7E9655B1A2A11736), UINT64_C(0xB5FB3F20E8401C09),
UINT64_C(0xE84D819337630048), UINT64_C(0x2320EB027D820B77),
UINT64_C(0x5221FCF4882438CA), UINT64_C(0x994C9665C2C533F5),
UINT64_C(0xC4FA28D61DE62FB4), UINT64_C(0x0F9742475707248B),
UINT64_C(0xA3E60895DD04905C), UINT64_C(0x688B620497E59B63),
UINT64_C(0x353DDCB748C68722), UINT64_C(0xFE50B62602278C1D),
UINT64_C(0x8F51A1D0F781BFA0), UINT64_C(0x443CCB41BD60B49F),
UINT64_C(0x198A75F26243A8DE), UINT64_C(0xD2E71F6328A2A3E1),
UINT64_C(0x35AA94C78BD1DEDB), UINT64_C(0xFEC7FE56C130D5E4),
UINT64_C(0xA37140E51E13C9A5), UINT64_C(0x681C2A7454F2C29A),
UINT64_C(0x191D3D82A154F127), UINT64_C(0xD2705713EBB5FA18),
UINT64_C(0x8FC6E9A03496E659), UINT64_C(0x44AB83317E77ED66),
UINT64_C(0xE8DAC9E3F47459B1), UINT64_C(0x23B7A372BE95528E),
UINT64_C(0x7E011DC161B64ECF), UINT64_C(0xB56C77502B5745F0),
UINT64_C(0xC46D60A6DEF1764D), UINT64_C(0x0F000A3794107D72),
UINT64_C(0x52B6B4844B336133), UINT64_C(0x99DBDE1501D26A0C),
UINT64_C(0x8F4B2E8F759BD10E), UINT64_C(0x4426441E3F7ADA31),
UINT64_C(0x1990FAADE059C670), UINT64_C(0xD2FD903CAAB8CD4F),
UINT64_C(0xA3FC87CA5F1EFEF2), UINT64_C(0x6891ED5B15FFF5CD),
UINT64_C(0x352753E8CADCE98C), UINT64_C(0xFE4A3979803DE2B3),
UINT64_C(0x523B73AB0A3E5664), UINT64_C(0x9956193A40DF5D5B),
UINT64_C(0xC4E0A7899FFC411A), UINT64_C(0x0F8DCD18D51D4A25),
UINT64_C(0x7E8CDAEE20BB7998), UINT64_C(0xB5E1B07F6A5A72A7),
UINT64_C(0xE8570ECCB5796EE6), UINT64_C(0x233A645DFF9865D9),
UINT64_C(0x26CC1885F29E9492), UINT64_C(0xEDA17214B87F9FAD),
UINT64_C(0xB017CCA7675C83EC), UINT64_C(0x7B7AA6362DBD88D3),
UINT64_C(0x0A7BB1C0D81BBB6E), UINT64_C(0xC116DB5192FAB051),
UINT64_C(0x9CA065E24DD9AC10), UINT64_C(0x57CD0F730738A72F),
UINT64_C(0xFBBC45A18D3B13F8), UINT64_C(0x30D12F30C7DA18C7),
UINT64_C(0x6D67918318F90486), UINT64_C(0xA60AFB1252180FB9),
UINT64_C(0xD70BECE4A7BE3C04), UINT64_C(0x1C668675ED5F373B),
UINT64_C(0x41D038C6327C2B7A), UINT64_C(0x8ABD5257789D2045),
UINT64_C(0x9C2DA2CD0CD49B47), UINT64_C(0x5740C85C46359078),
UINT64_C(0x0AF676EF99168C39), UINT64_C(0xC19B1C7ED3F78706),
UINT64_C(0xB09A0B882651B4BB), UINT64_C(0x7BF761196CB0BF84),
UINT64_C(0x2641DFAAB393A3C5), UINT64_C(0xED2CB53BF972A8FA),
UINT64_C(0x415DFFE973711C2D), UINT64_C(0x8A30957839901712),
UINT64_C(0xD7862BCBE6B30B53), UINT64_C(0x1CEB415AAC52006C),
UINT64_C(0x6DEA56AC59F433D1), UINT64_C(0xA6873C3D131538EE),
UINT64_C(0xFB31828ECC3624AF), UINT64_C(0x305CE81F86D72F90),
UINT64_C(0xD71163BB25A452AA), UINT64_C(0x1C7C092A6F455995),
UINT64_C(0x41CAB799B06645D4), UINT64_C(0x8AA7DD08FA874EEB),
UINT64_C(0xFBA6CAFE0F217D56), UINT64_C(0x30CBA06F45C07669),
UINT64_C(0x6D7D1EDC9AE36A28), UINT64_C(0xA610744DD0026117),
UINT64_C(0x0A613E9F5A01D5C0), UINT64_C(0xC10C540E10E0DEFF),
UINT64_C(0x9CBAEABDCFC3C2BE), UINT64_C(0x57D7802C8522C981),
UINT64_C(0x26D697DA7084FA3C), UINT64_C(0xEDBBFD4B3A65F103),
UINT64_C(0xB00D43F8E546ED42), UINT64_C(0x7B602969AFA7E67D),
UINT64_C(0x6DF0D9F3DBEE5D7F), UINT64_C(0xA69DB362910F5640),
UINT64_C(0xFB2B0DD14E2C4A01), UINT64_C(0x3046674004CD413E),
UINT64_C(0x414770B6F16B7283), UINT64_C(0x8A2A1A27BB8A79BC),
UINT64_C(0xD79CA49464A965FD), UINT64_C(0x1CF1CE052E486EC2),
UINT64_C(0xB08084D7A44BDA15), UINT64_C(0x7BEDEE46EEAAD12A),
UINT64_C(0x265B50F53189CD6B), UINT64_C(0xED363A647B68C654),
UINT64_C(0x9C372D928ECEF5E9), UINT64_C(0x575A4703C42FFED6),
UINT64_C(0x0AECF9B01B0CE297), UINT64_C(0xC181932151EDE9A8)
}, {
UINT64_C(0x0000000000000000), UINT64_C(0xDCA12C225E8AEE1D),
UINT64_C(0xB8435944BC14DD3B), UINT64_C(0x64E27566E29E3326),
UINT64_C(0x7087B2887829BA77), UINT64_C(0xAC269EAA26A3546A),
UINT64_C(0xC8C4EBCCC43D674C), UINT64_C(0x1465C7EE9AB78951),
UINT64_C(0xE00E6511F15274EF), UINT64_C(0x3CAF4933AFD89AF2),
UINT64_C(0x584D3C554D46A9D4), UINT64_C(0x84EC107713CC47C9),
UINT64_C(0x9089D799897BCE98), UINT64_C(0x4C28FBBBD7F12085),
UINT64_C(0x28CA8EDD356F13A3), UINT64_C(0xF46BA2FF6BE5FDBE),
UINT64_C(0x4503C48DC90A304C), UINT64_C(0x99A2E8AF9780DE51),
UINT64_C(0xFD409DC9751EED77), UINT64_C(0x21E1B1EB2B94036A),
UINT64_C(0x35847605B1238A3B), UINT64_C(0xE9255A27EFA96426),
UINT64_C(0x8DC72F410D375700), UINT64_C(0x5166036353BDB91D),
UINT64_C(0xA50DA19C385844A3), UINT64_C(0x79AC8DBE66D2AABE),
UINT64_C(0x1D4EF8D8844C9998), UINT64_C(0xC1EFD4FADAC67785),
UINT64_C(0xD58A13144071FED4), UINT64_C(0x092B3F361EFB10C9),
UINT64_C(0x6DC94A50FC6523EF), UINT64_C(0xB1686672A2EFCDF2),
UINT64_C(0x8A06881B93156098), UINT64_C(0x56A7A439CD9F8E85),
UINT64_C(0x3245D15F2F01BDA3), UINT64_C(0xEEE4FD7D718B53BE),
UINT64_C(0xFA813A93EB3CDAEF), UINT64_C(0x262016B1B5B634F2),
UINT64_C(0x42C263D7572807D4), UINT64_C(0x9E634FF509A2E9C9),
UINT64_C(0x6A08ED0A62471477), UINT64_C(0xB6A9C1283CCDFA6A),
UINT64_C(0xD24BB44EDE53C94C), UINT64_C(0x0EEA986C80D92751),
UINT64_C(0x1A8F5F821A6EAE00), UINT64_C(0xC62E73A044E4401D),
UINT64_C(0xA2CC06C6A67A733B), UINT64_C(0x7E6D2AE4F8F09D26),
UINT64_C(0xCF054C965A1F50D4), UINT64_C(0x13A460B40495BEC9),
UINT64_C(0x774615D2E60B8DEF), UINT64_C(0xABE739F0B88163F2),
UINT64_C(0xBF82FE1E2236EAA3), UINT64_C(0x6323D23C7CBC04BE),
UINT64_C(0x07C1A75A9E223798), UINT64_C(0xDB608B78C0A8D985),
UINT64_C(0x2F0B2987AB4D243B), UINT64_C(0xF3AA05A5F5C7CA26),
UINT64_C(0x974870C31759F900), UINT64_C(0x4BE95CE149D3171D),
UINT64_C(0x5F8C9B0FD3649E4C), UINT64_C(0x832DB72D8DEE7051),
UINT64_C(0xE7CFC24B6F704377), UINT64_C(0x3B6EEE6931FAAD6A),
UINT64_C(0x91131E980D8418A2), UINT64_C(0x4DB232BA530EF6BF),
UINT64_C(0x295047DCB190C599), UINT64_C(0xF5F16BFEEF1A2B84),
UINT64_C(0xE194AC1075ADA2D5), UINT64_C(0x3D3580322B274CC8),
UINT64_C(0x59D7F554C9B97FEE), UINT64_C(0x8576D976973391F3),
UINT64_C(0x711D7B89FCD66C4D), UINT64_C(0xADBC57ABA25C8250),
UINT64_C(0xC95E22CD40C2B176), UINT64_C(0x15FF0EEF1E485F6B),
UINT64_C(0x019AC90184FFD63A), UINT64_C(0xDD3BE523DA753827),
UINT64_C(0xB9D9904538EB0B01), UINT64_C(0x6578BC676661E51C),
UINT64_C(0xD410DA15C48E28EE), UINT64_C(0x08B1F6379A04C6F3),
UINT64_C(0x6C538351789AF5D5), UINT64_C(0xB0F2AF7326101BC8),
UINT64_C(0xA497689DBCA79299), UINT64_C(0x783644BFE22D7C84),
UINT64_C(0x1CD431D900B34FA2), UINT64_C(0xC0751DFB5E39A1BF),
UINT64_C(0x341EBF0435DC5C01), UINT64_C(0xE8BF93266B56B21C),
UINT64_C(0x8C5DE64089C8813A), UINT64_C(0x50FCCA62D7426F27),
UINT64_C(0x44990D8C4DF5E676), UINT64_C(0x983821AE137F086B),
UINT64_C(0xFCDA54C8F1E13B4D), UINT64_C(0x207B78EAAF6BD550),
UINT64_C(0x1B1596839E91783A), UINT64_C(0xC7B4BAA1C01B9627),
UINT64_C(0xA356CFC72285A501), UINT64_C(0x7FF7E3E57C0F4B1C),
UINT64_C(0x6B92240BE6B8C24D), UINT64_C(0xB7330829B8322C50),
UINT64_C(0xD3D17D4F5AAC1F76), UINT64_C(0x0F70516D0426F16B),
UINT64_C(0xFB1BF3926FC30CD5), UINT64_C(0x27BADFB03149E2C8),
UINT64_C(0x4358AAD6D3D7D1EE), UINT64_C(0x9FF986F48D5D3FF3),
UINT64_C(0x8B9C411A17EAB6A2), UINT64_C(0x573D6D38496058BF),
UINT64_C(0x33DF185EABFE6B99), UINT64_C(0xEF7E347CF5748584),
UINT64_C(0x5E16520E579B4876), UINT64_C(0x82B77E2C0911A66B),
UINT64_C(0xE6550B4AEB8F954D), UINT64_C(0x3AF42768B5057B50),
UINT64_C(0x2E91E0862FB2F201), UINT64_C(0xF230CCA471381C1C),
UINT64_C(0x96D2B9C293A62F3A), UINT64_C(0x4A7395E0CD2CC127),
UINT64_C(0xBE18371FA6C93C99), UINT64_C(0x62B91B3DF843D284),
UINT64_C(0x065B6E5B1ADDE1A2), UINT64_C(0xDAFA427944570FBF),
UINT64_C(0xCE9F8597DEE086EE), UINT64_C(0x123EA9B5806A68F3),
UINT64_C(0x76DCDCD362F45BD5), UINT64_C(0xAA7DF0F13C7EB5C8),
UINT64_C(0xA739329F30A7E9D6), UINT64_C(0x7B981EBD6E2D07CB),
UINT64_C(0x1F7A6BDB8CB334ED), UINT64_C(0xC3DB47F9D239DAF0),
UINT64_C(0xD7BE8017488E53A1), UINT64_C(0x0B1FAC351604BDBC),
UINT64_C(0x6FFDD953F49A8E9A), UINT64_C(0xB35CF571AA106087),
UINT64_C(0x4737578EC1F59D39), UINT64_C(0x9B967BAC9F7F7324),
UINT64_C(0xFF740ECA7DE14002), UINT64_C(0x23D522E8236BAE1F),
UINT64_C(0x37B0E506B9DC274E), UINT64_C(0xEB11C924E756C953),
UINT64_C(0x8FF3BC4205C8FA75), UINT64_C(0x535290605B421468),
UINT64_C(0xE23AF612F9ADD99A), UINT64_C(0x3E9BDA30A7273787),
UINT64_C(0x5A79AF5645B904A1), UINT64_C(0x86D883741B33EABC),
UINT64_C(0x92BD449A818463ED), UINT64_C(0x4E1C68B8DF0E8DF0),
UINT64_C(0x2AFE1DDE3D90BED6), UINT64_C(0xF65F31FC631A50CB),
UINT64_C(0x0234930308FFAD75), UINT64_C(0xDE95BF2156754368),
UINT64_C(0xBA77CA47B4EB704E), UINT64_C(0x66D6E665EA619E53),
UINT64_C(0x72B3218B70D61702), UINT64_C(0xAE120DA92E5CF91F),
UINT64_C(0xCAF078CFCCC2CA39), UINT64_C(0x165154ED92482424),
UINT64_C(0x2D3FBA84A3B2894E), UINT64_C(0xF19E96A6FD386753),
UINT64_C(0x957CE3C01FA65475), UINT64_C(0x49DDCFE2412CBA68),
UINT64_C(0x5DB8080CDB9B3339), UINT64_C(0x8119242E8511DD24),
UINT64_C(0xE5FB5148678FEE02), UINT64_C(0x395A7D6A3905001F),
UINT64_C(0xCD31DF9552E0FDA1), UINT64_C(0x1190F3B70C6A13BC),
UINT64_C(0x757286D1EEF4209A), UINT64_C(0xA9D3AAF3B07ECE87),
UINT64_C(0xBDB66D1D2AC947D6), UINT64_C(0x6117413F7443A9CB),
UINT64_C(0x05F5345996DD9AED), UINT64_C(0xD954187BC85774F0),
UINT64_C(0x683C7E096AB8B902), UINT64_C(0xB49D522B3432571F),
UINT64_C(0xD07F274DD6AC6439), UINT64_C(0x0CDE0B6F88268A24),
UINT64_C(0x18BBCC8112910375), UINT64_C(0xC41AE0A34C1BED68),
UINT64_C(0xA0F895C5AE85DE4E), UINT64_C(0x7C59B9E7F00F3053),
UINT64_C(0x88321B189BEACDED), UINT64_C(0x5493373AC56023F0),
UINT64_C(0x3071425C27FE10D6), UINT64_C(0xECD06E7E7974FECB),
UINT64_C(0xF8B5A990E3C3779A), UINT64_C(0x241485B2BD499987),
UINT64_C(0x40F6F0D45FD7AAA1), UINT64_C(0x9C57DCF6015D44BC),
UINT64_C(0x362A2C073D23F174), UINT64_C(0xEA8B002563A91F69),
UINT64_C(0x8E69754381372C4F), UINT64_C(0x52C85961DFBDC252),
UINT64_C(0x46AD9E8F450A4B03), UINT64_C(0x9A0CB2AD1B80A51E),
UINT64_C(0xFEEEC7CBF91E9638), UINT64_C(0x224FEBE9A7947825),
UINT64_C(0xD6244916CC71859B), UINT64_C(0x0A85653492FB6B86),
UINT64_C(0x6E671052706558A0), UINT64_C(0xB2C63C702EEFB6BD),
UINT64_C(0xA6A3FB9EB4583FEC), UINT64_C(0x7A02D7BCEAD2D1F1),
UINT64_C(0x1EE0A2DA084CE2D7), UINT64_C(0xC2418EF856C60CCA),
UINT64_C(0x7329E88AF429C138), UINT64_C(0xAF88C4A8AAA32F25),
UINT64_C(0xCB6AB1CE483D1C03), UINT64_C(0x17CB9DEC16B7F21E),
UINT64_C(0x03AE5A028C007B4F), UINT64_C(0xDF0F7620D28A9552),
UINT64_C(0xBBED03463014A674), UINT64_C(0x674C2F646E9E4869),
UINT64_C(0x93278D9B057BB5D7), UINT64_C(0x4F86A1B95BF15BCA),
UINT64_C(0x2B64D4DFB96F68EC), UINT64_C(0xF7C5F8FDE7E586F1),
UINT64_C(0xE3A03F137D520FA0), UINT64_C(0x3F01133123D8E1BD),
UINT64_C(0x5BE36657C146D29B), UINT64_C(0x87424A759FCC3C86),
UINT64_C(0xBC2CA41CAE3691EC), UINT64_C(0x608D883EF0BC7FF1),
UINT64_C(0x046FFD5812224CD7), UINT64_C(0xD8CED17A4CA8A2CA),
UINT64_C(0xCCAB1694D61F2B9B), UINT64_C(0x100A3AB68895C586),
UINT64_C(0x74E84FD06A0BF6A0), UINT64_C(0xA84963F2348118BD),
UINT64_C(0x5C22C10D5F64E503), UINT64_C(0x8083ED2F01EE0B1E),
UINT64_C(0xE4619849E3703838), UINT64_C(0x38C0B46BBDFAD625),
UINT64_C(0x2CA57385274D5F74), UINT64_C(0xF0045FA779C7B169),
UINT64_C(0x94E62AC19B59824F), UINT64_C(0x484706E3C5D36C52),
UINT64_C(0xF92F6091673CA1A0), UINT64_C(0x258E4CB339B64FBD),
UINT64_C(0x416C39D5DB287C9B), UINT64_C(0x9DCD15F785A29286),
UINT64_C(0x89A8D2191F151BD7), UINT64_C(0x5509FE3B419FF5CA),
UINT64_C(0x31EB8B5DA301C6EC), UINT64_C(0xED4AA77FFD8B28F1),
UINT64_C(0x19210580966ED54F), UINT64_C(0xC58029A2C8E43B52),
UINT64_C(0xA1625CC42A7A0874), UINT64_C(0x7DC370E674F0E669),
UINT64_C(0x69A6B708EE476F38), UINT64_C(0xB5079B2AB0CD8125),
UINT64_C(0xD1E5EE4C5253B203), UINT64_C(0x0D44C26E0CD95C1E)
}
};

