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GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.
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Installation Instructions
*************************
Copyright (C) 1994-1996, 1999-2002, 2004-2013 Free Software Foundation,
Inc.
Copying and distribution of this file, with or without modification,
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Basic Installation
==================
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configure, build, and install this package. The following
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in *note Makefile Conventions: (standards)Makefile Conventions.
The `configure' shell script attempts to guess correct values for
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The simplest way to compile this package is:
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Running `configure' might take a while. While running, it prints
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This target is generally not run by end users.
Compilers and Options
=====================
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./configure CC=c99 CFLAGS=-g LIBS=-lposix
*Note Defining Variables::, for more details.
Compiling For Multiple Architectures
====================================
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CXX="g++ -arch i386 -arch x86_64 -arch ppc -arch ppc64" \
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This is not guaranteed to produce working output in all cases, you
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Installation Names
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Optional Features
=================
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Particular systems
==================
On HP-UX, the default C compiler is not ANSI C compatible. If GNU
CC is not installed, it is recommended to use the following options in
order to use an ANSI C compiler:
./configure CC="cc -Ae -D_XOPEN_SOURCE=500"
and if that doesn't work, install pre-built binaries of GCC for HP-UX.
HP-UX `make' updates targets which have the same time stamps as
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generated files such as `configure' are involved. Use GNU `make'
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On OSF/1 a.k.a. Tru64, some versions of the default C compiler cannot
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./configure CC="cc"
and if that doesn't work, try
./configure CC="cc -nodtk"
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On Haiku, software installed for all users goes in `/boot/common',
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./configure --prefix=/boot/common
Specifying the System Type
==========================
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where SYSTEM can have one of these forms:
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See the file `config.sub' for the possible values of each field. If
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If you are _building_ compiler tools for cross-compiling, you should
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Sharing Defaults
================
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Defining Variables
==================
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./configure CC=/usr/local2/bin/gcc
causes the specified `gcc' to be used as the C compiler (unless it is
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Unfortunately, this technique does not work for `CONFIG_SHELL' due to
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CONFIG_SHELL=/bin/bash ./configure CONFIG_SHELL=/bin/bash
`configure' Invocation
======================
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`--help'
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Print a summary of all of the options to `configure', and exit.
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Print a summary of the options unique to this package's
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Print the version of Autoconf used to generate the `configure'
script, and exit.
`--cache-file=FILE'
Enable the cache: use and save the results of the tests in FILE,
traditionally `config.cache'. FILE defaults to `/dev/null' to
disable caching.
`--config-cache'
`-C'
Alias for `--cache-file=config.cache'.
`--quiet'
`--silent'
`-q'
Do not print messages saying which checks are being made. To
suppress all normal output, redirect it to `/dev/null' (any error
messages will still be shown).
`--srcdir=DIR'
Look for the package's source code in directory DIR. Usually
`configure' can determine that directory automatically.
`--prefix=DIR'
Use DIR as the installation prefix. *note Installation Names::
for more details, including other options available for fine-tuning
the installation locations.
`--no-create'
`-n'
Run the configure checks, but stop before creating any output
files.
`configure' also accepts some other, not widely useful, options. Run
`configure --help' for more details.