521
Externals/liblzma/check/crc64_table_le.h vendored Normal file
View File

@ -0,0 +1,521 @@
/* This file has been automatically generated by crc64_tablegen.c. */
const uint64_t lzma_crc64_table[4][256] = {
{
UINT64_C(0x0000000000000000), UINT64_C(0xB32E4CBE03A75F6F),
UINT64_C(0xF4843657A840A05B), UINT64_C(0x47AA7AE9ABE7FF34),
UINT64_C(0x7BD0C384FF8F5E33), UINT64_C(0xC8FE8F3AFC28015C),
UINT64_C(0x8F54F5D357CFFE68), UINT64_C(0x3C7AB96D5468A107),
UINT64_C(0xF7A18709FF1EBC66), UINT64_C(0x448FCBB7FCB9E309),
UINT64_C(0x0325B15E575E1C3D), UINT64_C(0xB00BFDE054F94352),
UINT64_C(0x8C71448D0091E255), UINT64_C(0x3F5F08330336BD3A),
UINT64_C(0x78F572DAA8D1420E), UINT64_C(0xCBDB3E64AB761D61),
UINT64_C(0x7D9BA13851336649), UINT64_C(0xCEB5ED8652943926),
UINT64_C(0x891F976FF973C612), UINT64_C(0x3A31DBD1FAD4997D),
UINT64_C(0x064B62BCAEBC387A), UINT64_C(0xB5652E02AD1B6715),
UINT64_C(0xF2CF54EB06FC9821), UINT64_C(0x41E11855055BC74E),
UINT64_C(0x8A3A2631AE2DDA2F), UINT64_C(0x39146A8FAD8A8540),
UINT64_C(0x7EBE1066066D7A74), UINT64_C(0xCD905CD805CA251B),
UINT64_C(0xF1EAE5B551A2841C), UINT64_C(0x42C4A90B5205DB73),
UINT64_C(0x056ED3E2F9E22447), UINT64_C(0xB6409F5CFA457B28),
UINT64_C(0xFB374270A266CC92), UINT64_C(0x48190ECEA1C193FD),
UINT64_C(0x0FB374270A266CC9), UINT64_C(0xBC9D3899098133A6),
UINT64_C(0x80E781F45DE992A1), UINT64_C(0x33C9CD4A5E4ECDCE),
UINT64_C(0x7463B7A3F5A932FA), UINT64_C(0xC74DFB1DF60E6D95),
UINT64_C(0x0C96C5795D7870F4), UINT64_C(0xBFB889C75EDF2F9B),
UINT64_C(0xF812F32EF538D0AF), UINT64_C(0x4B3CBF90F69F8FC0),
UINT64_C(0x774606FDA2F72EC7), UINT64_C(0xC4684A43A15071A8),
UINT64_C(0x83C230AA0AB78E9C), UINT64_C(0x30EC7C140910D1F3),
UINT64_C(0x86ACE348F355AADB), UINT64_C(0x3582AFF6F0F2F5B4),
UINT64_C(0x7228D51F5B150A80), UINT64_C(0xC10699A158B255EF),
UINT64_C(0xFD7C20CC0CDAF4E8), UINT64_C(0x4E526C720F7DAB87),
UINT64_C(0x09F8169BA49A54B3), UINT64_C(0xBAD65A25A73D0BDC),
UINT64_C(0x710D64410C4B16BD), UINT64_C(0xC22328FF0FEC49D2),
UINT64_C(0x85895216A40BB6E6), UINT64_C(0x36A71EA8A7ACE989),
UINT64_C(0x0ADDA7C5F3C4488E), UINT64_C(0xB9F3EB7BF06317E1),
UINT64_C(0xFE5991925B84E8D5), UINT64_C(0x4D77DD2C5823B7BA),
UINT64_C(0x64B62BCAEBC387A1), UINT64_C(0xD7986774E864D8CE),
UINT64_C(0x90321D9D438327FA), UINT64_C(0x231C512340247895),
UINT64_C(0x1F66E84E144CD992), UINT64_C(0xAC48A4F017EB86FD),
UINT64_C(0xEBE2DE19BC0C79C9), UINT64_C(0x58CC92A7BFAB26A6),
UINT64_C(0x9317ACC314DD3BC7), UINT64_C(0x2039E07D177A64A8),
UINT64_C(0x67939A94BC9D9B9C), UINT64_C(0xD4BDD62ABF3AC4F3),
UINT64_C(0xE8C76F47EB5265F4), UINT64_C(0x5BE923F9E8F53A9B),
UINT64_C(0x1C4359104312C5AF), UINT64_C(0xAF6D15AE40B59AC0),
UINT64_C(0x192D8AF2BAF0E1E8), UINT64_C(0xAA03C64CB957BE87),
UINT64_C(0xEDA9BCA512B041B3), UINT64_C(0x5E87F01B11171EDC),
UINT64_C(0x62FD4976457FBFDB), UINT64_C(0xD1D305C846D8E0B4),
UINT64_C(0x96797F21ED3F1F80), UINT64_C(0x2557339FEE9840EF),
UINT64_C(0xEE8C0DFB45EE5D8E), UINT64_C(0x5DA24145464902E1),
UINT64_C(0x1A083BACEDAEFDD5), UINT64_C(0xA9267712EE09A2BA),
UINT64_C(0x955CCE7FBA6103BD), UINT64_C(0x267282C1B9C65CD2),
UINT64_C(0x61D8F8281221A3E6), UINT64_C(0xD2F6B4961186FC89),
UINT64_C(0x9F8169BA49A54B33), UINT64_C(0x2CAF25044A02145C),
UINT64_C(0x6B055FEDE1E5EB68), UINT64_C(0xD82B1353E242B407),
UINT64_C(0xE451AA3EB62A1500), UINT64_C(0x577FE680B58D4A6F),
UINT64_C(0x10D59C691E6AB55B), UINT64_C(0xA3FBD0D71DCDEA34),
UINT64_C(0x6820EEB3B6BBF755), UINT64_C(0xDB0EA20DB51CA83A),
UINT64_C(0x9CA4D8E41EFB570E), UINT64_C(0x2F8A945A1D5C0861),
UINT64_C(0x13F02D374934A966), UINT64_C(0xA0DE61894A93F609),
UINT64_C(0xE7741B60E174093D), UINT64_C(0x545A57DEE2D35652),
UINT64_C(0xE21AC88218962D7A), UINT64_C(0x5134843C1B317215),
UINT64_C(0x169EFED5B0D68D21), UINT64_C(0xA5B0B26BB371D24E),
UINT64_C(0x99CA0B06E7197349), UINT64_C(0x2AE447B8E4BE2C26),
UINT64_C(0x6D4E3D514F59D312), UINT64_C(0xDE6071EF4CFE8C7D),
UINT64_C(0x15BB4F8BE788911C), UINT64_C(0xA6950335E42FCE73),
UINT64_C(0xE13F79DC4FC83147), UINT64_C(0x521135624C6F6E28),
UINT64_C(0x6E6B8C0F1807CF2F), UINT64_C(0xDD45C0B11BA09040),
UINT64_C(0x9AEFBA58B0476F74), UINT64_C(0x29C1F6E6B3E0301B),
UINT64_C(0xC96C5795D7870F42), UINT64_C(0x7A421B2BD420502D),
UINT64_C(0x3DE861C27FC7AF19), UINT64_C(0x8EC62D7C7C60F076),
UINT64_C(0xB2BC941128085171), UINT64_C(0x0192D8AF2BAF0E1E),
UINT64_C(0x4638A2468048F12A), UINT64_C(0xF516EEF883EFAE45),
UINT64_C(0x3ECDD09C2899B324), UINT64_C(0x8DE39C222B3EEC4B),
UINT64_C(0xCA49E6CB80D9137F), UINT64_C(0x7967AA75837E4C10),
UINT64_C(0x451D1318D716ED17), UINT64_C(0xF6335FA6D4B1B278),
UINT64_C(0xB199254F7F564D4C), UINT64_C(0x02B769F17CF11223),
UINT64_C(0xB4F7F6AD86B4690B), UINT64_C(0x07D9BA1385133664),
UINT64_C(0x4073C0FA2EF4C950), UINT64_C(0xF35D8C442D53963F),
UINT64_C(0xCF273529793B3738), UINT64_C(0x7C0979977A9C6857),
UINT64_C(0x3BA3037ED17B9763), UINT64_C(0x888D4FC0D2DCC80C),
UINT64_C(0x435671A479AAD56D), UINT64_C(0xF0783D1A7A0D8A02),
UINT64_C(0xB7D247F3D1EA7536), UINT64_C(0x04FC0B4DD24D2A59),
UINT64_C(0x3886B22086258B5E), UINT64_C(0x8BA8FE9E8582D431),
UINT64_C(0xCC0284772E652B05), UINT64_C(0x7F2CC8C92DC2746A),
UINT64_C(0x325B15E575E1C3D0), UINT64_C(0x8175595B76469CBF),
UINT64_C(0xC6DF23B2DDA1638B), UINT64_C(0x75F16F0CDE063CE4),
UINT64_C(0x498BD6618A6E9DE3), UINT64_C(0xFAA59ADF89C9C28C),
UINT64_C(0xBD0FE036222E3DB8), UINT64_C(0x0E21AC88218962D7),
UINT64_C(0xC5FA92EC8AFF7FB6), UINT64_C(0x76D4DE52895820D9),
UINT64_C(0x317EA4BB22BFDFED), UINT64_C(0x8250E80521188082),
UINT64_C(0xBE2A516875702185), UINT64_C(0x0D041DD676D77EEA),
UINT64_C(0x4AAE673FDD3081DE), UINT64_C(0xF9802B81DE97DEB1),
UINT64_C(0x4FC0B4DD24D2A599), UINT64_C(0xFCEEF8632775FAF6),
UINT64_C(0xBB44828A8C9205C2), UINT64_C(0x086ACE348F355AAD),
UINT64_C(0x34107759DB5DFBAA), UINT64_C(0x873E3BE7D8FAA4C5),
UINT64_C(0xC094410E731D5BF1), UINT64_C(0x73BA0DB070BA049E),
UINT64_C(0xB86133D4DBCC19FF), UINT64_C(0x0B4F7F6AD86B4690),
UINT64_C(0x4CE50583738CB9A4), UINT64_C(0xFFCB493D702BE6CB),
UINT64_C(0xC3B1F050244347CC), UINT64_C(0x709FBCEE27E418A3),
UINT64_C(0x3735C6078C03E797), UINT64_C(0x841B8AB98FA4B8F8),
UINT64_C(0xADDA7C5F3C4488E3), UINT64_C(0x1EF430E13FE3D78C),
UINT64_C(0x595E4A08940428B8), UINT64_C(0xEA7006B697A377D7),
UINT64_C(0xD60ABFDBC3CBD6D0), UINT64_C(0x6524F365C06C89BF),
UINT64_C(0x228E898C6B8B768B), UINT64_C(0x91A0C532682C29E4),
UINT64_C(0x5A7BFB56C35A3485), UINT64_C(0xE955B7E8C0FD6BEA),
UINT64_C(0xAEFFCD016B1A94DE), UINT64_C(0x1DD181BF68BDCBB1),
UINT64_C(0x21AB38D23CD56AB6), UINT64_C(0x9285746C3F7235D9),
UINT64_C(0xD52F0E859495CAED), UINT64_C(0x6601423B97329582),
UINT64_C(0xD041DD676D77EEAA), UINT64_C(0x636F91D96ED0B1C5),
UINT64_C(0x24C5EB30C5374EF1), UINT64_C(0x97EBA78EC690119E),
UINT64_C(0xAB911EE392F8B099), UINT64_C(0x18BF525D915FEFF6),
UINT64_C(0x5F1528B43AB810C2), UINT64_C(0xEC3B640A391F4FAD),
UINT64_C(0x27E05A6E926952CC), UINT64_C(0x94CE16D091CE0DA3),
UINT64_C(0xD3646C393A29F297), UINT64_C(0x604A2087398EADF8),
UINT64_C(0x5C3099EA6DE60CFF), UINT64_C(0xEF1ED5546E415390),
UINT64_C(0xA8B4AFBDC5A6ACA4), UINT64_C(0x1B9AE303C601F3CB),
UINT64_C(0x56ED3E2F9E224471), UINT64_C(0xE5C372919D851B1E),
UINT64_C(0xA26908783662E42A), UINT64_C(0x114744C635C5BB45),
UINT64_C(0x2D3DFDAB61AD1A42), UINT64_C(0x9E13B115620A452D),
UINT64_C(0xD9B9CBFCC9EDBA19), UINT64_C(0x6A978742CA4AE576),
UINT64_C(0xA14CB926613CF817), UINT64_C(0x1262F598629BA778),
UINT64_C(0x55C88F71C97C584C), UINT64_C(0xE6E6C3CFCADB0723),
UINT64_C(0xDA9C7AA29EB3A624), UINT64_C(0x69B2361C9D14F94B),
UINT64_C(0x2E184CF536F3067F), UINT64_C(0x9D36004B35545910),
UINT64_C(0x2B769F17CF112238), UINT64_C(0x9858D3A9CCB67D57),
UINT64_C(0xDFF2A94067518263), UINT64_C(0x6CDCE5FE64F6DD0C),
UINT64_C(0x50A65C93309E7C0B), UINT64_C(0xE388102D33392364),
UINT64_C(0xA4226AC498DEDC50), UINT64_C(0x170C267A9B79833F),
UINT64_C(0xDCD7181E300F9E5E), UINT64_C(0x6FF954A033A8C131),
UINT64_C(0x28532E49984F3E05), UINT64_C(0x9B7D62F79BE8616A),
UINT64_C(0xA707DB9ACF80C06D), UINT64_C(0x14299724CC279F02),
UINT64_C(0x5383EDCD67C06036), UINT64_C(0xE0ADA17364673F59)
}, {
UINT64_C(0x0000000000000000), UINT64_C(0x54E979925CD0F10D),
UINT64_C(0xA9D2F324B9A1E21A), UINT64_C(0xFD3B8AB6E5711317),
UINT64_C(0xC17D4962DC4DDAB1), UINT64_C(0x959430F0809D2BBC),
UINT64_C(0x68AFBA4665EC38AB), UINT64_C(0x3C46C3D4393CC9A6),
UINT64_C(0x10223DEE1795ABE7), UINT64_C(0x44CB447C4B455AEA),
UINT64_C(0xB9F0CECAAE3449FD), UINT64_C(0xED19B758F2E4B8F0),
UINT64_C(0xD15F748CCBD87156), UINT64_C(0x85B60D1E9708805B),
UINT64_C(0x788D87A87279934C), UINT64_C(0x2C64FE3A2EA96241),
UINT64_C(0x20447BDC2F2B57CE), UINT64_C(0x74AD024E73FBA6C3),
UINT64_C(0x899688F8968AB5D4), UINT64_C(0xDD7FF16ACA5A44D9),
UINT64_C(0xE13932BEF3668D7F), UINT64_C(0xB5D04B2CAFB67C72),
UINT64_C(0x48EBC19A4AC76F65), UINT64_C(0x1C02B80816179E68),
UINT64_C(0x3066463238BEFC29), UINT64_C(0x648F3FA0646E0D24),
UINT64_C(0x99B4B516811F1E33), UINT64_C(0xCD5DCC84DDCFEF3E),
UINT64_C(0xF11B0F50E4F32698), UINT64_C(0xA5F276C2B823D795),
UINT64_C(0x58C9FC745D52C482), UINT64_C(0x0C2085E60182358F),
UINT64_C(0x4088F7B85E56AF9C), UINT64_C(0x14618E2A02865E91),
UINT64_C(0xE95A049CE7F74D86), UINT64_C(0xBDB37D0EBB27BC8B),
UINT64_C(0x81F5BEDA821B752D), UINT64_C(0xD51CC748DECB8420),
UINT64_C(0x28274DFE3BBA9737), UINT64_C(0x7CCE346C676A663A),
UINT64_C(0x50AACA5649C3047B), UINT64_C(0x0443B3C41513F576),
UINT64_C(0xF9783972F062E661), UINT64_C(0xAD9140E0ACB2176C),
UINT64_C(0x91D78334958EDECA), UINT64_C(0xC53EFAA6C95E2FC7),
UINT64_C(0x380570102C2F3CD0), UINT64_C(0x6CEC098270FFCDDD),
UINT64_C(0x60CC8C64717DF852), UINT64_C(0x3425F5F62DAD095F),
UINT64_C(0xC91E7F40C8DC1A48), UINT64_C(0x9DF706D2940CEB45),
UINT64_C(0xA1B1C506AD3022E3), UINT64_C(0xF558BC94F1E0D3EE),
UINT64_C(0x086336221491C0F9), UINT64_C(0x5C8A4FB0484131F4),
UINT64_C(0x70EEB18A66E853B5), UINT64_C(0x2407C8183A38A2B8),
UINT64_C(0xD93C42AEDF49B1AF), UINT64_C(0x8DD53B3C839940A2),
UINT64_C(0xB193F8E8BAA58904), UINT64_C(0xE57A817AE6757809),
UINT64_C(0x18410BCC03046B1E), UINT64_C(0x4CA8725E5FD49A13),
UINT64_C(0x8111EF70BCAD5F38), UINT64_C(0xD5F896E2E07DAE35),
UINT64_C(0x28C31C54050CBD22), UINT64_C(0x7C2A65C659DC4C2F),
UINT64_C(0x406CA61260E08589), UINT64_C(0x1485DF803C307484),
UINT64_C(0xE9BE5536D9416793), UINT64_C(0xBD572CA48591969E),
UINT64_C(0x9133D29EAB38F4DF), UINT64_C(0xC5DAAB0CF7E805D2),
UINT64_C(0x38E121BA129916C5), UINT64_C(0x6C0858284E49E7C8),
UINT64_C(0x504E9BFC77752E6E), UINT64_C(0x04A7E26E2BA5DF63),
UINT64_C(0xF99C68D8CED4CC74), UINT64_C(0xAD75114A92043D79),
UINT64_C(0xA15594AC938608F6), UINT64_C(0xF5BCED3ECF56F9FB),
UINT64_C(0x088767882A27EAEC), UINT64_C(0x5C6E1E1A76F71BE1),
UINT64_C(0x6028DDCE4FCBD247), UINT64_C(0x34C1A45C131B234A),
UINT64_C(0xC9FA2EEAF66A305D), UINT64_C(0x9D135778AABAC150),
UINT64_C(0xB177A9428413A311), UINT64_C(0xE59ED0D0D8C3521C),
UINT64_C(0x18A55A663DB2410B), UINT64_C(0x4C4C23F46162B006),
UINT64_C(0x700AE020585E79A0), UINT64_C(0x24E399B2048E88AD),
UINT64_C(0xD9D81304E1FF9BBA), UINT64_C(0x8D316A96BD2F6AB7),
UINT64_C(0xC19918C8E2FBF0A4), UINT64_C(0x9570615ABE2B01A9),
UINT64_C(0x684BEBEC5B5A12BE), UINT64_C(0x3CA2927E078AE3B3),
UINT64_C(0x00E451AA3EB62A15), UINT64_C(0x540D28386266DB18),
UINT64_C(0xA936A28E8717C80F), UINT64_C(0xFDDFDB1CDBC73902),
UINT64_C(0xD1BB2526F56E5B43), UINT64_C(0x85525CB4A9BEAA4E),
UINT64_C(0x7869D6024CCFB959), UINT64_C(0x2C80AF90101F4854),
UINT64_C(0x10C66C44292381F2), UINT64_C(0x442F15D675F370FF),
UINT64_C(0xB9149F60908263E8), UINT64_C(0xEDFDE6F2CC5292E5),
UINT64_C(0xE1DD6314CDD0A76A), UINT64_C(0xB5341A8691005667),
UINT64_C(0x480F903074714570), UINT64_C(0x1CE6E9A228A1B47D),
UINT64_C(0x20A02A76119D7DDB), UINT64_C(0x744953E44D4D8CD6),
UINT64_C(0x8972D952A83C9FC1), UINT64_C(0xDD9BA0C0F4EC6ECC),
UINT64_C(0xF1FF5EFADA450C8D), UINT64_C(0xA51627688695FD80),
UINT64_C(0x582DADDE63E4EE97), UINT64_C(0x0CC4D44C3F341F9A),
UINT64_C(0x308217980608D63C), UINT64_C(0x646B6E0A5AD82731),
UINT64_C(0x9950E4BCBFA93426), UINT64_C(0xCDB99D2EE379C52B),
UINT64_C(0x90FB71CAD654A0F5), UINT64_C(0xC41208588A8451F8),
UINT64_C(0x392982EE6FF542EF), UINT64_C(0x6DC0FB7C3325B3E2),
UINT64_C(0x518638A80A197A44), UINT64_C(0x056F413A56C98B49),
UINT64_C(0xF854CB8CB3B8985E), UINT64_C(0xACBDB21EEF686953),
UINT64_C(0x80D94C24C1C10B12), UINT64_C(0xD43035B69D11FA1F),
UINT64_C(0x290BBF007860E908), UINT64_C(0x7DE2C69224B01805),
UINT64_C(0x41A405461D8CD1A3), UINT64_C(0x154D7CD4415C20AE),
UINT64_C(0xE876F662A42D33B9), UINT64_C(0xBC9F8FF0F8FDC2B4),
UINT64_C(0xB0BF0A16F97FF73B), UINT64_C(0xE4567384A5AF0636),
UINT64_C(0x196DF93240DE1521), UINT64_C(0x4D8480A01C0EE42C),
UINT64_C(0x71C2437425322D8A), UINT64_C(0x252B3AE679E2DC87),
UINT64_C(0xD810B0509C93CF90), UINT64_C(0x8CF9C9C2C0433E9D),
UINT64_C(0xA09D37F8EEEA5CDC), UINT64_C(0xF4744E6AB23AADD1),
UINT64_C(0x094FC4DC574BBEC6), UINT64_C(0x5DA6BD4E0B9B4FCB),
UINT64_C(0x61E07E9A32A7866D), UINT64_C(0x350907086E777760),
UINT64_C(0xC8328DBE8B066477), UINT64_C(0x9CDBF42CD7D6957A),
UINT64_C(0xD073867288020F69), UINT64_C(0x849AFFE0D4D2FE64),
UINT64_C(0x79A1755631A3ED73), UINT64_C(0x2D480CC46D731C7E),
UINT64_C(0x110ECF10544FD5D8), UINT64_C(0x45E7B682089F24D5),
UINT64_C(0xB8DC3C34EDEE37C2), UINT64_C(0xEC3545A6B13EC6CF),
UINT64_C(0xC051BB9C9F97A48E), UINT64_C(0x94B8C20EC3475583),
UINT64_C(0x698348B826364694), UINT64_C(0x3D6A312A7AE6B799),
UINT64_C(0x012CF2FE43DA7E3F), UINT64_C(0x55C58B6C1F0A8F32),
UINT64_C(0xA8FE01DAFA7B9C25), UINT64_C(0xFC177848A6AB6D28),
UINT64_C(0xF037FDAEA72958A7), UINT64_C(0xA4DE843CFBF9A9AA),
UINT64_C(0x59E50E8A1E88BABD), UINT64_C(0x0D0C771842584BB0),
UINT64_C(0x314AB4CC7B648216), UINT64_C(0x65A3CD5E27B4731B),
UINT64_C(0x989847E8C2C5600C), UINT64_C(0xCC713E7A9E159101),
UINT64_C(0xE015C040B0BCF340), UINT64_C(0xB4FCB9D2EC6C024D),
UINT64_C(0x49C73364091D115A), UINT64_C(0x1D2E4AF655CDE057),
UINT64_C(0x216889226CF129F1), UINT64_C(0x7581F0B03021D8FC),
UINT64_C(0x88BA7A06D550CBEB), UINT64_C(0xDC53039489803AE6),
UINT64_C(0x11EA9EBA6AF9FFCD), UINT64_C(0x4503E72836290EC0),
UINT64_C(0xB8386D9ED3581DD7), UINT64_C(0xECD1140C8F88ECDA),
UINT64_C(0xD097D7D8B6B4257C), UINT64_C(0x847EAE4AEA64D471),
UINT64_C(0x794524FC0F15C766), UINT64_C(0x2DAC5D6E53C5366B),
UINT64_C(0x01C8A3547D6C542A), UINT64_C(0x5521DAC621BCA527),
UINT64_C(0xA81A5070C4CDB630), UINT64_C(0xFCF329E2981D473D),
UINT64_C(0xC0B5EA36A1218E9B), UINT64_C(0x945C93A4FDF17F96),
UINT64_C(0x6967191218806C81), UINT64_C(0x3D8E608044509D8C),
UINT64_C(0x31AEE56645D2A803), UINT64_C(0x65479CF41902590E),
UINT64_C(0x987C1642FC734A19), UINT64_C(0xCC956FD0A0A3BB14),
UINT64_C(0xF0D3AC04999F72B2), UINT64_C(0xA43AD596C54F83BF),
UINT64_C(0x59015F20203E90A8), UINT64_C(0x0DE826B27CEE61A5),
UINT64_C(0x218CD888524703E4), UINT64_C(0x7565A11A0E97F2E9),
UINT64_C(0x885E2BACEBE6E1FE), UINT64_C(0xDCB7523EB73610F3),
UINT64_C(0xE0F191EA8E0AD955), UINT64_C(0xB418E878D2DA2858),
UINT64_C(0x492362CE37AB3B4F), UINT64_C(0x1DCA1B5C6B7BCA42),
UINT64_C(0x5162690234AF5051), UINT64_C(0x058B1090687FA15C),
UINT64_C(0xF8B09A268D0EB24B), UINT64_C(0xAC59E3B4D1DE4346),
UINT64_C(0x901F2060E8E28AE0), UINT64_C(0xC4F659F2B4327BED),
UINT64_C(0x39CDD344514368FA), UINT64_C(0x6D24AAD60D9399F7),
UINT64_C(0x414054EC233AFBB6), UINT64_C(0x15A92D7E7FEA0ABB),
UINT64_C(0xE892A7C89A9B19AC), UINT64_C(0xBC7BDE5AC64BE8A1),
UINT64_C(0x803D1D8EFF772107), UINT64_C(0xD4D4641CA3A7D00A),
UINT64_C(0x29EFEEAA46D6C31D), UINT64_C(0x7D0697381A063210),
UINT64_C(0x712612DE1B84079F), UINT64_C(0x25CF6B4C4754F692),
UINT64_C(0xD8F4E1FAA225E585), UINT64_C(0x8C1D9868FEF51488),
UINT64_C(0xB05B5BBCC7C9DD2E), UINT64_C(0xE4B2222E9B192C23),
UINT64_C(0x1989A8987E683F34), UINT64_C(0x4D60D10A22B8CE39),
UINT64_C(0x61042F300C11AC78), UINT64_C(0x35ED56A250C15D75),
UINT64_C(0xC8D6DC14B5B04E62), UINT64_C(0x9C3FA586E960BF6F),
UINT64_C(0xA0796652D05C76C9), UINT64_C(0xF4901FC08C8C87C4),
UINT64_C(0x09AB957669FD94D3), UINT64_C(0x5D42ECE4352D65DE)
}, {
UINT64_C(0x0000000000000000), UINT64_C(0x3F0BE14A916A6DCB),
UINT64_C(0x7E17C29522D4DB96), UINT64_C(0x411C23DFB3BEB65D),
UINT64_C(0xFC2F852A45A9B72C), UINT64_C(0xC3246460D4C3DAE7),
UINT64_C(0x823847BF677D6CBA), UINT64_C(0xBD33A6F5F6170171),
UINT64_C(0x6A87A57F245D70DD), UINT64_C(0x558C4435B5371D16),
UINT64_C(0x149067EA0689AB4B), UINT64_C(0x2B9B86A097E3C680),
UINT64_C(0x96A8205561F4C7F1), UINT64_C(0xA9A3C11FF09EAA3A),
UINT64_C(0xE8BFE2C043201C67), UINT64_C(0xD7B4038AD24A71AC),
UINT64_C(0xD50F4AFE48BAE1BA), UINT64_C(0xEA04ABB4D9D08C71),
UINT64_C(0xAB18886B6A6E3A2C), UINT64_C(0x94136921FB0457E7),
UINT64_C(0x2920CFD40D135696), UINT64_C(0x162B2E9E9C793B5D),
UINT64_C(0x57370D412FC78D00), UINT64_C(0x683CEC0BBEADE0CB),
UINT64_C(0xBF88EF816CE79167), UINT64_C(0x80830ECBFD8DFCAC),
UINT64_C(0xC19F2D144E334AF1), UINT64_C(0xFE94CC5EDF59273A),
UINT64_C(0x43A76AAB294E264B), UINT64_C(0x7CAC8BE1B8244B80),
UINT64_C(0x3DB0A83E0B9AFDDD), UINT64_C(0x02BB49749AF09016),
UINT64_C(0x38C63AD73E7BDDF1), UINT64_C(0x07CDDB9DAF11B03A),
UINT64_C(0x46D1F8421CAF0667), UINT64_C(0x79DA19088DC56BAC),
UINT64_C(0xC4E9BFFD7BD26ADD), UINT64_C(0xFBE25EB7EAB80716),
UINT64_C(0xBAFE7D685906B14B), UINT64_C(0x85F59C22C86CDC80),
UINT64_C(0x52419FA81A26AD2C), UINT64_C(0x6D4A7EE28B4CC0E7),
UINT64_C(0x2C565D3D38F276BA), UINT64_C(0x135DBC77A9981B71),
UINT64_C(0xAE6E1A825F8F1A00), UINT64_C(0x9165FBC8CEE577CB),
UINT64_C(0xD079D8177D5BC196), UINT64_C(0xEF72395DEC31AC5D),
UINT64_C(0xEDC9702976C13C4B), UINT64_C(0xD2C29163E7AB5180),
UINT64_C(0x93DEB2BC5415E7DD), UINT64_C(0xACD553F6C57F8A16),
UINT64_C(0x11E6F50333688B67), UINT64_C(0x2EED1449A202E6AC),
UINT64_C(0x6FF1379611BC50F1), UINT64_C(0x50FAD6DC80D63D3A),
UINT64_C(0x874ED556529C4C96), UINT64_C(0xB845341CC3F6215D),
UINT64_C(0xF95917C370489700), UINT64_C(0xC652F689E122FACB),
UINT64_C(0x7B61507C1735FBBA), UINT64_C(0x446AB136865F9671),
UINT64_C(0x057692E935E1202C), UINT64_C(0x3A7D73A3A48B4DE7),
UINT64_C(0x718C75AE7CF7BBE2), UINT64_C(0x4E8794E4ED9DD629),
UINT64_C(0x0F9BB73B5E236074), UINT64_C(0x30905671CF490DBF),
UINT64_C(0x8DA3F084395E0CCE), UINT64_C(0xB2A811CEA8346105),
UINT64_C(0xF3B432111B8AD758), UINT64_C(0xCCBFD35B8AE0BA93),
UINT64_C(0x1B0BD0D158AACB3F), UINT64_C(0x2400319BC9C0A6F4),
UINT64_C(0x651C12447A7E10A9), UINT64_C(0x5A17F30EEB147D62),
UINT64_C(0xE72455FB1D037C13), UINT64_C(0xD82FB4B18C6911D8),
UINT64_C(0x9933976E3FD7A785), UINT64_C(0xA6387624AEBDCA4E),
UINT64_C(0xA4833F50344D5A58), UINT64_C(0x9B88DE1AA5273793),
UINT64_C(0xDA94FDC5169981CE), UINT64_C(0xE59F1C8F87F3EC05),
UINT64_C(0x58ACBA7A71E4ED74), UINT64_C(0x67A75B30E08E80BF),
UINT64_C(0x26BB78EF533036E2), UINT64_C(0x19B099A5C25A5B29),
UINT64_C(0xCE049A2F10102A85), UINT64_C(0xF10F7B65817A474E),
UINT64_C(0xB01358BA32C4F113), UINT64_C(0x8F18B9F0A3AE9CD8),
UINT64_C(0x322B1F0555B99DA9), UINT64_C(0x0D20FE4FC4D3F062),
UINT64_C(0x4C3CDD90776D463F), UINT64_C(0x73373CDAE6072BF4),
UINT64_C(0x494A4F79428C6613), UINT64_C(0x7641AE33D3E60BD8),
UINT64_C(0x375D8DEC6058BD85), UINT64_C(0x08566CA6F132D04E),
UINT64_C(0xB565CA530725D13F), UINT64_C(0x8A6E2B19964FBCF4),
UINT64_C(0xCB7208C625F10AA9), UINT64_C(0xF479E98CB49B6762),
UINT64_C(0x23CDEA0666D116CE), UINT64_C(0x1CC60B4CF7BB7B05),
UINT64_C(0x5DDA28934405CD58), UINT64_C(0x62D1C9D9D56FA093),
UINT64_C(0xDFE26F2C2378A1E2), UINT64_C(0xE0E98E66B212CC29),
UINT64_C(0xA1F5ADB901AC7A74), UINT64_C(0x9EFE4CF390C617BF),
UINT64_C(0x9C4505870A3687A9), UINT64_C(0xA34EE4CD9B5CEA62),
UINT64_C(0xE252C71228E25C3F), UINT64_C(0xDD592658B98831F4),
UINT64_C(0x606A80AD4F9F3085), UINT64_C(0x5F6161E7DEF55D4E),
UINT64_C(0x1E7D42386D4BEB13), UINT64_C(0x2176A372FC2186D8),
UINT64_C(0xF6C2A0F82E6BF774), UINT64_C(0xC9C941B2BF019ABF),
UINT64_C(0x88D5626D0CBF2CE2), UINT64_C(0xB7DE83279DD54129),
UINT64_C(0x0AED25D26BC24058), UINT64_C(0x35E6C498FAA82D93),
UINT64_C(0x74FAE74749169BCE), UINT64_C(0x4BF1060DD87CF605),
UINT64_C(0xE318EB5CF9EF77C4), UINT64_C(0xDC130A1668851A0F),
UINT64_C(0x9D0F29C9DB3BAC52), UINT64_C(0xA204C8834A51C199),
UINT64_C(0x1F376E76BC46C0E8), UINT64_C(0x203C8F3C2D2CAD23),
UINT64_C(0x6120ACE39E921B7E), UINT64_C(0x5E2B4DA90FF876B5),
UINT64_C(0x899F4E23DDB20719), UINT64_C(0xB694AF694CD86AD2),
UINT64_C(0xF7888CB6FF66DC8F), UINT64_C(0xC8836DFC6E0CB144),
UINT64_C(0x75B0CB09981BB035), UINT64_C(0x4ABB2A430971DDFE),
UINT64_C(0x0BA7099CBACF6BA3), UINT64_C(0x34ACE8D62BA50668),
UINT64_C(0x3617A1A2B155967E), UINT64_C(0x091C40E8203FFBB5),
UINT64_C(0x4800633793814DE8), UINT64_C(0x770B827D02EB2023),
UINT64_C(0xCA382488F4FC2152), UINT64_C(0xF533C5C265964C99),
UINT64_C(0xB42FE61DD628FAC4), UINT64_C(0x8B2407574742970F),
UINT64_C(0x5C9004DD9508E6A3), UINT64_C(0x639BE59704628B68),
UINT64_C(0x2287C648B7DC3D35), UINT64_C(0x1D8C270226B650FE),
UINT64_C(0xA0BF81F7D0A1518F), UINT64_C(0x9FB460BD41CB3C44),
UINT64_C(0xDEA84362F2758A19), UINT64_C(0xE1A3A228631FE7D2),
UINT64_C(0xDBDED18BC794AA35), UINT64_C(0xE4D530C156FEC7FE),
UINT64_C(0xA5C9131EE54071A3), UINT64_C(0x9AC2F254742A1C68),
UINT64_C(0x27F154A1823D1D19), UINT64_C(0x18FAB5EB135770D2),
UINT64_C(0x59E69634A0E9C68F), UINT64_C(0x66ED777E3183AB44),
UINT64_C(0xB15974F4E3C9DAE8), UINT64_C(0x8E5295BE72A3B723),
UINT64_C(0xCF4EB661C11D017E), UINT64_C(0xF045572B50776CB5),
UINT64_C(0x4D76F1DEA6606DC4), UINT64_C(0x727D1094370A000F),
UINT64_C(0x3361334B84B4B652), UINT64_C(0x0C6AD20115DEDB99),
UINT64_C(0x0ED19B758F2E4B8F), UINT64_C(0x31DA7A3F1E442644),
UINT64_C(0x70C659E0ADFA9019), UINT64_C(0x4FCDB8AA3C90FDD2),
UINT64_C(0xF2FE1E5FCA87FCA3), UINT64_C(0xCDF5FF155BED9168),
UINT64_C(0x8CE9DCCAE8532735), UINT64_C(0xB3E23D8079394AFE),
UINT64_C(0x64563E0AAB733B52), UINT64_C(0x5B5DDF403A195699),
UINT64_C(0x1A41FC9F89A7E0C4), UINT64_C(0x254A1DD518CD8D0F),
UINT64_C(0x9879BB20EEDA8C7E), UINT64_C(0xA7725A6A7FB0E1B5),
UINT64_C(0xE66E79B5CC0E57E8), UINT64_C(0xD96598FF5D643A23),
UINT64_C(0x92949EF28518CC26), UINT64_C(0xAD9F7FB81472A1ED),
UINT64_C(0xEC835C67A7CC17B0), UINT64_C(0xD388BD2D36A67A7B),
UINT64_C(0x6EBB1BD8C0B17B0A), UINT64_C(0x51B0FA9251DB16C1),
UINT64_C(0x10ACD94DE265A09C), UINT64_C(0x2FA73807730FCD57),
UINT64_C(0xF8133B8DA145BCFB), UINT64_C(0xC718DAC7302FD130),
UINT64_C(0x8604F9188391676D), UINT64_C(0xB90F185212FB0AA6),
UINT64_C(0x043CBEA7E4EC0BD7), UINT64_C(0x3B375FED7586661C),
UINT64_C(0x7A2B7C32C638D041), UINT64_C(0x45209D785752BD8A),
UINT64_C(0x479BD40CCDA22D9C), UINT64_C(0x789035465CC84057),
UINT64_C(0x398C1699EF76F60A), UINT64_C(0x0687F7D37E1C9BC1),
UINT64_C(0xBBB45126880B9AB0), UINT64_C(0x84BFB06C1961F77B),
UINT64_C(0xC5A393B3AADF4126), UINT64_C(0xFAA872F93BB52CED),
UINT64_C(0x2D1C7173E9FF5D41), UINT64_C(0x121790397895308A),
UINT64_C(0x530BB3E6CB2B86D7), UINT64_C(0x6C0052AC5A41EB1C),
UINT64_C(0xD133F459AC56EA6D), UINT64_C(0xEE3815133D3C87A6),
UINT64_C(0xAF2436CC8E8231FB), UINT64_C(0x902FD7861FE85C30),
UINT64_C(0xAA52A425BB6311D7), UINT64_C(0x9559456F2A097C1C),
UINT64_C(0xD44566B099B7CA41), UINT64_C(0xEB4E87FA08DDA78A),
UINT64_C(0x567D210FFECAA6FB), UINT64_C(0x6976C0456FA0CB30),
UINT64_C(0x286AE39ADC1E7D6D), UINT64_C(0x176102D04D7410A6),
UINT64_C(0xC0D5015A9F3E610A), UINT64_C(0xFFDEE0100E540CC1),
UINT64_C(0xBEC2C3CFBDEABA9C), UINT64_C(0x81C922852C80D757),
UINT64_C(0x3CFA8470DA97D626), UINT64_C(0x03F1653A4BFDBBED),
UINT64_C(0x42ED46E5F8430DB0), UINT64_C(0x7DE6A7AF6929607B),
UINT64_C(0x7F5DEEDBF3D9F06D), UINT64_C(0x40560F9162B39DA6),
UINT64_C(0x014A2C4ED10D2BFB), UINT64_C(0x3E41CD0440674630),
UINT64_C(0x83726BF1B6704741), UINT64_C(0xBC798ABB271A2A8A),
UINT64_C(0xFD65A96494A49CD7), UINT64_C(0xC26E482E05CEF11C),
UINT64_C(0x15DA4BA4D78480B0), UINT64_C(0x2AD1AAEE46EEED7B),
UINT64_C(0x6BCD8931F5505B26), UINT64_C(0x54C6687B643A36ED),
UINT64_C(0xE9F5CE8E922D379C), UINT64_C(0xD6FE2FC403475A57),
UINT64_C(0x97E20C1BB0F9EC0A), UINT64_C(0xA8E9ED51219381C1)
}, {
UINT64_C(0x0000000000000000), UINT64_C(0x1DEE8A5E222CA1DC),
UINT64_C(0x3BDD14BC445943B8), UINT64_C(0x26339EE26675E264),
UINT64_C(0x77BA297888B28770), UINT64_C(0x6A54A326AA9E26AC),
UINT64_C(0x4C673DC4CCEBC4C8), UINT64_C(0x5189B79AEEC76514),
UINT64_C(0xEF7452F111650EE0), UINT64_C(0xF29AD8AF3349AF3C),
UINT64_C(0xD4A9464D553C4D58), UINT64_C(0xC947CC137710EC84),
UINT64_C(0x98CE7B8999D78990), UINT64_C(0x8520F1D7BBFB284C),
UINT64_C(0xA3136F35DD8ECA28), UINT64_C(0xBEFDE56BFFA26BF4),
UINT64_C(0x4C300AC98DC40345), UINT64_C(0x51DE8097AFE8A299),
UINT64_C(0x77ED1E75C99D40FD), UINT64_C(0x6A03942BEBB1E121),
UINT64_C(0x3B8A23B105768435), UINT64_C(0x2664A9EF275A25E9),
UINT64_C(0x0057370D412FC78D), UINT64_C(0x1DB9BD5363036651),
UINT64_C(0xA34458389CA10DA5), UINT64_C(0xBEAAD266BE8DAC79),
UINT64_C(0x98994C84D8F84E1D), UINT64_C(0x8577C6DAFAD4EFC1),
UINT64_C(0xD4FE714014138AD5), UINT64_C(0xC910FB1E363F2B09),
UINT64_C(0xEF2365FC504AC96D), UINT64_C(0xF2CDEFA2726668B1),
UINT64_C(0x986015931B88068A), UINT64_C(0x858E9FCD39A4A756),
UINT64_C(0xA3BD012F5FD14532), UINT64_C(0xBE538B717DFDE4EE),
UINT64_C(0xEFDA3CEB933A81FA), UINT64_C(0xF234B6B5B1162026),
UINT64_C(0xD4072857D763C242), UINT64_C(0xC9E9A209F54F639E),
UINT64_C(0x771447620AED086A), UINT64_C(0x6AFACD3C28C1A9B6),
UINT64_C(0x4CC953DE4EB44BD2), UINT64_C(0x5127D9806C98EA0E),
UINT64_C(0x00AE6E1A825F8F1A), UINT64_C(0x1D40E444A0732EC6),
UINT64_C(0x3B737AA6C606CCA2), UINT64_C(0x269DF0F8E42A6D7E),
UINT64_C(0xD4501F5A964C05CF), UINT64_C(0xC9BE9504B460A413),
UINT64_C(0xEF8D0BE6D2154677), UINT64_C(0xF26381B8F039E7AB),
UINT64_C(0xA3EA36221EFE82BF), UINT64_C(0xBE04BC7C3CD22363),
UINT64_C(0x9837229E5AA7C107), UINT64_C(0x85D9A8C0788B60DB),
UINT64_C(0x3B244DAB87290B2F), UINT64_C(0x26CAC7F5A505AAF3),
UINT64_C(0x00F95917C3704897), UINT64_C(0x1D17D349E15CE94B),
UINT64_C(0x4C9E64D30F9B8C5F), UINT64_C(0x5170EE8D2DB72D83),
UINT64_C(0x7743706F4BC2CFE7), UINT64_C(0x6AADFA3169EE6E3B),
UINT64_C(0xA218840D981E1391), UINT64_C(0xBFF60E53BA32B24D),
UINT64_C(0x99C590B1DC475029), UINT64_C(0x842B1AEFFE6BF1F5),
UINT64_C(0xD5A2AD7510AC94E1), UINT64_C(0xC84C272B3280353D),
UINT64_C(0xEE7FB9C954F5D759), UINT64_C(0xF391339776D97685),
UINT64_C(0x4D6CD6FC897B1D71), UINT64_C(0x50825CA2AB57BCAD),
UINT64_C(0x76B1C240CD225EC9), UINT64_C(0x6B5F481EEF0EFF15),
UINT64_C(0x3AD6FF8401C99A01), UINT64_C(0x273875DA23E53BDD),
UINT64_C(0x010BEB384590D9B9), UINT64_C(0x1CE5616667BC7865),
UINT64_C(0xEE288EC415DA10D4), UINT64_C(0xF3C6049A37F6B108),
UINT64_C(0xD5F59A785183536C), UINT64_C(0xC81B102673AFF2B0),
UINT64_C(0x9992A7BC9D6897A4), UINT64_C(0x847C2DE2BF443678),
UINT64_C(0xA24FB300D931D41C), UINT64_C(0xBFA1395EFB1D75C0),
UINT64_C(0x015CDC3504BF1E34), UINT64_C(0x1CB2566B2693BFE8),
UINT64_C(0x3A81C88940E65D8C), UINT64_C(0x276F42D762CAFC50),
UINT64_C(0x76E6F54D8C0D9944), UINT64_C(0x6B087F13AE213898),
UINT64_C(0x4D3BE1F1C854DAFC), UINT64_C(0x50D56BAFEA787B20),
UINT64_C(0x3A78919E8396151B), UINT64_C(0x27961BC0A1BAB4C7),
UINT64_C(0x01A58522C7CF56A3), UINT64_C(0x1C4B0F7CE5E3F77F),
UINT64_C(0x4DC2B8E60B24926B), UINT64_C(0x502C32B8290833B7),
UINT64_C(0x761FAC5A4F7DD1D3), UINT64_C(0x6BF126046D51700F),
UINT64_C(0xD50CC36F92F31BFB), UINT64_C(0xC8E24931B0DFBA27),
UINT64_C(0xEED1D7D3D6AA5843), UINT64_C(0xF33F5D8DF486F99F),
UINT64_C(0xA2B6EA171A419C8B), UINT64_C(0xBF586049386D3D57),
UINT64_C(0x996BFEAB5E18DF33), UINT64_C(0x848574F57C347EEF),
UINT64_C(0x76489B570E52165E), UINT64_C(0x6BA611092C7EB782),
UINT64_C(0x4D958FEB4A0B55E6), UINT64_C(0x507B05B56827F43A),
UINT64_C(0x01F2B22F86E0912E), UINT64_C(0x1C1C3871A4CC30F2),
UINT64_C(0x3A2FA693C2B9D296), UINT64_C(0x27C12CCDE095734A),
UINT64_C(0x993CC9A61F3718BE), UINT64_C(0x84D243F83D1BB962),
UINT64_C(0xA2E1DD1A5B6E5B06), UINT64_C(0xBF0F57447942FADA),
UINT64_C(0xEE86E0DE97859FCE), UINT64_C(0xF3686A80B5A93E12),
UINT64_C(0xD55BF462D3DCDC76), UINT64_C(0xC8B57E3CF1F07DAA),
UINT64_C(0xD6E9A7309F3239A7), UINT64_C(0xCB072D6EBD1E987B),
UINT64_C(0xED34B38CDB6B7A1F), UINT64_C(0xF0DA39D2F947DBC3),
UINT64_C(0xA1538E481780BED7), UINT64_C(0xBCBD041635AC1F0B),
UINT64_C(0x9A8E9AF453D9FD6F), UINT64_C(0x876010AA71F55CB3),
UINT64_C(0x399DF5C18E573747), UINT64_C(0x24737F9FAC7B969B),
UINT64_C(0x0240E17DCA0E74FF), UINT64_C(0x1FAE6B23E822D523),
UINT64_C(0x4E27DCB906E5B037), UINT64_C(0x53C956E724C911EB),
UINT64_C(0x75FAC80542BCF38F), UINT64_C(0x6814425B60905253),
UINT64_C(0x9AD9ADF912F63AE2), UINT64_C(0x873727A730DA9B3E),
UINT64_C(0xA104B94556AF795A), UINT64_C(0xBCEA331B7483D886),
UINT64_C(0xED6384819A44BD92), UINT64_C(0xF08D0EDFB8681C4E),
UINT64_C(0xD6BE903DDE1DFE2A), UINT64_C(0xCB501A63FC315FF6),
UINT64_C(0x75ADFF0803933402), UINT64_C(0x6843755621BF95DE),
UINT64_C(0x4E70EBB447CA77BA), UINT64_C(0x539E61EA65E6D666),
UINT64_C(0x0217D6708B21B372), UINT64_C(0x1FF95C2EA90D12AE),
UINT64_C(0x39CAC2CCCF78F0CA), UINT64_C(0x24244892ED545116),
UINT64_C(0x4E89B2A384BA3F2D), UINT64_C(0x536738FDA6969EF1),
UINT64_C(0x7554A61FC0E37C95), UINT64_C(0x68BA2C41E2CFDD49),
UINT64_C(0x39339BDB0C08B85D), UINT64_C(0x24DD11852E241981),
UINT64_C(0x02EE8F674851FBE5), UINT64_C(0x1F0005396A7D5A39),
UINT64_C(0xA1FDE05295DF31CD), UINT64_C(0xBC136A0CB7F39011),
UINT64_C(0x9A20F4EED1867275), UINT64_C(0x87CE7EB0F3AAD3A9),
UINT64_C(0xD647C92A1D6DB6BD), UINT64_C(0xCBA943743F411761),
UINT64_C(0xED9ADD965934F505), UINT64_C(0xF07457C87B1854D9),
UINT64_C(0x02B9B86A097E3C68), UINT64_C(0x1F5732342B529DB4),
UINT64_C(0x3964ACD64D277FD0), UINT64_C(0x248A26886F0BDE0C),
UINT64_C(0x7503911281CCBB18), UINT64_C(0x68ED1B4CA3E01AC4),
UINT64_C(0x4EDE85AEC595F8A0), UINT64_C(0x53300FF0E7B9597C),
UINT64_C(0xEDCDEA9B181B3288), UINT64_C(0xF02360C53A379354),
UINT64_C(0xD610FE275C427130), UINT64_C(0xCBFE74797E6ED0EC),
UINT64_C(0x9A77C3E390A9B5F8), UINT64_C(0x879949BDB2851424),
UINT64_C(0xA1AAD75FD4F0F640), UINT64_C(0xBC445D01F6DC579C),
UINT64_C(0x74F1233D072C2A36), UINT64_C(0x691FA96325008BEA),
UINT64_C(0x4F2C37814375698E), UINT64_C(0x52C2BDDF6159C852),
UINT64_C(0x034B0A458F9EAD46), UINT64_C(0x1EA5801BADB20C9A),
UINT64_C(0x38961EF9CBC7EEFE), UINT64_C(0x257894A7E9EB4F22),
UINT64_C(0x9B8571CC164924D6), UINT64_C(0x866BFB923465850A),
UINT64_C(0xA05865705210676E), UINT64_C(0xBDB6EF2E703CC6B2),
UINT64_C(0xEC3F58B49EFBA3A6), UINT64_C(0xF1D1D2EABCD7027A),
UINT64_C(0xD7E24C08DAA2E01E), UINT64_C(0xCA0CC656F88E41C2),
UINT64_C(0x38C129F48AE82973), UINT64_C(0x252FA3AAA8C488AF),
UINT64_C(0x031C3D48CEB16ACB), UINT64_C(0x1EF2B716EC9DCB17),
UINT64_C(0x4F7B008C025AAE03), UINT64_C(0x52958AD220760FDF),
UINT64_C(0x74A614304603EDBB), UINT64_C(0x69489E6E642F4C67),
UINT64_C(0xD7B57B059B8D2793), UINT64_C(0xCA5BF15BB9A1864F),
UINT64_C(0xEC686FB9DFD4642B), UINT64_C(0xF186E5E7FDF8C5F7),
UINT64_C(0xA00F527D133FA0E3), UINT64_C(0xBDE1D8233113013F),
UINT64_C(0x9BD246C15766E35B), UINT64_C(0x863CCC9F754A4287),
UINT64_C(0xEC9136AE1CA42CBC), UINT64_C(0xF17FBCF03E888D60),
UINT64_C(0xD74C221258FD6F04), UINT64_C(0xCAA2A84C7AD1CED8),
UINT64_C(0x9B2B1FD69416ABCC), UINT64_C(0x86C59588B63A0A10),
UINT64_C(0xA0F60B6AD04FE874), UINT64_C(0xBD188134F26349A8),
UINT64_C(0x03E5645F0DC1225C), UINT64_C(0x1E0BEE012FED8380),
UINT64_C(0x383870E3499861E4), UINT64_C(0x25D6FABD6BB4C038),
UINT64_C(0x745F4D278573A52C), UINT64_C(0x69B1C779A75F04F0),
UINT64_C(0x4F82599BC12AE694), UINT64_C(0x526CD3C5E3064748),
UINT64_C(0xA0A13C6791602FF9), UINT64_C(0xBD4FB639B34C8E25),
UINT64_C(0x9B7C28DBD5396C41), UINT64_C(0x8692A285F715CD9D),
UINT64_C(0xD71B151F19D2A889), UINT64_C(0xCAF59F413BFE0955),
UINT64_C(0xECC601A35D8BEB31), UINT64_C(0xF1288BFD7FA74AED),
UINT64_C(0x4FD56E9680052119), UINT64_C(0x523BE4C8A22980C5),
UINT64_C(0x74087A2AC45C62A1), UINT64_C(0x69E6F074E670C37D),
UINT64_C(0x386F47EE08B7A669), UINT64_C(0x2581CDB02A9B07B5),
UINT64_C(0x03B253524CEEE5D1), UINT64_C(0x1E5CD90C6EC2440D)
}
};

88
Externals/liblzma/check/crc64_tablegen.c vendored Normal file
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@ -0,0 +1,88 @@
///////////////////////////////////////////////////////////////////////////////
//
/// \file crc64_tablegen.c
/// \brief Generate crc64_table_le.h and crc64_table_be.h
///
/// Compiling: gcc -std=c99 -o crc64_tablegen crc64_tablegen.c
/// Add -DWORDS_BIGENDIAN to generate big endian table.
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include <stdio.h>
#include "tuklib_integer.h"
static uint64_t crc64_table[4][256];
extern void
init_crc64_table(void)
{
static const uint64_t poly64 = UINT64_C(0xC96C5795D7870F42);
for (size_t s = 0; s < 4; ++s) {
for (size_t b = 0; b < 256; ++b) {
uint64_t r = s == 0 ? b : crc64_table[s - 1][b];
for (size_t i = 0; i < 8; ++i) {
if (r & 1)
r = (r >> 1) ^ poly64;
else
r >>= 1;
}
crc64_table[s][b] = r;
}
}
#ifdef WORDS_BIGENDIAN
for (size_t s = 0; s < 4; ++s)
for (size_t b = 0; b < 256; ++b)
crc64_table[s][b] = bswap64(crc64_table[s][b]);
#endif
return;
}
static void
print_crc64_table(void)
{
printf("/* This file has been automatically generated by "
"crc64_tablegen.c. */\n\n"
"const uint64_t lzma_crc64_table[4][256] = {\n\t{");
for (size_t s = 0; s < 4; ++s) {
for (size_t b = 0; b < 256; ++b) {
if ((b % 2) == 0)
printf("\n\t\t");
printf("UINT64_C(0x%016" PRIX64 ")",
crc64_table[s][b]);
if (b != 255)
printf(",%s", (b+1) % 2 == 0 ? "" : " ");
}
if (s == 3)
printf("\n\t}\n};\n");
else
printf("\n\t}, {");
}
return;
}
int
main(void)
{
init_crc64_table();
print_crc64_table();
return 0;
}

30
Externals/liblzma/check/crc_macros.h vendored Normal file
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@ -0,0 +1,30 @@
///////////////////////////////////////////////////////////////////////////////
//
/// \file crc_macros.h
/// \brief Some endian-dependent macros for CRC32 and CRC64
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifdef WORDS_BIGENDIAN
# define A(x) ((x) >> 24)
# define B(x) (((x) >> 16) & 0xFF)
# define C(x) (((x) >> 8) & 0xFF)
# define D(x) ((x) & 0xFF)
# define S8(x) ((x) << 8)
# define S32(x) ((x) << 32)
#else
# define A(x) ((x) & 0xFF)
# define B(x) (((x) >> 8) & 0xFF)
# define C(x) (((x) >> 16) & 0xFF)
# define D(x) ((x) >> 24)
# define S8(x) ((x) >> 8)
# define S32(x) ((x) >> 32)
#endif