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ACLOCAL_AMFLAGS = -I m4
bin_PROGRAMS = xdelta3
noinst_PROGRAMS = xdelta3regtest xdelta3decode
export AFL_HARDEN
common_SOURCES = \
xdelta3-blkcache.h \
xdelta3-decode.h \
xdelta3-djw.h \
xdelta3-fgk.h \
xdelta3-hash.h \
xdelta3-internal.h \
xdelta3-list.h \
xdelta3-lzma.h \
xdelta3-main.h \
xdelta3-merge.h \
xdelta3-second.h \
xdelta3-test.h \
xdelta3-cfgs.h \
xdelta3.h
xdelta3_SOURCES = $(common_SOURCES) xdelta3.c
xdelta3decode_SOURCES = $(common_SOURCES) xdelta3.c
xdelta3regtest_SOURCES = $(common_SOURCES) \
testing/cmp.h \
testing/delta.h \
testing/file.h \
testing/modify.h \
testing/random.h \
testing/regtest.cc \
testing/regtest_c.c \
testing/segment.h \
testing/sizes.h \
testing/test.h
# Note: for extra sanity checks, enable -Wconversion. Note there
# are a lot of false positives.
WFLAGS = -Wall -Wshadow -fno-builtin -Wextra -Wsign-compare \
-Wextra -Wno-unused-parameter -Wno-unused-function
C_WFLAGS = $(WFLAGS) -pedantic -std=c99
CXX_WFLAGS = $(WFLAGS)
common_CFLAGS = \
-DREGRESSION_TEST=1 \
-DSECONDARY_DJW=1 \
-DSECONDARY_FGK=1 \
-DXD3_MAIN=1
if DEBUG_SYMBOLS
common_CFLAGS += -g
endif
#common_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
#common_CFLAGS += -O2
# For additional debugging, add -DXD3_DEBUG=1, 2, 3, ...
xdelta3_CFLAGS = $(C_WFLAGS) $(common_CFLAGS) -DXD3_DEBUG=0
xdelta3_LDADD = -lm
xdelta3decode_CFLAGS = \
$(C_WFLAGS) \
-DREGRESSION_TEST=0 \
-DSECONDARY_DJW=0 \
-DSECONDARY_FGK=0 \
-DSECONDARY_LZMA=0 \
-DXD3_MAIN=1 \
-DXD3_ENCODER=0 \
-DXD3_STDIO=1 \
-DEXTERNAL_COMPRESSION=0 \
-DVCDIFF_TOOLS=0
xdelta3regtest_CXXFLAGS = \
$(CXX_WFLAGS) $(common_CFLAGS) -DNOT_MAIN=1 -DXD3_DEBUG=1
xdelta3regtest_CFLAGS = \
$(C_WFLAGS) $(common_CFLAGS) -DNOT_MAIN=1 -DXD3_DEBUG=1
xdelta3regtest_LDADD = -lm
man1_MANS = xdelta3.1
EXTRA_DIST = \
README.md \
run_release.sh \
draft-korn-vcdiff.txt \
examples/Makefile \
examples/README.md \
examples/checksum_test.cc \
examples/compare_test.c \
examples/encode_decode_test.c \
examples/small_page_test.c \
examples/speed_test.c \
examples/test.h \
examples/iOS/xdelta3-ios-test/xdelta3-ios-test.xcodeproj/project.pbxproj \
examples/iOS/xdelta3-ios-test/xdelta3-ios-test/Xd3iOSAppDelegate.h \
examples/iOS/xdelta3-ios-test/xdelta3-ios-test/Xd3iOSAppDelegate.m \
examples/iOS/xdelta3-ios-test/xdelta3-ios-test/Xd3iOSViewController.h \
examples/iOS/xdelta3-ios-test/xdelta3-ios-test/Xd3iOSViewController.m \
examples/iOS/xdelta3-ios-test/xdelta3-ios-test/en.lproj/InfoPlist.strings \
examples/iOS/xdelta3-ios-test/xdelta3-ios-test/en.lproj/MainStoryboard_iPad.storyboard \
examples/iOS/xdelta3-ios-test/xdelta3-ios-test/en.lproj/MainStoryboard_iPhone.storyboard \
examples/iOS/xdelta3-ios-test/xdelta3-ios-test/file_v1.bin \
examples/iOS/xdelta3-ios-test/xdelta3-ios-test/file_v1_to_v2.bin \
examples/iOS/xdelta3-ios-test/xdelta3-ios-test/file_v2.bin \
examples/iOS/xdelta3-ios-test/xdelta3-ios-test/main.m \
examples/iOS/xdelta3-ios-test/xdelta3-ios-test/xdelta3-ios-test-Info.plist \
examples/iOS/xdelta3-ios-test/xdelta3-ios-test/xdelta3-ios-test-Prefix.pch \
testing/xdelta3-regtest.py \
testing/xdelta3-test.py \
xdelta3.1 \
xdelta3.i \
xdelta3.vcxproj \
xdelta3.wxi \
xdelta3.wxs
# Broken, removed from distribution:
# xdelta3_pywrap.c
# xdelta3.py
#PYFILES = xdelta3_pywrap.c xdelta3.py
#XDELTA3PY = xdelta3.py
#XDELTA3PYLIB = xdelta3.la
#BUILT_SOURCES = $(PYFILES)
#xdelta3_pywrap.c xdelta3.py : xdelta3.i
# $(SWIG) -python -o xdelta3_pywrap.c xdelta3.i
# OS X for some reason requires:
# pythondir = $(PYTHON_SITE_PKG)
# pyexecdir = $(PYTHON_SITE_PKG)
#python_PYTHON = $(XDELTA3PY)
#pyexec_LTLIBRARIES = $(XDELTA3PYLIB)
#_xdelta3_la_SOURCES = $(srcdir)/xdelta3_pywrap.c $(xdelta3_SOURCES)
#_xdelta3_la_CFLAGS = $(common_CFLAGS) -DNOT_MAIN=1 $(PYTHON_CPPFLAGS)
#_xdelta3_la_LDFLAGS = -module

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Xdelta 3.x readme.txt
Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
2009, 2010, 2011, 2012, 2013, 2014, 2015
<josh.macdonald@gmail.com>
Thanks for downloading Xdelta!
This directory contains the Xdelta3 command-line interface (CLI) and source
distribution for VCDIFF differential compression, a.k.a. delta
compression. The latest information and downloads are available here:
http://xdelta.org/
http://github.com/jmacd/xdelta/
Xdelta can be configured to use XZ Utils for secondary compression:
http://tukaani.org/xz/
The command-line syntax is detailed here:
https://github.com/jmacd/xdelta/blob/wiki/CommandLineSyntax.md
Run 'xdelta3 -h' for brief help. Run 'xdelta3 test' for built-in tests.
Sample commands (like gzip, -e means encode, -d means decode)
xdelta3 -9 -S lzma -e -f -s OLD_FILE NEW_FILE DELTA_FILE
xdelta3 -d -s OLD_FILE DELTA_FILE DECODED_FILE
File bug reports and browse open support issues here:
https://github.com/jmacd/xdelta/issues
The source distribution contains the C/C++/Python APIs, Unix, Microsoft VC++
and Cygwin builds. Xdelta3 is covered under the terms of the GPL, see
COPYING.
Commercial inquiries welcome, please contact <josh.macdonald@gmail.com>

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#! /bin/sh
# Wrapper for compilers which do not understand '-c -o'.
scriptversion=2012-10-14.11; # UTC
# Copyright (C) 1999-2014 Free Software Foundation, Inc.
# Written by Tom Tromey <tromey@cygnus.com>.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.
# This file is maintained in Automake, please report
# bugs to <bug-automake@gnu.org> or send patches to
# <automake-patches@gnu.org>.
nl='
'
# We need space, tab and new line, in precisely that order. Quoting is
# there to prevent tools from complaining about whitespace usage.
IFS=" "" $nl"
file_conv=
# func_file_conv build_file lazy
# Convert a $build file to $host form and store it in $file
# Currently only supports Windows hosts. If the determined conversion
# type is listed in (the comma separated) LAZY, no conversion will
# take place.
func_file_conv ()
{
file=$1
case $file in
/ | /[!/]*) # absolute file, and not a UNC file
if test -z "$file_conv"; then
# lazily determine how to convert abs files
case `uname -s` in
MINGW*)
file_conv=mingw
;;
CYGWIN*)
file_conv=cygwin
;;
*)
file_conv=wine
;;
esac
fi
case $file_conv/,$2, in
*,$file_conv,*)
;;
mingw/*)
file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'`
;;
cygwin/*)
file=`cygpath -m "$file" || echo "$file"`
;;
wine/*)
file=`winepath -w "$file" || echo "$file"`
;;
esac
;;
esac
}
# func_cl_dashL linkdir
# Make cl look for libraries in LINKDIR
func_cl_dashL ()
{
func_file_conv "$1"
if test -z "$lib_path"; then
lib_path=$file
else
lib_path="$lib_path;$file"
fi
linker_opts="$linker_opts -LIBPATH:$file"
}
# func_cl_dashl library
# Do a library search-path lookup for cl
func_cl_dashl ()
{
lib=$1
found=no
save_IFS=$IFS
IFS=';'
for dir in $lib_path $LIB
do
IFS=$save_IFS
if $shared && test -f "$dir/$lib.dll.lib"; then
found=yes
lib=$dir/$lib.dll.lib
break
fi
if test -f "$dir/$lib.lib"; then
found=yes
lib=$dir/$lib.lib
break
fi
if test -f "$dir/lib$lib.a"; then
found=yes
lib=$dir/lib$lib.a
break
fi
done
IFS=$save_IFS
if test "$found" != yes; then
lib=$lib.lib
fi
}
# func_cl_wrapper cl arg...
# Adjust compile command to suit cl
func_cl_wrapper ()
{
# Assume a capable shell
lib_path=
shared=:
linker_opts=
for arg
do
if test -n "$eat"; then
eat=
else
case $1 in
-o)