196
Externals/liblzma/check/sha256.c vendored Normal file
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///////////////////////////////////////////////////////////////////////////////
//
/// \file sha256.c
/// \brief SHA-256
///
/// \todo Crypto++ has x86 ASM optimizations. They use SSE so if they
/// are imported to liblzma, SSE instructions need to be used
/// conditionally to keep the code working on older boxes.
//
// This code is based on the code found from 7-Zip, which has a modified
// version of the SHA-256 found from Crypto++ <http://www.cryptopp.com/>.
// The code was modified a little to fit into liblzma.
//
// Authors: Kevin Springle
// Wei Dai
// Igor Pavlov
// Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "check.h"
// Rotate a uint32_t. GCC can optimize this to a rotate instruction
// at least on x86.
static inline uint32_t
rotr_32(uint32_t num, unsigned amount)
{
return (num >> amount) | (num << (32 - amount));
}
#define blk0(i) (W[i] = conv32be(data[i]))
#define blk2(i) (W[i & 15] += s1(W[(i - 2) & 15]) + W[(i - 7) & 15] \
+ s0(W[(i - 15) & 15]))
#define Ch(x, y, z) (z ^ (x & (y ^ z)))
#define Maj(x, y, z) ((x & (y ^ z)) + (y & z))
#define a(i) T[(0 - i) & 7]
#define b(i) T[(1 - i) & 7]
#define c(i) T[(2 - i) & 7]
#define d(i) T[(3 - i) & 7]
#define e(i) T[(4 - i) & 7]
#define f(i) T[(5 - i) & 7]
#define g(i) T[(6 - i) & 7]
#define h(i) T[(7 - i) & 7]
#define R(i, j, blk) \
h(i) += S1(e(i)) + Ch(e(i), f(i), g(i)) + SHA256_K[i + j] + blk; \
d(i) += h(i); \
h(i) += S0(a(i)) + Maj(a(i), b(i), c(i))
#define R0(i) R(i, 0, blk0(i))
#define R2(i) R(i, j, blk2(i))
#define S0(x) rotr_32(x ^ rotr_32(x ^ rotr_32(x, 9), 11), 2)
#define S1(x) rotr_32(x ^ rotr_32(x ^ rotr_32(x, 14), 5), 6)
#define s0(x) (rotr_32(x ^ rotr_32(x, 11), 7) ^ (x >> 3))
#define s1(x) (rotr_32(x ^ rotr_32(x, 2), 17) ^ (x >> 10))
static const uint32_t SHA256_K[64] = {
0x428A2F98, 0x71374491, 0xB5C0FBCF, 0xE9B5DBA5,
0x3956C25B, 0x59F111F1, 0x923F82A4, 0xAB1C5ED5,
0xD807AA98, 0x12835B01, 0x243185BE, 0x550C7DC3,
0x72BE5D74, 0x80DEB1FE, 0x9BDC06A7, 0xC19BF174,
0xE49B69C1, 0xEFBE4786, 0x0FC19DC6, 0x240CA1CC,
0x2DE92C6F, 0x4A7484AA, 0x5CB0A9DC, 0x76F988DA,
0x983E5152, 0xA831C66D, 0xB00327C8, 0xBF597FC7,
0xC6E00BF3, 0xD5A79147, 0x06CA6351, 0x14292967,
0x27B70A85, 0x2E1B2138, 0x4D2C6DFC, 0x53380D13,
0x650A7354, 0x766A0ABB, 0x81C2C92E, 0x92722C85,
0xA2BFE8A1, 0xA81A664B, 0xC24B8B70, 0xC76C51A3,
0xD192E819, 0xD6990624, 0xF40E3585, 0x106AA070,
0x19A4C116, 0x1E376C08, 0x2748774C, 0x34B0BCB5,
0x391C0CB3, 0x4ED8AA4A, 0x5B9CCA4F, 0x682E6FF3,
0x748F82EE, 0x78A5636F, 0x84C87814, 0x8CC70208,
0x90BEFFFA, 0xA4506CEB, 0xBEF9A3F7, 0xC67178F2,
};
static void
transform(uint32_t state[8], const uint32_t data[16])
{
uint32_t W[16];
uint32_t T[8];
// Copy state[] to working vars.
memcpy(T, state, sizeof(T));
// The first 16 operations unrolled
R0( 0); R0( 1); R0( 2); R0( 3);
R0( 4); R0( 5); R0( 6); R0( 7);
R0( 8); R0( 9); R0(10); R0(11);
R0(12); R0(13); R0(14); R0(15);
// The remaining 48 operations partially unrolled
for (unsigned int j = 16; j < 64; j += 16) {
R2( 0); R2( 1); R2( 2); R2( 3);
R2( 4); R2( 5); R2( 6); R2( 7);
R2( 8); R2( 9); R2(10); R2(11);
R2(12); R2(13); R2(14); R2(15);
}
// Add the working vars back into state[].
state[0] += a(0);
state[1] += b(0);
state[2] += c(0);
state[3] += d(0);
state[4] += e(0);
state[5] += f(0);
state[6] += g(0);
state[7] += h(0);
}
static void
process(lzma_check_state *check)
{
transform(check->state.sha256.state, check->buffer.u32);
return;
}
extern void
lzma_sha256_init(lzma_check_state *check)
{
static const uint32_t s[8] = {
0x6A09E667, 0xBB67AE85, 0x3C6EF372, 0xA54FF53A,
0x510E527F, 0x9B05688C, 0x1F83D9AB, 0x5BE0CD19,
};
memcpy(check->state.sha256.state, s, sizeof(s));
check->state.sha256.size = 0;
return;
}
extern void
lzma_sha256_update(const uint8_t *buf, size_t size, lzma_check_state *check)
{
// Copy the input data into a properly aligned temporary buffer.
// This way we can be called with arbitrarily sized buffers
// (no need to be multiple of 64 bytes), and the code works also
// on architectures that don't allow unaligned memory access.
while (size > 0) {
const size_t copy_start = check->state.sha256.size & 0x3F;
size_t copy_size = 64 - copy_start;
if (copy_size > size)
copy_size = size;
memcpy(check->buffer.u8 + copy_start, buf, copy_size);
buf += copy_size;
size -= copy_size;
check->state.sha256.size += copy_size;
if ((check->state.sha256.size & 0x3F) == 0)
process(check);
}
return;
}
extern void
lzma_sha256_finish(lzma_check_state *check)
{
// Add padding as described in RFC 3174 (it describes SHA-1 but
// the same padding style is used for SHA-256 too).
size_t pos = check->state.sha256.size & 0x3F;
check->buffer.u8[pos++] = 0x80;
while (pos != 64 - 8) {
if (pos == 64) {
process(check);
pos = 0;
}
check->buffer.u8[pos++] = 0x00;
}
// Convert the message size from bytes to bits.
check->state.sha256.size *= 8;
check->buffer.u64[(64 - 8) / 8] = conv64be(check->state.sha256.size);
process(check);
for (size_t i = 0; i < 8; ++i)
check->buffer.u32[i] = conv32be(check->state.sha256.state[i]);
return;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file alone_decoder.c
/// \brief Decoder for LZMA_Alone files
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "alone_decoder.h"
#include "lzma_decoder.h"
#include "lz_decoder.h"
typedef struct {
lzma_next_coder next;
enum {
SEQ_PROPERTIES,
SEQ_DICTIONARY_SIZE,
SEQ_UNCOMPRESSED_SIZE,
SEQ_CODER_INIT,
SEQ_CODE,
} sequence;
/// If true, reject files that are unlikely to be .lzma files.
/// If false, more non-.lzma files get accepted and will give
/// LZMA_DATA_ERROR either immediately or after a few output bytes.
bool picky;
/// Position in the header fields
size_t pos;
/// Uncompressed size decoded from the header
lzma_vli uncompressed_size;
/// Memory usage limit
uint64_t memlimit;
/// Amount of memory actually needed (only an estimate)
uint64_t memusage;
/// Options decoded from the header needed to initialize
/// the LZMA decoder
lzma_options_lzma options;
} lzma_alone_coder;
static lzma_ret
alone_decode(void *coder_ptr,
const lzma_allocator *allocator lzma_attribute((__unused__)),
const uint8_t *restrict in, size_t *restrict in_pos,
size_t in_size, uint8_t *restrict out,
size_t *restrict out_pos, size_t out_size,
lzma_action action)
{
lzma_alone_coder *coder = coder_ptr;
while (*out_pos < out_size
&& (coder->sequence == SEQ_CODE || *in_pos < in_size))
switch (coder->sequence) {
case SEQ_PROPERTIES:
if (lzma_lzma_lclppb_decode(&coder->options, in[*in_pos]))
return LZMA_FORMAT_ERROR;
coder->sequence = SEQ_DICTIONARY_SIZE;
++*in_pos;
break;
case SEQ_DICTIONARY_SIZE:
coder->options.dict_size
|= (size_t)(in[*in_pos]) << (coder->pos * 8);
if (++coder->pos == 4) {
if (coder->picky && coder->options.dict_size
!= UINT32_MAX) {
// A hack to ditch tons of false positives:
// We allow only dictionary sizes that are
// 2^n or 2^n + 2^(n-1). LZMA_Alone created
// only files with 2^n, but accepts any
// dictionary size.
uint32_t d = coder->options.dict_size - 1;
d |= d >> 2;
d |= d >> 3;
d |= d >> 4;
d |= d >> 8;
d |= d >> 16;
++d;
if (d != coder->options.dict_size)
return LZMA_FORMAT_ERROR;
}
coder->pos = 0;
coder->sequence = SEQ_UNCOMPRESSED_SIZE;
}
++*in_pos;
break;
case SEQ_UNCOMPRESSED_SIZE:
coder->uncompressed_size
|= (lzma_vli)(in[*in_pos]) << (coder->pos * 8);
++*in_pos;
if (++coder->pos < 8)
break;
// Another hack to ditch false positives: Assume that
// if the uncompressed size is known, it must be less
// than 256 GiB.
if (coder->picky
&& coder->uncompressed_size != LZMA_VLI_UNKNOWN
&& coder->uncompressed_size
>= (LZMA_VLI_C(1) << 38))
return LZMA_FORMAT_ERROR;
// Calculate the memory usage so that it is ready
// for SEQ_CODER_INIT.
coder->memusage = lzma_lzma_decoder_memusage(&coder->options)
+ LZMA_MEMUSAGE_BASE;
coder->pos = 0;
coder->sequence = SEQ_CODER_INIT;
// Fall through
case SEQ_CODER_INIT: {
if (coder->memusage > coder->memlimit)
return LZMA_MEMLIMIT_ERROR;
lzma_filter_info filters[2] = {
{
.init = &lzma_lzma_decoder_init,
.options = &coder->options,
}, {
.init = NULL,
}
};
const lzma_ret ret = lzma_next_filter_init(&coder->next,
allocator, filters);
if (ret != LZMA_OK)
return ret;
// Use a hack to set the uncompressed size.
lzma_lz_decoder_uncompressed(coder->next.coder,
coder->uncompressed_size);
coder->sequence = SEQ_CODE;
break;
}
case SEQ_CODE: {
return coder->next.code(coder->next.coder,
allocator, in, in_pos, in_size,
out, out_pos, out_size, action);
}
default:
return LZMA_PROG_ERROR;
}
return LZMA_OK;
}
static void
alone_decoder_end(void *coder_ptr, const lzma_allocator *allocator)
{
lzma_alone_coder *coder = coder_ptr;
lzma_next_end(&coder->next, allocator);
lzma_free(coder, allocator);
return;
}
static lzma_ret
alone_decoder_memconfig(void *coder_ptr, uint64_t *memusage,
uint64_t *old_memlimit, uint64_t new_memlimit)
{
lzma_alone_coder *coder = coder_ptr;
*memusage = coder->memusage;
*old_memlimit = coder->memlimit;
if (new_memlimit != 0) {
if (new_memlimit < coder->memusage)
return LZMA_MEMLIMIT_ERROR;
coder->memlimit = new_memlimit;
}
return LZMA_OK;
}
extern lzma_ret
lzma_alone_decoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
uint64_t memlimit, bool picky)
{
lzma_next_coder_init(&lzma_alone_decoder_init, next, allocator);
lzma_alone_coder *coder = next->coder;
if (coder == NULL) {
coder = lzma_alloc(sizeof(lzma_alone_coder), allocator);
if (coder == NULL)
return LZMA_MEM_ERROR;
next->coder = coder;
next->code = &alone_decode;
next->end = &alone_decoder_end;
next->memconfig = &alone_decoder_memconfig;
coder->next = LZMA_NEXT_CODER_INIT;
}
coder->sequence = SEQ_PROPERTIES;
coder->picky = picky;
coder->pos = 0;
coder->options.dict_size = 0;
coder->options.preset_dict = NULL;
coder->options.preset_dict_size = 0;
coder->uncompressed_size = 0;
coder->memlimit = my_max(1, memlimit);
coder->memusage = LZMA_MEMUSAGE_BASE;
return LZMA_OK;
}
extern LZMA_API(lzma_ret)
lzma_alone_decoder(lzma_stream *strm, uint64_t memlimit)
{
lzma_next_strm_init(lzma_alone_decoder_init, strm, memlimit, false);
strm->internal->supported_actions[LZMA_RUN] = true;
strm->internal->supported_actions[LZMA_FINISH] = true;
return LZMA_OK;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file alone_decoder.h
/// \brief Decoder for LZMA_Alone files
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef LZMA_ALONE_DECODER_H
#define LZMA_ALONE_DECODER_H
#include "common.h"
extern lzma_ret lzma_alone_decoder_init(
lzma_next_coder *next, const lzma_allocator *allocator,
uint64_t memlimit, bool picky);
#endif

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///////////////////////////////////////////////////////////////////////////////
//
/// \file alone_decoder.c
/// \brief Decoder for LZMA_Alone files
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "common.h"
#include "lzma_encoder.h"
#define ALONE_HEADER_SIZE (1 + 4 + 8)
typedef struct {
lzma_next_coder next;
enum {
SEQ_HEADER,
SEQ_CODE,
} sequence;
size_t header_pos;
uint8_t header[ALONE_HEADER_SIZE];
} lzma_alone_coder;
static lzma_ret
alone_encode(void *coder_ptr,
const lzma_allocator *allocator lzma_attribute((__unused__)),
const uint8_t *restrict in, size_t *restrict in_pos,
size_t in_size, uint8_t *restrict out,
size_t *restrict out_pos, size_t out_size,
lzma_action action)
{
lzma_alone_coder *coder = coder_ptr;
while (*out_pos < out_size)
switch (coder->sequence) {
case SEQ_HEADER:
lzma_bufcpy(coder->header, &coder->header_pos,
ALONE_HEADER_SIZE,
out, out_pos, out_size);
if (coder->header_pos < ALONE_HEADER_SIZE)
return LZMA_OK;
coder->sequence = SEQ_CODE;
break;
case SEQ_CODE:
return coder->next.code(coder->next.coder,
allocator, in, in_pos, in_size,
out, out_pos, out_size, action);
default:
assert(0);
return LZMA_PROG_ERROR;
}
return LZMA_OK;
}
static void
alone_encoder_end(void *coder_ptr, const lzma_allocator *allocator)
{
lzma_alone_coder *coder = coder_ptr;
lzma_next_end(&coder->next, allocator);
lzma_free(coder, allocator);
return;
}
// At least for now, this is not used by any internal function.
static lzma_ret
alone_encoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
const lzma_options_lzma *options)
{
lzma_next_coder_init(&alone_encoder_init, next, allocator);
lzma_alone_coder *coder = next->coder;
if (coder == NULL) {
coder = lzma_alloc(sizeof(lzma_alone_coder), allocator);
if (coder == NULL)
return LZMA_MEM_ERROR;
next->coder = coder;
next->code = &alone_encode;
next->end = &alone_encoder_end;
coder->next = LZMA_NEXT_CODER_INIT;
}
// Basic initializations
coder->sequence = SEQ_HEADER;
coder->header_pos = 0;
// Encode the header:
// - Properties (1 byte)
if (lzma_lzma_lclppb_encode(options, coder->header))
return LZMA_OPTIONS_ERROR;
// - Dictionary size (4 bytes)
if (options->dict_size < LZMA_DICT_SIZE_MIN)
return LZMA_OPTIONS_ERROR;
// Round up to the next 2^n or 2^n + 2^(n - 1) depending on which
// one is the next unless it is UINT32_MAX. While the header would
// allow any 32-bit integer, we do this to keep the decoder of liblzma
// accepting the resulting files.
uint32_t d = options->dict_size - 1;
d |= d >> 2;
d |= d >> 3;
d |= d >> 4;
d |= d >> 8;
d |= d >> 16;
if (d != UINT32_MAX)
++d;
unaligned_write32le(coder->header + 1, d);
// - Uncompressed size (always unknown and using EOPM)
memset(coder->header + 1 + 4, 0xFF, 8);
// Initialize the LZMA encoder.
const lzma_filter_info filters[2] = {
{
.init = &lzma_lzma_encoder_init,
.options = (void *)(options),
}, {
.init = NULL,
}
};
return lzma_next_filter_init(&coder->next, allocator, filters);
}
/*
extern lzma_ret
lzma_alone_encoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
const lzma_options_alone *options)
{
lzma_next_coder_init(&alone_encoder_init, next, allocator, options);
}
*/
extern LZMA_API(lzma_ret)
lzma_alone_encoder(lzma_stream *strm, const lzma_options_lzma *options)
{
lzma_next_strm_init(alone_encoder_init, strm, options);
strm->internal->supported_actions[LZMA_RUN] = true;
strm->internal->supported_actions[LZMA_FINISH] = true;
return LZMA_OK;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file auto_decoder.c
/// \brief Autodetect between .xz Stream and .lzma (LZMA_Alone) formats
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "stream_decoder.h"
#include "alone_decoder.h"
typedef struct {
/// Stream decoder or LZMA_Alone decoder
lzma_next_coder next;
uint64_t memlimit;
uint32_t flags;
enum {
SEQ_INIT,
SEQ_CODE,
SEQ_FINISH,
} sequence;
} lzma_auto_coder;
static lzma_ret
auto_decode(void *coder_ptr, const lzma_allocator *allocator,
const uint8_t *restrict in, size_t *restrict in_pos,
size_t in_size, uint8_t *restrict out,
size_t *restrict out_pos, size_t out_size, lzma_action action)
{
lzma_auto_coder *coder = coder_ptr;
switch (coder->sequence) {
case SEQ_INIT:
if (*in_pos >= in_size)
return LZMA_OK;
// Update the sequence now, because we want to continue from
// SEQ_CODE even if we return some LZMA_*_CHECK.
coder->sequence = SEQ_CODE;
// Detect the file format. For now this is simple, since if
// it doesn't start with 0xFD (the first magic byte of the
// new format), it has to be LZMA_Alone, or something that
// we don't support at all.
if (in[*in_pos] == 0xFD) {
return_if_error(lzma_stream_decoder_init(
&coder->next, allocator,
coder->memlimit, coder->flags));
} else {
return_if_error(lzma_alone_decoder_init(&coder->next,
allocator, coder->memlimit, true));
// If the application wants to know about missing
// integrity check or about the check in general, we
// need to handle it here, because LZMA_Alone decoder
// doesn't accept any flags.
if (coder->flags & LZMA_TELL_NO_CHECK)
return LZMA_NO_CHECK;
if (coder->flags & LZMA_TELL_ANY_CHECK)
return LZMA_GET_CHECK;
}
// Fall through
case SEQ_CODE: {
const lzma_ret ret = coder->next.code(
coder->next.coder, allocator,
in, in_pos, in_size,
out, out_pos, out_size, action);
if (ret != LZMA_STREAM_END
|| (coder->flags & LZMA_CONCATENATED) == 0)
return ret;
coder->sequence = SEQ_FINISH;
}
// Fall through
case SEQ_FINISH:
// When LZMA_DECODE_CONCATENATED was used and we were decoding
// LZMA_Alone file, we need to check check that there is no
// trailing garbage and wait for LZMA_FINISH.
if (*in_pos < in_size)
return LZMA_DATA_ERROR;
return action == LZMA_FINISH ? LZMA_STREAM_END : LZMA_OK;
default:
assert(0);
return LZMA_PROG_ERROR;
}
}
static void
auto_decoder_end(void *coder_ptr, const lzma_allocator *allocator)
{
lzma_auto_coder *coder = coder_ptr;
lzma_next_end(&coder->next, allocator);
lzma_free(coder, allocator);
return;
}
static lzma_check
auto_decoder_get_check(const void *coder_ptr)
{
const lzma_auto_coder *coder = coder_ptr;
// It is LZMA_Alone if get_check is NULL.
return coder->next.get_check == NULL ? LZMA_CHECK_NONE
: coder->next.get_check(coder->next.coder);
}
static lzma_ret
auto_decoder_memconfig(void *coder_ptr, uint64_t *memusage,
uint64_t *old_memlimit, uint64_t new_memlimit)
{
lzma_auto_coder *coder = coder_ptr;
lzma_ret ret;
if (coder->next.memconfig != NULL) {
ret = coder->next.memconfig(coder->next.coder,
memusage, old_memlimit, new_memlimit);
assert(*old_memlimit == coder->memlimit);
} else {
// No coder is configured yet. Use the base value as
// the current memory usage.
*memusage = LZMA_MEMUSAGE_BASE;
*old_memlimit = coder->memlimit;
ret = LZMA_OK;
if (new_memlimit != 0 && new_memlimit < *memusage)
ret = LZMA_MEMLIMIT_ERROR;
}
if (ret == LZMA_OK && new_memlimit != 0)
coder->memlimit = new_memlimit;
return ret;
}
static lzma_ret
auto_decoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
uint64_t memlimit, uint32_t flags)
{
lzma_next_coder_init(&auto_decoder_init, next, allocator);
if (flags & ~LZMA_SUPPORTED_FLAGS)
return LZMA_OPTIONS_ERROR;
lzma_auto_coder *coder = next->coder;
if (coder == NULL) {
coder = lzma_alloc(sizeof(lzma_auto_coder), allocator);
if (coder == NULL)
return LZMA_MEM_ERROR;
next->coder = coder;
next->code = &auto_decode;
next->end = &auto_decoder_end;
next->get_check = &auto_decoder_get_check;
next->memconfig = &auto_decoder_memconfig;
coder->next = LZMA_NEXT_CODER_INIT;
}
coder->memlimit = my_max(1, memlimit);
coder->flags = flags;
coder->sequence = SEQ_INIT;
return LZMA_OK;
}
extern LZMA_API(lzma_ret)
lzma_auto_decoder(lzma_stream *strm, uint64_t memlimit, uint32_t flags)
{
lzma_next_strm_init(auto_decoder_init, strm, memlimit, flags);
strm->internal->supported_actions[LZMA_RUN] = true;
strm->internal->supported_actions[LZMA_FINISH] = true;
return LZMA_OK;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file block_buffer_decoder.c
/// \brief Single-call .xz Block decoder
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "block_decoder.h"
extern LZMA_API(lzma_ret)
lzma_block_buffer_decode(lzma_block *block, const lzma_allocator *allocator,
const uint8_t *in, size_t *in_pos, size_t in_size,
uint8_t *out, size_t *out_pos, size_t out_size)
{
if (in_pos == NULL || (in == NULL && *in_pos != in_size)
|| *in_pos > in_size || out_pos == NULL
|| (out == NULL && *out_pos != out_size)
|| *out_pos > out_size)
return LZMA_PROG_ERROR;
// Initialize the Block decoder.
lzma_next_coder block_decoder = LZMA_NEXT_CODER_INIT;
lzma_ret ret = lzma_block_decoder_init(
&block_decoder, allocator, block);
if (ret == LZMA_OK) {
// Save the positions so that we can restore them in case
// an error occurs.
const size_t in_start = *in_pos;
const size_t out_start = *out_pos;
// Do the actual decoding.
ret = block_decoder.code(block_decoder.coder, allocator,
in, in_pos, in_size, out, out_pos, out_size,
LZMA_FINISH);
if (ret == LZMA_STREAM_END) {
ret = LZMA_OK;
} else {
if (ret == LZMA_OK) {
// Either the input was truncated or the
// output buffer was too small.
assert(*in_pos == in_size
|| *out_pos == out_size);
// If all the input was consumed, then the
// input is truncated, even if the output
// buffer is also full. This is because
// processing the last byte of the Block
// never produces output.
//
// NOTE: This assumption may break when new
// filters are added, if the end marker of
// the filter doesn't consume at least one
// complete byte.
if (*in_pos == in_size)
ret = LZMA_DATA_ERROR;
else
ret = LZMA_BUF_ERROR;
}
// Restore the positions.
*in_pos = in_start;
*out_pos = out_start;
}
}
// Free the decoder memory. This needs to be done even if
// initialization fails, because the internal API doesn't
// require the initialization function to free its memory on error.
lzma_next_end(&block_decoder, allocator);
return ret;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file block_buffer_encoder.c
/// \brief Single-call .xz Block encoder
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "block_buffer_encoder.h"
#include "block_encoder.h"
#include "filter_encoder.h"
#include "lzma2_encoder.h"
#include "check.h"
/// Estimate the maximum size of the Block Header and Check fields for
/// a Block that uses LZMA2 uncompressed chunks. We could use
/// lzma_block_header_size() but this is simpler.
///
/// Block Header Size + Block Flags + Compressed Size
/// + Uncompressed Size + Filter Flags for LZMA2 + CRC32 + Check
/// and round up to the next multiple of four to take Header Padding
/// into account.
#define HEADERS_BOUND ((1 + 1 + 2 * LZMA_VLI_BYTES_MAX + 3 + 4 \
+ LZMA_CHECK_SIZE_MAX + 3) & ~3)
static uint64_t
lzma2_bound(uint64_t uncompressed_size)
{
// Prevent integer overflow in overhead calculation.
if (uncompressed_size > COMPRESSED_SIZE_MAX)
return 0;
// Calculate the exact overhead of the LZMA2 headers: Round
// uncompressed_size up to the next multiple of LZMA2_CHUNK_MAX,
// multiply by the size of per-chunk header, and add one byte for
// the end marker.
const uint64_t overhead = ((uncompressed_size + LZMA2_CHUNK_MAX - 1)
/ LZMA2_CHUNK_MAX)
* LZMA2_HEADER_UNCOMPRESSED + 1;
// Catch the possible integer overflow.
if (COMPRESSED_SIZE_MAX - overhead < uncompressed_size)
return 0;
return uncompressed_size + overhead;
}
extern uint64_t
lzma_block_buffer_bound64(uint64_t uncompressed_size)
{
// If the data doesn't compress, we always use uncompressed
// LZMA2 chunks.
uint64_t lzma2_size = lzma2_bound(uncompressed_size);
if (lzma2_size == 0)
return 0;
// Take Block Padding into account.
lzma2_size = (lzma2_size + 3) & ~UINT64_C(3);
// No risk of integer overflow because lzma2_bound() already takes
// into account the size of the headers in the Block.
return HEADERS_BOUND + lzma2_size;
}
extern LZMA_API(size_t)
lzma_block_buffer_bound(size_t uncompressed_size)
{
uint64_t ret = lzma_block_buffer_bound64(uncompressed_size);
#if SIZE_MAX < UINT64_MAX
// Catch the possible integer overflow on 32-bit systems.
if (ret > SIZE_MAX)
return 0;
#endif
return ret;
}
static lzma_ret
block_encode_uncompressed(lzma_block *block, const uint8_t *in, size_t in_size,
uint8_t *out, size_t *out_pos, size_t out_size)
{
// Use LZMA2 uncompressed chunks. We wouldn't need a dictionary at
// all, but LZMA2 always requires a dictionary, so use the minimum
// value to minimize memory usage of the decoder.
lzma_options_lzma lzma2 = {
.dict_size = LZMA_DICT_SIZE_MIN,
};
lzma_filter filters[2];
filters[0].id = LZMA_FILTER_LZMA2;
filters[0].options = &lzma2;
filters[1].id = LZMA_VLI_UNKNOWN;
// Set the above filter options to *block temporarily so that we can
// encode the Block Header.
lzma_filter *filters_orig = block->filters;
block->filters = filters;
if (lzma_block_header_size(block) != LZMA_OK) {
block->filters = filters_orig;
return LZMA_PROG_ERROR;
}
// Check that there's enough output space. The caller has already
// set block->compressed_size to what lzma2_bound() has returned,
// so we can reuse that value. We know that compressed_size is a
// known valid VLI and header_size is a small value so their sum
// will never overflow.
assert(block->compressed_size == lzma2_bound(in_size));
if (out_size - *out_pos
< block->header_size + block->compressed_size) {
block->filters = filters_orig;
return LZMA_BUF_ERROR;
}
if (lzma_block_header_encode(block, out + *out_pos) != LZMA_OK) {
block->filters = filters_orig;
return LZMA_PROG_ERROR;
}
block->filters = filters_orig;
*out_pos += block->header_size;
// Encode the data using LZMA2 uncompressed chunks.
size_t in_pos = 0;
uint8_t control = 0x01; // Dictionary reset
while (in_pos < in_size) {
// Control byte: Indicate uncompressed chunk, of which
// the first resets the dictionary.
out[(*out_pos)++] = control;
control = 0x02; // No dictionary reset
// Size of the uncompressed chunk
const size_t copy_size
= my_min(in_size - in_pos, LZMA2_CHUNK_MAX);
out[(*out_pos)++] = (copy_size - 1) >> 8;
out[(*out_pos)++] = (copy_size - 1) & 0xFF;
// The actual data
assert(*out_pos + copy_size <= out_size);
memcpy(out + *out_pos, in + in_pos, copy_size);
in_pos += copy_size;
*out_pos += copy_size;
}
// End marker
out[(*out_pos)++] = 0x00;
assert(*out_pos <= out_size);
return LZMA_OK;
}
static lzma_ret
block_encode_normal(lzma_block *block, const lzma_allocator *allocator,
const uint8_t *in, size_t in_size,
uint8_t *out, size_t *out_pos, size_t out_size)
{
// Find out the size of the Block Header.
return_if_error(lzma_block_header_size(block));
// Reserve space for the Block Header and skip it for now.
if (out_size - *out_pos <= block->header_size)
return LZMA_BUF_ERROR;
const size_t out_start = *out_pos;
*out_pos += block->header_size;
// Limit out_size so that we stop encoding if the output would grow
// bigger than what uncompressed Block would be.
if (out_size - *out_pos > block->compressed_size)
out_size = *out_pos + block->compressed_size;
// TODO: In many common cases this could be optimized to use
// significantly less memory.
lzma_next_coder raw_encoder = LZMA_NEXT_CODER_INIT;
lzma_ret ret = lzma_raw_encoder_init(
&raw_encoder, allocator, block->filters);
if (ret == LZMA_OK) {
size_t in_pos = 0;
ret = raw_encoder.code(raw_encoder.coder, allocator,
in, &in_pos, in_size, out, out_pos, out_size,
LZMA_FINISH);
}
// NOTE: This needs to be run even if lzma_raw_encoder_init() failed.
lzma_next_end(&raw_encoder, allocator);
if (ret == LZMA_STREAM_END) {
// Compression was successful. Write the Block Header.
block->compressed_size
= *out_pos - (out_start + block->header_size);
ret = lzma_block_header_encode(block, out + out_start);
if (ret != LZMA_OK)
ret = LZMA_PROG_ERROR;
} else if (ret == LZMA_OK) {
// Output buffer became full.
ret = LZMA_BUF_ERROR;
}
// Reset *out_pos if something went wrong.
if (ret != LZMA_OK)
*out_pos = out_start;
return ret;
}
static lzma_ret
block_buffer_encode(lzma_block *block, const lzma_allocator *allocator,
const uint8_t *in, size_t in_size,
uint8_t *out, size_t *out_pos, size_t out_size,
bool try_to_compress)
{
// Validate the arguments.
if (block == NULL || (in == NULL && in_size != 0) || out == NULL
|| out_pos == NULL || *out_pos > out_size)
return LZMA_PROG_ERROR;
// The contents of the structure may depend on the version so
// check the version before validating the contents of *block.
if (block->version > 1)
return LZMA_OPTIONS_ERROR;
if ((unsigned int)(block->check) > LZMA_CHECK_ID_MAX
|| (try_to_compress && block->filters == NULL))
return LZMA_PROG_ERROR;
if (!lzma_check_is_supported(block->check))
return LZMA_UNSUPPORTED_CHECK;
// Size of a Block has to be a multiple of four, so limit the size
// here already. This way we don't need to check it again when adding
// Block Padding.
out_size -= (out_size - *out_pos) & 3;
// Get the size of the Check field.
const size_t check_size = lzma_check_size(block->check);
assert(check_size != UINT32_MAX);
// Reserve space for the Check field.
if (out_size - *out_pos <= check_size)
return LZMA_BUF_ERROR;
out_size -= check_size;
// Initialize block->uncompressed_size and calculate the worst-case
// value for block->compressed_size.
block->uncompressed_size = in_size;
block->compressed_size = lzma2_bound(in_size);
if (block->compressed_size == 0)
return LZMA_DATA_ERROR;
// Do the actual compression.
lzma_ret ret = LZMA_BUF_ERROR;
if (try_to_compress)
ret = block_encode_normal(block, allocator,
in, in_size, out, out_pos, out_size);
if (ret != LZMA_OK) {
// If the error was something else than output buffer
// becoming full, return the error now.
if (ret != LZMA_BUF_ERROR)
return ret;
// The data was uncompressible (at least with the options
// given to us) or the output buffer was too small. Use the
// uncompressed chunks of LZMA2 to wrap the data into a valid
// Block. If we haven't been given enough output space, even
// this may fail.
return_if_error(block_encode_uncompressed(block, in, in_size,
out, out_pos, out_size));
}
assert(*out_pos <= out_size);
// Block Padding. No buffer overflow here, because we already adjusted
// out_size so that (out_size - out_start) is a multiple of four.
// Thus, if the buffer is full, the loop body can never run.
for (size_t i = (size_t)(block->compressed_size); i & 3; ++i) {
assert(*out_pos < out_size);
out[(*out_pos)++] = 0x00;
}
// If there's no Check field, we are done now.
if (check_size > 0) {
// Calculate the integrity check. We reserved space for
// the Check field earlier so we don't need to check for
// available output space here.
lzma_check_state check;
lzma_check_init(&check, block->check);
lzma_check_update(&check, block->check, in, in_size);
lzma_check_finish(&check, block->check);
memcpy(block->raw_check, check.buffer.u8, check_size);
memcpy(out + *out_pos, check.buffer.u8, check_size);
*out_pos += check_size;
}
return LZMA_OK;
}
extern LZMA_API(lzma_ret)
lzma_block_buffer_encode(lzma_block *block, const lzma_allocator *allocator,
const uint8_t *in, size_t in_size,
uint8_t *out, size_t *out_pos, size_t out_size)
{
return block_buffer_encode(block, allocator,
in, in_size, out, out_pos, out_size, true);
}
extern LZMA_API(lzma_ret)
lzma_block_uncomp_encode(lzma_block *block,
const uint8_t *in, size_t in_size,
uint8_t *out, size_t *out_pos, size_t out_size)
{
// It won't allocate any memory from heap so no need
// for lzma_allocator.
return block_buffer_encode(block, NULL,
in, in_size, out, out_pos, out_size, false);
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file block_buffer_encoder.h
/// \brief Single-call .xz Block encoder
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef LZMA_BLOCK_BUFFER_ENCODER_H
#define LZMA_BLOCK_BUFFER_ENCODER_H
#include "common.h"
/// uint64_t version of lzma_block_buffer_bound(). It is used by
/// stream_encoder_mt.c. Probably the original lzma_block_buffer_bound()
/// should have been 64-bit, but fixing it would break the ABI.
extern uint64_t lzma_block_buffer_bound64(uint64_t uncompressed_size);
#endif

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///////////////////////////////////////////////////////////////////////////////
//
/// \file block_decoder.c
/// \brief Decodes .xz Blocks
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "block_decoder.h"
#include "filter_decoder.h"
#include "check.h"
typedef struct {
enum {
SEQ_CODE,
SEQ_PADDING,
SEQ_CHECK,
} sequence;
/// The filters in the chain; initialized with lzma_raw_decoder_init().
lzma_next_coder next;
/// Decoding options; we also write Compressed Size and Uncompressed
/// Size back to this structure when the decoding has been finished.
lzma_block *block;
/// Compressed Size calculated while decoding
lzma_vli compressed_size;
/// Uncompressed Size calculated while decoding
lzma_vli uncompressed_size;
/// Maximum allowed Compressed Size; this takes into account the
/// size of the Block Header and Check fields when Compressed Size
/// is unknown.
lzma_vli compressed_limit;
/// Position when reading the Check field
size_t check_pos;
/// Check of the uncompressed data
lzma_check_state check;
/// True if the integrity check won't be calculated and verified.
bool ignore_check;
} lzma_block_coder;
static inline bool
update_size(lzma_vli *size, lzma_vli add, lzma_vli limit)
{
if (limit > LZMA_VLI_MAX)
limit = LZMA_VLI_MAX;
if (limit < *size || limit - *size < add)
return true;
*size += add;
return false;
}
static inline bool
is_size_valid(lzma_vli size, lzma_vli reference)
{
return reference == LZMA_VLI_UNKNOWN || reference == size;
}
static lzma_ret
block_decode(void *coder_ptr, const lzma_allocator *allocator,
const uint8_t *restrict in, size_t *restrict in_pos,
size_t in_size, uint8_t *restrict out,
size_t *restrict out_pos, size_t out_size, lzma_action action)
{
lzma_block_coder *coder = coder_ptr;
switch (coder->sequence) {
case SEQ_CODE: {
const size_t in_start = *in_pos;
const size_t out_start = *out_pos;
const lzma_ret ret = coder->next.code(coder->next.coder,
allocator, in, in_pos, in_size,
out, out_pos, out_size, action);
const size_t in_used = *in_pos - in_start;
const size_t out_used = *out_pos - out_start;
// NOTE: We compare to compressed_limit here, which prevents
// the total size of the Block growing past LZMA_VLI_MAX.
if (update_size(&coder->compressed_size, in_used,
coder->compressed_limit)
|| update_size(&coder->uncompressed_size,
out_used,
coder->block->uncompressed_size))
return LZMA_DATA_ERROR;
if (!coder->ignore_check)
lzma_check_update(&coder->check, coder->block->check,
out + out_start, out_used);
if (ret != LZMA_STREAM_END)
return ret;
// Compressed and Uncompressed Sizes are now at their final
// values. Verify that they match the values given to us.
if (!is_size_valid(coder->compressed_size,
coder->block->compressed_size)
|| !is_size_valid(coder->uncompressed_size,
coder->block->uncompressed_size))
return LZMA_DATA_ERROR;
// Copy the values into coder->block. The caller
// may use this information to construct Index.
coder->block->compressed_size = coder->compressed_size;
coder->block->uncompressed_size = coder->uncompressed_size;
coder->sequence = SEQ_PADDING;
}
// Fall through
case SEQ_PADDING:
// Compressed Data is padded to a multiple of four bytes.
while (coder->compressed_size & 3) {
if (*in_pos >= in_size)
return LZMA_OK;
// We use compressed_size here just get the Padding
// right. The actual Compressed Size was stored to
// coder->block already, and won't be modified by
// us anymore.
++coder->compressed_size;
if (in[(*in_pos)++] != 0x00)
return LZMA_DATA_ERROR;
}
if (coder->block->check == LZMA_CHECK_NONE)
return LZMA_STREAM_END;
if (!coder->ignore_check)
lzma_check_finish(&coder->check, coder->block->check);
coder->sequence = SEQ_CHECK;
// Fall through
case SEQ_CHECK: {
const size_t check_size = lzma_check_size(coder->block->check);
lzma_bufcpy(in, in_pos, in_size, coder->block->raw_check,
&coder->check_pos, check_size);
if (coder->check_pos < check_size)
return LZMA_OK;
// Validate the Check only if we support it.
// coder->check.buffer may be uninitialized
// when the Check ID is not supported.
if (!coder->ignore_check
&& lzma_check_is_supported(coder->block->check)
&& memcmp(coder->block->raw_check,
coder->check.buffer.u8,
check_size) != 0)
return LZMA_DATA_ERROR;
return LZMA_STREAM_END;
}
}
return LZMA_PROG_ERROR;
}
static void
block_decoder_end(void *coder_ptr, const lzma_allocator *allocator)
{
lzma_block_coder *coder = coder_ptr;
lzma_next_end(&coder->next, allocator);
lzma_free(coder, allocator);
return;
}
extern lzma_ret
lzma_block_decoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
lzma_block *block)
{
lzma_next_coder_init(&lzma_block_decoder_init, next, allocator);
// Validate the options. lzma_block_unpadded_size() does that for us
// except for Uncompressed Size and filters. Filters are validated
// by the raw decoder.
if (lzma_block_unpadded_size(block) == 0
|| !lzma_vli_is_valid(block->uncompressed_size))
return LZMA_PROG_ERROR;
// Allocate *next->coder if needed.
lzma_block_coder *coder = next->coder;
if (coder == NULL) {
coder = lzma_alloc(sizeof(lzma_block_coder), allocator);
if (coder == NULL)
return LZMA_MEM_ERROR;
next->coder = coder;
next->code = &block_decode;
next->end = &block_decoder_end;
coder->next = LZMA_NEXT_CODER_INIT;
}
// Basic initializations
coder->sequence = SEQ_CODE;
coder->block = block;
coder->compressed_size = 0;
coder->uncompressed_size = 0;
// If Compressed Size is not known, we calculate the maximum allowed
// value so that encoded size of the Block (including Block Padding)
// is still a valid VLI and a multiple of four.
coder->compressed_limit
= block->compressed_size == LZMA_VLI_UNKNOWN
? (LZMA_VLI_MAX & ~LZMA_VLI_C(3))
- block->header_size
- lzma_check_size(block->check)
: block->compressed_size;
// Initialize the check. It's caller's problem if the Check ID is not
// supported, and the Block decoder cannot verify the Check field.
// Caller can test lzma_check_is_supported(block->check).
coder->check_pos = 0;
lzma_check_init(&coder->check, block->check);
coder->ignore_check = block->version >= 1
? block->ignore_check : false;
// Initialize the filter chain.
return lzma_raw_decoder_init(&coder->next, allocator,
block->filters);
}
extern LZMA_API(lzma_ret)
lzma_block_decoder(lzma_stream *strm, lzma_block *block)
{
lzma_next_strm_init(lzma_block_decoder_init, strm, block);
strm->internal->supported_actions[LZMA_RUN] = true;
strm->internal->supported_actions[LZMA_FINISH] = true;
return LZMA_OK;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file block_decoder.h
/// \brief Decodes .xz Blocks
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef LZMA_BLOCK_DECODER_H
#define LZMA_BLOCK_DECODER_H
#include "common.h"
extern lzma_ret lzma_block_decoder_init(lzma_next_coder *next,
const lzma_allocator *allocator, lzma_block *block);
#endif