# configure might choose to run compile as 'compile cc -o foo foo.c'.
eat=1
case $2 in
*.o | *.[oO][bB][jJ])
func_file_conv "$2"
set x "$@" -Fo"$file"
shift
;;
*)
func_file_conv "$2"
set x "$@" -Fe"$file"
shift
;;
esac
;;
-I)
eat=1
func_file_conv "$2" mingw
set x "$@" -I"$file"
shift
;;
-I*)
func_file_conv "${1#-I}" mingw
set x "$@" -I"$file"
shift
;;
-l)
eat=1
func_cl_dashl "$2"
set x "$@" "$lib"
shift
;;
-l*)
func_cl_dashl "${1#-l}"
set x "$@" "$lib"
shift
;;
-L)
eat=1
func_cl_dashL "$2"
;;
-L*)
func_cl_dashL "${1#-L}"
;;
-static)
shared=false
;;
-Wl,*)
arg=${1#-Wl,}
save_ifs="$IFS"; IFS=','
for flag in $arg; do
IFS="$save_ifs"
linker_opts="$linker_opts $flag"
done
IFS="$save_ifs"
;;
-Xlinker)
eat=1
linker_opts="$linker_opts $2"
;;
-*)
set x "$@" "$1"
shift
;;
*.cc | *.CC | *.cxx | *.CXX | *.[cC]++)
func_file_conv "$1"
set x "$@" -Tp"$file"
shift
;;
*.c | *.cpp | *.CPP | *.lib | *.LIB | *.Lib | *.OBJ | *.obj | *.[oO])
func_file_conv "$1" mingw
set x "$@" "$file"
shift
;;
*)
set x "$@" "$1"
shift
;;
esac
fi
shift
done
if test -n "$linker_opts"; then
linker_opts="-link$linker_opts"
fi
exec "$@" $linker_opts
exit 1
}
eat=
case $1 in
'')
echo "$0: No command. Try '$0 --help' for more information." 1>&2
exit 1;
;;
-h | --h*)
cat <<\EOF
Usage: compile [--help] [--version] PROGRAM [ARGS]
Wrapper for compilers which do not understand '-c -o'.
Remove '-o dest.o' from ARGS, run PROGRAM with the remaining
arguments, and rename the output as expected.
If you are trying to build a whole package this is not the
right script to run: please start by reading the file 'INSTALL'.
Report bugs to <bug-automake@gnu.org>.
EOF
exit $?
;;
-v | --v*)
echo "compile $scriptversion"
exit $?
;;
cl | *[/\\]cl | cl.exe | *[/\\]cl.exe )
func_cl_wrapper "$@" # Doesn't return...
;;
esac
ofile=
cfile=
for arg
do
if test -n "$eat"; then
eat=
else
case $1 in
-o)
# configure might choose to run compile as 'compile cc -o foo foo.c'.
# So we strip '-o arg' only if arg is an object.
eat=1
case $2 in
*.o | *.obj)
ofile=$2
;;
*)
set x "$@" -o "$2"
shift
;;
esac
;;
*.c)
cfile=$1
set x "$@" "$1"
shift
;;
*)
set x "$@" "$1"
shift
;;
esac
fi
shift
done
if test -z "$ofile" || test -z "$cfile"; then
# If no '-o' option was seen then we might have been invoked from a
# pattern rule where we don't need one. That is ok -- this is a
# normal compilation that the losing compiler can handle. If no
# '.c' file was seen then we are probably linking. That is also
# ok.
exec "$@"
fi
# Name of file we expect compiler to create.
cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'`
# Create the lock directory.
# Note: use '[/\\:.-]' here to ensure that we don't use the same name
# that we are using for the .o file. Also, base the name on the expected
# object file name, since that is what matters with a parallel build.
lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d
while true; do
if mkdir "$lockdir" >/dev/null 2>&1; then
break
fi
sleep 1
done
# FIXME: race condition here if user kills between mkdir and trap.
trap "rmdir '$lockdir'; exit 1" 1 2 15
# Run the compile.
"$@"
ret=$?
if test -f "$cofile"; then
test "$cofile" = "$ofile" || mv "$cofile" "$ofile"
elif test -f "${cofile}bj"; then
test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile"
fi
rmdir "$lockdir"
exit $ret
# Local Variables:
# mode: shell-script
# sh-indentation: 2
# eval: (add-hook 'write-file-hooks 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
# time-stamp-time-zone: "UTC"
# time-stamp-end: "; # UTC"
# End:

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extern/xdelta3/config.h vendored Normal file
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/* config.h. Generated from config.h.in by configure. */
/* config.h.in. Generated from configure.ac by autoheader. */
/* Define if pointers to integers require aligned access */
/* #undef HAVE_ALIGNED_ACCESS_REQUIRED */
/* Define to 1 if you have the <dlfcn.h> header file. */
#define HAVE_DLFCN_H 1
/* Define to 1 if you have the <inttypes.h> header file. */
#define HAVE_INTTYPES_H 1
/* Define to 1 if you have the `lzma' library (-llzma). */
/* #undef HAVE_LIBLZMA */
/* Define to 1 if you have the <lzma.h> header file. */
/* #undef HAVE_LZMA_H */
/* Define to 1 if you have the <memory.h> header file. */
#define HAVE_MEMORY_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. */
#define HAVE_STRINGS_H 1
/* Define to 1 if you have the <string.h> header file. */
#define HAVE_STRING_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/types.h> header file. */
#define HAVE_SYS_TYPES_H 1
/* Define to 1 if you have the <unistd.h> header file. */
#define HAVE_UNISTD_H 1
/* Define to the sub-directory where libtool stores uninstalled libraries. */
#define LT_OBJDIR ".libs/"
/* Define to the address where bug reports for this package should be sent. */
#define PACKAGE_BUGREPORT "josh.macdonald@gmail.com"
/* Define to the full name of this package. */
#define PACKAGE_NAME "Xdelta3"
/* Define to the full name and version of this package. */
#define PACKAGE_STRING "Xdelta3 3.0.11"
/* Define to the one symbol short name of this package. */
#define PACKAGE_TARNAME "xdelta3"
/* Define to the home page for this package. */
#define PACKAGE_URL "http://xdelta.org/"
/* The size of `size_t', as computed by sizeof. */
#define SIZEOF_SIZE_T 8
/* The size of `unsigned int', as computed by sizeof. */
#define SIZEOF_UNSIGNED_INT 4
/* The size of `unsigned long', as computed by sizeof. */
#define SIZEOF_UNSIGNED_LONG 8
/* The size of `unsigned long long', as computed by sizeof. */
#define SIZEOF_UNSIGNED_LONG_LONG 8
/* Define to 1 if you have the ANSI C header files. */
#define STDC_HEADERS 1

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/* config.h.in. Generated from configure.ac by autoheader. */
/* Define if pointers to integers require aligned access */
#undef HAVE_ALIGNED_ACCESS_REQUIRED
/* Define to 1 if you have the <dlfcn.h> header file. */
#undef HAVE_DLFCN_H
/* Define to 1 if you have the <inttypes.h> header file. */
#undef HAVE_INTTYPES_H
/* Define to 1 if you have the `lzma' library (-llzma). */
#undef HAVE_LIBLZMA
/* Define to 1 if you have the <lzma.h> header file. */
#undef HAVE_LZMA_H
/* Define to 1 if you have the <memory.h> header file. */
#undef HAVE_MEMORY_H
/* Define to 1 if you have the <stdint.h> header file. */
#undef HAVE_STDINT_H
/* Define to 1 if you have the <stdlib.h> header file. */
#undef HAVE_STDLIB_H
/* Define to 1 if you have the <strings.h> header file. */
#undef HAVE_STRINGS_H
/* Define to 1 if you have the <string.h> header file. */
#undef HAVE_STRING_H
/* Define to 1 if you have the <sys/stat.h> header file. */
#undef HAVE_SYS_STAT_H
/* Define to 1 if you have the <sys/types.h> header file. */
#undef HAVE_SYS_TYPES_H
/* Define to 1 if you have the <unistd.h> header file. */
#undef HAVE_UNISTD_H
/* Define to the sub-directory where libtool stores uninstalled libraries. */
#undef LT_OBJDIR
/* Define to the address where bug reports for this package should be sent. */
#undef PACKAGE_BUGREPORT
/* Define to the full name of this package. */
#undef PACKAGE_NAME
/* Define to the full name and version of this package. */
#undef PACKAGE_STRING
/* Define to the one symbol short name of this package. */
#undef PACKAGE_TARNAME
/* Define to the home page for this package. */
#undef PACKAGE_URL
/* Define to the version of this package. */
#undef PACKAGE_VERSION
/* The size of `size_t', as computed by sizeof. */
#undef SIZEOF_SIZE_T
/* The size of `unsigned int', as computed by sizeof. */
#undef SIZEOF_UNSIGNED_INT
/* The size of `unsigned long', as computed by sizeof. */
#undef SIZEOF_UNSIGNED_LONG
/* The size of `unsigned long long', as computed by sizeof. */
#undef SIZEOF_UNSIGNED_LONG_LONG
/* Define to 1 if you have the ANSI C header files. */
#undef STDC_HEADERS

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AC_INIT([Xdelta3], [3.0.11], [josh.macdonald@gmail.com],
[xdelta3], [http://xdelta.org/])
AC_PREREQ([2.68])
AC_CONFIG_MACRO_DIR([m4])
LT_INIT
AM_INIT_AUTOMAKE([1.9 no-define foreign tar-ustar subdir-objects])
AX_CHECK_ALIGNED_ACCESS_REQUIRED
AC_PROG_CC
AC_PROG_CXX
AC_CHECK_SIZEOF(size_t)
AC_CHECK_SIZEOF(unsigned int)
AC_CHECK_SIZEOF(unsigned long)
AC_CHECK_SIZEOF(unsigned long long)
AC_ARG_WITH(
[liblzma],
[AC_HELP_STRING(
[--with-liblzma],
[build with liblzma support @<:@default=autodetect@:>@])],
[USE_LIBLZMA=$withval],
[USE_LIBLZMA=auto])
if test "x$USE_LIBLZMA" != xno ; then
AC_CHECK_HEADERS([lzma.h],,[
if test "x$with_liblzma" = xyes ; then
AC_MSG_FAILURE([liblzma includes were not found])
fi])
AC_CHECK_LIB([lzma], [lzma_easy_buffer_encode],,[
if test "x$with_liblzma" = xyes ; then
AC_MSG_FAILURE([liblzma library were not found])
fi])
fi
#AM_PATH_PYTHON(,, [:])
#AM_CONDITIONAL([HAVE_PYTHON], [test "$PYTHON" != :])
#AX_PYTHON_DEVEL()
#AX_PKG_SWIG(2.0.0,,)
#AX_SWIG_PYTHON
dnl --enable-debug-symbols : build with debug symbols?