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///////////////////////////////////////////////////////////////////////////////
//
/// \file block_encoder.c
/// \brief Encodes .xz Blocks
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "block_encoder.h"
#include "filter_encoder.h"
#include "check.h"
typedef struct {
/// The filters in the chain; initialized with lzma_raw_decoder_init().
lzma_next_coder next;
/// Encoding options; we also write Unpadded Size, Compressed Size,
/// and Uncompressed Size back to this structure when the encoding
/// has been finished.
lzma_block *block;
enum {
SEQ_CODE,
SEQ_PADDING,
SEQ_CHECK,
} sequence;
/// Compressed Size calculated while encoding
lzma_vli compressed_size;
/// Uncompressed Size calculated while encoding
lzma_vli uncompressed_size;
/// Position in the Check field
size_t pos;
/// Check of the uncompressed data
lzma_check_state check;
} lzma_block_coder;
static lzma_ret
block_encode(void *coder_ptr, const lzma_allocator *allocator,
const uint8_t *restrict in, size_t *restrict in_pos,
size_t in_size, uint8_t *restrict out,
size_t *restrict out_pos, size_t out_size, lzma_action action)
{
lzma_block_coder *coder = coder_ptr;
// Check that our amount of input stays in proper limits.
if (LZMA_VLI_MAX - coder->uncompressed_size < in_size - *in_pos)
return LZMA_DATA_ERROR;
switch (coder->sequence) {
case SEQ_CODE: {
const size_t in_start = *in_pos;
const size_t out_start = *out_pos;
const lzma_ret ret = coder->next.code(coder->next.coder,
allocator, in, in_pos, in_size,
out, out_pos, out_size, action);
const size_t in_used = *in_pos - in_start;
const size_t out_used = *out_pos - out_start;
if (COMPRESSED_SIZE_MAX - coder->compressed_size < out_used)
return LZMA_DATA_ERROR;
coder->compressed_size += out_used;
// No need to check for overflow because we have already
// checked it at the beginning of this function.
coder->uncompressed_size += in_used;
lzma_check_update(&coder->check, coder->block->check,
in + in_start, in_used);
if (ret != LZMA_STREAM_END || action == LZMA_SYNC_FLUSH)
return ret;
assert(*in_pos == in_size);
assert(action == LZMA_FINISH);
// Copy the values into coder->block. The caller
// may use this information to construct Index.
coder->block->compressed_size = coder->compressed_size;
coder->block->uncompressed_size = coder->uncompressed_size;
coder->sequence = SEQ_PADDING;
}
// Fall through
case SEQ_PADDING:
// Pad Compressed Data to a multiple of four bytes. We can
// use coder->compressed_size for this since we don't need
// it for anything else anymore.
while (coder->compressed_size & 3) {
if (*out_pos >= out_size)
return LZMA_OK;
out[*out_pos] = 0x00;
++*out_pos;
++coder->compressed_size;
}
if (coder->block->check == LZMA_CHECK_NONE)
return LZMA_STREAM_END;
lzma_check_finish(&coder->check, coder->block->check);
coder->sequence = SEQ_CHECK;
// Fall through
case SEQ_CHECK: {
const size_t check_size = lzma_check_size(coder->block->check);
lzma_bufcpy(coder->check.buffer.u8, &coder->pos, check_size,
out, out_pos, out_size);
if (coder->pos < check_size)
return LZMA_OK;
memcpy(coder->block->raw_check, coder->check.buffer.u8,
check_size);
return LZMA_STREAM_END;
}
}
return LZMA_PROG_ERROR;
}
static void
block_encoder_end(void *coder_ptr, const lzma_allocator *allocator)
{
lzma_block_coder *coder = coder_ptr;
lzma_next_end(&coder->next, allocator);
lzma_free(coder, allocator);
return;
}
static lzma_ret
block_encoder_update(void *coder_ptr, const lzma_allocator *allocator,
const lzma_filter *filters lzma_attribute((__unused__)),
const lzma_filter *reversed_filters)
{
lzma_block_coder *coder = coder_ptr;
if (coder->sequence != SEQ_CODE)
return LZMA_PROG_ERROR;
return lzma_next_filter_update(
&coder->next, allocator, reversed_filters);
}
extern lzma_ret
lzma_block_encoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
lzma_block *block)
{
lzma_next_coder_init(&lzma_block_encoder_init, next, allocator);
if (block == NULL)
return LZMA_PROG_ERROR;
// The contents of the structure may depend on the version so
// check the version first.
if (block->version > 1)
return LZMA_OPTIONS_ERROR;
// If the Check ID is not supported, we cannot calculate the check and
// thus not create a proper Block.
if ((unsigned int)(block->check) > LZMA_CHECK_ID_MAX)
return LZMA_PROG_ERROR;
if (!lzma_check_is_supported(block->check))
return LZMA_UNSUPPORTED_CHECK;
// Allocate and initialize *next->coder if needed.
lzma_block_coder *coder = next->coder;
if (coder == NULL) {
coder = lzma_alloc(sizeof(lzma_block_coder), allocator);
if (coder == NULL)
return LZMA_MEM_ERROR;
next->coder = coder;
next->code = &block_encode;
next->end = &block_encoder_end;
next->update = &block_encoder_update;
coder->next = LZMA_NEXT_CODER_INIT;
}
// Basic initializations
coder->sequence = SEQ_CODE;
coder->block = block;
coder->compressed_size = 0;
coder->uncompressed_size = 0;
coder->pos = 0;
// Initialize the check
lzma_check_init(&coder->check, block->check);
// Initialize the requested filters.
return lzma_raw_encoder_init(&coder->next, allocator, block->filters);
}
extern LZMA_API(lzma_ret)
lzma_block_encoder(lzma_stream *strm, lzma_block *block)
{
lzma_next_strm_init(lzma_block_encoder_init, strm, block);
strm->internal->supported_actions[LZMA_RUN] = true;
strm->internal->supported_actions[LZMA_FINISH] = true;
return LZMA_OK;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file block_encoder.h
/// \brief Encodes .xz Blocks
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef LZMA_BLOCK_ENCODER_H
#define LZMA_BLOCK_ENCODER_H
#include "common.h"
/// \brief Biggest Compressed Size value that the Block encoder supports
///
/// The maximum size of a single Block is limited by the maximum size of
/// a Stream, which in theory is 2^63 - 3 bytes (i.e. LZMA_VLI_MAX - 3).
/// While the size is really big and no one should hit it in practice, we
/// take it into account in some places anyway to catch some errors e.g. if
/// application passes insanely big value to some function.
///
/// We could take into account the headers etc. to determine the exact
/// maximum size of the Compressed Data field, but the complexity would give
/// us nothing useful. Instead, limit the size of Compressed Data so that
/// even with biggest possible Block Header and Check fields the total
/// encoded size of the Block stays as a valid VLI. This doesn't guarantee
/// that the size of the Stream doesn't grow too big, but that problem is
/// taken care outside the Block handling code.
///
/// ~LZMA_VLI_C(3) is to guarantee that if we need padding at the end of
/// the Compressed Data field, it will still stay in the proper limit.
///
/// This constant is in this file because it is needed in both
/// block_encoder.c and block_buffer_encoder.c.
#define COMPRESSED_SIZE_MAX ((LZMA_VLI_MAX - LZMA_BLOCK_HEADER_SIZE_MAX \
- LZMA_CHECK_SIZE_MAX) & ~LZMA_VLI_C(3))
extern lzma_ret lzma_block_encoder_init(lzma_next_coder *next,
const lzma_allocator *allocator, lzma_block *block);
#endif

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///////////////////////////////////////////////////////////////////////////////
//
/// \file block_header_decoder.c
/// \brief Decodes Block Header from .xz files
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "common.h"
#include "check.h"
static void
free_properties(lzma_block *block, const lzma_allocator *allocator)
{
// Free allocated filter options. The last array member is not
// touched after the initialization in the beginning of
// lzma_block_header_decode(), so we don't need to touch that here.
for (size_t i = 0; i < LZMA_FILTERS_MAX; ++i) {
lzma_free(block->filters[i].options, allocator);
block->filters[i].id = LZMA_VLI_UNKNOWN;
block->filters[i].options = NULL;
}
return;
}
extern LZMA_API(lzma_ret)
lzma_block_header_decode(lzma_block *block,
const lzma_allocator *allocator, const uint8_t *in)
{
// NOTE: We consider the header to be corrupt not only when the
// CRC32 doesn't match, but also when variable-length integers
// are invalid or over 63 bits, or if the header is too small
// to contain the claimed information.
// Initialize the filter options array. This way the caller can
// safely free() the options even if an error occurs in this function.
for (size_t i = 0; i <= LZMA_FILTERS_MAX; ++i) {
block->filters[i].id = LZMA_VLI_UNKNOWN;
block->filters[i].options = NULL;
}
// Versions 0 and 1 are supported. If a newer version was specified,
// we need to downgrade it.
if (block->version > 1)
block->version = 1;
// This isn't a Block Header option, but since the decompressor will
// read it if version >= 1, it's better to initialize it here than
// to expect the caller to do it since in almost all cases this
// should be false.
block->ignore_check = false;
// Validate Block Header Size and Check type. The caller must have
// already set these, so it is a programming error if this test fails.
if (lzma_block_header_size_decode(in[0]) != block->header_size
|| (unsigned int)(block->check) > LZMA_CHECK_ID_MAX)
return LZMA_PROG_ERROR;
// Exclude the CRC32 field.
const size_t in_size = block->header_size - 4;
// Verify CRC32
if (lzma_crc32(in, in_size, 0) != unaligned_read32le(in + in_size))
return LZMA_DATA_ERROR;
// Check for unsupported flags.
if (in[1] & 0x3C)
return LZMA_OPTIONS_ERROR;
// Start after the Block Header Size and Block Flags fields.
size_t in_pos = 2;
// Compressed Size
if (in[1] & 0x40) {
return_if_error(lzma_vli_decode(&block->compressed_size,
NULL, in, &in_pos, in_size));
// Validate Compressed Size. This checks that it isn't zero
// and that the total size of the Block is a valid VLI.
if (lzma_block_unpadded_size(block) == 0)
return LZMA_DATA_ERROR;
} else {
block->compressed_size = LZMA_VLI_UNKNOWN;
}
// Uncompressed Size
if (in[1] & 0x80)
return_if_error(lzma_vli_decode(&block->uncompressed_size,
NULL, in, &in_pos, in_size));
else
block->uncompressed_size = LZMA_VLI_UNKNOWN;
// Filter Flags
const size_t filter_count = (in[1] & 3) + 1;
for (size_t i = 0; i < filter_count; ++i) {
const lzma_ret ret = lzma_filter_flags_decode(
&block->filters[i], allocator,
in, &in_pos, in_size);
if (ret != LZMA_OK) {
free_properties(block, allocator);
return ret;
}
}
// Padding
while (in_pos < in_size) {
if (in[in_pos++] != 0x00) {
free_properties(block, allocator);
// Possibly some new field present so use
// LZMA_OPTIONS_ERROR instead of LZMA_DATA_ERROR.
return LZMA_OPTIONS_ERROR;
}
}
return LZMA_OK;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file block_header_encoder.c
/// \brief Encodes Block Header for .xz files
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "common.h"
#include "check.h"
extern LZMA_API(lzma_ret)
lzma_block_header_size(lzma_block *block)
{
if (block->version > 1)
return LZMA_OPTIONS_ERROR;
// Block Header Size + Block Flags + CRC32.
uint32_t size = 1 + 1 + 4;
// Compressed Size
if (block->compressed_size != LZMA_VLI_UNKNOWN) {
const uint32_t add = lzma_vli_size(block->compressed_size);
if (add == 0 || block->compressed_size == 0)
return LZMA_PROG_ERROR;
size += add;
}
// Uncompressed Size
if (block->uncompressed_size != LZMA_VLI_UNKNOWN) {
const uint32_t add = lzma_vli_size(block->uncompressed_size);
if (add == 0)
return LZMA_PROG_ERROR;
size += add;
}
// List of Filter Flags
if (block->filters == NULL || block->filters[0].id == LZMA_VLI_UNKNOWN)
return LZMA_PROG_ERROR;
for (size_t i = 0; block->filters[i].id != LZMA_VLI_UNKNOWN; ++i) {
// Don't allow too many filters.
if (i == LZMA_FILTERS_MAX)
return LZMA_PROG_ERROR;
uint32_t add;
return_if_error(lzma_filter_flags_size(&add,
block->filters + i));
size += add;
}
// Pad to a multiple of four bytes.
block->header_size = (size + 3) & ~UINT32_C(3);
// NOTE: We don't verify that the encoded size of the Block stays
// within limits. This is because it is possible that we are called
// with exaggerated Compressed Size (e.g. LZMA_VLI_MAX) to reserve
// space for Block Header, and later called again with lower,
// real values.
return LZMA_OK;
}
extern LZMA_API(lzma_ret)
lzma_block_header_encode(const lzma_block *block, uint8_t *out)
{
// Validate everything but filters.
if (lzma_block_unpadded_size(block) == 0
|| !lzma_vli_is_valid(block->uncompressed_size))
return LZMA_PROG_ERROR;
// Indicate the size of the buffer _excluding_ the CRC32 field.
const size_t out_size = block->header_size - 4;
// Store the Block Header Size.
out[0] = out_size / 4;
// We write Block Flags in pieces.
out[1] = 0x00;
size_t out_pos = 2;
// Compressed Size
if (block->compressed_size != LZMA_VLI_UNKNOWN) {
return_if_error(lzma_vli_encode(block->compressed_size, NULL,
out, &out_pos, out_size));
out[1] |= 0x40;
}
// Uncompressed Size
if (block->uncompressed_size != LZMA_VLI_UNKNOWN) {
return_if_error(lzma_vli_encode(block->uncompressed_size, NULL,
out, &out_pos, out_size));
out[1] |= 0x80;
}
// Filter Flags
if (block->filters == NULL || block->filters[0].id == LZMA_VLI_UNKNOWN)
return LZMA_PROG_ERROR;
size_t filter_count = 0;
do {
// There can be a maximum of four filters.
if (filter_count == LZMA_FILTERS_MAX)
return LZMA_PROG_ERROR;
return_if_error(lzma_filter_flags_encode(
block->filters + filter_count,
out, &out_pos, out_size));
} while (block->filters[++filter_count].id != LZMA_VLI_UNKNOWN);
out[1] |= filter_count - 1;
// Padding
memzero(out + out_pos, out_size - out_pos);
// CRC32
unaligned_write32le(out + out_size, lzma_crc32(out, out_size, 0));
return LZMA_OK;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file block_header.c
/// \brief Utility functions to handle lzma_block
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "common.h"
#include "index.h"
extern LZMA_API(lzma_ret)
lzma_block_compressed_size(lzma_block *block, lzma_vli unpadded_size)
{
// Validate everything but Uncompressed Size and filters.
if (lzma_block_unpadded_size(block) == 0)
return LZMA_PROG_ERROR;
const uint32_t container_size = block->header_size
+ lzma_check_size(block->check);
// Validate that Compressed Size will be greater than zero.
if (unpadded_size <= container_size)
return LZMA_DATA_ERROR;
// Calculate what Compressed Size is supposed to be.
// If Compressed Size was present in Block Header,
// compare that the new value matches it.
const lzma_vli compressed_size = unpadded_size - container_size;
if (block->compressed_size != LZMA_VLI_UNKNOWN
&& block->compressed_size != compressed_size)
return LZMA_DATA_ERROR;
block->compressed_size = compressed_size;
return LZMA_OK;
}
extern LZMA_API(lzma_vli)
lzma_block_unpadded_size(const lzma_block *block)
{
// Validate the values that we are interested in i.e. all but
// Uncompressed Size and the filters.
//
// NOTE: This function is used for validation too, so it is
// essential that these checks are always done even if
// Compressed Size is unknown.
if (block == NULL || block->version > 1
|| block->header_size < LZMA_BLOCK_HEADER_SIZE_MIN
|| block->header_size > LZMA_BLOCK_HEADER_SIZE_MAX
|| (block->header_size & 3)
|| !lzma_vli_is_valid(block->compressed_size)
|| block->compressed_size == 0
|| (unsigned int)(block->check) > LZMA_CHECK_ID_MAX)
return 0;
// If Compressed Size is unknown, return that we cannot know
// size of the Block either.
if (block->compressed_size == LZMA_VLI_UNKNOWN)
return LZMA_VLI_UNKNOWN;
// Calculate Unpadded Size and validate it.
const lzma_vli unpadded_size = block->compressed_size
+ block->header_size
+ lzma_check_size(block->check);
assert(unpadded_size >= UNPADDED_SIZE_MIN);
if (unpadded_size > UNPADDED_SIZE_MAX)
return 0;
return unpadded_size;
}
extern LZMA_API(lzma_vli)
lzma_block_total_size(const lzma_block *block)
{
lzma_vli unpadded_size = lzma_block_unpadded_size(block);
if (unpadded_size != LZMA_VLI_UNKNOWN)
unpadded_size = vli_ceil4(unpadded_size);
return unpadded_size;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file common.h
/// \brief Common functions needed in many places in liblzma
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "common.h"
/////////////
// Version //
/////////////
extern LZMA_API(uint32_t)
lzma_version_number(void)
{
return LZMA_VERSION;
}
extern LZMA_API(const char *)
lzma_version_string(void)
{
return LZMA_VERSION_STRING;
}
///////////////////////
// Memory allocation //
///////////////////////
extern void * lzma_attribute((__malloc__)) lzma_attr_alloc_size(1)
lzma_alloc(size_t size, const lzma_allocator *allocator)
{
// Some malloc() variants return NULL if called with size == 0.
if (size == 0)
size = 1;
void *ptr;
if (allocator != NULL && allocator->alloc != NULL)
ptr = allocator->alloc(allocator->opaque, 1, size);
else
ptr = malloc(size);
return ptr;
}
extern void * lzma_attribute((__malloc__)) lzma_attr_alloc_size(1)
lzma_alloc_zero(size_t size, const lzma_allocator *allocator)
{
// Some calloc() variants return NULL if called with size == 0.
if (size == 0)
size = 1;
void *ptr;
if (allocator != NULL && allocator->alloc != NULL) {
ptr = allocator->alloc(allocator->opaque, 1, size);
if (ptr != NULL)
memzero(ptr, size);
} else {
ptr = calloc(1, size);
}
return ptr;
}
extern void
lzma_free(void *ptr, const lzma_allocator *allocator)
{
if (allocator != NULL && allocator->free != NULL)
allocator->free(allocator->opaque, ptr);
else
free(ptr);
return;
}
//////////
// Misc //
//////////
extern size_t
lzma_bufcpy(const uint8_t *restrict in, size_t *restrict in_pos,
size_t in_size, uint8_t *restrict out,
size_t *restrict out_pos, size_t out_size)
{
const size_t in_avail = in_size - *in_pos;
const size_t out_avail = out_size - *out_pos;
const size_t copy_size = my_min(in_avail, out_avail);
memcpy(out + *out_pos, in + *in_pos, copy_size);
*in_pos += copy_size;
*out_pos += copy_size;
return copy_size;
}
extern lzma_ret
lzma_next_filter_init(lzma_next_coder *next, const lzma_allocator *allocator,
const lzma_filter_info *filters)
{
lzma_next_coder_init(filters[0].init, next, allocator);
next->id = filters[0].id;
return filters[0].init == NULL
? LZMA_OK : filters[0].init(next, allocator, filters);
}
extern lzma_ret
lzma_next_filter_update(lzma_next_coder *next, const lzma_allocator *allocator,
const lzma_filter *reversed_filters)
{
// Check that the application isn't trying to change the Filter ID.
// End of filters is indicated with LZMA_VLI_UNKNOWN in both
// reversed_filters[0].id and next->id.
if (reversed_filters[0].id != next->id)
return LZMA_PROG_ERROR;
if (reversed_filters[0].id == LZMA_VLI_UNKNOWN)
return LZMA_OK;
assert(next->update != NULL);
return next->update(next->coder, allocator, NULL, reversed_filters);
}
extern void
lzma_next_end(lzma_next_coder *next, const lzma_allocator *allocator)
{
if (next->init != (uintptr_t)(NULL)) {
// To avoid tiny end functions that simply call
// lzma_free(coder, allocator), we allow leaving next->end
// NULL and call lzma_free() here.
if (next->end != NULL)
next->end(next->coder, allocator);
else
lzma_free(next->coder, allocator);
// Reset the variables so the we don't accidentally think
// that it is an already initialized coder.
*next = LZMA_NEXT_CODER_INIT;
}
return;
}
//////////////////////////////////////
// External to internal API wrapper //
//////////////////////////////////////
extern lzma_ret
lzma_strm_init(lzma_stream *strm)
{
if (strm == NULL)
return LZMA_PROG_ERROR;
if (strm->internal == NULL) {
strm->internal = lzma_alloc(sizeof(lzma_internal),
strm->allocator);
if (strm->internal == NULL)
return LZMA_MEM_ERROR;
strm->internal->next = LZMA_NEXT_CODER_INIT;
}
memzero(strm->internal->supported_actions,
sizeof(strm->internal->supported_actions));
strm->internal->sequence = ISEQ_RUN;
strm->internal->allow_buf_error = false;
strm->total_in = 0;
strm->total_out = 0;
return LZMA_OK;
}
extern LZMA_API(lzma_ret)
lzma_code(lzma_stream *strm, lzma_action action)
{
// Sanity checks
if ((strm->next_in == NULL && strm->avail_in != 0)
|| (strm->next_out == NULL && strm->avail_out != 0)
|| strm->internal == NULL
|| strm->internal->next.code == NULL
|| (unsigned int)(action) > LZMA_ACTION_MAX
|| !strm->internal->supported_actions[action])
return LZMA_PROG_ERROR;
// Check if unsupported members have been set to non-zero or non-NULL,
// which would indicate that some new feature is wanted.
if (strm->reserved_ptr1 != NULL
|| strm->reserved_ptr2 != NULL
|| strm->reserved_ptr3 != NULL
|| strm->reserved_ptr4 != NULL
|| strm->reserved_int1 != 0
|| strm->reserved_int2 != 0
|| strm->reserved_int3 != 0
|| strm->reserved_int4 != 0
|| strm->reserved_enum1 != LZMA_RESERVED_ENUM
|| strm->reserved_enum2 != LZMA_RESERVED_ENUM)
return LZMA_OPTIONS_ERROR;
switch (strm->internal->sequence) {
case ISEQ_RUN:
switch (action) {
case LZMA_RUN:
break;
case LZMA_SYNC_FLUSH:
strm->internal->sequence = ISEQ_SYNC_FLUSH;
break;
case LZMA_FULL_FLUSH:
strm->internal->sequence = ISEQ_FULL_FLUSH;
break;
case LZMA_FINISH:
strm->internal->sequence = ISEQ_FINISH;
break;
case LZMA_FULL_BARRIER:
strm->internal->sequence = ISEQ_FULL_BARRIER;
break;
}
break;
case ISEQ_SYNC_FLUSH:
// The same action must be used until we return
// LZMA_STREAM_END, and the amount of input must not change.
if (action != LZMA_SYNC_FLUSH
|| strm->internal->avail_in != strm->avail_in)
return LZMA_PROG_ERROR;
break;
case ISEQ_FULL_FLUSH:
if (action != LZMA_FULL_FLUSH
|| strm->internal->avail_in != strm->avail_in)
return LZMA_PROG_ERROR;
break;
case ISEQ_FINISH:
if (action != LZMA_FINISH
|| strm->internal->avail_in != strm->avail_in)
return LZMA_PROG_ERROR;
break;
case ISEQ_FULL_BARRIER:
if (action != LZMA_FULL_BARRIER
|| strm->internal->avail_in != strm->avail_in)
return LZMA_PROG_ERROR;
break;
case ISEQ_END:
return LZMA_STREAM_END;
case ISEQ_ERROR:
default:
return LZMA_PROG_ERROR;
}
size_t in_pos = 0;
size_t out_pos = 0;
lzma_ret ret = strm->internal->next.code(
strm->internal->next.coder, strm->allocator,
strm->next_in, &in_pos, strm->avail_in,
strm->next_out, &out_pos, strm->avail_out, action);
strm->next_in += in_pos;
strm->avail_in -= in_pos;
strm->total_in += in_pos;
strm->next_out += out_pos;
strm->avail_out -= out_pos;
strm->total_out += out_pos;
strm->internal->avail_in = strm->avail_in;
// Cast is needed to silence a warning about LZMA_TIMED_OUT, which
// isn't part of lzma_ret enumeration.
switch ((unsigned int)(ret)) {
case LZMA_OK:
// Don't return LZMA_BUF_ERROR when it happens the first time.
// This is to avoid returning LZMA_BUF_ERROR when avail_out
// was zero but still there was no more data left to written
// to next_out.
if (out_pos == 0 && in_pos == 0) {
if (strm->internal->allow_buf_error)
ret = LZMA_BUF_ERROR;
else
strm->internal->allow_buf_error = true;
} else {
strm->internal->allow_buf_error = false;
}
break;
case LZMA_TIMED_OUT:
strm->internal->allow_buf_error = false;
ret = LZMA_OK;
break;
case LZMA_STREAM_END:
if (strm->internal->sequence == ISEQ_SYNC_FLUSH
|| strm->internal->sequence == ISEQ_FULL_FLUSH
|| strm->internal->sequence
== ISEQ_FULL_BARRIER)
strm->internal->sequence = ISEQ_RUN;
else
strm->internal->sequence = ISEQ_END;
// Fall through
case LZMA_NO_CHECK:
case LZMA_UNSUPPORTED_CHECK:
case LZMA_GET_CHECK:
case LZMA_MEMLIMIT_ERROR:
// Something else than LZMA_OK, but not a fatal error,
// that is, coding may be continued (except if ISEQ_END).
strm->internal->allow_buf_error = false;
break;
default:
// All the other errors are fatal; coding cannot be continued.
assert(ret != LZMA_BUF_ERROR);
strm->internal->sequence = ISEQ_ERROR;
break;
}
return ret;
}
extern LZMA_API(void)
lzma_end(lzma_stream *strm)
{
if (strm != NULL && strm->internal != NULL) {
lzma_next_end(&strm->internal->next, strm->allocator);
lzma_free(strm->internal, strm->allocator);
strm->internal = NULL;
}
return;
}
extern LZMA_API(void)
lzma_get_progress(lzma_stream *strm,
uint64_t *progress_in, uint64_t *progress_out)
{
if (strm->internal->next.get_progress != NULL) {
strm->internal->next.get_progress(strm->internal->next.coder,
progress_in, progress_out);
} else {
*progress_in = strm->total_in;
*progress_out = strm->total_out;
}
return;
}
extern LZMA_API(lzma_check)
lzma_get_check(const lzma_stream *strm)
{
// Return LZMA_CHECK_NONE if we cannot know the check type.
// It's a bug in the application if this happens.
if (strm->internal->next.get_check == NULL)
return LZMA_CHECK_NONE;
return strm->internal->next.get_check(strm->internal->next.coder);
}
extern LZMA_API(uint64_t)
lzma_memusage(const lzma_stream *strm)
{
uint64_t memusage;
uint64_t old_memlimit;
if (strm == NULL || strm->internal == NULL
|| strm->internal->next.memconfig == NULL
|| strm->internal->next.memconfig(
strm->internal->next.coder,
&memusage, &old_memlimit, 0) != LZMA_OK)
return 0;
return memusage;
}
extern LZMA_API(uint64_t)
lzma_memlimit_get(const lzma_stream *strm)
{
uint64_t old_memlimit;
uint64_t memusage;
if (strm == NULL || strm->internal == NULL
|| strm->internal->next.memconfig == NULL
|| strm->internal->next.memconfig(
strm->internal->next.coder,
&memusage, &old_memlimit, 0) != LZMA_OK)
return 0;
return old_memlimit;
}
extern LZMA_API(lzma_ret)
lzma_memlimit_set(lzma_stream *strm, uint64_t new_memlimit)
{
// Dummy variables to simplify memconfig functions
uint64_t old_memlimit;
uint64_t memusage;
if (strm == NULL || strm->internal == NULL
|| strm->internal->next.memconfig == NULL)
return LZMA_PROG_ERROR;
// Zero is a special value that cannot be used as an actual limit.
// If 0 was specified, use 1 instead.
if (new_memlimit == 0)
new_memlimit = 1;
return strm->internal->next.memconfig(strm->internal->next.coder,
&memusage, &old_memlimit, new_memlimit);
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file common.h
/// \brief Definitions common to the whole liblzma library
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef LZMA_COMMON_H
#define LZMA_COMMON_H
#include "sysdefs.h"
#include "mythread.h"
#include "tuklib_integer.h"
#if defined(_WIN32) || defined(__CYGWIN__)
# ifdef DLL_EXPORT
# define LZMA_API_EXPORT __declspec(dllexport)
# else
# define LZMA_API_EXPORT
# endif
// Don't use ifdef or defined() below.
#elif HAVE_VISIBILITY
# define LZMA_API_EXPORT __attribute__((__visibility__("default")))
#else
# define LZMA_API_EXPORT
#endif
#define LZMA_API(type) LZMA_API_EXPORT type LZMA_API_CALL
#include "lzma.h"
// These allow helping the compiler in some often-executed branches, whose
// result is almost always the same.
#ifdef __GNUC__
# define likely(expr) __builtin_expect(expr, true)
# define unlikely(expr) __builtin_expect(expr, false)
#else
# define likely(expr) (expr)
# define unlikely(expr) (expr)
#endif
/// Size of temporary buffers needed in some filters
#define LZMA_BUFFER_SIZE 4096
/// Maximum number of worker threads within one multithreaded component.
/// The limit exists solely to make it simpler to prevent integer overflows
/// when allocating structures etc. This should be big enough for now...
/// the code won't scale anywhere close to this number anyway.
#define LZMA_THREADS_MAX 16384
/// Starting value for memory usage estimates. Instead of calculating size
/// of _every_ structure and taking into account malloc() overhead etc., we
/// add a base size to all memory usage estimates. It's not very accurate
/// but should be easily good enough.
#define LZMA_MEMUSAGE_BASE (UINT64_C(1) << 15)
/// Start of internal Filter ID space. These IDs must never be used
/// in Streams.
#define LZMA_FILTER_RESERVED_START (LZMA_VLI_C(1) << 62)
/// Supported flags that can be passed to lzma_stream_decoder()
/// or lzma_auto_decoder().
#define LZMA_SUPPORTED_FLAGS \
( LZMA_TELL_NO_CHECK \
| LZMA_TELL_UNSUPPORTED_CHECK \
| LZMA_TELL_ANY_CHECK \
| LZMA_IGNORE_CHECK \
| LZMA_CONCATENATED )
/// Largest valid lzma_action value as unsigned integer.
#define LZMA_ACTION_MAX ((unsigned int)(LZMA_FULL_BARRIER))
/// Special return value (lzma_ret) to indicate that a timeout was reached
/// and lzma_code() must not return LZMA_BUF_ERROR. This is converted to
/// LZMA_OK in lzma_code(). This is not in the lzma_ret enumeration because
/// there's no need to have it in the public API.
#define LZMA_TIMED_OUT 32
typedef struct lzma_next_coder_s lzma_next_coder;
typedef struct lzma_filter_info_s lzma_filter_info;
/// Type of a function used to initialize a filter encoder or decoder
typedef lzma_ret (*lzma_init_function)(
lzma_next_coder *next, const lzma_allocator *allocator,
const lzma_filter_info *filters);
/// Type of a function to do some kind of coding work (filters, Stream,
/// Block encoders/decoders etc.). Some special coders use don't use both
/// input and output buffers, but for simplicity they still use this same
/// function prototype.
typedef lzma_ret (*lzma_code_function)(
void *coder, const lzma_allocator *allocator,
const uint8_t *restrict in, size_t *restrict in_pos,
size_t in_size, uint8_t *restrict out,
size_t *restrict out_pos, size_t out_size,
lzma_action action);
/// Type of a function to free the memory allocated for the coder
typedef void (*lzma_end_function)(
void *coder, const lzma_allocator *allocator);
/// Raw coder validates and converts an array of lzma_filter structures to
/// an array of lzma_filter_info structures. This array is used with
/// lzma_next_filter_init to initialize the filter chain.
struct lzma_filter_info_s {
/// Filter ID. This is used only by the encoder
/// with lzma_filters_update().
lzma_vli id;
/// Pointer to function used to initialize the filter.
/// This is NULL to indicate end of array.
lzma_init_function init;
/// Pointer to filter's options structure
void *options;
};
/// Hold data and function pointers of the next filter in the chain.
struct lzma_next_coder_s {
/// Pointer to coder-specific data
void *coder;
/// Filter ID. This is LZMA_VLI_UNKNOWN when this structure doesn't
/// point to a filter coder.
lzma_vli id;
/// "Pointer" to init function. This is never called here.
/// We need only to detect if we are initializing a coder
/// that was allocated earlier. See lzma_next_coder_init and
/// lzma_next_strm_init macros in this file.
uintptr_t init;
/// Pointer to function to do the actual coding
lzma_code_function code;
/// Pointer to function to free lzma_next_coder.coder. This can
/// be NULL; in that case, lzma_free is called to free
/// lzma_next_coder.coder.
lzma_end_function end;
/// Pointer to a function to get progress information. If this is NULL,
/// lzma_stream.total_in and .total_out are used instead.
void (*get_progress)(void *coder,
uint64_t *progress_in, uint64_t *progress_out);
/// Pointer to function to return the type of the integrity check.
/// Most coders won't support this.
lzma_check (*get_check)(const void *coder);
/// Pointer to function to get and/or change the memory usage limit.
/// If new_memlimit == 0, the limit is not changed.
lzma_ret (*memconfig)(void *coder, uint64_t *memusage,
uint64_t *old_memlimit, uint64_t new_memlimit);
/// Update the filter-specific options or the whole filter chain
/// in the encoder.
lzma_ret (*update)(void *coder, const lzma_allocator *allocator,
const lzma_filter *filters,
const lzma_filter *reversed_filters);
};
/// Macro to initialize lzma_next_coder structure
#define LZMA_NEXT_CODER_INIT \
(lzma_next_coder){ \
.coder = NULL, \
.init = (uintptr_t)(NULL), \
.id = LZMA_VLI_UNKNOWN, \
.code = NULL, \
.end = NULL, \
.get_progress = NULL, \
.get_check = NULL, \
.memconfig = NULL, \
.update = NULL, \
}
/// Internal data for lzma_strm_init, lzma_code, and lzma_end. A pointer to
/// this is stored in lzma_stream.
struct lzma_internal_s {
/// The actual coder that should do something useful
lzma_next_coder next;
/// Track the state of the coder. This is used to validate arguments
/// so that the actual coders can rely on e.g. that LZMA_SYNC_FLUSH
/// is used on every call to lzma_code until next.code has returned
/// LZMA_STREAM_END.
enum {
ISEQ_RUN,
ISEQ_SYNC_FLUSH,
ISEQ_FULL_FLUSH,
ISEQ_FINISH,
ISEQ_FULL_BARRIER,
ISEQ_END,
ISEQ_ERROR,
} sequence;
/// A copy of lzma_stream avail_in. This is used to verify that the
/// amount of input doesn't change once e.g. LZMA_FINISH has been
/// used.
size_t avail_in;
/// Indicates which lzma_action values are allowed by next.code.
bool supported_actions[LZMA_ACTION_MAX + 1];
/// If true, lzma_code will return LZMA_BUF_ERROR if no progress was
/// made (no input consumed and no output produced by next.code).
bool allow_buf_error;
};
/// Allocates memory
extern void *lzma_alloc(size_t size, const lzma_allocator *allocator)
lzma_attribute((__malloc__)) lzma_attr_alloc_size(1);
/// Allocates memory and zeroes it (like calloc()). This can be faster
/// than lzma_alloc() + memzero() while being backward compatible with
/// custom allocators.
extern void * lzma_attribute((__malloc__)) lzma_attr_alloc_size(1)
lzma_alloc_zero(size_t size, const lzma_allocator *allocator);
/// Frees memory
extern void lzma_free(void *ptr, const lzma_allocator *allocator);
/// Allocates strm->internal if it is NULL, and initializes *strm and
/// strm->internal. This function is only called via lzma_next_strm_init macro.
extern lzma_ret lzma_strm_init(lzma_stream *strm);
/// Initializes the next filter in the chain, if any. This takes care of
/// freeing the memory of previously initialized filter if it is different
/// than the filter being initialized now. This way the actual filter
/// initialization functions don't need to use lzma_next_coder_init macro.
extern lzma_ret lzma_next_filter_init(lzma_next_coder *next,
const lzma_allocator *allocator,
const lzma_filter_info *filters);
/// Update the next filter in the chain, if any. This checks that
/// the application is not trying to change the Filter IDs.
extern lzma_ret lzma_next_filter_update(
lzma_next_coder *next, const lzma_allocator *allocator,
const lzma_filter *reversed_filters);
/// Frees the memory allocated for next->coder either using next->end or,
/// if next->end is NULL, using lzma_free.
extern void lzma_next_end(lzma_next_coder *next,
const lzma_allocator *allocator);
/// Copy as much data as possible from in[] to out[] and update *in_pos
/// and *out_pos accordingly. Returns the number of bytes copied.
extern size_t lzma_bufcpy(const uint8_t *restrict in, size_t *restrict in_pos,
size_t in_size, uint8_t *restrict out,
size_t *restrict out_pos, size_t out_size);
/// \brief Return if expression doesn't evaluate to LZMA_OK
///
/// There are several situations where we want to return immediately
/// with the value of expr if it isn't LZMA_OK. This macro shortens
/// the code a little.
#define return_if_error(expr) \
do { \
const lzma_ret ret_ = (expr); \
if (ret_ != LZMA_OK) \
return ret_; \
} while (0)
/// If next isn't already initialized, free the previous coder. Then mark
/// that next is _possibly_ initialized for the coder using this macro.
/// "Possibly" means that if e.g. allocation of next->coder fails, the
/// structure isn't actually initialized for this coder, but leaving
/// next->init to func is still OK.
#define lzma_next_coder_init(func, next, allocator) \
do { \
if ((uintptr_t)(func) != (next)->init) \
lzma_next_end(next, allocator); \
(next)->init = (uintptr_t)(func); \
} while (0)
/// Initializes lzma_strm and calls func() to initialize strm->internal->next.
/// (The function being called will use lzma_next_coder_init()). If
/// initialization fails, memory that wasn't freed by func() is freed
/// along strm->internal.
#define lzma_next_strm_init(func, strm, ...) \
do { \
return_if_error(lzma_strm_init(strm)); \
const lzma_ret ret_ = func(&(strm)->internal->next, \
(strm)->allocator, __VA_ARGS__); \
if (ret_ != LZMA_OK) { \
lzma_end(strm); \
return ret_; \
} \
} while (0)
#endif