AC_ARG_ENABLE(debug-symbols,
AS_HELP_STRING(--enable-debug-symbols,[Build with debug symbols (default is NO)]),,enableval=no)
AM_CONDITIONAL([DEBUG_SYMBOLS], [test ${enableval} = "yes"])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_FILES([Makefile])
AC_OUTPUT

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#! /bin/sh
# depcomp - compile a program generating dependencies as side-effects
scriptversion=2013-05-30.07; # UTC
# Copyright (C) 1999-2014 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.
# Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
case $1 in
'')
echo "$0: No command. Try '$0 --help' for more information." 1>&2
exit 1;
;;
-h | --h*)
cat <<\EOF
Usage: depcomp [--help] [--version] PROGRAM [ARGS]
Run PROGRAMS ARGS to compile a file, generating dependencies
as side-effects.
Environment variables:
depmode Dependency tracking mode.
source Source file read by 'PROGRAMS ARGS'.
object Object file output by 'PROGRAMS ARGS'.
DEPDIR directory where to store dependencies.
depfile Dependency file to output.
tmpdepfile Temporary file to use when outputting dependencies.
libtool Whether libtool is used (yes/no).
Report bugs to <bug-automake@gnu.org>.
EOF
exit $?
;;
-v | --v*)
echo "depcomp $scriptversion"
exit $?
;;
esac
# Get the directory component of the given path, and save it in the
# global variables '$dir'. Note that this directory component will
# be either empty or ending with a '/' character. This is deliberate.
set_dir_from ()
{
case $1 in
*/*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;;
*) dir=;;
esac
}
# Get the suffix-stripped basename of the given path, and save it the
# global variable '$base'.
set_base_from ()
{
base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'`
}
# If no dependency file was actually created by the compiler invocation,
# we still have to create a dummy depfile, to avoid errors with the
# Makefile "include basename.Plo" scheme.
make_dummy_depfile ()
{
echo "#dummy" > "$depfile"
}
# Factor out some common post-processing of the generated depfile.
# Requires the auxiliary global variable '$tmpdepfile' to be set.
aix_post_process_depfile ()
{
# If the compiler actually managed to produce a dependency file,
# post-process it.
if test -f "$tmpdepfile"; then
# Each line is of the form 'foo.o: dependency.h'.
# Do two passes, one to just change these to
# $object: dependency.h
# and one to simply output
# dependency.h:
# which is needed to avoid the deleted-header problem.
{ sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile"
sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile"
} > "$depfile"
rm -f "$tmpdepfile"
else
make_dummy_depfile
fi
}
# A tabulation character.
tab=' '
# A newline character.
nl='
'
# Character ranges might be problematic outside the C locale.
# These definitions help.
upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ
lower=abcdefghijklmnopqrstuvwxyz
digits=0123456789
alpha=${upper}${lower}
if test -z "$depmode" || test -z "$source" || test -z "$object"; then
echo "depcomp: Variables source, object and depmode must be set" 1>&2
exit 1
fi
# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
depfile=${depfile-`echo "$object" |
sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
rm -f "$tmpdepfile"
# Avoid interferences from the environment.
gccflag= dashmflag=
# Some modes work just like other modes, but use different flags. We
# parameterize here, but still list the modes in the big case below,
# to make depend.m4 easier to write. Note that we *cannot* use a case
# here, because this file can only contain one case statement.
if test "$depmode" = hp; then
# HP compiler uses -M and no extra arg.
gccflag=-M
depmode=gcc
fi
if test "$depmode" = dashXmstdout; then
# This is just like dashmstdout with a different argument.
dashmflag=-xM
depmode=dashmstdout
fi
cygpath_u="cygpath -u -f -"