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///////////////////////////////////////////////////////////////////////////////
//
/// \file easy_buffer_encoder.c
/// \brief Easy single-call .xz Stream encoder
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "easy_preset.h"
extern LZMA_API(lzma_ret)
lzma_easy_buffer_encode(uint32_t preset, lzma_check check,
const lzma_allocator *allocator, const uint8_t *in,
size_t in_size, uint8_t *out, size_t *out_pos, size_t out_size)
{
lzma_options_easy opt_easy;
if (lzma_easy_preset(&opt_easy, preset))
return LZMA_OPTIONS_ERROR;
return lzma_stream_buffer_encode(opt_easy.filters, check,
allocator, in, in_size, out, out_pos, out_size);
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file easy_decoder_memusage.c
/// \brief Decoder memory usage calculation to match easy encoder presets
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "easy_preset.h"
extern LZMA_API(uint64_t)
lzma_easy_decoder_memusage(uint32_t preset)
{
lzma_options_easy opt_easy;
if (lzma_easy_preset(&opt_easy, preset))
return UINT32_MAX;
return lzma_raw_decoder_memusage(opt_easy.filters);
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file easy_encoder.c
/// \brief Easy .xz Stream encoder initialization
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "easy_preset.h"
extern LZMA_API(lzma_ret)
lzma_easy_encoder(lzma_stream *strm, uint32_t preset, lzma_check check)
{
lzma_options_easy opt_easy;
if (lzma_easy_preset(&opt_easy, preset))
return LZMA_OPTIONS_ERROR;
return lzma_stream_encoder(strm, opt_easy.filters, check);
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file easy_encoder_memusage.c
/// \brief Easy .xz Stream encoder memory usage calculation
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "easy_preset.h"
extern LZMA_API(uint64_t)
lzma_easy_encoder_memusage(uint32_t preset)
{
lzma_options_easy opt_easy;
if (lzma_easy_preset(&opt_easy, preset))
return UINT32_MAX;
return lzma_raw_encoder_memusage(opt_easy.filters);
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file easy_preset.c
/// \brief Preset handling for easy encoder and decoder
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "easy_preset.h"
extern bool
lzma_easy_preset(lzma_options_easy *opt_easy, uint32_t preset)
{
if (lzma_lzma_preset(&opt_easy->opt_lzma, preset))
return true;
opt_easy->filters[0].id = LZMA_FILTER_LZMA2;
opt_easy->filters[0].options = &opt_easy->opt_lzma;
opt_easy->filters[1].id = LZMA_VLI_UNKNOWN;
return false;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file easy_preset.h
/// \brief Preset handling for easy encoder and decoder
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "common.h"
typedef struct {
/// We need to keep the filters array available in case
/// LZMA_FULL_FLUSH is used.
lzma_filter filters[LZMA_FILTERS_MAX + 1];
/// Options for LZMA2
lzma_options_lzma opt_lzma;
// Options for more filters can be added later, so this struct
// is not ready to be put into the public API.
} lzma_options_easy;
/// Set *easy to the settings given by the preset. Returns true on error,
/// false on success.
extern bool lzma_easy_preset(lzma_options_easy *easy, uint32_t preset);

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///////////////////////////////////////////////////////////////////////////////
//
/// \file filter_buffer_decoder.c
/// \brief Single-call raw decoding
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "filter_decoder.h"
extern LZMA_API(lzma_ret)
lzma_raw_buffer_decode(
const lzma_filter *filters, const lzma_allocator *allocator,
const uint8_t *in, size_t *in_pos, size_t in_size,
uint8_t *out, size_t *out_pos, size_t out_size)
{
// Validate what isn't validated later in filter_common.c.
if (in == NULL || in_pos == NULL || *in_pos > in_size || out == NULL
|| out_pos == NULL || *out_pos > out_size)
return LZMA_PROG_ERROR;
// Initialize the decoer.
lzma_next_coder next = LZMA_NEXT_CODER_INIT;
return_if_error(lzma_raw_decoder_init(&next, allocator, filters));
// Store the positions so that we can restore them if something
// goes wrong.
const size_t in_start = *in_pos;
const size_t out_start = *out_pos;
// Do the actual decoding and free decoder's memory.
lzma_ret ret = next.code(next.coder, allocator, in, in_pos, in_size,
out, out_pos, out_size, LZMA_FINISH);
if (ret == LZMA_STREAM_END) {
ret = LZMA_OK;
} else {
if (ret == LZMA_OK) {
// Either the input was truncated or the
// output buffer was too small.
assert(*in_pos == in_size || *out_pos == out_size);
if (*in_pos != in_size) {
// Since input wasn't consumed completely,
// the output buffer became full and is
// too small.
ret = LZMA_BUF_ERROR;
} else if (*out_pos != out_size) {
// Since output didn't became full, the input
// has to be truncated.
ret = LZMA_DATA_ERROR;
} else {
// All the input was consumed and output
// buffer is full. Now we don't immediately
// know the reason for the error. Try
// decoding one more byte. If it succeeds,
// then the output buffer was too small. If
// we cannot get a new output byte, the input
// is truncated.
uint8_t tmp[1];
size_t tmp_pos = 0;
(void)next.code(next.coder, allocator,
in, in_pos, in_size,
tmp, &tmp_pos, 1, LZMA_FINISH);
if (tmp_pos == 1)
ret = LZMA_BUF_ERROR;
else
ret = LZMA_DATA_ERROR;
}
}
// Restore the positions.
*in_pos = in_start;
*out_pos = out_start;
}
lzma_next_end(&next, allocator);
return ret;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file filter_buffer_encoder.c
/// \brief Single-call raw encoding
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "filter_encoder.h"
extern LZMA_API(lzma_ret)
lzma_raw_buffer_encode(
const lzma_filter *filters, const lzma_allocator *allocator,
const uint8_t *in, size_t in_size,
uint8_t *out, size_t *out_pos, size_t out_size)
{
// Validate what isn't validated later in filter_common.c.
if ((in == NULL && in_size != 0) || out == NULL
|| out_pos == NULL || *out_pos > out_size)
return LZMA_PROG_ERROR;
// Initialize the encoder
lzma_next_coder next = LZMA_NEXT_CODER_INIT;
return_if_error(lzma_raw_encoder_init(&next, allocator, filters));
// Store the output position so that we can restore it if
// something goes wrong.
const size_t out_start = *out_pos;
// Do the actual encoding and free coder's memory.
size_t in_pos = 0;
lzma_ret ret = next.code(next.coder, allocator, in, &in_pos, in_size,
out, out_pos, out_size, LZMA_FINISH);
lzma_next_end(&next, allocator);
if (ret == LZMA_STREAM_END) {
ret = LZMA_OK;
} else {
if (ret == LZMA_OK) {
// Output buffer was too small.
assert(*out_pos == out_size);
ret = LZMA_BUF_ERROR;
}
// Restore the output position.
*out_pos = out_start;
}
return ret;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file filter_common.c
/// \brief Filter-specific stuff common for both encoder and decoder
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "filter_common.h"
static const struct {
/// Filter ID
lzma_vli id;
/// Size of the filter-specific options structure
size_t options_size;
/// True if it is OK to use this filter as non-last filter in
/// the chain.
bool non_last_ok;
/// True if it is OK to use this filter as the last filter in
/// the chain.
bool last_ok;
/// True if the filter may change the size of the data (that is, the
/// amount of encoded output can be different than the amount of
/// uncompressed input).
bool changes_size;
} features[] = {
#if defined (HAVE_ENCODER_LZMA1) || defined(HAVE_DECODER_LZMA1)
{
.id = LZMA_FILTER_LZMA1,
.options_size = sizeof(lzma_options_lzma),
.non_last_ok = false,
.last_ok = true,
.changes_size = true,
},
#endif
#if defined(HAVE_ENCODER_LZMA2) || defined(HAVE_DECODER_LZMA2)
{
.id = LZMA_FILTER_LZMA2,
.options_size = sizeof(lzma_options_lzma),
.non_last_ok = false,
.last_ok = true,
.changes_size = true,
},
#endif
#if defined(HAVE_ENCODER_X86) || defined(HAVE_DECODER_X86)
{
.id = LZMA_FILTER_X86,
.options_size = sizeof(lzma_options_bcj),
.non_last_ok = true,
.last_ok = false,
.changes_size = false,
},
#endif
#if defined(HAVE_ENCODER_POWERPC) || defined(HAVE_DECODER_POWERPC)
{
.id = LZMA_FILTER_POWERPC,
.options_size = sizeof(lzma_options_bcj),
.non_last_ok = true,
.last_ok = false,
.changes_size = false,
},
#endif
#if defined(HAVE_ENCODER_IA64) || defined(HAVE_DECODER_IA64)
{
.id = LZMA_FILTER_IA64,
.options_size = sizeof(lzma_options_bcj),
.non_last_ok = true,
.last_ok = false,
.changes_size = false,
},
#endif
#if defined(HAVE_ENCODER_ARM) || defined(HAVE_DECODER_ARM)
{
.id = LZMA_FILTER_ARM,
.options_size = sizeof(lzma_options_bcj),
.non_last_ok = true,
.last_ok = false,
.changes_size = false,
},
#endif
#if defined(HAVE_ENCODER_ARMTHUMB) || defined(HAVE_DECODER_ARMTHUMB)
{
.id = LZMA_FILTER_ARMTHUMB,
.options_size = sizeof(lzma_options_bcj),
.non_last_ok = true,
.last_ok = false,
.changes_size = false,
},
#endif
#if defined(HAVE_ENCODER_SPARC) || defined(HAVE_DECODER_SPARC)
{
.id = LZMA_FILTER_SPARC,
.options_size = sizeof(lzma_options_bcj),
.non_last_ok = true,
.last_ok = false,
.changes_size = false,
},
#endif
#if defined(HAVE_ENCODER_DELTA) || defined(HAVE_DECODER_DELTA)
{
.id = LZMA_FILTER_DELTA,
.options_size = sizeof(lzma_options_delta),
.non_last_ok = true,
.last_ok = false,
.changes_size = false,
},
#endif
{
.id = LZMA_VLI_UNKNOWN
}
};
extern LZMA_API(lzma_ret)
lzma_filters_copy(const lzma_filter *src, lzma_filter *dest,
const lzma_allocator *allocator)
{
if (src == NULL || dest == NULL)
return LZMA_PROG_ERROR;
lzma_ret ret;
size_t i;
for (i = 0; src[i].id != LZMA_VLI_UNKNOWN; ++i) {
// There must be a maximum of four filters plus
// the array terminator.
if (i == LZMA_FILTERS_MAX) {
ret = LZMA_OPTIONS_ERROR;
goto error;
}
dest[i].id = src[i].id;
if (src[i].options == NULL) {
dest[i].options = NULL;
} else {
// See if the filter is supported only when the
// options is not NULL. This might be convenient
// sometimes if the app is actually copying only
// a partial filter chain with a place holder ID.
//
// When options is not NULL, the Filter ID must be
// supported by us, because otherwise we don't know
// how big the options are.
size_t j;
for (j = 0; src[i].id != features[j].id; ++j) {
if (features[j].id == LZMA_VLI_UNKNOWN) {
ret = LZMA_OPTIONS_ERROR;
goto error;
}
}
// Allocate and copy the options.
dest[i].options = lzma_alloc(features[j].options_size,
allocator);
if (dest[i].options == NULL) {
ret = LZMA_MEM_ERROR;
goto error;
}
memcpy(dest[i].options, src[i].options,
features[j].options_size);
}
}
// Terminate the filter array.
assert(i <= LZMA_FILTERS_MAX + 1);
dest[i].id = LZMA_VLI_UNKNOWN;
dest[i].options = NULL;
return LZMA_OK;
error:
// Free the options which we have already allocated.
while (i-- > 0) {
lzma_free(dest[i].options, allocator);
dest[i].options = NULL;
}
return ret;
}
static lzma_ret
validate_chain(const lzma_filter *filters, size_t *count)
{
// There must be at least one filter.
if (filters == NULL || filters[0].id == LZMA_VLI_UNKNOWN)
return LZMA_PROG_ERROR;
// Number of non-last filters that may change the size of the data
// significantly (that is, more than 1-2 % or so).
size_t changes_size_count = 0;
// True if it is OK to add a new filter after the current filter.
bool non_last_ok = true;
// True if the last filter in the given chain is actually usable as
// the last filter. Only filters that support embedding End of Payload
// Marker can be used as the last filter in the chain.
bool last_ok = false;
size_t i = 0;
do {
size_t j;
for (j = 0; filters[i].id != features[j].id; ++j)
if (features[j].id == LZMA_VLI_UNKNOWN)
return LZMA_OPTIONS_ERROR;
// If the previous filter in the chain cannot be a non-last
// filter, the chain is invalid.
if (!non_last_ok)
return LZMA_OPTIONS_ERROR;
non_last_ok = features[j].non_last_ok;
last_ok = features[j].last_ok;
changes_size_count += features[j].changes_size;
} while (filters[++i].id != LZMA_VLI_UNKNOWN);
// There must be 1-4 filters. The last filter must be usable as
// the last filter in the chain. A maximum of three filters are
// allowed to change the size of the data.
if (i > LZMA_FILTERS_MAX || !last_ok || changes_size_count > 3)
return LZMA_OPTIONS_ERROR;
*count = i;
return LZMA_OK;
}
extern lzma_ret
lzma_raw_coder_init(lzma_next_coder *next, const lzma_allocator *allocator,
const lzma_filter *options,
lzma_filter_find coder_find, bool is_encoder)
{
// Do some basic validation and get the number of filters.
size_t count;
return_if_error(validate_chain(options, &count));
// Set the filter functions and copy the options pointer.
lzma_filter_info filters[LZMA_FILTERS_MAX + 1];
if (is_encoder) {
for (size_t i = 0; i < count; ++i) {
// The order of the filters is reversed in the
// encoder. It allows more efficient handling
// of the uncompressed data.
const size_t j = count - i - 1;
const lzma_filter_coder *const fc
= coder_find(options[i].id);
if (fc == NULL || fc->init == NULL)
return LZMA_OPTIONS_ERROR;
filters[j].id = options[i].id;
filters[j].init = fc->init;
filters[j].options = options[i].options;
}
} else {
for (size_t i = 0; i < count; ++i) {
const lzma_filter_coder *const fc
= coder_find(options[i].id);
if (fc == NULL || fc->init == NULL)
return LZMA_OPTIONS_ERROR;
filters[i].id = options[i].id;
filters[i].init = fc->init;
filters[i].options = options[i].options;
}
}
// Terminate the array.
filters[count].id = LZMA_VLI_UNKNOWN;
filters[count].init = NULL;
// Initialize the filters.
const lzma_ret ret = lzma_next_filter_init(next, allocator, filters);
if (ret != LZMA_OK)
lzma_next_end(next, allocator);
return ret;
}
extern uint64_t
lzma_raw_coder_memusage(lzma_filter_find coder_find,
const lzma_filter *filters)
{
// The chain has to have at least one filter.
{
size_t tmp;
if (validate_chain(filters, &tmp) != LZMA_OK)
return UINT64_MAX;
}
uint64_t total = 0;
size_t i = 0;
do {
const lzma_filter_coder *const fc
= coder_find(filters[i].id);
if (fc == NULL)
return UINT64_MAX; // Unsupported Filter ID
if (fc->memusage == NULL) {
// This filter doesn't have a function to calculate
// the memory usage and validate the options. Such
// filters need only little memory, so we use 1 KiB
// as a good estimate. They also accept all possible
// options, so there's no need to worry about lack
// of validation.
total += 1024;
} else {
// Call the filter-specific memory usage calculation
// function.
const uint64_t usage
= fc->memusage(filters[i].options);
if (usage == UINT64_MAX)
return UINT64_MAX; // Invalid options
total += usage;
}
} while (filters[++i].id != LZMA_VLI_UNKNOWN);
// Add some fixed amount of extra. It's to compensate memory usage
// of Stream, Block etc. coders, malloc() overhead, stack etc.
return total + LZMA_MEMUSAGE_BASE;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file filter_common.c
/// \brief Filter-specific stuff common for both encoder and decoder
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef LZMA_FILTER_COMMON_H
#define LZMA_FILTER_COMMON_H
#include "common.h"
/// Both lzma_filter_encoder and lzma_filter_decoder begin with these members.
typedef struct {
/// Filter ID
lzma_vli id;
/// Initializes the filter encoder and calls lzma_next_filter_init()
/// for filters + 1.
lzma_init_function init;
/// Calculates memory usage of the encoder. If the options are
/// invalid, UINT64_MAX is returned.
uint64_t (*memusage)(const void *options);
} lzma_filter_coder;
typedef const lzma_filter_coder *(*lzma_filter_find)(lzma_vli id);
extern lzma_ret lzma_raw_coder_init(
lzma_next_coder *next, const lzma_allocator *allocator,
const lzma_filter *filters,
lzma_filter_find coder_find, bool is_encoder);
extern uint64_t lzma_raw_coder_memusage(lzma_filter_find coder_find,
const lzma_filter *filters);
#endif

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///////////////////////////////////////////////////////////////////////////////
//
/// \file filter_decoder.c
/// \brief Filter ID mapping to filter-specific functions
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "filter_decoder.h"
#include "filter_common.h"
#include "lzma_decoder.h"
#include "lzma2_decoder.h"
#include "simple_decoder.h"
#include "delta_decoder.h"
typedef struct {
/// Filter ID
lzma_vli id;
/// Initializes the filter encoder and calls lzma_next_filter_init()
/// for filters + 1.
lzma_init_function init;
/// Calculates memory usage of the encoder. If the options are
/// invalid, UINT64_MAX is returned.
uint64_t (*memusage)(const void *options);
/// Decodes Filter Properties.
///
/// \return - LZMA_OK: Properties decoded successfully.
/// - LZMA_OPTIONS_ERROR: Unsupported properties
/// - LZMA_MEM_ERROR: Memory allocation failed.
lzma_ret (*props_decode)(
void **options, const lzma_allocator *allocator,
const uint8_t *props, size_t props_size);
} lzma_filter_decoder;
static const lzma_filter_decoder decoders[] = {
#ifdef HAVE_DECODER_LZMA1
{
.id = LZMA_FILTER_LZMA1,
.init = &lzma_lzma_decoder_init,
.memusage = &lzma_lzma_decoder_memusage,
.props_decode = &lzma_lzma_props_decode,
},
#endif
#ifdef HAVE_DECODER_LZMA2
{
.id = LZMA_FILTER_LZMA2,
.init = &lzma_lzma2_decoder_init,
.memusage = &lzma_lzma2_decoder_memusage,
.props_decode = &lzma_lzma2_props_decode,
},
#endif
#ifdef HAVE_DECODER_X86
{
.id = LZMA_FILTER_X86,
.init = &lzma_simple_x86_decoder_init,
.memusage = NULL,
.props_decode = &lzma_simple_props_decode,
},
#endif
#ifdef HAVE_DECODER_POWERPC
{
.id = LZMA_FILTER_POWERPC,
.init = &lzma_simple_powerpc_decoder_init,
.memusage = NULL,
.props_decode = &lzma_simple_props_decode,
},
#endif
#ifdef HAVE_DECODER_IA64
{
.id = LZMA_FILTER_IA64,
.init = &lzma_simple_ia64_decoder_init,
.memusage = NULL,
.props_decode = &lzma_simple_props_decode,
},
#endif
#ifdef HAVE_DECODER_ARM
{
.id = LZMA_FILTER_ARM,
.init = &lzma_simple_arm_decoder_init,
.memusage = NULL,
.props_decode = &lzma_simple_props_decode,
},
#endif
#ifdef HAVE_DECODER_ARMTHUMB
{
.id = LZMA_FILTER_ARMTHUMB,
.init = &lzma_simple_armthumb_decoder_init,
.memusage = NULL,
.props_decode = &lzma_simple_props_decode,
},
#endif
#ifdef HAVE_DECODER_SPARC
{
.id = LZMA_FILTER_SPARC,
.init = &lzma_simple_sparc_decoder_init,
.memusage = NULL,
.props_decode = &lzma_simple_props_decode,
},
#endif
#ifdef HAVE_DECODER_DELTA
{
.id = LZMA_FILTER_DELTA,
.init = &lzma_delta_decoder_init,
.memusage = &lzma_delta_coder_memusage,
.props_decode = &lzma_delta_props_decode,
},
#endif
};
static const lzma_filter_decoder *
decoder_find(lzma_vli id)
{
for (size_t i = 0; i < ARRAY_SIZE(decoders); ++i)
if (decoders[i].id == id)
return decoders + i;
return NULL;
}
extern LZMA_API(lzma_bool)
lzma_filter_decoder_is_supported(lzma_vli id)
{
return decoder_find(id) != NULL;
}
extern lzma_ret
lzma_raw_decoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
const lzma_filter *options)
{
return lzma_raw_coder_init(next, allocator,
options, (lzma_filter_find)(&decoder_find), false);
}
extern LZMA_API(lzma_ret)
lzma_raw_decoder(lzma_stream *strm, const lzma_filter *options)
{
lzma_next_strm_init(lzma_raw_decoder_init, strm, options);
strm->internal->supported_actions[LZMA_RUN] = true;
strm->internal->supported_actions[LZMA_FINISH] = true;
return LZMA_OK;
}
extern LZMA_API(uint64_t)
lzma_raw_decoder_memusage(const lzma_filter *filters)
{
return lzma_raw_coder_memusage(
(lzma_filter_find)(&decoder_find), filters);
}
extern LZMA_API(lzma_ret)
lzma_properties_decode(lzma_filter *filter, const lzma_allocator *allocator,
const uint8_t *props, size_t props_size)
{
// Make it always NULL so that the caller can always safely free() it.
filter->options = NULL;
const lzma_filter_decoder *const fd = decoder_find(filter->id);
if (fd == NULL)
return LZMA_OPTIONS_ERROR;
if (fd->props_decode == NULL)
return props_size == 0 ? LZMA_OK : LZMA_OPTIONS_ERROR;
return fd->props_decode(
&filter->options, allocator, props, props_size);
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file filter_decoder.c
/// \brief Filter ID mapping to filter-specific functions
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef LZMA_FILTER_DECODER_H
#define LZMA_FILTER_DECODER_H
#include "common.h"
extern lzma_ret lzma_raw_decoder_init(
lzma_next_coder *next, const lzma_allocator *allocator,
const lzma_filter *options);
#endif

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///////////////////////////////////////////////////////////////////////////////
//
/// \file filter_decoder.c
/// \brief Filter ID mapping to filter-specific functions
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "filter_encoder.h"
#include "filter_common.h"
#include "lzma_encoder.h"
#include "lzma2_encoder.h"
#include "simple_encoder.h"
#include "delta_encoder.h"
typedef struct {
/// Filter ID
lzma_vli id;
/// Initializes the filter encoder and calls lzma_next_filter_init()
/// for filters + 1.
lzma_init_function init;
/// Calculates memory usage of the encoder. If the options are
/// invalid, UINT64_MAX is returned.
uint64_t (*memusage)(const void *options);
/// Calculates the recommended Uncompressed Size for .xz Blocks to
/// which the input data can be split to make multithreaded
/// encoding possible. If this is NULL, it is assumed that
/// the encoder is fast enough with single thread.
uint64_t (*block_size)(const void *options);
/// Tells the size of the Filter Properties field. If options are
/// invalid, UINT32_MAX is returned. If this is NULL, props_size_fixed
/// is used.
lzma_ret (*props_size_get)(uint32_t *size, const void *options);
uint32_t props_size_fixed;
/// Encodes Filter Properties.
///
/// \return - LZMA_OK: Properties encoded successfully.
/// - LZMA_OPTIONS_ERROR: Unsupported options
/// - LZMA_PROG_ERROR: Invalid options or not enough
/// output space
lzma_ret (*props_encode)(const void *options, uint8_t *out);
} lzma_filter_encoder;
static const lzma_filter_encoder encoders[] = {
#ifdef HAVE_ENCODER_LZMA1
{
.id = LZMA_FILTER_LZMA1,
.init = &lzma_lzma_encoder_init,
.memusage = &lzma_lzma_encoder_memusage,
.block_size = NULL, // FIXME
.props_size_get = NULL,
.props_size_fixed = 5,
.props_encode = &lzma_lzma_props_encode,
},
#endif
#ifdef HAVE_ENCODER_LZMA2
{
.id = LZMA_FILTER_LZMA2,
.init = &lzma_lzma2_encoder_init,
.memusage = &lzma_lzma2_encoder_memusage,
.block_size = &lzma_lzma2_block_size, // FIXME
.props_size_get = NULL,
.props_size_fixed = 1,
.props_encode = &lzma_lzma2_props_encode,
},
#endif
#ifdef HAVE_ENCODER_X86
{
.id = LZMA_FILTER_X86,
.init = &lzma_simple_x86_encoder_init,
.memusage = NULL,
.block_size = NULL,
.props_size_get = &lzma_simple_props_size,
.props_encode = &lzma_simple_props_encode,
},
#endif
#ifdef HAVE_ENCODER_POWERPC
{
.id = LZMA_FILTER_POWERPC,
.init = &lzma_simple_powerpc_encoder_init,
.memusage = NULL,
.block_size = NULL,
.props_size_get = &lzma_simple_props_size,
.props_encode = &lzma_simple_props_encode,
},
#endif
#ifdef HAVE_ENCODER_IA64
{
.id = LZMA_FILTER_IA64,
.init = &lzma_simple_ia64_encoder_init,
.memusage = NULL,
.block_size = NULL,
.props_size_get = &lzma_simple_props_size,
.props_encode = &lzma_simple_props_encode,
},
#endif
#ifdef HAVE_ENCODER_ARM
{
.id = LZMA_FILTER_ARM,
.init = &lzma_simple_arm_encoder_init,
.memusage = NULL,
.block_size = NULL,
.props_size_get = &lzma_simple_props_size,
.props_encode = &lzma_simple_props_encode,
},
#endif
#ifdef HAVE_ENCODER_ARMTHUMB
{
.id = LZMA_FILTER_ARMTHUMB,
.init = &lzma_simple_armthumb_encoder_init,
.memusage = NULL,
.block_size = NULL,
.props_size_get = &lzma_simple_props_size,
.props_encode = &lzma_simple_props_encode,
},
#endif
#ifdef HAVE_ENCODER_SPARC
{
.id = LZMA_FILTER_SPARC,
.init = &lzma_simple_sparc_encoder_init,
.memusage = NULL,
.block_size = NULL,
.props_size_get = &lzma_simple_props_size,
.props_encode = &lzma_simple_props_encode,
},
#endif
#ifdef HAVE_ENCODER_DELTA
{
.id = LZMA_FILTER_DELTA,
.init = &lzma_delta_encoder_init,
.memusage = &lzma_delta_coder_memusage,
.block_size = NULL,
.props_size_get = NULL,
.props_size_fixed = 1,
.props_encode = &lzma_delta_props_encode,
},
#endif
};
static const lzma_filter_encoder *
encoder_find(lzma_vli id)
{
for (size_t i = 0; i < ARRAY_SIZE(encoders); ++i)
if (encoders[i].id == id)
return encoders + i;
return NULL;
}
extern LZMA_API(lzma_bool)
lzma_filter_encoder_is_supported(lzma_vli id)
{
return encoder_find(id) != NULL;
}
extern LZMA_API(lzma_ret)
lzma_filters_update(lzma_stream *strm, const lzma_filter *filters)
{
if (strm->internal->next.update == NULL)
return LZMA_PROG_ERROR;
// Validate the filter chain.
if (lzma_raw_encoder_memusage(filters) == UINT64_MAX)
return LZMA_OPTIONS_ERROR;
// The actual filter chain in the encoder is reversed. Some things
// still want the normal order chain, so we provide both.
size_t count = 1;
while (filters[count].id != LZMA_VLI_UNKNOWN)
++count;
lzma_filter reversed_filters[LZMA_FILTERS_MAX + 1];
for (size_t i = 0; i < count; ++i)
reversed_filters[count - i - 1] = filters[i];
reversed_filters[count].id = LZMA_VLI_UNKNOWN;
return strm->internal->next.update(strm->internal->next.coder,
strm->allocator, filters, reversed_filters);
}
extern lzma_ret
lzma_raw_encoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
const lzma_filter *options)
{
return lzma_raw_coder_init(next, allocator,
options, (lzma_filter_find)(&encoder_find), true);
}
extern LZMA_API(lzma_ret)
lzma_raw_encoder(lzma_stream *strm, const lzma_filter *options)
{
lzma_next_strm_init(lzma_raw_coder_init, strm, options,
(lzma_filter_find)(&encoder_find), true);
strm->internal->supported_actions[LZMA_RUN] = true;
strm->internal->supported_actions[LZMA_SYNC_FLUSH] = true;
strm->internal->supported_actions[LZMA_FINISH] = true;
return LZMA_OK;
}
extern LZMA_API(uint64_t)
lzma_raw_encoder_memusage(const lzma_filter *filters)
{
return lzma_raw_coder_memusage(
(lzma_filter_find)(&encoder_find), filters);
}
extern uint64_t
lzma_mt_block_size(const lzma_filter *filters)
{
uint64_t max = 0;
for (size_t i = 0; filters[i].id != LZMA_VLI_UNKNOWN; ++i) {
const lzma_filter_encoder *const fe
= encoder_find(filters[i].id);
if (fe->block_size != NULL) {
const uint64_t size
= fe->block_size(filters[i].options);
if (size == 0)
return 0;
if (size > max)
max = size;
}
}
return max;
}
extern LZMA_API(lzma_ret)
lzma_properties_size(uint32_t *size, const lzma_filter *filter)
{
const lzma_filter_encoder *const fe = encoder_find(filter->id);
if (fe == NULL) {
// Unknown filter - if the Filter ID is a proper VLI,
// return LZMA_OPTIONS_ERROR instead of LZMA_PROG_ERROR,
// because it's possible that we just don't have support
// compiled in for the requested filter.
return filter->id <= LZMA_VLI_MAX
? LZMA_OPTIONS_ERROR : LZMA_PROG_ERROR;
}
if (fe->props_size_get == NULL) {
// No props_size_get() function, use props_size_fixed.
*size = fe->props_size_fixed;
return LZMA_OK;
}
return fe->props_size_get(size, filter->options);
}
extern LZMA_API(lzma_ret)
lzma_properties_encode(const lzma_filter *filter, uint8_t *props)
{
const lzma_filter_encoder *const fe = encoder_find(filter->id);
if (fe == NULL)
return LZMA_PROG_ERROR;
if (fe->props_encode == NULL)
return LZMA_OK;
return fe->props_encode(filter->options, props);
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file filter_encoder.c
/// \brief Filter ID mapping to filter-specific functions
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef LZMA_FILTER_ENCODER_H
#define LZMA_FILTER_ENCODER_H
#include "common.h"
// FIXME: Might become a part of the public API.
extern uint64_t lzma_mt_block_size(const lzma_filter *filters);
extern lzma_ret lzma_raw_encoder_init(
lzma_next_coder *next, const lzma_allocator *allocator,
const lzma_filter *filters);
#endif

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///////////////////////////////////////////////////////////////////////////////
//
/// \file filter_flags_decoder.c
/// \brief Decodes a Filter Flags field
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "filter_decoder.h"
extern LZMA_API(lzma_ret)
lzma_filter_flags_decode(
lzma_filter *filter, const lzma_allocator *allocator,
const uint8_t *in, size_t *in_pos, size_t in_size)
{
// Set the pointer to NULL so the caller can always safely free it.
filter->options = NULL;
// Filter ID
return_if_error(lzma_vli_decode(&filter->id, NULL,
in, in_pos, in_size));
if (filter->id >= LZMA_FILTER_RESERVED_START)
return LZMA_DATA_ERROR;
// Size of Properties
lzma_vli props_size;
return_if_error(lzma_vli_decode(&props_size, NULL,
in, in_pos, in_size));
// Filter Properties
if (in_size - *in_pos < props_size)
return LZMA_DATA_ERROR;
const lzma_ret ret = lzma_properties_decode(
filter, allocator, in + *in_pos, props_size);
*in_pos += props_size;
return ret;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file filter_flags_encoder.c
/// \brief Decodes a Filter Flags field
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "filter_encoder.h"
extern LZMA_API(lzma_ret)
lzma_filter_flags_size(uint32_t *size, const lzma_filter *filter)
{
if (filter->id >= LZMA_FILTER_RESERVED_START)
return LZMA_PROG_ERROR;
return_if_error(lzma_properties_size(size, filter));
*size += lzma_vli_size(filter->id) + lzma_vli_size(*size);
return LZMA_OK;
}
extern LZMA_API(lzma_ret)
lzma_filter_flags_encode(const lzma_filter *filter,
uint8_t *out, size_t *out_pos, size_t out_size)
{
// Filter ID
if (filter->id >= LZMA_FILTER_RESERVED_START)
return LZMA_PROG_ERROR;
return_if_error(lzma_vli_encode(filter->id, NULL,
out, out_pos, out_size));
// Size of Properties
uint32_t props_size;
return_if_error(lzma_properties_size(&props_size, filter));
return_if_error(lzma_vli_encode(props_size, NULL,
out, out_pos, out_size));
// Filter Properties
if (out_size - *out_pos < props_size)
return LZMA_PROG_ERROR;
return_if_error(lzma_properties_encode(filter, out + *out_pos));
*out_pos += props_size;
return LZMA_OK;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file hardware_cputhreads.c
/// \brief Get the number of CPU threads or cores
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "common.h"
#include "tuklib_cpucores.h"
extern LZMA_API(uint32_t)
lzma_cputhreads(void)
{
return tuklib_cpucores();
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file hardware_physmem.c
/// \brief Get the total amount of physical memory (RAM)
//
// Author: Jonathan Nieder
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "common.h"
#include "tuklib_physmem.h"
extern LZMA_API(uint64_t)
lzma_physmem(void)
{
// It is simpler to make lzma_physmem() a wrapper for
// tuklib_physmem() than to hack appropriate symbol visiblity
// support for the tuklib modules.
return tuklib_physmem();
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file index.h
/// \brief Handling of Index
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef LZMA_INDEX_H
#define LZMA_INDEX_H
#include "common.h"
/// Minimum Unpadded Size
#define UNPADDED_SIZE_MIN LZMA_VLI_C(5)
/// Maximum Unpadded Size
#define UNPADDED_SIZE_MAX (LZMA_VLI_MAX & ~LZMA_VLI_C(3))
/// Get the size of the Index Padding field. This is needed by Index encoder
/// and decoder, but applications should have no use for this.
extern uint32_t lzma_index_padding_size(const lzma_index *i);
/// Set for how many Records to allocate memory the next time
/// lzma_index_append() needs to allocate space for a new Record.
/// This is used only by the Index decoder.
extern void lzma_index_prealloc(lzma_index *i, lzma_vli records);
/// Round the variable-length integer to the next multiple of four.
static inline lzma_vli
vli_ceil4(lzma_vli vli)
{
assert(vli <= LZMA_VLI_MAX);
return (vli + 3) & ~LZMA_VLI_C(3);
}
/// Calculate the size of the Index field excluding Index Padding
static inline lzma_vli
index_size_unpadded(lzma_vli count, lzma_vli index_list_size)
{
// Index Indicator + Number of Records + List of Records + CRC32
return 1 + lzma_vli_size(count) + index_list_size + 4;
}
/// Calculate the size of the Index field including Index Padding
static inline lzma_vli
index_size(lzma_vli count, lzma_vli index_list_size)
{
return vli_ceil4(index_size_unpadded(count, index_list_size));
}
/// Calculate the total size of the Stream
static inline lzma_vli
index_stream_size(lzma_vli blocks_size,
lzma_vli count, lzma_vli index_list_size)
{
return LZMA_STREAM_HEADER_SIZE + blocks_size
+ index_size(count, index_list_size)
+ LZMA_STREAM_HEADER_SIZE;
}
#endif