if test "$depmode" = msvcmsys; then
# This is just like msvisualcpp but w/o cygpath translation.
# Just convert the backslash-escaped backslashes to single forward
# slashes to satisfy depend.m4
cygpath_u='sed s,\\\\,/,g'
depmode=msvisualcpp
fi
if test "$depmode" = msvc7msys; then
# This is just like msvc7 but w/o cygpath translation.
# Just convert the backslash-escaped backslashes to single forward
# slashes to satisfy depend.m4
cygpath_u='sed s,\\\\,/,g'
depmode=msvc7
fi
if test "$depmode" = xlc; then
# IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information.
gccflag=-qmakedep=gcc,-MF
depmode=gcc
fi
case "$depmode" in
gcc3)
## gcc 3 implements dependency tracking that does exactly what
## we want. Yay! Note: for some reason libtool 1.4 doesn't like
## it if -MD -MP comes after the -MF stuff. Hmm.
## Unfortunately, FreeBSD c89 acceptance of flags depends upon
## the command line argument order; so add the flags where they
## appear in depend2.am. Note that the slowdown incurred here
## affects only configure: in makefiles, %FASTDEP% shortcuts this.
for arg
do
case $arg in
-c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;;
*) set fnord "$@" "$arg" ;;
esac
shift # fnord
shift # $arg
done
"$@"
stat=$?
if test $stat -ne 0; then
rm -f "$tmpdepfile"
exit $stat
fi
mv "$tmpdepfile" "$depfile"
;;
gcc)
## Note that this doesn't just cater to obsosete pre-3.x GCC compilers.
## but also to in-use compilers like IMB xlc/xlC and the HP C compiler.
## (see the conditional assignment to $gccflag above).
## There are various ways to get dependency output from gcc. Here's
## why we pick this rather obscure method:
## - Don't want to use -MD because we'd like the dependencies to end
## up in a subdir. Having to rename by hand is ugly.
## (We might end up doing this anyway to support other compilers.)
## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
## -MM, not -M (despite what the docs say). Also, it might not be
## supported by the other compilers which use the 'gcc' depmode.
## - Using -M directly means running the compiler twice (even worse
## than renaming).
if test -z "$gccflag"; then
gccflag=-MD,
fi
"$@" -Wp,"$gccflag$tmpdepfile"
stat=$?
if test $stat -ne 0; then
rm -f "$tmpdepfile"
exit $stat
fi
rm -f "$depfile"
echo "$object : \\" > "$depfile"
# The second -e expression handles DOS-style file names with drive
# letters.
sed -e 's/^[^:]*: / /' \
-e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
## This next piece of magic avoids the "deleted header file" problem.
## The problem is that when a header file which appears in a .P file
## is deleted, the dependency causes make to die (because there is
## typically no way to rebuild the header). We avoid this by adding
## dummy dependencies for each header file. Too bad gcc doesn't do
## this for us directly.
## Some versions of gcc put a space before the ':'. On the theory
## that the space means something, we add a space to the output as
## well. hp depmode also adds that space, but also prefixes the VPATH
## to the object. Take care to not repeat it in the output.
## Some versions of the HPUX 10.20 sed can't process this invocation
## correctly. Breaking it into two sed invocations is a workaround.
tr ' ' "$nl" < "$tmpdepfile" \
| sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \
| sed -e 's/$/ :/' >> "$depfile"
rm -f "$tmpdepfile"
;;
hp)
# This case exists only to let depend.m4 do its work. It works by
# looking at the text of this script. This case will never be run,
# since it is checked for above.
exit 1
;;
sgi)
if test "$libtool" = yes; then
"$@" "-Wp,-MDupdate,$tmpdepfile"
else
"$@" -MDupdate "$tmpdepfile"
fi
stat=$?
if test $stat -ne 0; then
rm -f "$tmpdepfile"
exit $stat
fi
rm -f "$depfile"
if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files
echo "$object : \\" > "$depfile"
# Clip off the initial element (the dependent). Don't try to be
# clever and replace this with sed code, as IRIX sed won't handle
# lines with more than a fixed number of characters (4096 in
# IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines;
# the IRIX cc adds comments like '#:fec' to the end of the
# dependency line.
tr ' ' "$nl" < "$tmpdepfile" \
| sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \
| tr "$nl" ' ' >> "$depfile"
echo >> "$depfile"
# The second pass generates a dummy entry for each header file.
tr ' ' "$nl" < "$tmpdepfile" \
| sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
>> "$depfile"
else
make_dummy_depfile
fi
rm -f "$tmpdepfile"
;;
xlc)
# This case exists only to let depend.m4 do its work. It works by
# looking at the text of this script. This case will never be run,
# since it is checked for above.
exit 1
;;
aix)