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///////////////////////////////////////////////////////////////////////////////
//
/// \file index_decoder.c
/// \brief Decodes the Index field
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "index.h"
#include "check.h"
typedef struct {
enum {
SEQ_INDICATOR,
SEQ_COUNT,
SEQ_MEMUSAGE,
SEQ_UNPADDED,
SEQ_UNCOMPRESSED,
SEQ_PADDING_INIT,
SEQ_PADDING,
SEQ_CRC32,
} sequence;
/// Memory usage limit
uint64_t memlimit;
/// Target Index
lzma_index *index;
/// Pointer give by the application, which is set after
/// successful decoding.
lzma_index **index_ptr;
/// Number of Records left to decode.
lzma_vli count;
/// The most recent Unpadded Size field
lzma_vli unpadded_size;
/// The most recent Uncompressed Size field
lzma_vli uncompressed_size;
/// Position in integers
size_t pos;
/// CRC32 of the List of Records field
uint32_t crc32;
} lzma_index_coder;
static lzma_ret
index_decode(void *coder_ptr, const lzma_allocator *allocator,
const uint8_t *restrict in, size_t *restrict in_pos,
size_t in_size,
uint8_t *restrict out lzma_attribute((__unused__)),
size_t *restrict out_pos lzma_attribute((__unused__)),
size_t out_size lzma_attribute((__unused__)),
lzma_action action lzma_attribute((__unused__)))
{
lzma_index_coder *coder = coder_ptr;
// Similar optimization as in index_encoder.c
const size_t in_start = *in_pos;
lzma_ret ret = LZMA_OK;
while (*in_pos < in_size)
switch (coder->sequence) {
case SEQ_INDICATOR:
// Return LZMA_DATA_ERROR instead of e.g. LZMA_PROG_ERROR or
// LZMA_FORMAT_ERROR, because a typical usage case for Index
// decoder is when parsing the Stream backwards. If seeking
// backward from the Stream Footer gives us something that
// doesn't begin with Index Indicator, the file is considered
// corrupt, not "programming error" or "unrecognized file
// format". One could argue that the application should
// verify the Index Indicator before trying to decode the
// Index, but well, I suppose it is simpler this way.
if (in[(*in_pos)++] != 0x00)
return LZMA_DATA_ERROR;
coder->sequence = SEQ_COUNT;
break;
case SEQ_COUNT:
ret = lzma_vli_decode(&coder->count, &coder->pos,
in, in_pos, in_size);
if (ret != LZMA_STREAM_END)
goto out;
coder->pos = 0;
coder->sequence = SEQ_MEMUSAGE;
// Fall through
case SEQ_MEMUSAGE:
if (lzma_index_memusage(1, coder->count) > coder->memlimit) {
ret = LZMA_MEMLIMIT_ERROR;
goto out;
}
// Tell the Index handling code how many Records this
// Index has to allow it to allocate memory more efficiently.
lzma_index_prealloc(coder->index, coder->count);
ret = LZMA_OK;
coder->sequence = coder->count == 0
? SEQ_PADDING_INIT : SEQ_UNPADDED;
break;
case SEQ_UNPADDED:
case SEQ_UNCOMPRESSED: {
lzma_vli *size = coder->sequence == SEQ_UNPADDED
? &coder->unpadded_size
: &coder->uncompressed_size;
ret = lzma_vli_decode(size, &coder->pos,
in, in_pos, in_size);
if (ret != LZMA_STREAM_END)
goto out;
ret = LZMA_OK;
coder->pos = 0;
if (coder->sequence == SEQ_UNPADDED) {
// Validate that encoded Unpadded Size isn't too small
// or too big.
if (coder->unpadded_size < UNPADDED_SIZE_MIN
|| coder->unpadded_size
> UNPADDED_SIZE_MAX)
return LZMA_DATA_ERROR;
coder->sequence = SEQ_UNCOMPRESSED;
} else {
// Add the decoded Record to the Index.
return_if_error(lzma_index_append(
coder->index, allocator,
coder->unpadded_size,
coder->uncompressed_size));
// Check if this was the last Record.
coder->sequence = --coder->count == 0
? SEQ_PADDING_INIT
: SEQ_UNPADDED;
}
break;
}
case SEQ_PADDING_INIT:
coder->pos = lzma_index_padding_size(coder->index);
coder->sequence = SEQ_PADDING;
// Fall through
case SEQ_PADDING:
if (coder->pos > 0) {
--coder->pos;
if (in[(*in_pos)++] != 0x00)
return LZMA_DATA_ERROR;
break;
}
// Finish the CRC32 calculation.
coder->crc32 = lzma_crc32(in + in_start,
*in_pos - in_start, coder->crc32);
coder->sequence = SEQ_CRC32;
// Fall through
case SEQ_CRC32:
do {
if (*in_pos == in_size)
return LZMA_OK;
if (((coder->crc32 >> (coder->pos * 8)) & 0xFF)
!= in[(*in_pos)++])
return LZMA_DATA_ERROR;
} while (++coder->pos < 4);
// Decoding was successful, now we can let the application
// see the decoded Index.
*coder->index_ptr = coder->index;
// Make index NULL so we don't free it unintentionally.
coder->index = NULL;
return LZMA_STREAM_END;
default:
assert(0);
return LZMA_PROG_ERROR;
}
out:
// Update the CRC32,
coder->crc32 = lzma_crc32(in + in_start,
*in_pos - in_start, coder->crc32);
return ret;
}
static void
index_decoder_end(void *coder_ptr, const lzma_allocator *allocator)
{
lzma_index_coder *coder = coder_ptr;
lzma_index_end(coder->index, allocator);
lzma_free(coder, allocator);
return;
}
static lzma_ret
index_decoder_memconfig(void *coder_ptr, uint64_t *memusage,
uint64_t *old_memlimit, uint64_t new_memlimit)
{
lzma_index_coder *coder = coder_ptr;
*memusage = lzma_index_memusage(1, coder->count);
*old_memlimit = coder->memlimit;
if (new_memlimit != 0) {
if (new_memlimit < *memusage)
return LZMA_MEMLIMIT_ERROR;
coder->memlimit = new_memlimit;
}
return LZMA_OK;
}
static lzma_ret
index_decoder_reset(lzma_index_coder *coder, const lzma_allocator *allocator,
lzma_index **i, uint64_t memlimit)
{
// Remember the pointer given by the application. We will set it
// to point to the decoded Index only if decoding is successful.
// Before that, keep it NULL so that applications can always safely
// pass it to lzma_index_end() no matter did decoding succeed or not.
coder->index_ptr = i;
*i = NULL;
// We always allocate a new lzma_index.
coder->index = lzma_index_init(allocator);
if (coder->index == NULL)
return LZMA_MEM_ERROR;
// Initialize the rest.
coder->sequence = SEQ_INDICATOR;
coder->memlimit = my_max(1, memlimit);
coder->count = 0; // Needs to be initialized due to _memconfig().
coder->pos = 0;
coder->crc32 = 0;
return LZMA_OK;
}
static lzma_ret
index_decoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
lzma_index **i, uint64_t memlimit)
{
lzma_next_coder_init(&index_decoder_init, next, allocator);
if (i == NULL)
return LZMA_PROG_ERROR;
lzma_index_coder *coder = next->coder;
if (coder == NULL) {
coder = lzma_alloc(sizeof(lzma_index_coder), allocator);
if (coder == NULL)
return LZMA_MEM_ERROR;
next->coder = coder;
next->code = &index_decode;
next->end = &index_decoder_end;
next->memconfig = &index_decoder_memconfig;
coder->index = NULL;
} else {
lzma_index_end(coder->index, allocator);
}
return index_decoder_reset(coder, allocator, i, memlimit);
}
extern LZMA_API(lzma_ret)
lzma_index_decoder(lzma_stream *strm, lzma_index **i, uint64_t memlimit)
{
lzma_next_strm_init(index_decoder_init, strm, i, memlimit);
strm->internal->supported_actions[LZMA_RUN] = true;
strm->internal->supported_actions[LZMA_FINISH] = true;
return LZMA_OK;
}
extern LZMA_API(lzma_ret)
lzma_index_buffer_decode(lzma_index **i, uint64_t *memlimit,
const lzma_allocator *allocator,
const uint8_t *in, size_t *in_pos, size_t in_size)
{
// Sanity checks
if (i == NULL || memlimit == NULL
|| in == NULL || in_pos == NULL || *in_pos > in_size)
return LZMA_PROG_ERROR;
// Initialize the decoder.
lzma_index_coder coder;
return_if_error(index_decoder_reset(&coder, allocator, i, *memlimit));
// Store the input start position so that we can restore it in case
// of an error.
const size_t in_start = *in_pos;
// Do the actual decoding.
lzma_ret ret = index_decode(&coder, allocator, in, in_pos, in_size,
NULL, NULL, 0, LZMA_RUN);
if (ret == LZMA_STREAM_END) {
ret = LZMA_OK;
} else {
// Something went wrong, free the Index structure and restore
// the input position.
lzma_index_end(coder.index, allocator);
*in_pos = in_start;
if (ret == LZMA_OK) {
// The input is truncated or otherwise corrupt.
// Use LZMA_DATA_ERROR instead of LZMA_BUF_ERROR
// like lzma_vli_decode() does in single-call mode.
ret = LZMA_DATA_ERROR;
} else if (ret == LZMA_MEMLIMIT_ERROR) {
// Tell the caller how much memory would have
// been needed.
*memlimit = lzma_index_memusage(1, coder.count);
}
}
return ret;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file index_encoder.c
/// \brief Encodes the Index field
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "index_encoder.h"
#include "index.h"
#include "check.h"
typedef struct {
enum {
SEQ_INDICATOR,
SEQ_COUNT,
SEQ_UNPADDED,
SEQ_UNCOMPRESSED,
SEQ_NEXT,
SEQ_PADDING,
SEQ_CRC32,
} sequence;
/// Index being encoded
const lzma_index *index;
/// Iterator for the Index being encoded
lzma_index_iter iter;
/// Position in integers
size_t pos;
/// CRC32 of the List of Records field
uint32_t crc32;
} lzma_index_coder;
static lzma_ret
index_encode(void *coder_ptr,
const lzma_allocator *allocator lzma_attribute((__unused__)),
const uint8_t *restrict in lzma_attribute((__unused__)),
size_t *restrict in_pos lzma_attribute((__unused__)),
size_t in_size lzma_attribute((__unused__)),
uint8_t *restrict out, size_t *restrict out_pos,
size_t out_size,
lzma_action action lzma_attribute((__unused__)))
{
lzma_index_coder *coder = coder_ptr;
// Position where to start calculating CRC32. The idea is that we
// need to call lzma_crc32() only once per call to index_encode().
const size_t out_start = *out_pos;
// Return value to use if we return at the end of this function.
// We use "goto out" to jump out of the while-switch construct
// instead of returning directly, because that way we don't need
// to copypaste the lzma_crc32() call to many places.
lzma_ret ret = LZMA_OK;
while (*out_pos < out_size)
switch (coder->sequence) {
case SEQ_INDICATOR:
out[*out_pos] = 0x00;
++*out_pos;
coder->sequence = SEQ_COUNT;
break;
case SEQ_COUNT: {
const lzma_vli count = lzma_index_block_count(coder->index);
ret = lzma_vli_encode(count, &coder->pos,
out, out_pos, out_size);
if (ret != LZMA_STREAM_END)
goto out;
ret = LZMA_OK;
coder->pos = 0;
coder->sequence = SEQ_NEXT;
break;
}
case SEQ_NEXT:
if (lzma_index_iter_next(
&coder->iter, LZMA_INDEX_ITER_BLOCK)) {
// Get the size of the Index Padding field.
coder->pos = lzma_index_padding_size(coder->index);
assert(coder->pos <= 3);
coder->sequence = SEQ_PADDING;
break;
}
coder->sequence = SEQ_UNPADDED;
// Fall through
case SEQ_UNPADDED:
case SEQ_UNCOMPRESSED: {
const lzma_vli size = coder->sequence == SEQ_UNPADDED
? coder->iter.block.unpadded_size
: coder->iter.block.uncompressed_size;
ret = lzma_vli_encode(size, &coder->pos,
out, out_pos, out_size);
if (ret != LZMA_STREAM_END)
goto out;
ret = LZMA_OK;
coder->pos = 0;
// Advance to SEQ_UNCOMPRESSED or SEQ_NEXT.
++coder->sequence;
break;
}
case SEQ_PADDING:
if (coder->pos > 0) {
--coder->pos;
out[(*out_pos)++] = 0x00;
break;
}
// Finish the CRC32 calculation.
coder->crc32 = lzma_crc32(out + out_start,
*out_pos - out_start, coder->crc32);
coder->sequence = SEQ_CRC32;
// Fall through
case SEQ_CRC32:
// We don't use the main loop, because we don't want
// coder->crc32 to be touched anymore.
do {
if (*out_pos == out_size)
return LZMA_OK;
out[*out_pos] = (coder->crc32 >> (coder->pos * 8))
& 0xFF;
++*out_pos;
} while (++coder->pos < 4);
return LZMA_STREAM_END;
default:
assert(0);
return LZMA_PROG_ERROR;
}
out:
// Update the CRC32.
coder->crc32 = lzma_crc32(out + out_start,
*out_pos - out_start, coder->crc32);
return ret;
}
static void
index_encoder_end(void *coder, const lzma_allocator *allocator)
{
lzma_free(coder, allocator);
return;
}
static void
index_encoder_reset(lzma_index_coder *coder, const lzma_index *i)
{
lzma_index_iter_init(&coder->iter, i);
coder->sequence = SEQ_INDICATOR;
coder->index = i;
coder->pos = 0;
coder->crc32 = 0;
return;
}
extern lzma_ret
lzma_index_encoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
const lzma_index *i)
{
lzma_next_coder_init(&lzma_index_encoder_init, next, allocator);
if (i == NULL)
return LZMA_PROG_ERROR;
if (next->coder == NULL) {
next->coder = lzma_alloc(sizeof(lzma_index_coder), allocator);
if (next->coder == NULL)
return LZMA_MEM_ERROR;
next->code = &index_encode;
next->end = &index_encoder_end;
}
index_encoder_reset(next->coder, i);
return LZMA_OK;
}
extern LZMA_API(lzma_ret)
lzma_index_encoder(lzma_stream *strm, const lzma_index *i)
{
lzma_next_strm_init(lzma_index_encoder_init, strm, i);
strm->internal->supported_actions[LZMA_RUN] = true;
strm->internal->supported_actions[LZMA_FINISH] = true;
return LZMA_OK;
}
extern LZMA_API(lzma_ret)
lzma_index_buffer_encode(const lzma_index *i,
uint8_t *out, size_t *out_pos, size_t out_size)
{
// Validate the arguments.
if (i == NULL || out == NULL || out_pos == NULL || *out_pos > out_size)
return LZMA_PROG_ERROR;
// Don't try to encode if there's not enough output space.
if (out_size - *out_pos < lzma_index_size(i))
return LZMA_BUF_ERROR;
// The Index encoder needs just one small data structure so we can
// allocate it on stack.
lzma_index_coder coder;
index_encoder_reset(&coder, i);
// Do the actual encoding. This should never fail, but store
// the original *out_pos just in case.
const size_t out_start = *out_pos;
lzma_ret ret = index_encode(&coder, NULL, NULL, NULL, 0,
out, out_pos, out_size, LZMA_RUN);
if (ret == LZMA_STREAM_END) {
ret = LZMA_OK;
} else {
// We should never get here, but just in case, restore the
// output position and set the error accordingly if something
// goes wrong and debugging isn't enabled.
assert(0);
*out_pos = out_start;
ret = LZMA_PROG_ERROR;
}
return ret;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file index_encoder.h
/// \brief Encodes the Index field
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef LZMA_INDEX_ENCODER_H
#define LZMA_INDEX_ENCODER_H
#include "common.h"
extern lzma_ret lzma_index_encoder_init(lzma_next_coder *next,
const lzma_allocator *allocator, const lzma_index *i);
#endif

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///////////////////////////////////////////////////////////////////////////////
//
/// \file index_hash.c
/// \brief Validates Index by using a hash function
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "common.h"
#include "index.h"
#include "check.h"
typedef struct {
/// Sum of the Block sizes (including Block Padding)
lzma_vli blocks_size;
/// Sum of the Uncompressed Size fields
lzma_vli uncompressed_size;
/// Number of Records
lzma_vli count;
/// Size of the List of Index Records as bytes
lzma_vli index_list_size;
/// Check calculated from Unpadded Sizes and Uncompressed Sizes.
lzma_check_state check;
} lzma_index_hash_info;
struct lzma_index_hash_s {
enum {
SEQ_BLOCK,
SEQ_COUNT,
SEQ_UNPADDED,
SEQ_UNCOMPRESSED,
SEQ_PADDING_INIT,
SEQ_PADDING,
SEQ_CRC32,
} sequence;
/// Information collected while decoding the actual Blocks.
lzma_index_hash_info blocks;
/// Information collected from the Index field.
lzma_index_hash_info records;
/// Number of Records not fully decoded
lzma_vli remaining;
/// Unpadded Size currently being read from an Index Record.
lzma_vli unpadded_size;
/// Uncompressed Size currently being read from an Index Record.
lzma_vli uncompressed_size;
/// Position in variable-length integers when decoding them from
/// the List of Records.
size_t pos;
/// CRC32 of the Index
uint32_t crc32;
};
extern LZMA_API(lzma_index_hash *)
lzma_index_hash_init(lzma_index_hash *index_hash,
const lzma_allocator *allocator)
{
if (index_hash == NULL) {
index_hash = lzma_alloc(sizeof(lzma_index_hash), allocator);
if (index_hash == NULL)
return NULL;
}
index_hash->sequence = SEQ_BLOCK;
index_hash->blocks.blocks_size = 0;
index_hash->blocks.uncompressed_size = 0;
index_hash->blocks.count = 0;
index_hash->blocks.index_list_size = 0;
index_hash->records.blocks_size = 0;
index_hash->records.uncompressed_size = 0;
index_hash->records.count = 0;
index_hash->records.index_list_size = 0;
index_hash->unpadded_size = 0;
index_hash->uncompressed_size = 0;
index_hash->pos = 0;
index_hash->crc32 = 0;
// These cannot fail because LZMA_CHECK_BEST is known to be supported.
(void)lzma_check_init(&index_hash->blocks.check, LZMA_CHECK_BEST);
(void)lzma_check_init(&index_hash->records.check, LZMA_CHECK_BEST);
return index_hash;
}
extern LZMA_API(void)
lzma_index_hash_end(lzma_index_hash *index_hash,
const lzma_allocator *allocator)
{
lzma_free(index_hash, allocator);
return;
}
extern LZMA_API(lzma_vli)
lzma_index_hash_size(const lzma_index_hash *index_hash)
{
// Get the size of the Index from ->blocks instead of ->records for
// cases where application wants to know the Index Size before
// decoding the Index.
return index_size(index_hash->blocks.count,
index_hash->blocks.index_list_size);
}
/// Updates the sizes and the hash without any validation.
static lzma_ret
hash_append(lzma_index_hash_info *info, lzma_vli unpadded_size,
lzma_vli uncompressed_size)
{
info->blocks_size += vli_ceil4(unpadded_size);
info->uncompressed_size += uncompressed_size;
info->index_list_size += lzma_vli_size(unpadded_size)
+ lzma_vli_size(uncompressed_size);
++info->count;
const lzma_vli sizes[2] = { unpadded_size, uncompressed_size };
lzma_check_update(&info->check, LZMA_CHECK_BEST,
(const uint8_t *)(sizes), sizeof(sizes));
return LZMA_OK;
}
extern LZMA_API(lzma_ret)
lzma_index_hash_append(lzma_index_hash *index_hash, lzma_vli unpadded_size,
lzma_vli uncompressed_size)
{
// Validate the arguments.
if (index_hash->sequence != SEQ_BLOCK
|| unpadded_size < UNPADDED_SIZE_MIN
|| unpadded_size > UNPADDED_SIZE_MAX
|| uncompressed_size > LZMA_VLI_MAX)
return LZMA_PROG_ERROR;
// Update the hash.
return_if_error(hash_append(&index_hash->blocks,
unpadded_size, uncompressed_size));
// Validate the properties of *info are still in allowed limits.
if (index_hash->blocks.blocks_size > LZMA_VLI_MAX
|| index_hash->blocks.uncompressed_size > LZMA_VLI_MAX
|| index_size(index_hash->blocks.count,
index_hash->blocks.index_list_size)
> LZMA_BACKWARD_SIZE_MAX
|| index_stream_size(index_hash->blocks.blocks_size,
index_hash->blocks.count,
index_hash->blocks.index_list_size)
> LZMA_VLI_MAX)
return LZMA_DATA_ERROR;
return LZMA_OK;
}
extern LZMA_API(lzma_ret)
lzma_index_hash_decode(lzma_index_hash *index_hash, const uint8_t *in,
size_t *in_pos, size_t in_size)
{
// Catch zero input buffer here, because in contrast to Index encoder
// and decoder functions, applications call this function directly
// instead of via lzma_code(), which does the buffer checking.
if (*in_pos >= in_size)
return LZMA_BUF_ERROR;
// NOTE: This function has many similarities to index_encode() and
// index_decode() functions found from index_encoder.c and
// index_decoder.c. See the comments especially in index_encoder.c.
const size_t in_start = *in_pos;
lzma_ret ret = LZMA_OK;
while (*in_pos < in_size)
switch (index_hash->sequence) {
case SEQ_BLOCK:
// Check the Index Indicator is present.
if (in[(*in_pos)++] != 0x00)
return LZMA_DATA_ERROR;
index_hash->sequence = SEQ_COUNT;
break;
case SEQ_COUNT: {
ret = lzma_vli_decode(&index_hash->remaining,
&index_hash->pos, in, in_pos, in_size);
if (ret != LZMA_STREAM_END)
goto out;
// The count must match the count of the Blocks decoded.
if (index_hash->remaining != index_hash->blocks.count)
return LZMA_DATA_ERROR;
ret = LZMA_OK;
index_hash->pos = 0;
// Handle the special case when there are no Blocks.
index_hash->sequence = index_hash->remaining == 0
? SEQ_PADDING_INIT : SEQ_UNPADDED;
break;
}
case SEQ_UNPADDED:
case SEQ_UNCOMPRESSED: {
lzma_vli *size = index_hash->sequence == SEQ_UNPADDED
? &index_hash->unpadded_size
: &index_hash->uncompressed_size;
ret = lzma_vli_decode(size, &index_hash->pos,
in, in_pos, in_size);
if (ret != LZMA_STREAM_END)
goto out;
ret = LZMA_OK;
index_hash->pos = 0;
if (index_hash->sequence == SEQ_UNPADDED) {
if (index_hash->unpadded_size < UNPADDED_SIZE_MIN
|| index_hash->unpadded_size
> UNPADDED_SIZE_MAX)
return LZMA_DATA_ERROR;
index_hash->sequence = SEQ_UNCOMPRESSED;
} else {
// Update the hash.
return_if_error(hash_append(&index_hash->records,
index_hash->unpadded_size,
index_hash->uncompressed_size));
// Verify that we don't go over the known sizes. Note
// that this validation is simpler than the one used
// in lzma_index_hash_append(), because here we know
// that values in index_hash->blocks are already
// validated and we are fine as long as we don't
// exceed them in index_hash->records.
if (index_hash->blocks.blocks_size
< index_hash->records.blocks_size
|| index_hash->blocks.uncompressed_size
< index_hash->records.uncompressed_size
|| index_hash->blocks.index_list_size
< index_hash->records.index_list_size)
return LZMA_DATA_ERROR;
// Check if this was the last Record.
index_hash->sequence = --index_hash->remaining == 0
? SEQ_PADDING_INIT : SEQ_UNPADDED;
}
break;
}
case SEQ_PADDING_INIT:
index_hash->pos = (LZMA_VLI_C(4) - index_size_unpadded(
index_hash->records.count,
index_hash->records.index_list_size)) & 3;
index_hash->sequence = SEQ_PADDING;
// Fall through
case SEQ_PADDING:
if (index_hash->pos > 0) {
--index_hash->pos;
if (in[(*in_pos)++] != 0x00)
return LZMA_DATA_ERROR;
break;
}
// Compare the sizes.
if (index_hash->blocks.blocks_size
!= index_hash->records.blocks_size
|| index_hash->blocks.uncompressed_size
!= index_hash->records.uncompressed_size
|| index_hash->blocks.index_list_size
!= index_hash->records.index_list_size)
return LZMA_DATA_ERROR;
// Finish the hashes and compare them.
lzma_check_finish(&index_hash->blocks.check, LZMA_CHECK_BEST);
lzma_check_finish(&index_hash->records.check, LZMA_CHECK_BEST);
if (memcmp(index_hash->blocks.check.buffer.u8,
index_hash->records.check.buffer.u8,
lzma_check_size(LZMA_CHECK_BEST)) != 0)
return LZMA_DATA_ERROR;
// Finish the CRC32 calculation.
index_hash->crc32 = lzma_crc32(in + in_start,
*in_pos - in_start, index_hash->crc32);
index_hash->sequence = SEQ_CRC32;
// Fall through
case SEQ_CRC32:
do {
if (*in_pos == in_size)
return LZMA_OK;
if (((index_hash->crc32 >> (index_hash->pos * 8))
& 0xFF) != in[(*in_pos)++])
return LZMA_DATA_ERROR;
} while (++index_hash->pos < 4);
return LZMA_STREAM_END;
default:
assert(0);
return LZMA_PROG_ERROR;
}
out:
// Update the CRC32,
index_hash->crc32 = lzma_crc32(in + in_start,
*in_pos - in_start, index_hash->crc32);
return ret;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file memcmplen.h
/// \brief Optimized comparison of two buffers
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef LZMA_MEMCMPLEN_H
#define LZMA_MEMCMPLEN_H
#include "common.h"
#ifdef HAVE_IMMINTRIN_H
# include <immintrin.h>
#endif
/// Find out how many equal bytes the two buffers have.
///
/// \param buf1 First buffer
/// \param buf2 Second buffer
/// \param len How many bytes have already been compared and will
/// be assumed to match
/// \param limit How many bytes to compare at most, including the
/// already-compared bytes. This must be significantly
/// smaller than UINT32_MAX to avoid integer overflows.
/// Up to LZMA_MEMCMPLEN_EXTRA bytes may be read past
/// the specified limit from both buf1 and buf2.
///
/// \return Number of equal bytes in the buffers is returned.
/// This is always at least len and at most limit.
///
/// \note LZMA_MEMCMPLEN_EXTRA defines how many extra bytes may be read.
/// It's rounded up to 2^n. This extra amount needs to be
/// allocated in the buffers being used. It needs to be
/// initialized too to keep Valgrind quiet.
static inline uint32_t lzma_attribute((__always_inline__))
lzma_memcmplen(const uint8_t *buf1, const uint8_t *buf2,
uint32_t len, uint32_t limit)
{
assert(len <= limit);
assert(limit <= UINT32_MAX / 2);
#if defined(TUKLIB_FAST_UNALIGNED_ACCESS) \
&& ((TUKLIB_GNUC_REQ(3, 4) && defined(__x86_64__)) \
|| (defined(__INTEL_COMPILER) && defined(__x86_64__)) \
|| (defined(__INTEL_COMPILER) && defined(_M_X64)) \
|| (defined(_MSC_VER) && defined(_M_X64)))
// NOTE: This will use 64-bit unaligned access which
// TUKLIB_FAST_UNALIGNED_ACCESS wasn't meant to permit, but
// it's convenient here at least as long as it's x86-64 only.
//
// I keep this x86-64 only for now since that's where I know this
// to be a good method. This may be fine on other 64-bit CPUs too.
// On big endian one should use xor instead of subtraction and switch
// to __builtin_clzll().
#define LZMA_MEMCMPLEN_EXTRA 8
while (len < limit) {
const uint64_t x = *(const uint64_t *)(buf1 + len)
- *(const uint64_t *)(buf2 + len);
if (x != 0) {
# if defined(_M_X64) // MSVC or Intel C compiler on Windows
unsigned long tmp;
_BitScanForward64(&tmp, x);
len += (uint32_t)tmp >> 3;
# else // GCC, clang, or Intel C compiler
len += (uint32_t)__builtin_ctzll(x) >> 3;
# endif
return my_min(len, limit);
}
len += 8;
}
return limit;
#elif defined(TUKLIB_FAST_UNALIGNED_ACCESS) \
&& defined(HAVE__MM_MOVEMASK_EPI8) \
&& ((defined(__GNUC__) && defined(__SSE2_MATH__)) \
|| (defined(__INTEL_COMPILER) && defined(__SSE2__)) \
|| (defined(_MSC_VER) && defined(_M_IX86_FP) \
&& _M_IX86_FP >= 2))
// NOTE: Like above, this will use 128-bit unaligned access which
// TUKLIB_FAST_UNALIGNED_ACCESS wasn't meant to permit.
//
// SSE2 version for 32-bit and 64-bit x86. On x86-64 the above
// version is sometimes significantly faster and sometimes
// slightly slower than this SSE2 version, so this SSE2
// version isn't used on x86-64.
# define LZMA_MEMCMPLEN_EXTRA 16
while (len < limit) {
const uint32_t x = 0xFFFF ^ _mm_movemask_epi8(_mm_cmpeq_epi8(
_mm_loadu_si128((const __m128i *)(buf1 + len)),
_mm_loadu_si128((const __m128i *)(buf2 + len))));
if (x != 0) {
# if defined(__INTEL_COMPILER)
len += _bit_scan_forward(x);
# elif defined(_MSC_VER)
unsigned long tmp;
_BitScanForward(&tmp, x);
len += tmp;
# else
len += __builtin_ctz(x);
# endif
return my_min(len, limit);
}
len += 16;
}
return limit;
#elif defined(TUKLIB_FAST_UNALIGNED_ACCESS) && !defined(WORDS_BIGENDIAN)
// Generic 32-bit little endian method
# define LZMA_MEMCMPLEN_EXTRA 4
while (len < limit) {
uint32_t x = *(const uint32_t *)(buf1 + len)
- *(const uint32_t *)(buf2 + len);
if (x != 0) {
if ((x & 0xFFFF) == 0) {
len += 2;
x >>= 16;
}
if ((x & 0xFF) == 0)
++len;
return my_min(len, limit);
}
len += 4;
}
return limit;
#elif defined(TUKLIB_FAST_UNALIGNED_ACCESS) && defined(WORDS_BIGENDIAN)
// Generic 32-bit big endian method
# define LZMA_MEMCMPLEN_EXTRA 4
while (len < limit) {
uint32_t x = *(const uint32_t *)(buf1 + len)
^ *(const uint32_t *)(buf2 + len);
if (x != 0) {
if ((x & 0xFFFF0000) == 0) {
len += 2;
x <<= 16;
}
if ((x & 0xFF000000) == 0)
++len;
return my_min(len, limit);
}
len += 4;
}
return limit;
#else
// Simple portable version that doesn't use unaligned access.
# define LZMA_MEMCMPLEN_EXTRA 0
while (len < limit && buf1[len] == buf2[len])
++len;
return len;
#endif
}
#endif

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///////////////////////////////////////////////////////////////////////////////
//
/// \file outqueue.c
/// \brief Output queue handling in multithreaded coding
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "outqueue.h"
/// This is to ease integer overflow checking: We may allocate up to
/// 2 * LZMA_THREADS_MAX buffers and we need some extra memory for other
/// data structures (that's the second /2).
#define BUF_SIZE_MAX (UINT64_MAX / LZMA_THREADS_MAX / 2 / 2)
static lzma_ret
get_options(uint64_t *bufs_alloc_size, uint32_t *bufs_count,
uint64_t buf_size_max, uint32_t threads)
{
if (threads > LZMA_THREADS_MAX || buf_size_max > BUF_SIZE_MAX)
return LZMA_OPTIONS_ERROR;
// The number of buffers is twice the number of threads.
// This wastes RAM but keeps the threads busy when buffers
// finish out of order.
//
// NOTE: If this is changed, update BUF_SIZE_MAX too.
*bufs_count = threads * 2;
*bufs_alloc_size = *bufs_count * buf_size_max;
return LZMA_OK;
}
extern uint64_t
lzma_outq_memusage(uint64_t buf_size_max, uint32_t threads)
{
uint64_t bufs_alloc_size;
uint32_t bufs_count;
if (get_options(&bufs_alloc_size, &bufs_count, buf_size_max, threads)
!= LZMA_OK)
return UINT64_MAX;
return sizeof(lzma_outq) + bufs_count * sizeof(lzma_outbuf)
+ bufs_alloc_size;
}
extern lzma_ret
lzma_outq_init(lzma_outq *outq, const lzma_allocator *allocator,
uint64_t buf_size_max, uint32_t threads)
{
uint64_t bufs_alloc_size;
uint32_t bufs_count;
// Set bufs_count and bufs_alloc_size.
return_if_error(get_options(&bufs_alloc_size, &bufs_count,
buf_size_max, threads));
// Allocate memory if needed.
if (outq->buf_size_max != buf_size_max
|| outq->bufs_allocated != bufs_count) {
lzma_outq_end(outq, allocator);
#if SIZE_MAX < UINT64_MAX
if (bufs_alloc_size > SIZE_MAX)
return LZMA_MEM_ERROR;
#endif
outq->bufs = lzma_alloc(bufs_count * sizeof(lzma_outbuf),
allocator);
outq->bufs_mem = lzma_alloc((size_t)(bufs_alloc_size),
allocator);
if (outq->bufs == NULL || outq->bufs_mem == NULL) {
lzma_outq_end(outq, allocator);
return LZMA_MEM_ERROR;
}
}
// Initialize the rest of the main structure. Initialization of
// outq->bufs[] is done when they are actually needed.
outq->buf_size_max = (size_t)(buf_size_max);
outq->bufs_allocated = bufs_count;
outq->bufs_pos = 0;
outq->bufs_used = 0;
outq->read_pos = 0;
return LZMA_OK;
}
extern void
lzma_outq_end(lzma_outq *outq, const lzma_allocator *allocator)
{
lzma_free(outq->bufs, allocator);
outq->bufs = NULL;
lzma_free(outq->bufs_mem, allocator);
outq->bufs_mem = NULL;
return;
}
extern lzma_outbuf *
lzma_outq_get_buf(lzma_outq *outq)
{
// Caller must have checked it with lzma_outq_has_buf().
assert(outq->bufs_used < outq->bufs_allocated);
// Initialize the new buffer.
lzma_outbuf *buf = &outq->bufs[outq->bufs_pos];
buf->buf = outq->bufs_mem + outq->bufs_pos * outq->buf_size_max;
buf->size = 0;
buf->finished = false;
// Update the queue state.
if (++outq->bufs_pos == outq->bufs_allocated)
outq->bufs_pos = 0;
++outq->bufs_used;
return buf;
}
extern bool
lzma_outq_is_readable(const lzma_outq *outq)
{
uint32_t i = outq->bufs_pos - outq->bufs_used;
if (outq->bufs_pos < outq->bufs_used)
i += outq->bufs_allocated;
return outq->bufs[i].finished;
}
extern lzma_ret
lzma_outq_read(lzma_outq *restrict outq, uint8_t *restrict out,
size_t *restrict out_pos, size_t out_size,
lzma_vli *restrict unpadded_size,
lzma_vli *restrict uncompressed_size)
{
// There must be at least one buffer from which to read.
if (outq->bufs_used == 0)
return LZMA_OK;
// Get the buffer.
uint32_t i = outq->bufs_pos - outq->bufs_used;
if (outq->bufs_pos < outq->bufs_used)
i += outq->bufs_allocated;
lzma_outbuf *buf = &outq->bufs[i];
// If it isn't finished yet, we cannot read from it.
if (!buf->finished)
return LZMA_OK;
// Copy from the buffer to output.
lzma_bufcpy(buf->buf, &outq->read_pos, buf->size,
out, out_pos, out_size);
// Return if we didn't get all the data from the buffer.
if (outq->read_pos < buf->size)
return LZMA_OK;
// The buffer was finished. Tell the caller its size information.
*unpadded_size = buf->unpadded_size;
*uncompressed_size = buf->uncompressed_size;
// Free this buffer for further use.
--outq->bufs_used;
outq->read_pos = 0;
return LZMA_STREAM_END;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file outqueue.h
/// \brief Output queue handling in multithreaded coding
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "common.h"
/// Output buffer for a single thread
typedef struct {
/// Pointer to the output buffer of lzma_outq.buf_size_max bytes
uint8_t *buf;
/// Amount of data written to buf
size_t size;
/// Additional size information
lzma_vli unpadded_size;
lzma_vli uncompressed_size;
/// True when no more data will be written into this buffer.
///
/// \note This is read by another thread and thus access
/// to this variable needs a mutex.
bool finished;
} lzma_outbuf;
typedef struct {
/// Array of buffers that are used cyclically.
lzma_outbuf *bufs;
/// Memory allocated for all the buffers
uint8_t *bufs_mem;
/// Amount of buffer space available in each buffer
size_t buf_size_max;
/// Number of buffers allocated
uint32_t bufs_allocated;
/// Position in the bufs array. The next buffer to be taken
/// into use is bufs[bufs_pos].
uint32_t bufs_pos;
/// Number of buffers in use
uint32_t bufs_used;
/// Position in the buffer in lzma_outq_read()
size_t read_pos;
} lzma_outq;
/**
* \brief Calculate the memory usage of an output queue
*
* \return Approximate memory usage in bytes or UINT64_MAX on error.
*/
extern uint64_t lzma_outq_memusage(uint64_t buf_size_max, uint32_t threads);
/// \brief Initialize an output queue
///
/// \param outq Pointer to an output queue. Before calling
/// this function the first time, *outq should
/// have been zeroed with memzero() so that this
/// function knows that there are no previous
/// allocations to free.
/// \param allocator Pointer to allocator or NULL
/// \param buf_size_max Maximum amount of data that a single buffer
/// in the queue may need to store.
/// \param threads Number of buffers that may be in use
/// concurrently. Note that more than this number
/// of buffers will actually get allocated to
/// improve performance when buffers finish
/// out of order.
///
/// \return - LZMA_OK
/// - LZMA_MEM_ERROR
///
extern lzma_ret lzma_outq_init(
lzma_outq *outq, const lzma_allocator *allocator,
uint64_t buf_size_max, uint32_t threads);
/// \brief Free the memory associated with the output queue
extern void lzma_outq_end(lzma_outq *outq, const lzma_allocator *allocator);
/// \brief Get a new buffer
///
/// lzma_outq_has_buf() must be used to check that there is a buffer
/// available before calling lzma_outq_get_buf().
///
extern lzma_outbuf *lzma_outq_get_buf(lzma_outq *outq);
/// \brief Test if there is data ready to be read
///
/// Call to this function must be protected with the same mutex that
/// is used to protect lzma_outbuf.finished.
///
extern bool lzma_outq_is_readable(const lzma_outq *outq);
/// \brief Read finished data
///
/// \param outq Pointer to an output queue
/// \param out Beginning of the output buffer
/// \param out_pos The next byte will be written to
/// out[*out_pos].
/// \param out_size Size of the out buffer; the first byte into
/// which no data is written to is out[out_size].
/// \param unpadded_size Unpadded Size from the Block encoder
/// \param uncompressed_size Uncompressed Size from the Block encoder
///
/// \return - LZMA: All OK. Either no data was available or the buffer
/// being read didn't become empty yet.
/// - LZMA_STREAM_END: The buffer being read was finished.
/// *unpadded_size and *uncompressed_size were set.
///
/// \note This reads lzma_outbuf.finished variables and thus call
/// to this function needs to be protected with a mutex.
///
extern lzma_ret lzma_outq_read(lzma_outq *restrict outq,
uint8_t *restrict out, size_t *restrict out_pos,
size_t out_size, lzma_vli *restrict unpadded_size,
lzma_vli *restrict uncompressed_size);
/// \brief Test if there is at least one buffer free
///
/// This must be used before getting a new buffer with lzma_outq_get_buf().
///
static inline bool
lzma_outq_has_buf(const lzma_outq *outq)
{
return outq->bufs_used < outq->bufs_allocated;
}
/// \brief Test if the queue is completely empty
static inline bool
lzma_outq_is_empty(const lzma_outq *outq)
{
return outq->bufs_used == 0;
}

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Externals/liblzma/common/stream_buffer_decoder.c vendored Normal file
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///////////////////////////////////////////////////////////////////////////////
//
/// \file stream_buffer_decoder.c
/// \brief Single-call .xz Stream decoder
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "stream_decoder.h"
extern LZMA_API(lzma_ret)
lzma_stream_buffer_decode(uint64_t *memlimit, uint32_t flags,
const lzma_allocator *allocator,
const uint8_t *in, size_t *in_pos, size_t in_size,
uint8_t *out, size_t *out_pos, size_t out_size)
{
// Sanity checks
if (in_pos == NULL || (in == NULL && *in_pos != in_size)
|| *in_pos > in_size || out_pos == NULL
|| (out == NULL && *out_pos != out_size)
|| *out_pos > out_size)
return LZMA_PROG_ERROR;
// Catch flags that are not allowed in buffer-to-buffer decoding.
if (flags & LZMA_TELL_ANY_CHECK)
return LZMA_PROG_ERROR;
// Initialize the Stream decoder.
// TODO: We need something to tell the decoder that it can use the
// output buffer as workspace, and thus save significant amount of RAM.
lzma_next_coder stream_decoder = LZMA_NEXT_CODER_INIT;
lzma_ret ret = lzma_stream_decoder_init(
&stream_decoder, allocator, *memlimit, flags);
if (ret == LZMA_OK) {
// Save the positions so that we can restore them in case
// an error occurs.
const size_t in_start = *in_pos;
const size_t out_start = *out_pos;
// Do the actual decoding.
ret = stream_decoder.code(stream_decoder.coder, allocator,
in, in_pos, in_size, out, out_pos, out_size,
LZMA_FINISH);
if (ret == LZMA_STREAM_END) {
ret = LZMA_OK;
} else {
// Something went wrong, restore the positions.
*in_pos = in_start;
*out_pos = out_start;
if (ret == LZMA_OK) {
// Either the input was truncated or the
// output buffer was too small.
assert(*in_pos == in_size
|| *out_pos == out_size);
// If all the input was consumed, then the
// input is truncated, even if the output
// buffer is also full. This is because
// processing the last byte of the Stream
// never produces output.
if (*in_pos == in_size)
ret = LZMA_DATA_ERROR;
else
ret = LZMA_BUF_ERROR;
} else if (ret == LZMA_MEMLIMIT_ERROR) {
// Let the caller know how much memory would
// have been needed.
uint64_t memusage;
(void)stream_decoder.memconfig(
stream_decoder.coder,
memlimit, &memusage, 0);
}
}
}
// Free the decoder memory. This needs to be done even if
// initialization fails, because the internal API doesn't
// require the initialization function to free its memory on error.
lzma_next_end(&stream_decoder, allocator);
return ret;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file stream_buffer_encoder.c
/// \brief Single-call .xz Stream encoder
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "index.h"
/// Maximum size of Index that has exactly one Record.
/// Index Indicator + Number of Records + Record + CRC32 rounded up to
/// the next multiple of four.
#define INDEX_BOUND ((1 + 1 + 2 * LZMA_VLI_BYTES_MAX + 4 + 3) & ~3)
/// Stream Header, Stream Footer, and Index
#define HEADERS_BOUND (2 * LZMA_STREAM_HEADER_SIZE + INDEX_BOUND)
extern LZMA_API(size_t)
lzma_stream_buffer_bound(size_t uncompressed_size)
{
// Get the maximum possible size of a Block.
const size_t block_bound = lzma_block_buffer_bound(uncompressed_size);
if (block_bound == 0)
return 0;
// Catch the possible integer overflow and also prevent the size of
// the Stream exceeding LZMA_VLI_MAX (theoretically possible on
// 64-bit systems).
if (my_min(SIZE_MAX, LZMA_VLI_MAX) - block_bound < HEADERS_BOUND)
return 0;
return block_bound + HEADERS_BOUND;
}
extern LZMA_API(lzma_ret)
lzma_stream_buffer_encode(lzma_filter *filters, lzma_check check,
const lzma_allocator *allocator,
const uint8_t *in, size_t in_size,
uint8_t *out, size_t *out_pos_ptr, size_t out_size)
{
// Sanity checks
if (filters == NULL || (unsigned int)(check) > LZMA_CHECK_ID_MAX
|| (in == NULL && in_size != 0) || out == NULL
|| out_pos_ptr == NULL || *out_pos_ptr > out_size)
return LZMA_PROG_ERROR;
if (!lzma_check_is_supported(check))
return LZMA_UNSUPPORTED_CHECK;
// Note for the paranoids: Index encoder prevents the Stream from
// getting too big and still being accepted with LZMA_OK, and Block
// encoder catches if the input is too big. So we don't need to
// separately check if the buffers are too big.
// Use a local copy. We update *out_pos_ptr only if everything
// succeeds.
size_t out_pos = *out_pos_ptr;
// Check that there's enough space for both Stream Header and
// Stream Footer.
if (out_size - out_pos <= 2 * LZMA_STREAM_HEADER_SIZE)
return LZMA_BUF_ERROR;
// Reserve space for Stream Footer so we don't need to check for
// available space again before encoding Stream Footer.
out_size -= LZMA_STREAM_HEADER_SIZE;
// Encode the Stream Header.
lzma_stream_flags stream_flags = {
.version = 0,
.check = check,
};
if (lzma_stream_header_encode(&stream_flags, out + out_pos)
!= LZMA_OK)
return LZMA_PROG_ERROR;
out_pos += LZMA_STREAM_HEADER_SIZE;
// Encode a Block but only if there is at least one byte of input.
lzma_block block = {
.version = 0,
.check = check,
.filters = filters,
};
if (in_size > 0)
return_if_error(lzma_block_buffer_encode(&block, allocator,
in, in_size, out, &out_pos, out_size));
// Index
{
// Create an Index. It will have one Record if there was
// at least one byte of input to encode. Otherwise the
// Index will be empty.
lzma_index *i = lzma_index_init(allocator);
if (i == NULL)
return LZMA_MEM_ERROR;
lzma_ret ret = LZMA_OK;
if (in_size > 0)
ret = lzma_index_append(i, allocator,
lzma_block_unpadded_size(&block),
block.uncompressed_size);
// If adding the Record was successful, encode the Index
// and get its size which will be stored into Stream Footer.
if (ret == LZMA_OK) {
ret = lzma_index_buffer_encode(
i, out, &out_pos, out_size);
stream_flags.backward_size = lzma_index_size(i);
}
lzma_index_end(i, allocator);
if (ret != LZMA_OK)
return ret;
}
// Stream Footer. We have already reserved space for this.
if (lzma_stream_footer_encode(&stream_flags, out + out_pos)
!= LZMA_OK)
return LZMA_PROG_ERROR;
out_pos += LZMA_STREAM_HEADER_SIZE;
// Everything went fine, make the new output position available
// to the application.
*out_pos_ptr = out_pos;
return LZMA_OK;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file stream_decoder.c
/// \brief Decodes .xz Streams
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "stream_decoder.h"
#include "block_decoder.h"
typedef struct {
enum {
SEQ_STREAM_HEADER,
SEQ_BLOCK_HEADER,
SEQ_BLOCK,
SEQ_INDEX,
SEQ_STREAM_FOOTER,
SEQ_STREAM_PADDING,
} sequence;
/// Block or Metadata decoder. This takes little memory and the same
/// data structure can be used to decode every Block Header, so it's
/// a good idea to have a separate lzma_next_coder structure for it.
lzma_next_coder block_decoder;
/// Block options decoded by the Block Header decoder and used by
/// the Block decoder.
lzma_block block_options;
/// Stream Flags from Stream Header
lzma_stream_flags stream_flags;
/// Index is hashed so that it can be compared to the sizes of Blocks
/// with O(1) memory usage.
lzma_index_hash *index_hash;
/// Memory usage limit
uint64_t memlimit;
/// Amount of memory actually needed (only an estimate)
uint64_t memusage;
/// If true, LZMA_NO_CHECK is returned if the Stream has
/// no integrity check.
bool tell_no_check;
/// If true, LZMA_UNSUPPORTED_CHECK is returned if the Stream has
/// an integrity check that isn't supported by this liblzma build.
bool tell_unsupported_check;
/// If true, LZMA_GET_CHECK is returned after decoding Stream Header.
bool tell_any_check;
/// If true, we will tell the Block decoder to skip calculating
/// and verifying the integrity check.
bool ignore_check;
/// If true, we will decode concatenated Streams that possibly have
/// Stream Padding between or after them. LZMA_STREAM_END is returned
/// once the application isn't giving us any new input, and we aren't
/// in the middle of a Stream, and possible Stream Padding is a
/// multiple of four bytes.
bool concatenated;
/// When decoding concatenated Streams, this is true as long as we
/// are decoding the first Stream. This is needed to avoid misleading
/// LZMA_FORMAT_ERROR in case the later Streams don't have valid magic
/// bytes.
bool first_stream;
/// Write position in buffer[] and position in Stream Padding
size_t pos;
/// Buffer to hold Stream Header, Block Header, and Stream Footer.
/// Block Header has biggest maximum size.
uint8_t buffer[LZMA_BLOCK_HEADER_SIZE_MAX];
} lzma_stream_coder;
static lzma_ret
stream_decoder_reset(lzma_stream_coder *coder, const lzma_allocator *allocator)
{
// Initialize the Index hash used to verify the Index.
coder->index_hash = lzma_index_hash_init(coder->index_hash, allocator);
if (coder->index_hash == NULL)
return LZMA_MEM_ERROR;
// Reset the rest of the variables.
coder->sequence = SEQ_STREAM_HEADER;
coder->pos = 0;
return LZMA_OK;
}
static lzma_ret
stream_decode(void *coder_ptr, const lzma_allocator *allocator,
const uint8_t *restrict in, size_t *restrict in_pos,
size_t in_size, uint8_t *restrict out,
size_t *restrict out_pos, size_t out_size, lzma_action action)
{
lzma_stream_coder *coder = coder_ptr;
// When decoding the actual Block, it may be able to produce more
// output even if we don't give it any new input.
while (true)
switch (coder->sequence) {
case SEQ_STREAM_HEADER: {
// Copy the Stream Header to the internal buffer.
lzma_bufcpy(in, in_pos, in_size, coder->buffer, &coder->pos,
LZMA_STREAM_HEADER_SIZE);
// Return if we didn't get the whole Stream Header yet.
if (coder->pos < LZMA_STREAM_HEADER_SIZE)
return LZMA_OK;
coder->pos = 0;
// Decode the Stream Header.
const lzma_ret ret = lzma_stream_header_decode(
&coder->stream_flags, coder->buffer);
if (ret != LZMA_OK)
return ret == LZMA_FORMAT_ERROR && !coder->first_stream
? LZMA_DATA_ERROR : ret;
// If we are decoding concatenated Streams, and the later
// Streams have invalid Header Magic Bytes, we give
// LZMA_DATA_ERROR instead of LZMA_FORMAT_ERROR.
coder->first_stream = false;
// Copy the type of the Check so that Block Header and Block
// decoders see it.
coder->block_options.check = coder->stream_flags.check;
// Even if we return LZMA_*_CHECK below, we want
// to continue from Block Header decoding.
coder->sequence = SEQ_BLOCK_HEADER;
// Detect if there's no integrity check or if it is
// unsupported if those were requested by the application.
if (coder->tell_no_check && coder->stream_flags.check
== LZMA_CHECK_NONE)
return LZMA_NO_CHECK;
if (coder->tell_unsupported_check
&& !lzma_check_is_supported(
coder->stream_flags.check))
return LZMA_UNSUPPORTED_CHECK;
if (coder->tell_any_check)
return LZMA_GET_CHECK;
}
// Fall through
case SEQ_BLOCK_HEADER: {
if (*in_pos >= in_size)
return LZMA_OK;
if (coder->pos == 0) {
// Detect if it's Index.
if (in[*in_pos] == 0x00) {
coder->sequence = SEQ_INDEX;
break;
}
// Calculate the size of the Block Header. Note that
// Block Header decoder wants to see this byte too
// so don't advance *in_pos.
coder->block_options.header_size
= lzma_block_header_size_decode(
in[*in_pos]);
}
// Copy the Block Header to the internal buffer.
lzma_bufcpy(in, in_pos, in_size, coder->buffer, &coder->pos,
coder->block_options.header_size);
// Return if we didn't get the whole Block Header yet.
if (coder->pos < coder->block_options.header_size)
return LZMA_OK;
coder->pos = 0;
// Version 1 is needed to support the .ignore_check option.
coder->block_options.version = 1;
// Set up a buffer to hold the filter chain. Block Header
// decoder will initialize all members of this array so
// we don't need to do it here.
lzma_filter filters[LZMA_FILTERS_MAX + 1];
coder->block_options.filters = filters;
// Decode the Block Header.
return_if_error(lzma_block_header_decode(&coder->block_options,
allocator, coder->buffer));
// If LZMA_IGNORE_CHECK was used, this flag needs to be set.
// It has to be set after lzma_block_header_decode() because
// it always resets this to false.
coder->block_options.ignore_check = coder->ignore_check;
// Check the memory usage limit.
const uint64_t memusage = lzma_raw_decoder_memusage(filters);
lzma_ret ret;
if (memusage == UINT64_MAX) {
// One or more unknown Filter IDs.
ret = LZMA_OPTIONS_ERROR;
} else {
// Now we can set coder->memusage since we know that
// the filter chain is valid. We don't want
// lzma_memusage() to return UINT64_MAX in case of
// invalid filter chain.
coder->memusage = memusage;
if (memusage > coder->memlimit) {
// The chain would need too much memory.
ret = LZMA_MEMLIMIT_ERROR;
} else {
// Memory usage is OK.
// Initialize the Block decoder.
ret = lzma_block_decoder_init(
&coder->block_decoder,
allocator,
&coder->block_options);
}
}
// Free the allocated filter options since they are needed
// only to initialize the Block decoder.
for (size_t i = 0; i < LZMA_FILTERS_MAX; ++i)
lzma_free(filters[i].options, allocator);
coder->block_options.filters = NULL;
// Check if memory usage calculation and Block enocoder
// initialization succeeded.
if (ret != LZMA_OK)
return ret;
coder->sequence = SEQ_BLOCK;
}
// Fall through
case SEQ_BLOCK: {
const lzma_ret ret = coder->block_decoder.code(
coder->block_decoder.coder, allocator,
in, in_pos, in_size, out, out_pos, out_size,
action);
if (ret != LZMA_STREAM_END)
return ret;
// Block decoded successfully. Add the new size pair to
// the Index hash.
return_if_error(lzma_index_hash_append(coder->index_hash,
lzma_block_unpadded_size(
&coder->block_options),
coder->block_options.uncompressed_size));
coder->sequence = SEQ_BLOCK_HEADER;
break;
}
case SEQ_INDEX: {
// If we don't have any input, don't call
// lzma_index_hash_decode() since it would return
// LZMA_BUF_ERROR, which we must not do here.
if (*in_pos >= in_size)
return LZMA_OK;
// Decode the Index and compare it to the hash calculated
// from the sizes of the Blocks (if any).
const lzma_ret ret = lzma_index_hash_decode(coder->index_hash,
in, in_pos, in_size);
if (ret != LZMA_STREAM_END)
return ret;
coder->sequence = SEQ_STREAM_FOOTER;
}
// Fall through
case SEQ_STREAM_FOOTER: {
// Copy the Stream Footer to the internal buffer.
lzma_bufcpy(in, in_pos, in_size, coder->buffer, &coder->pos,
LZMA_STREAM_HEADER_SIZE);
// Return if we didn't get the whole Stream Footer yet.
if (coder->pos < LZMA_STREAM_HEADER_SIZE)
return LZMA_OK;
coder->pos = 0;
// Decode the Stream Footer. The decoder gives
// LZMA_FORMAT_ERROR if the magic bytes don't match,
// so convert that return code to LZMA_DATA_ERROR.
lzma_stream_flags footer_flags;
const lzma_ret ret = lzma_stream_footer_decode(
&footer_flags, coder->buffer);
if (ret != LZMA_OK)
return ret == LZMA_FORMAT_ERROR
? LZMA_DATA_ERROR : ret;
// Check that Index Size stored in the Stream Footer matches
// the real size of the Index field.
if (lzma_index_hash_size(coder->index_hash)
!= footer_flags.backward_size)
return LZMA_DATA_ERROR;
// Compare that the Stream Flags fields are identical in
// both Stream Header and Stream Footer.
return_if_error(lzma_stream_flags_compare(
&coder->stream_flags, &footer_flags));
if (!coder->concatenated)
return LZMA_STREAM_END;
coder->sequence = SEQ_STREAM_PADDING;
}
// Fall through
case SEQ_STREAM_PADDING:
assert(coder->concatenated);
// Skip over possible Stream Padding.
while (true) {
if (*in_pos >= in_size) {
// Unless LZMA_FINISH was used, we cannot
// know if there's more input coming later.
if (action != LZMA_FINISH)
return LZMA_OK;
// Stream Padding must be a multiple of
// four bytes.
return coder->pos == 0
? LZMA_STREAM_END
: LZMA_DATA_ERROR;
}
// If the byte is not zero, it probably indicates
// beginning of a new Stream (or the file is corrupt).
if (in[*in_pos] != 0x00)
break;
++*in_pos;
coder->pos = (coder->pos + 1) & 3;
}
// Stream Padding must be a multiple of four bytes (empty
// Stream Padding is OK).
if (coder->pos != 0) {
++*in_pos;
return LZMA_DATA_ERROR;
}
// Prepare to decode the next Stream.
return_if_error(stream_decoder_reset(coder, allocator));
break;
default:
assert(0);
return LZMA_PROG_ERROR;
}
// Never reached
}
static void
stream_decoder_end(void *coder_ptr, const lzma_allocator *allocator)
{
lzma_stream_coder *coder = coder_ptr;
lzma_next_end(&coder->block_decoder, allocator);
lzma_index_hash_end(coder->index_hash, allocator);
lzma_free(coder, allocator);
return;
}
static lzma_check
stream_decoder_get_check(const void *coder_ptr)
{
const lzma_stream_coder *coder = coder_ptr;
return coder->stream_flags.check;
}
static lzma_ret
stream_decoder_memconfig(void *coder_ptr, uint64_t *memusage,
uint64_t *old_memlimit, uint64_t new_memlimit)
{
lzma_stream_coder *coder = coder_ptr;
*memusage = coder->memusage;
*old_memlimit = coder->memlimit;
if (new_memlimit != 0) {
if (new_memlimit < coder->memusage)
return LZMA_MEMLIMIT_ERROR;
coder->memlimit = new_memlimit;
}
return LZMA_OK;
}
extern lzma_ret
lzma_stream_decoder_init(
lzma_next_coder *next, const lzma_allocator *allocator,
uint64_t memlimit, uint32_t flags)
{
lzma_next_coder_init(&lzma_stream_decoder_init, next, allocator);
if (flags & ~LZMA_SUPPORTED_FLAGS)
return LZMA_OPTIONS_ERROR;
lzma_stream_coder *coder = next->coder;
if (coder == NULL) {
coder = lzma_alloc(sizeof(lzma_stream_coder), allocator);
if (coder == NULL)
return LZMA_MEM_ERROR;
next->coder = coder;
next->code = &stream_decode;
next->end = &stream_decoder_end;
next->get_check = &stream_decoder_get_check;
next->memconfig = &stream_decoder_memconfig;
coder->block_decoder = LZMA_NEXT_CODER_INIT;
coder->index_hash = NULL;
}
coder->memlimit = my_max(1, memlimit);
coder->memusage = LZMA_MEMUSAGE_BASE;
coder->tell_no_check = (flags & LZMA_TELL_NO_CHECK) != 0;
coder->tell_unsupported_check
= (flags & LZMA_TELL_UNSUPPORTED_CHECK) != 0;
coder->tell_any_check = (flags & LZMA_TELL_ANY_CHECK) != 0;
coder->ignore_check = (flags & LZMA_IGNORE_CHECK) != 0;
coder->concatenated = (flags & LZMA_CONCATENATED) != 0;
coder->first_stream = true;
return stream_decoder_reset(coder, allocator);
}
extern LZMA_API(lzma_ret)
lzma_stream_decoder(lzma_stream *strm, uint64_t memlimit, uint32_t flags)
{
lzma_next_strm_init(lzma_stream_decoder_init, strm, memlimit, flags);
strm->internal->supported_actions[LZMA_RUN] = true;
strm->internal->supported_actions[LZMA_FINISH] = true;
return LZMA_OK;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file stream_decoder.h
/// \brief Decodes .xz Streams
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef LZMA_STREAM_DECODER_H
#define LZMA_STREAM_DECODER_H
#include "common.h"
extern lzma_ret lzma_stream_decoder_init(
lzma_next_coder *next, const lzma_allocator *allocator,
uint64_t memlimit, uint32_t flags);
#endif

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///////////////////////////////////////////////////////////////////////////////
//
/// \file stream_encoder.c
/// \brief Encodes .xz Streams
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "block_encoder.h"
#include "index_encoder.h"
typedef struct {
enum {
SEQ_STREAM_HEADER,
SEQ_BLOCK_INIT,
SEQ_BLOCK_HEADER,
SEQ_BLOCK_ENCODE,
SEQ_INDEX_ENCODE,
SEQ_STREAM_FOOTER,
} sequence;
/// True if Block encoder has been initialized by
/// stream_encoder_init() or stream_encoder_update()
/// and thus doesn't need to be initialized in stream_encode().
bool block_encoder_is_initialized;
/// Block
lzma_next_coder block_encoder;
/// Options for the Block encoder
lzma_block block_options;
/// The filter chain currently in use
lzma_filter filters[LZMA_FILTERS_MAX + 1];
/// Index encoder. This is separate from Block encoder, because this
/// doesn't take much memory, and when encoding multiple Streams
/// with the same encoding options we avoid reallocating memory.
lzma_next_coder index_encoder;
/// Index to hold sizes of the Blocks
lzma_index *index;
/// Read position in buffer[]
size_t buffer_pos;
/// Total number of bytes in buffer[]
size_t buffer_size;
/// Buffer to hold Stream Header, Block Header, and Stream Footer.
/// Block Header has biggest maximum size.
uint8_t buffer[LZMA_BLOCK_HEADER_SIZE_MAX];
} lzma_stream_coder;
static lzma_ret
block_encoder_init(lzma_stream_coder *coder, const lzma_allocator *allocator)
{
// Prepare the Block options. Even though Block encoder doesn't need
// compressed_size, uncompressed_size, and header_size to be
// initialized, it is a good idea to do it here, because this way
// we catch if someone gave us Filter ID that cannot be used in
// Blocks/Streams.
coder->block_options.compressed_size = LZMA_VLI_UNKNOWN;
coder->block_options.uncompressed_size = LZMA_VLI_UNKNOWN;
return_if_error(lzma_block_header_size(&coder->block_options));
// Initialize the actual Block encoder.
return lzma_block_encoder_init(&coder->block_encoder, allocator,
&coder->block_options);
}
static lzma_ret
stream_encode(void *coder_ptr, const lzma_allocator *allocator,
const uint8_t *restrict in, size_t *restrict in_pos,
size_t in_size, uint8_t *restrict out,
size_t *restrict out_pos, size_t out_size, lzma_action action)
{
lzma_stream_coder *coder = coder_ptr;
// Main loop
while (*out_pos < out_size)
switch (coder->sequence) {
case SEQ_STREAM_HEADER:
case SEQ_BLOCK_HEADER:
case SEQ_STREAM_FOOTER:
lzma_bufcpy(coder->buffer, &coder->buffer_pos,
coder->buffer_size, out, out_pos, out_size);
if (coder->buffer_pos < coder->buffer_size)
return LZMA_OK;
if (coder->sequence == SEQ_STREAM_FOOTER)
return LZMA_STREAM_END;
coder->buffer_pos = 0;
++coder->sequence;
break;
case SEQ_BLOCK_INIT: {
if (*in_pos == in_size) {
// If we are requested to flush or finish the current
// Block, return LZMA_STREAM_END immediately since
// there's nothing to do.
if (action != LZMA_FINISH)
return action == LZMA_RUN
? LZMA_OK : LZMA_STREAM_END;
// The application had used LZMA_FULL_FLUSH to finish
// the previous Block, but now wants to finish without
// encoding new data, or it is simply creating an
// empty Stream with no Blocks.
//
// Initialize the Index encoder, and continue to
// actually encoding the Index.
return_if_error(lzma_index_encoder_init(
&coder->index_encoder, allocator,
coder->index));
coder->sequence = SEQ_INDEX_ENCODE;
break;
}
// Initialize the Block encoder unless it was already
// initialized by stream_encoder_init() or
// stream_encoder_update().
if (!coder->block_encoder_is_initialized)
return_if_error(block_encoder_init(coder, allocator));
// Make it false so that we don't skip the initialization
// with the next Block.
coder->block_encoder_is_initialized = false;
// Encode the Block Header. This shouldn't fail since we have
// already initialized the Block encoder.
if (lzma_block_header_encode(&coder->block_options,
coder->buffer) != LZMA_OK)
return LZMA_PROG_ERROR;
coder->buffer_size = coder->block_options.header_size;
coder->sequence = SEQ_BLOCK_HEADER;
break;
}
case SEQ_BLOCK_ENCODE: {
static const lzma_action convert[LZMA_ACTION_MAX + 1] = {
LZMA_RUN,
LZMA_SYNC_FLUSH,
LZMA_FINISH,
LZMA_FINISH,
LZMA_FINISH,
};
const lzma_ret ret = coder->block_encoder.code(
coder->block_encoder.coder, allocator,
in, in_pos, in_size,
out, out_pos, out_size, convert[action]);
if (ret != LZMA_STREAM_END || action == LZMA_SYNC_FLUSH)
return ret;
// Add a new Index Record.
const lzma_vli unpadded_size = lzma_block_unpadded_size(
&coder->block_options);
assert(unpadded_size != 0);
return_if_error(lzma_index_append(coder->index, allocator,
unpadded_size,
coder->block_options.uncompressed_size));
coder->sequence = SEQ_BLOCK_INIT;
break;
}
case SEQ_INDEX_ENCODE: {
// Call the Index encoder. It doesn't take any input, so
// those pointers can be NULL.
const lzma_ret ret = coder->index_encoder.code(
coder->index_encoder.coder, allocator,
NULL, NULL, 0,
out, out_pos, out_size, LZMA_RUN);
if (ret != LZMA_STREAM_END)
return ret;
// Encode the Stream Footer into coder->buffer.
const lzma_stream_flags stream_flags = {
.version = 0,
.backward_size = lzma_index_size(coder->index),
.check = coder->block_options.check,
};
if (lzma_stream_footer_encode(&stream_flags, coder->buffer)
!= LZMA_OK)
return LZMA_PROG_ERROR;
coder->buffer_size = LZMA_STREAM_HEADER_SIZE;
coder->sequence = SEQ_STREAM_FOOTER;
break;
}
default:
assert(0);
return LZMA_PROG_ERROR;
}
return LZMA_OK;
}
static void
stream_encoder_end(void *coder_ptr, const lzma_allocator *allocator)
{
lzma_stream_coder *coder = coder_ptr;
lzma_next_end(&coder->block_encoder, allocator);
lzma_next_end(&coder->index_encoder, allocator);
lzma_index_end(coder->index, allocator);
for (size_t i = 0; coder->filters[i].id != LZMA_VLI_UNKNOWN; ++i)
lzma_free(coder->filters[i].options, allocator);
lzma_free(coder, allocator);
return;
}
static lzma_ret
stream_encoder_update(void *coder_ptr, const lzma_allocator *allocator,
const lzma_filter *filters,
const lzma_filter *reversed_filters)
{
lzma_stream_coder *coder = coder_ptr;
if (coder->sequence <= SEQ_BLOCK_INIT) {
// There is no incomplete Block waiting to be finished,
// thus we can change the whole filter chain. Start by
// trying to initialize the Block encoder with the new
// chain. This way we detect if the chain is valid.
coder->block_encoder_is_initialized = false;
coder->block_options.filters = (lzma_filter *)(filters);
const lzma_ret ret = block_encoder_init(coder, allocator);
coder->block_options.filters = coder->filters;
if (ret != LZMA_OK)
return ret;
coder->block_encoder_is_initialized = true;
} else if (coder->sequence <= SEQ_BLOCK_ENCODE) {
// We are in the middle of a Block. Try to update only
// the filter-specific options.
return_if_error(coder->block_encoder.update(
coder->block_encoder.coder, allocator,
filters, reversed_filters));
} else {
// Trying to update the filter chain when we are already
// encoding Index or Stream Footer.
return LZMA_PROG_ERROR;
}
// Free the copy of the old chain and make a copy of the new chain.
for (size_t i = 0; coder->filters[i].id != LZMA_VLI_UNKNOWN; ++i)
lzma_free(coder->filters[i].options, allocator);
return lzma_filters_copy(filters, coder->filters, allocator);
}
static lzma_ret
stream_encoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
const lzma_filter *filters, lzma_check check)
{
lzma_next_coder_init(&stream_encoder_init, next, allocator);
if (filters == NULL)
return LZMA_PROG_ERROR;
lzma_stream_coder *coder = next->coder;
if (coder == NULL) {
coder = lzma_alloc(sizeof(lzma_stream_coder), allocator);
if (coder == NULL)
return LZMA_MEM_ERROR;
next->coder = coder;
next->code = &stream_encode;
next->end = &stream_encoder_end;
next->update = &stream_encoder_update;
coder->filters[0].id = LZMA_VLI_UNKNOWN;
coder->block_encoder = LZMA_NEXT_CODER_INIT;
coder->index_encoder = LZMA_NEXT_CODER_INIT;
coder->index = NULL;
}
// Basic initializations
coder->sequence = SEQ_STREAM_HEADER;
coder->block_options.version = 0;
coder->block_options.check = check;
// Initialize the Index
lzma_index_end(coder->index, allocator);
coder->index = lzma_index_init(allocator);
if (coder->index == NULL)
return LZMA_MEM_ERROR;
// Encode the Stream Header
lzma_stream_flags stream_flags = {
.version = 0,
.check = check,
};
return_if_error(lzma_stream_header_encode(
&stream_flags, coder->buffer));
coder->buffer_pos = 0;
coder->buffer_size = LZMA_STREAM_HEADER_SIZE;
// Initialize the Block encoder. This way we detect unsupported
// filter chains when initializing the Stream encoder instead of
// giving an error after Stream Header has already written out.
return stream_encoder_update(coder, allocator, filters, NULL);
}
extern LZMA_API(lzma_ret)
lzma_stream_encoder(lzma_stream *strm,
const lzma_filter *filters, lzma_check check)
{
lzma_next_strm_init(stream_encoder_init, strm, filters, check);
strm->internal->supported_actions[LZMA_RUN] = true;
strm->internal->supported_actions[LZMA_SYNC_FLUSH] = true;
strm->internal->supported_actions[LZMA_FULL_FLUSH] = true;
strm->internal->supported_actions[LZMA_FULL_BARRIER] = true;
strm->internal->supported_actions[LZMA_FINISH] = true;
return LZMA_OK;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file stream_flags_common.c
/// \brief Common stuff for Stream flags coders
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "stream_flags_common.h"
const uint8_t lzma_header_magic[6] = { 0xFD, 0x37, 0x7A, 0x58, 0x5A, 0x00 };
const uint8_t lzma_footer_magic[2] = { 0x59, 0x5A };
extern LZMA_API(lzma_ret)
lzma_stream_flags_compare(
const lzma_stream_flags *a, const lzma_stream_flags *b)
{
// We can compare only version 0 structures.
if (a->version != 0 || b->version != 0)
return LZMA_OPTIONS_ERROR;
// Check type
if ((unsigned int)(a->check) > LZMA_CHECK_ID_MAX
|| (unsigned int)(b->check) > LZMA_CHECK_ID_MAX)
return LZMA_PROG_ERROR;
if (a->check != b->check)
return LZMA_DATA_ERROR;
// Backward Sizes are compared only if they are known in both.
if (a->backward_size != LZMA_VLI_UNKNOWN
&& b->backward_size != LZMA_VLI_UNKNOWN) {
if (!is_backward_size_valid(a) || !is_backward_size_valid(b))
return LZMA_PROG_ERROR;
if (a->backward_size != b->backward_size)
return LZMA_DATA_ERROR;
}
return LZMA_OK;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file stream_flags_common.h
/// \brief Common stuff for Stream flags coders
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef LZMA_STREAM_FLAGS_COMMON_H
#define LZMA_STREAM_FLAGS_COMMON_H
#include "common.h"
/// Size of the Stream Flags field
#define LZMA_STREAM_FLAGS_SIZE 2
extern const uint8_t lzma_header_magic[6];
extern const uint8_t lzma_footer_magic[2];
static inline bool
is_backward_size_valid(const lzma_stream_flags *options)
{
return options->backward_size >= LZMA_BACKWARD_SIZE_MIN
&& options->backward_size <= LZMA_BACKWARD_SIZE_MAX
&& (options->backward_size & 3) == 0;
}
#endif

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///////////////////////////////////////////////////////////////////////////////
//
/// \file stream_flags_decoder.c
/// \brief Decodes Stream Header and Stream Footer from .xz files
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "stream_flags_common.h"
static bool
stream_flags_decode(lzma_stream_flags *options, const uint8_t *in)
{
// Reserved bits must be unset.
if (in[0] != 0x00 || (in[1] & 0xF0))
return true;
options->version = 0;
options->check = in[1] & 0x0F;
return false;
}
extern LZMA_API(lzma_ret)
lzma_stream_header_decode(lzma_stream_flags *options, const uint8_t *in)
{
// Magic
if (memcmp(in, lzma_header_magic, sizeof(lzma_header_magic)) != 0)
return LZMA_FORMAT_ERROR;
// Verify the CRC32 so we can distinguish between corrupt
// and unsupported files.
const uint32_t crc = lzma_crc32(in + sizeof(lzma_header_magic),
LZMA_STREAM_FLAGS_SIZE, 0);
if (crc != unaligned_read32le(in + sizeof(lzma_header_magic)
+ LZMA_STREAM_FLAGS_SIZE))
return LZMA_DATA_ERROR;
// Stream Flags
if (stream_flags_decode(options, in + sizeof(lzma_header_magic)))
return LZMA_OPTIONS_ERROR;
// Set Backward Size to indicate unknown value. That way
// lzma_stream_flags_compare() can be used to compare Stream Header
// and Stream Footer while keeping it useful also for comparing
// two Stream Footers.
options->backward_size = LZMA_VLI_UNKNOWN;
return LZMA_OK;
}
extern LZMA_API(lzma_ret)
lzma_stream_footer_decode(lzma_stream_flags *options, const uint8_t *in)
{
// Magic
if (memcmp(in + sizeof(uint32_t) * 2 + LZMA_STREAM_FLAGS_SIZE,
lzma_footer_magic, sizeof(lzma_footer_magic)) != 0)
return LZMA_FORMAT_ERROR;
// CRC32
const uint32_t crc = lzma_crc32(in + sizeof(uint32_t),
sizeof(uint32_t) + LZMA_STREAM_FLAGS_SIZE, 0);
if (crc != unaligned_read32le(in))
return LZMA_DATA_ERROR;
// Stream Flags
if (stream_flags_decode(options, in + sizeof(uint32_t) * 2))
return LZMA_OPTIONS_ERROR;
// Backward Size
options->backward_size = unaligned_read32le(in + sizeof(uint32_t));
options->backward_size = (options->backward_size + 1) * 4;
return LZMA_OK;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file stream_flags_encoder.c
/// \brief Encodes Stream Header and Stream Footer for .xz files
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "stream_flags_common.h"
static bool
stream_flags_encode(const lzma_stream_flags *options, uint8_t *out)
{
if ((unsigned int)(options->check) > LZMA_CHECK_ID_MAX)
return true;
out[0] = 0x00;
out[1] = options->check;
return false;
}
extern LZMA_API(lzma_ret)
lzma_stream_header_encode(const lzma_stream_flags *options, uint8_t *out)
{
assert(sizeof(lzma_header_magic) + LZMA_STREAM_FLAGS_SIZE
+ 4 == LZMA_STREAM_HEADER_SIZE);
if (options->version != 0)
return LZMA_OPTIONS_ERROR;
// Magic
memcpy(out, lzma_header_magic, sizeof(lzma_header_magic));
// Stream Flags
if (stream_flags_encode(options, out + sizeof(lzma_header_magic)))
return LZMA_PROG_ERROR;
// CRC32 of the Stream Header
const uint32_t crc = lzma_crc32(out + sizeof(lzma_header_magic),
LZMA_STREAM_FLAGS_SIZE, 0);
unaligned_write32le(out + sizeof(lzma_header_magic)
+ LZMA_STREAM_FLAGS_SIZE, crc);
return LZMA_OK;
}
extern LZMA_API(lzma_ret)
lzma_stream_footer_encode(const lzma_stream_flags *options, uint8_t *out)
{
assert(2 * 4 + LZMA_STREAM_FLAGS_SIZE + sizeof(lzma_footer_magic)
== LZMA_STREAM_HEADER_SIZE);
if (options->version != 0)
return LZMA_OPTIONS_ERROR;
// Backward Size
if (!is_backward_size_valid(options))
return LZMA_PROG_ERROR;
unaligned_write32le(out + 4, options->backward_size / 4 - 1);
// Stream Flags
if (stream_flags_encode(options, out + 2 * 4))
return LZMA_PROG_ERROR;
// CRC32
const uint32_t crc = lzma_crc32(
out + 4, 4 + LZMA_STREAM_FLAGS_SIZE, 0);
unaligned_write32le(out, crc);
// Magic
memcpy(out + 2 * 4 + LZMA_STREAM_FLAGS_SIZE,
lzma_footer_magic, sizeof(lzma_footer_magic));
return LZMA_OK;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file vli_decoder.c
/// \brief Decodes variable-length integers
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "common.h"
extern LZMA_API(lzma_ret)
lzma_vli_decode(lzma_vli *restrict vli, size_t *vli_pos,
const uint8_t *restrict in, size_t *restrict in_pos,
size_t in_size)
{
// If we haven't been given vli_pos, work in single-call mode.
size_t vli_pos_internal = 0;
if (vli_pos == NULL) {
vli_pos = &vli_pos_internal;
*vli = 0;
// If there's no input, use LZMA_DATA_ERROR. This way it is
// easy to decode VLIs from buffers that have known size,
// and get the correct error code in case the buffer is
// too short.
if (*in_pos >= in_size)
return LZMA_DATA_ERROR;
} else {
// Initialize *vli when starting to decode a new integer.
if (*vli_pos == 0)
*vli = 0;
// Validate the arguments.
if (*vli_pos >= LZMA_VLI_BYTES_MAX
|| (*vli >> (*vli_pos * 7)) != 0)
return LZMA_PROG_ERROR;;
if (*in_pos >= in_size)
return LZMA_BUF_ERROR;
}
do {
// Read the next byte. Use a temporary variable so that we
// can update *in_pos immediately.
const uint8_t byte = in[*in_pos];
++*in_pos;
// Add the newly read byte to *vli.
*vli += (lzma_vli)(byte & 0x7F) << (*vli_pos * 7);
++*vli_pos;
// Check if this is the last byte of a multibyte integer.
if ((byte & 0x80) == 0) {
// We don't allow using variable-length integers as
// padding i.e. the encoding must use the most the
// compact form.
if (byte == 0x00 && *vli_pos > 1)
return LZMA_DATA_ERROR;
return vli_pos == &vli_pos_internal
? LZMA_OK : LZMA_STREAM_END;
}
// There is at least one more byte coming. If we have already
// read maximum number of bytes, the integer is considered
// corrupt.
//
// If we need bigger integers in future, old versions liblzma
// will confusingly indicate the file being corrupt istead of
// unsupported. I suppose it's still better this way, because
// in the foreseeable future (writing this in 2008) the only
// reason why files would appear having over 63-bit integers
// is that the files are simply corrupt.
if (*vli_pos == LZMA_VLI_BYTES_MAX)
return LZMA_DATA_ERROR;
} while (*in_pos < in_size);
return vli_pos == &vli_pos_internal ? LZMA_DATA_ERROR : LZMA_OK;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file vli_encoder.c
/// \brief Encodes variable-length integers
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "common.h"
extern LZMA_API(lzma_ret)
lzma_vli_encode(lzma_vli vli, size_t *vli_pos,
uint8_t *restrict out, size_t *restrict out_pos,
size_t out_size)
{
// If we haven't been given vli_pos, work in single-call mode.
size_t vli_pos_internal = 0;
if (vli_pos == NULL) {
vli_pos = &vli_pos_internal;
// In single-call mode, we expect that the caller has
// reserved enough output space.
if (*out_pos >= out_size)
return LZMA_PROG_ERROR;
} else {
// This never happens when we are called by liblzma, but
// may happen if called directly from an application.
if (*out_pos >= out_size)
return LZMA_BUF_ERROR;
}
// Validate the arguments.
if (*vli_pos >= LZMA_VLI_BYTES_MAX || vli > LZMA_VLI_MAX)
return LZMA_PROG_ERROR;
// Shift vli so that the next bits to encode are the lowest. In
// single-call mode this never changes vli since *vli_pos is zero.
vli >>= *vli_pos * 7;
// Write the non-last bytes in a loop.
while (vli >= 0x80) {
// We don't need *vli_pos during this function call anymore,
// but update it here so that it is ready if we need to
// return before the whole integer has been decoded.
++*vli_pos;
assert(*vli_pos < LZMA_VLI_BYTES_MAX);
// Write the next byte.
out[*out_pos] = (uint8_t)(vli) | 0x80;
vli >>= 7;
if (++*out_pos == out_size)
return vli_pos == &vli_pos_internal
? LZMA_PROG_ERROR : LZMA_OK;
}
// Write the last byte.
out[*out_pos] = (uint8_t)(vli);
++*out_pos;
++*vli_pos;
return vli_pos == &vli_pos_internal ? LZMA_OK : LZMA_STREAM_END;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file vli_size.c
/// \brief Calculates the encoded size of a variable-length integer
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "common.h"
extern LZMA_API(uint32_t)
lzma_vli_size(lzma_vli vli)
{
if (vli > LZMA_VLI_MAX)
return 0;
uint32_t i = 0;
do {
vli >>= 7;
++i;
} while (vli != 0);
assert(i <= LZMA_VLI_BYTES_MAX);
return i;
}

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/* Define if building universal (internal helper macro) */
/* #undef AC_APPLE_UNIVERSAL_BUILD */
/* How many MiB of RAM to assume if the real amount cannot be determined. */
#define ASSUME_RAM 128
/* Define to 1 if translation of program messages to the user's native
language is requested. */
/* #undef #define ENABLE_NLS 1 */
/* Define to 1 if bswap_16 is available. */
#define HAVE_BSWAP_16 1
/* Define to 1 if bswap_32 is available. */
#define HAVE_BSWAP_32 1
/* Define to 1 if bswap_64 is available. */
#define HAVE_BSWAP_64 1
/* Define to 1 if you have the <byteswap.h> header file. */
/* #undef HAVE_BYTESWAP_H 1 */
/* Define to 1 if Capsicum is available. */
/* #undef HAVE_CAPSICUM */
/* Define to 1 if the system has the type `CC_SHA256_CTX'. */
/* #undef HAVE_CC_SHA256_CTX */
/* Define to 1 if you have the `CC_SHA256_Init' function. */
/* #undef HAVE_CC_SHA256_INIT */
/* Define to 1 if you have the Mac OS X function CFLocaleCopyCurrent in the
CoreFoundation framework. */
/* #undef HAVE_CFLOCALECOPYCURRENT */
/* Define to 1 if you have the Mac OS X function CFPreferencesCopyAppValue in
the CoreFoundation framework. */
/* #undef HAVE_CFPREFERENCESCOPYAPPVALUE */
/* Define to 1 if crc32 integrity check is enabled. */
#define HAVE_CHECK_CRC32 1
/* Define to 1 if crc64 integrity check is enabled. */
#define HAVE_CHECK_CRC64 1
/* Define to 1 if sha256 integrity check is enabled. */
#define HAVE_CHECK_SHA256 1
/* Define to 1 if you have the `clock_gettime' function. */
#define HAVE_CLOCK_GETTIME 1
/* Define to 1 if you have the <CommonCrypto/CommonDigest.h> header file. */
/* #undef HAVE_COMMONCRYPTO_COMMONDIGEST_H */
/* Define if the GNU dcgettext() function is already present or preinstalled.
*/
#define HAVE_DCGETTEXT 1
/* Define to 1 if you have the declaration of `CLOCK_MONOTONIC', and to 0 if
you don't. */
#define HAVE_DECL_CLOCK_MONOTONIC 1
/* Define to 1 if you have the declaration of `program_invocation_name', and
to 0 if you don't. */
/* undef HAVE_DECL_PROGRAM_INVOCATION_NAME 1 */
/* Define to 1 if any of HAVE_DECODER_foo have been defined. */
#define HAVE_DECODERS 1
/* Define to 1 if arm decoder is enabled. */
// #define HAVE_DECODER_ARM 1
/* Define to 1 if armthumb decoder is enabled. */
// #define HAVE_DECODER_ARMTHUMB 1
/* Define to 1 if delta decoder is enabled. */
#define HAVE_DECODER_DELTA 1
/* Define to 1 if ia64 decoder is enabled. */
// #define HAVE_DECODER_IA64 1
/* Define to 1 if lzma1 decoder is enabled. */
#define HAVE_DECODER_LZMA1 1
/* Define to 1 if lzma2 decoder is enabled. */
#define HAVE_DECODER_LZMA2 1
/* Define to 1 if powerpc decoder is enabled. */
// #define HAVE_DECODER_POWERPC 1
/* Define to 1 if sparc decoder is enabled. */
// #define HAVE_DECODER_SPARC 1
/* Define to 1 if x86 decoder is enabled. */
// #define HAVE_DECODER_X86 1
/* Define to 1 if you have the <dlfcn.h> header file. */
#define HAVE_DLFCN_H 1
/* Define to 1 if any of HAVE_ENCODER_foo have been defined. */
#define HAVE_ENCODERS 1
/* Define to 1 if arm encoder is enabled. */
// #define HAVE_ENCODER_ARM 1
/* Define to 1 if armthumb encoder is enabled. */
// #define HAVE_ENCODER_ARMTHUMB 1
/* Define to 1 if delta encoder is enabled. */
#define HAVE_ENCODER_DELTA 1
/* Define to 1 if ia64 encoder is enabled. */
// #define HAVE_ENCODER_IA64 1
/* Define to 1 if lzma1 encoder is enabled. */
#define HAVE_ENCODER_LZMA1 1
/* Define to 1 if lzma2 encoder is enabled. */
#define HAVE_ENCODER_LZMA2 1
/* Define to 1 if powerpc encoder is enabled. */
// #define HAVE_ENCODER_POWERPC 1
/* Define to 1 if sparc encoder is enabled. */
// #define HAVE_ENCODER_SPARC 1
/* Define to 1 if x86 encoder is enabled. */
// #define HAVE_ENCODER_X86 1
/* Define to 1 if you have the <fcntl.h> header file. */
#define HAVE_FCNTL_H 1
/* Define to 1 if you have the `futimens' function. */
#define HAVE_FUTIMENS 1
/* Define to 1 if you have the `futimes' function. */
/* #undef HAVE_FUTIMES */
/* Define to 1 if you have the `futimesat' function. */
/* #undef HAVE_FUTIMESAT */
/* Define to 1 if you have the <getopt.h> header file. */
#define HAVE_GETOPT_H 1
/* Define to 1 if you have the `getopt_long' function. */
#define HAVE_GETOPT_LONG 1
/* Define if the GNU gettext() function is already present or preinstalled. */
/* #undef HAVE_GETTEXT 1 */
/* Define if you have the iconv() function and it works. */
/* #undef HAVE_ICONV */
#ifdef _M_X86
/* Define to 1 if you have the <immintrin.h> header file. */
#define HAVE_IMMINTRIN_H 1
#endif
/* Define to 1 if you have the <inttypes.h> header file. */
#define HAVE_INTTYPES_H 1
/* Define to 1 if you have the <limits.h> header file. */
#define HAVE_LIMITS_H 1
/* Define to 1 if mbrtowc and mbstate_t are properly declared. */
#define HAVE_MBRTOWC 1
/* Define to 1 if you have the <memory.h> header file. */
#define HAVE_MEMORY_H 1
/* Define to 1 to enable bt2 match finder. */
#define HAVE_MF_BT2 1
/* Define to 1 to enable bt3 match finder. */
#define HAVE_MF_BT3 1
/* Define to 1 to enable bt4 match finder. */
#define HAVE_MF_BT4 1
/* Define to 1 to enable hc3 match finder. */
#define HAVE_MF_HC3 1
/* Define to 1 to enable hc4 match finder. */
#define HAVE_MF_HC4 1
/* Define to 1 if getopt.h declares extern int optreset. */
/* #undef HAVE_OPTRESET */
/* Define to 1 if you have the `posix_fadvise' function. */
#define HAVE_POSIX_FADVISE 1
/* Define to 1 if you have the `pthread_condattr_setclock' function. */
#define HAVE_PTHREAD_CONDATTR_SETCLOCK 1
/* Have PTHREAD_PRIO_INHERIT. */
#define HAVE_PTHREAD_PRIO_INHERIT 1
/* Define to 1 if you have the `SHA256Init' function. */
/* #undef HAVE_SHA256INIT */
/* Define to 1 if the system has the type `SHA256_CTX'. */
/* #undef HAVE_SHA256_CTX */
/* Define to 1 if you have the <sha256.h> header file. */
/* #undef HAVE_SHA256_H */
/* Define to 1 if you have the `SHA256_Init' function. */
/* #undef HAVE_SHA256_INIT */
/* Define to 1 if the system has the type `SHA2_CTX'. */
/* #undef HAVE_SHA2_CTX */
/* Define to 1 if you have the <sha2.h> header file. */
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/* Define to 1 if optimizing for size. */
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/* Define to 1 if stdbool.h conforms to C99. */
#define HAVE_STDBOOL_H 1
/* Define to 1 if you have the <stdint.h> header file. */
#define HAVE_STDINT_H 1
/* Define to 1 if you have the <stdlib.h> header file. */
#define HAVE_STDLIB_H 1
/* Define to 1 if you have the <strings.h> header file. */
/* #undef HAVE_STRINGS_H 1 */
/* Define to 1 if you have the <string.h> header file. */
#define HAVE_STRING_H 1
/* Define to 1 if `st_atimensec' is a member of `struct stat'. */
/* #undef HAVE_STRUCT_STAT_ST_ATIMENSEC */
/* Define to 1 if `st_atimespec.tv_nsec' is a member of `struct stat'. */
/* #undef HAVE_STRUCT_STAT_ST_ATIMESPEC_TV_NSEC */
/* Define to 1 if `st_atim.st__tim.tv_nsec' is a member of `struct stat'. */
/* #undef HAVE_STRUCT_STAT_ST_ATIM_ST__TIM_TV_NSEC */
/* Define to 1 if `st_atim.tv_nsec' is a member of `struct stat'. */
#define HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC 1
/* Define to 1 if `st_uatime' is a member of `struct stat'. */
/* #undef HAVE_STRUCT_STAT_ST_UATIME */
/* Define to 1 if you have the <sys/byteorder.h> header file. */
/* #undef HAVE_SYS_BYTEORDER_H */
/* Define to 1 if you have the <sys/capsicum.h> header file. */
/* #undef HAVE_SYS_CAPSICUM_H */
/* Define to 1 if you have the <sys/endian.h> header file. */
/* #undef HAVE_SYS_ENDIAN_H */
/* Define to 1 if you have the <sys/param.h> header file. */
#define HAVE_SYS_PARAM_H 1
/* Define to 1 if you have the <sys/stat.h> header file. */
#define HAVE_SYS_STAT_H 1
/* Define to 1 if you have the <sys/time.h> header file. */
/* #undef HAVE_SYS_TIME_H 1 */
/* Define to 1 if you have the <sys/types.h> header file. */
#define HAVE_SYS_TYPES_H 1
/* Define to 1 if the system has the type `uintptr_t'. */
#define HAVE_UINTPTR_T 1
/* Define to 1 if you have the <unistd.h> header file. */
#define HAVE_UNISTD_H 1
/* Define to 1 if you have the `utime' function. */
/* #undef HAVE_UTIME */
/* Define to 1 if you have the `utimes' function. */
/* #undef HAVE_UTIMES */
/* Define to 1 or 0, depending whether the compiler supports simple visibility
declarations. */
#define HAVE_VISIBILITY 1
/* Define to 1 if you have the `wcwidth' function. */
#define HAVE_WCWIDTH 1
/* Define to 1 if the system has the type `_Bool'. */
#define HAVE__BOOL 1
/* Define to 1 if you have the `_futime' function. */
/* #undef HAVE__FUTIME */
/* Define to 1 if _mm_movemask_epi8 is available. */
#define HAVE__MM_MOVEMASK_EPI8 1
/* Define to the sub-directory where libtool stores uninstalled libraries. */
#define LT_OBJDIR ".libs/"
#ifndef _WIN32
/* Define to 1 when using POSIX threads (pthreads). */
#define MYTHREAD_POSIX 1
#else
/* Define to 1 when using Windows Vista compatible threads. This uses features
that are not available on Windows XP. */
#define MYTHREAD_VISTA
#endif
/* Define to 1 when using Windows 95 (and thus XP) compatible threads. This
avoids use of features that were added in Windows Vista. */
/* #undef MYTHREAD_WIN95 */
/* Define to 1 to disable debugging code. */
#define NDEBUG 1
/* Name of package */
#define PACKAGE "xz"
/* Define to the address where bug reports for this package should be sent. */
#define PACKAGE_BUGREPORT "lasse.collin@tukaani.org"
/* Define to the full name of this package. */
#define PACKAGE_NAME "XZ Utils"
/* Define to the full name and version of this package. */
#define PACKAGE_STRING "XZ Utils 5.2.4"
/* Define to the one symbol short name of this package. */
#define PACKAGE_TARNAME "xz"
/* Define to the home page for this package. */
#define PACKAGE_URL "https://tukaani.org/xz/"
/* Define to the version of this package. */
#define PACKAGE_VERSION "5.2.4"
/* Define to necessary symbol if this constant uses a non-standard name on
your system. */
/* #undef PTHREAD_CREATE_JOINABLE */
/* The size of `size_t', as computed by sizeof. */
#define SIZEOF_SIZE_T 8
/* Define to 1 if you have the ANSI C header files. */
#define STDC_HEADERS 1
/* Define to 1 if the number of available CPU cores can be detected with
cpuset(2). */
/* #undef TUKLIB_CPUCORES_CPUSET */
/* Define to 1 if the number of available CPU cores can be detected with
pstat_getdynamic(). */
/* #undef TUKLIB_CPUCORES_PSTAT_GETDYNAMIC */
/* Define to 1 if the number of available CPU cores can be detected with
sched_getaffinity() */
/* #undef TUKLIB_CPUCORES_SCHED_GETAFFINITY */
/* Define to 1 if the number of available CPU cores can be detected with
sysconf(_SC_NPROCESSORS_ONLN) or sysconf(_SC_NPROC_ONLN). */
/* #undef TUKLIB_CPUCORES_SYSCONF */
/* Define to 1 if the number of available CPU cores can be detected with
sysctl(). */
/* #undef TUKLIB_CPUCORES_SYSCTL */
#ifdef _M_X86
/* Define to 1 if the system supports fast unaligned access to 16-bit and
32-bit integers. */
#define TUKLIB_FAST_UNALIGNED_ACCESS 1
#endif
/* Define to 1 if the amount of physical memory can be detected with
_system_configuration.physmem. */
/* #undef TUKLIB_PHYSMEM_AIX */
/* Define to 1 if the amount of physical memory can be detected with
getinvent_r(). */
/* #undef TUKLIB_PHYSMEM_GETINVENT_R */
/* Define to 1 if the amount of physical memory can be detected with
getsysinfo(). */
/* #undef TUKLIB_PHYSMEM_GETSYSINFO */
/* Define to 1 if the amount of physical memory can be detected with
pstat_getstatic(). */
/* #undef TUKLIB_PHYSMEM_PSTAT_GETSTATIC */
/* Define to 1 if the amount of physical memory can be detected with
sysconf(_SC_PAGESIZE) and sysconf(_SC_PHYS_PAGES). */
#define TUKLIB_PHYSMEM_SYSCONF 1
/* Define to 1 if the amount of physical memory can be detected with sysctl().
*/
/* #undef TUKLIB_PHYSMEM_SYSCTL */
/* Define to 1 if the amount of physical memory can be detected with Linux
sysinfo(). */
/* #undef TUKLIB_PHYSMEM_SYSINFO */
/* Enable extensions on AIX 3, Interix. */
#ifndef _ALL_SOURCE
# define _ALL_SOURCE 1
#endif
/* Enable GNU extensions on systems that have them. */
#ifndef _GNU_SOURCE
# define _GNU_SOURCE 1
#endif
/* Enable threading extensions on Solaris. */
#ifndef _POSIX_PTHREAD_SEMANTICS
# define _POSIX_PTHREAD_SEMANTICS 1
#endif
/* Enable extensions on HP NonStop. */
#ifndef _TANDEM_SOURCE
# define _TANDEM_SOURCE 1
#endif
/* Enable general extensions on Solaris. */
#ifndef __EXTENSIONS__
# define __EXTENSIONS__ 1
#endif
/* Version number of package */
#define VERSION "5.2.4"
/* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most
significant byte first (like Motorola and SPARC, unlike Intel). */
#if defined AC_APPLE_UNIVERSAL_BUILD
# if defined __BIG_ENDIAN__
# define WORDS_BIGENDIAN 1
# endif
#else
# ifndef WORDS_BIGENDIAN
/* # undef WORDS_BIGENDIAN */
# endif
#endif
/* Enable large inode numbers on Mac OS X 10.5. */
#ifndef _DARWIN_USE_64_BIT_INODE
# define _DARWIN_USE_64_BIT_INODE 1
#endif
/* Number of bits in a file offset, on hosts where this is settable. */
/* #undef _FILE_OFFSET_BITS */
/* Define for large files, on AIX-style hosts. */
/* #undef _LARGE_FILES */
/* Define to 1 if on MINIX. */
/* #undef _MINIX */
/* Define to 2 if the system does not provide POSIX.1 features except with
this defined. */
/* #undef _POSIX_1_SOURCE */
/* Define to 1 if you need to in order for `stat' and other things to work. */
/* #undef _POSIX_SOURCE */
/* Define for Solaris 2.5.1 so the uint32_t typedef from <sys/synch.h>,
<pthread.h>, or <semaphore.h> is not used. If the typedef were allowed, the
#define below would cause a syntax error. */
/* #undef _UINT32_T */
/* Define for Solaris 2.5.1 so the uint64_t typedef from <sys/synch.h>,
<pthread.h>, or <semaphore.h> is not used. If the typedef were allowed, the
#define below would cause a syntax error. */
/* #undef _UINT64_T */
/* Define for Solaris 2.5.1 so the uint8_t typedef from <sys/synch.h>,
<pthread.h>, or <semaphore.h> is not used. If the typedef were allowed, the
#define below would cause a syntax error. */
/* #undef _UINT8_T */
/* Define to rpl_ if the getopt replacement functions and variables should be
used. */
/* #undef __GETOPT_PREFIX */
/* Define to the type of a signed integer type of width exactly 32 bits if
such a type exists and the standard includes do not define it. */
/* #undef int32_t */
/* Define to the type of a signed integer type of width exactly 64 bits if
such a type exists and the standard includes do not define it. */
/* #undef int64_t */
/* Define to the type of an unsigned integer type of width exactly 16 bits if
such a type exists and the standard includes do not define it. */
/* #undef uint16_t */
/* Define to the type of an unsigned integer type of width exactly 32 bits if
such a type exists and the standard includes do not define it. */
/* #undef uint32_t */
/* Define to the type of an unsigned integer type of width exactly 64 bits if
such a type exists and the standard includes do not define it. */
/* #undef uint64_t */
/* Define to the type of an unsigned integer type of width exactly 8 bits if
such a type exists and the standard includes do not define it. */
/* #undef uint8_t */
/* Define to the type of an unsigned integer type wide enough to hold a
pointer, if such a type exists, and if the system does not define it. */
/* #undef uintptr_t */

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///////////////////////////////////////////////////////////////////////////////
//
/// \file delta_common.c
/// \brief Common stuff for Delta encoder and decoder
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "delta_common.h"
#include "delta_private.h"
static void
delta_coder_end(void *coder_ptr, const lzma_allocator *allocator)
{
lzma_delta_coder *coder = coder_ptr;
lzma_next_end(&coder->next, allocator);
lzma_free(coder, allocator);
return;
}
extern lzma_ret
lzma_delta_coder_init(lzma_next_coder *next, const lzma_allocator *allocator,
const lzma_filter_info *filters)
{
// Allocate memory for the decoder if needed.
lzma_delta_coder *coder = next->coder;
if (coder == NULL) {
coder = lzma_alloc(sizeof(lzma_delta_coder), allocator);
if (coder == NULL)
return LZMA_MEM_ERROR;
next->coder = coder;
// End function is the same for encoder and decoder.
next->end = &delta_coder_end;
coder->next = LZMA_NEXT_CODER_INIT;
}
// Validate the options.
if (lzma_delta_coder_memusage(filters[0].options) == UINT64_MAX)
return LZMA_OPTIONS_ERROR;
// Set the delta distance.
const lzma_options_delta *opt = filters[0].options;
coder->distance = opt->dist;
// Initialize the rest of the variables.
coder->pos = 0;
memzero(coder->history, LZMA_DELTA_DIST_MAX);
// Initialize the next decoder in the chain, if any.
return lzma_next_filter_init(&coder->next, allocator, filters + 1);
}
extern uint64_t
lzma_delta_coder_memusage(const void *options)
{
const lzma_options_delta *opt = options;
if (opt == NULL || opt->type != LZMA_DELTA_TYPE_BYTE
|| opt->dist < LZMA_DELTA_DIST_MIN
|| opt->dist > LZMA_DELTA_DIST_MAX)
return UINT64_MAX;
return sizeof(lzma_delta_coder);
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file delta_common.h
/// \brief Common stuff for Delta encoder and decoder
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef LZMA_DELTA_COMMON_H
#define LZMA_DELTA_COMMON_H
#include "common.h"
extern uint64_t lzma_delta_coder_memusage(const void *options);
#endif

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///////////////////////////////////////////////////////////////////////////////
//
/// \file delta_decoder.c
/// \brief Delta filter decoder
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "delta_decoder.h"
#include "delta_private.h"
static void
decode_buffer(lzma_delta_coder *coder, uint8_t *buffer, size_t size)
{
const size_t distance = coder->distance;
for (size_t i = 0; i < size; ++i) {
buffer[i] += coder->history[(distance + coder->pos) & 0xFF];
coder->history[coder->pos-- & 0xFF] = buffer[i];
}
}
static lzma_ret
delta_decode(void *coder_ptr, const lzma_allocator *allocator,
const uint8_t *restrict in, size_t *restrict in_pos,
size_t in_size, uint8_t *restrict out,
size_t *restrict out_pos, size_t out_size, lzma_action action)
{
lzma_delta_coder *coder = coder_ptr;
assert(coder->next.code != NULL);
const size_t out_start = *out_pos;
const lzma_ret ret = coder->next.code(coder->next.coder, allocator,
in, in_pos, in_size, out, out_pos, out_size,
action);
decode_buffer(coder, out + out_start, *out_pos - out_start);
return ret;
}
extern lzma_ret
lzma_delta_decoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
const lzma_filter_info *filters)
{
next->code = &delta_decode;
return lzma_delta_coder_init(next, allocator, filters);
}
extern lzma_ret
lzma_delta_props_decode(void **options, const lzma_allocator *allocator,
const uint8_t *props, size_t props_size)
{
if (props_size != 1)
return LZMA_OPTIONS_ERROR;
lzma_options_delta *opt
= lzma_alloc(sizeof(lzma_options_delta), allocator);
if (opt == NULL)
return LZMA_MEM_ERROR;
opt->type = LZMA_DELTA_TYPE_BYTE;
opt->dist = props[0] + 1;
*options = opt;
return LZMA_OK;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file delta_decoder.h
/// \brief Delta filter decoder
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef LZMA_DELTA_DECODER_H
#define LZMA_DELTA_DECODER_H
#include "delta_common.h"
extern lzma_ret lzma_delta_decoder_init(lzma_next_coder *next,
const lzma_allocator *allocator,
const lzma_filter_info *filters);
extern lzma_ret lzma_delta_props_decode(
void **options, const lzma_allocator *allocator,
const uint8_t *props, size_t props_size);
#endif

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///////////////////////////////////////////////////////////////////////////////
//
/// \file delta_encoder.c
/// \brief Delta filter encoder
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "delta_encoder.h"
#include "delta_private.h"
/// Copies and encodes the data at the same time. This is used when Delta
/// is the first filter in the chain (and thus the last filter in the
/// encoder's filter stack).
static void
copy_and_encode(lzma_delta_coder *coder,
const uint8_t *restrict in, uint8_t *restrict out, size_t size)
{
const size_t distance = coder->distance;
for (size_t i = 0; i < size; ++i) {
const uint8_t tmp = coder->history[
(distance + coder->pos) & 0xFF];
coder->history[coder->pos-- & 0xFF] = in[i];
out[i] = in[i] - tmp;
}
}
/// Encodes the data in place. This is used when we are the last filter
/// in the chain (and thus non-last filter in the encoder's filter stack).
static void
encode_in_place(lzma_delta_coder *coder, uint8_t *buffer, size_t size)
{
const size_t distance = coder->distance;
for (size_t i = 0; i < size; ++i) {
const uint8_t tmp = coder->history[
(distance + coder->pos) & 0xFF];
coder->history[coder->pos-- & 0xFF] = buffer[i];
buffer[i] -= tmp;
}
}
static lzma_ret
delta_encode(void *coder_ptr, const lzma_allocator *allocator,
const uint8_t *restrict in, size_t *restrict in_pos,
size_t in_size, uint8_t *restrict out,
size_t *restrict out_pos, size_t out_size, lzma_action action)
{
lzma_delta_coder *coder = coder_ptr;
lzma_ret ret;
if (coder->next.code == NULL) {
const size_t in_avail = in_size - *in_pos;
const size_t out_avail = out_size - *out_pos;
const size_t size = my_min(in_avail, out_avail);
copy_and_encode(coder, in + *in_pos, out + *out_pos, size);
*in_pos += size;
*out_pos += size;
ret = action != LZMA_RUN && *in_pos == in_size
? LZMA_STREAM_END : LZMA_OK;
} else {
const size_t out_start = *out_pos;
ret = coder->next.code(coder->next.coder, allocator,
in, in_pos, in_size, out, out_pos, out_size,
action);
encode_in_place(coder, out + out_start, *out_pos - out_start);
}
return ret;
}
static lzma_ret
delta_encoder_update(void *coder_ptr, const lzma_allocator *allocator,
const lzma_filter *filters_null lzma_attribute((__unused__)),
const lzma_filter *reversed_filters)
{
lzma_delta_coder *coder = coder_ptr;
// Delta doesn't and will never support changing the options in
// the middle of encoding. If the app tries to change them, we
// simply ignore them.
return lzma_next_filter_update(
&coder->next, allocator, reversed_filters + 1);
}
extern lzma_ret
lzma_delta_encoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
const lzma_filter_info *filters)
{
next->code = &delta_encode;
next->update = &delta_encoder_update;
return lzma_delta_coder_init(next, allocator, filters);
}
extern lzma_ret
lzma_delta_props_encode(const void *options, uint8_t *out)
{
// The caller must have already validated the options, so it's
// LZMA_PROG_ERROR if they are invalid.
if (lzma_delta_coder_memusage(options) == UINT64_MAX)
return LZMA_PROG_ERROR;
const lzma_options_delta *opt = options;
out[0] = opt->dist - LZMA_DELTA_DIST_MIN;
return LZMA_OK;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file delta_encoder.h
/// \brief Delta filter encoder
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef LZMA_DELTA_ENCODER_H
#define LZMA_DELTA_ENCODER_H
#include "delta_common.h"
extern lzma_ret lzma_delta_encoder_init(lzma_next_coder *next,
const lzma_allocator *allocator,
const lzma_filter_info *filters);
extern lzma_ret lzma_delta_props_encode(const void *options, uint8_t *out);
#endif

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///////////////////////////////////////////////////////////////////////////////
//
/// \file delta_private.h
/// \brief Private common stuff for Delta encoder and decoder
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef LZMA_DELTA_PRIVATE_H
#define LZMA_DELTA_PRIVATE_H
#include "delta_common.h"
typedef struct {
/// Next coder in the chain
lzma_next_coder next;
/// Delta distance
size_t distance;
/// Position in history[]
uint8_t pos;
/// Buffer to hold history of the original data
uint8_t history[LZMA_DELTA_DIST_MAX];
} lzma_delta_coder;
extern lzma_ret lzma_delta_coder_init(
lzma_next_coder *next, const lzma_allocator *allocator,
const lzma_filter_info *filters);
#endif

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<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="16.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup Label="ProjectConfigurations">
<ProjectConfiguration Include="Debug|ARM64">
<Configuration>Debug</Configuration>
<Platform>ARM64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|x64">
<Configuration>Debug</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|ARM64">
<Configuration>Release</Configuration>
<Platform>ARM64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|x64">
<Configuration>Release</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
</ItemGroup>
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Externals/liblzma/lz/lz_decoder.c vendored Normal file
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///////////////////////////////////////////////////////////////////////////////
//
/// \file lz_decoder.c
/// \brief LZ out window
///
// Authors: Igor Pavlov
// Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
// liblzma supports multiple LZ77-based filters. The LZ part is shared
// between these filters. The LZ code takes care of dictionary handling
// and passing the data between filters in the chain. The filter-specific
// part decodes from the input buffer to the dictionary.
#include "lz_decoder.h"
typedef struct {
/// Dictionary (history buffer)
lzma_dict dict;
/// The actual LZ-based decoder e.g. LZMA
lzma_lz_decoder lz;
/// Next filter in the chain, if any. Note that LZMA and LZMA2 are
/// only allowed as the last filter, but the long-range filter in
/// future can be in the middle of the chain.
lzma_next_coder next;
/// True if the next filter in the chain has returned LZMA_STREAM_END.
bool next_finished;
/// True if the LZ decoder (e.g. LZMA) has detected end of payload
/// marker. This may become true before next_finished becomes true.
bool this_finished;
/// Temporary buffer needed when the LZ-based filter is not the last
/// filter in the chain. The output of the next filter is first
/// decoded into buffer[], which is then used as input for the actual
/// LZ-based decoder.
struct {
size_t pos;
size_t size;
uint8_t buffer[LZMA_BUFFER_SIZE];
} temp;
} lzma_coder;
static void
lz_decoder_reset(lzma_coder *coder)
{
coder->dict.pos = 0;
coder->dict.full = 0;
coder->dict.buf[coder->dict.size - 1] = '\0';
coder->dict.need_reset = false;
return;
}
static lzma_ret
decode_buffer(lzma_coder *coder,
const uint8_t *restrict in, size_t *restrict in_pos,
size_t in_size, uint8_t *restrict out,
size_t *restrict out_pos, size_t out_size)
{
while (true) {
// Wrap the dictionary if needed.
if (coder->dict.pos == coder->dict.size)
coder->dict.pos = 0;
// Store the current dictionary position. It is needed to know
// where to start copying to the out[] buffer.
const size_t dict_start = coder->dict.pos;
// Calculate how much we allow coder->lz.code() to decode.
// It must not decode past the end of the dictionary
// buffer, and we don't want it to decode more than is
// actually needed to fill the out[] buffer.
coder->dict.limit = coder->dict.pos
+ my_min(out_size - *out_pos,
coder->dict.size - coder->dict.pos);
// Call the coder->lz.code() to do the actual decoding.
const lzma_ret ret = coder->lz.code(
coder->lz.coder, &coder->dict,
in, in_pos, in_size);
// Copy the decoded data from the dictionary to the out[]
// buffer.
const size_t copy_size = coder->dict.pos - dict_start;
assert(copy_size <= out_size - *out_pos);
memcpy(out + *out_pos, coder->dict.buf + dict_start,
copy_size);
*out_pos += copy_size;
// Reset the dictionary if so requested by coder->lz.code().
if (coder->dict.need_reset) {
lz_decoder_reset(coder);
// Since we reset dictionary, we don't check if
// dictionary became full.
if (ret != LZMA_OK || *out_pos == out_size)
return ret;
} else {
// Return if everything got decoded or an error
// occurred, or if there's no more data to decode.
//
// Note that detecting if there's something to decode
// is done by looking if dictionary become full
// instead of looking if *in_pos == in_size. This
// is because it is possible that all the input was
// consumed already but some data is pending to be
// written to the dictionary.
if (ret != LZMA_OK || *out_pos == out_size
|| coder->dict.pos < coder->dict.size)
return ret;
}
}
}
static lzma_ret
lz_decode(void *coder_ptr,
const lzma_allocator *allocator lzma_attribute((__unused__)),
const uint8_t *restrict in, size_t *restrict in_pos,
size_t in_size, uint8_t *restrict out,
size_t *restrict out_pos, size_t out_size,
lzma_action action)
{
lzma_coder *coder = coder_ptr;
if (coder->next.code == NULL)
return decode_buffer(coder, in, in_pos, in_size,
out, out_pos, out_size);
// We aren't the last coder in the chain, we need to decode
// our input to a temporary buffer.
while (*out_pos < out_size) {
// Fill the temporary buffer if it is empty.
if (!coder->next_finished
&& coder->temp.pos == coder->temp.size) {
coder->temp.pos = 0;
coder->temp.size = 0;
const lzma_ret ret = coder->next.code(
coder->next.coder,
allocator, in, in_pos, in_size,
coder->temp.buffer, &coder->temp.size,
LZMA_BUFFER_SIZE, action);
if (ret == LZMA_STREAM_END)
coder->next_finished = true;
else if (ret != LZMA_OK || coder->temp.size == 0)
return ret;
}
if (coder->this_finished) {
if (coder->temp.size != 0)
return LZMA_DATA_ERROR;
if (coder->next_finished)
return LZMA_STREAM_END;
return LZMA_OK;
}
const lzma_ret ret = decode_buffer(coder, coder->temp.buffer,
&coder->temp.pos, coder->temp.size,
out, out_pos, out_size);
if (ret == LZMA_STREAM_END)
coder->this_finished = true;
else if (ret != LZMA_OK)
return ret;
else if (coder->next_finished && *out_pos < out_size)
return LZMA_DATA_ERROR;
}
return LZMA_OK;
}
static void
lz_decoder_end(void *coder_ptr, const lzma_allocator *allocator)
{
lzma_coder *coder = coder_ptr;
lzma_next_end(&coder->next, allocator);
lzma_free(coder->dict.buf, allocator);
if (coder->lz.end != NULL)
coder->lz.end(coder->lz.coder, allocator);
else
lzma_free(coder->lz.coder, allocator);
lzma_free(coder, allocator);
return;
}
extern lzma_ret
lzma_lz_decoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
const lzma_filter_info *filters,
lzma_ret (*lz_init)(lzma_lz_decoder *lz,
const lzma_allocator *allocator, const void *options,
lzma_lz_options *lz_options))
{
// Allocate the base structure if it isn't already allocated.
lzma_coder *coder = next->coder;
if (coder == NULL) {
coder = lzma_alloc(sizeof(lzma_coder), allocator);
if (coder == NULL)
return LZMA_MEM_ERROR;
next->coder = coder;
next->code = &lz_decode;
next->end = &lz_decoder_end;
coder->dict.buf = NULL;
coder->dict.size = 0;
coder->lz = LZMA_LZ_DECODER_INIT;
coder->next = LZMA_NEXT_CODER_INIT;
}
// Allocate and initialize the LZ-based decoder. It will also give
// us the dictionary size.
lzma_lz_options lz_options;
return_if_error(lz_init(&coder->lz, allocator,
filters[0].options, &lz_options));
// If the dictionary size is very small, increase it to 4096 bytes.
// This is to prevent constant wrapping of the dictionary, which
// would slow things down. The downside is that since we don't check
// separately for the real dictionary size, we may happily accept
// corrupt files.
if (lz_options.dict_size < 4096)
lz_options.dict_size = 4096;
// Make dictionary size a multipe of 16. Some LZ-based decoders like
// LZMA use the lowest bits lzma_dict.pos to know the alignment of the
// data. Aligned buffer is also good when memcpying from the
// dictionary to the output buffer, since applications are
// recommended to give aligned buffers to liblzma.
//
// Avoid integer overflow.
if (lz_options.dict_size > SIZE_MAX - 15)
return LZMA_MEM_ERROR;
lz_options.dict_size = (lz_options.dict_size + 15) & ~((size_t)(15));
// Allocate and initialize the dictionary.
if (coder->dict.size != lz_options.dict_size) {
lzma_free(coder->dict.buf, allocator);
coder->dict.buf
= lzma_alloc(lz_options.dict_size, allocator);
if (coder->dict.buf == NULL)
return LZMA_MEM_ERROR;
coder->dict.size = lz_options.dict_size;
}
lz_decoder_reset(next->coder);
// Use the preset dictionary if it was given to us.
if (lz_options.preset_dict != NULL
&& lz_options.preset_dict_size > 0) {
// If the preset dictionary is bigger than the actual
// dictionary, copy only the tail.
const size_t copy_size = my_min(lz_options.preset_dict_size,
lz_options.dict_size);
const size_t offset = lz_options.preset_dict_size - copy_size;
memcpy(coder->dict.buf, lz_options.preset_dict + offset,
copy_size);
coder->dict.pos = copy_size;
coder->dict.full = copy_size;
}
// Miscellaneous initializations
coder->next_finished = false;
coder->this_finished = false;
coder->temp.pos = 0;
coder->temp.size = 0;
// Initialize the next filter in the chain, if any.
return lzma_next_filter_init(&coder->next, allocator, filters + 1);
}
extern uint64_t
lzma_lz_decoder_memusage(size_t dictionary_size)
{
return sizeof(lzma_coder) + (uint64_t)(dictionary_size);
}
extern void
lzma_lz_decoder_uncompressed(void *coder_ptr, lzma_vli uncompressed_size)
{
lzma_coder *coder = coder_ptr;
coder->lz.set_uncompressed(coder->lz.coder, uncompressed_size);
}

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