# The C for AIX Compiler uses -M and outputs the dependencies
# in a .u file. In older versions, this file always lives in the
# current directory. Also, the AIX compiler puts '$object:' at the
# start of each line; $object doesn't have directory information.
# Version 6 uses the directory in both cases.
set_dir_from "$object"
set_base_from "$object"
if test "$libtool" = yes; then
tmpdepfile1=$dir$base.u
tmpdepfile2=$base.u
tmpdepfile3=$dir.libs/$base.u
"$@" -Wc,-M
else
tmpdepfile1=$dir$base.u
tmpdepfile2=$dir$base.u
tmpdepfile3=$dir$base.u
"$@" -M
fi
stat=$?
if test $stat -ne 0; then
rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
exit $stat
fi
for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
do
test -f "$tmpdepfile" && break
done
aix_post_process_depfile
;;
tcc)
# tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26
# FIXME: That version still under development at the moment of writing.
# Make that this statement remains true also for stable, released
# versions.
# It will wrap lines (doesn't matter whether long or short) with a
# trailing '\', as in:
#
# foo.o : \
# foo.c \
# foo.h \
#
# It will put a trailing '\' even on the last line, and will use leading
# spaces rather than leading tabs (at least since its commit 0394caf7
# "Emit spaces for -MD").
"$@" -MD -MF "$tmpdepfile"
stat=$?
if test $stat -ne 0; then
rm -f "$tmpdepfile"
exit $stat
fi
rm -f "$depfile"
# Each non-empty line is of the form 'foo.o : \' or ' dep.h \'.
# We have to change lines of the first kind to '$object: \'.
sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile"
# And for each line of the second kind, we have to emit a 'dep.h:'
# dummy dependency, to avoid the deleted-header problem.
sed -n -e 's|^ *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile"
rm -f "$tmpdepfile"
;;
## The order of this option in the case statement is important, since the
## shell code in configure will try each of these formats in the order
## listed in this file. A plain '-MD' option would be understood by many
## compilers, so we must ensure this comes after the gcc and icc options.
pgcc)
# Portland's C compiler understands '-MD'.
# Will always output deps to 'file.d' where file is the root name of the
# source file under compilation, even if file resides in a subdirectory.
# The object file name does not affect the name of the '.d' file.
# pgcc 10.2 will output
# foo.o: sub/foo.c sub/foo.h
# and will wrap long lines using '\' :
# foo.o: sub/foo.c ... \
# sub/foo.h ... \
# ...
set_dir_from "$object"
# Use the source, not the object, to determine the base name, since
# that's sadly what pgcc will do too.
set_base_from "$source"
tmpdepfile=$base.d
# For projects that build the same source file twice into different object
# files, the pgcc approach of using the *source* file root name can cause
# problems in parallel builds. Use a locking strategy to avoid stomping on
# the same $tmpdepfile.
lockdir=$base.d-lock
trap "
echo '$0: caught signal, cleaning up...' >&2
rmdir '$lockdir'
exit 1
" 1 2 13 15
numtries=100
i=$numtries
while test $i -gt 0; do
# mkdir is a portable test-and-set.
if mkdir "$lockdir" 2>/dev/null; then
# This process acquired the lock.
"$@" -MD
stat=$?
# Release the lock.
rmdir "$lockdir"
break
else
# If the lock is being held by a different process, wait
# until the winning process is done or we timeout.
while test -d "$lockdir" && test $i -gt 0; do
sleep 1
i=`expr $i - 1`
done
fi
i=`expr $i - 1`
done
trap - 1 2 13 15
if test $i -le 0; then
echo "$0: failed to acquire lock after $numtries attempts" >&2
echo "$0: check lockdir '$lockdir'" >&2
exit 1
fi
if test $stat -ne 0; then
rm -f "$tmpdepfile"
exit $stat
fi
rm -f "$depfile"
# Each line is of the form `foo.o: dependent.h',
# or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
# Do two passes, one to just change these to
# `$object: dependent.h' and one to simply `dependent.h:'.
sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
# Some versions of the HPUX 10.20 sed can't process this invocation
# correctly. Breaking it into two sed invocations is a workaround.
sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \
| sed -e 's/$/ :/' >> "$depfile"
rm -f "$tmpdepfile"
;;
hp2)
# The "hp" stanza above does not work with aCC (C++) and HP's ia64
# compilers, which have integrated preprocessors. The correct option
# to use with these is +Maked; it writes dependencies to a file named
# 'foo.d', which lands next to the object file, wherever that
# happens to be.
# Much of this is similar to the tru64 case; see comments there.
set_dir_from "$object"
set_base_from "$object"
if test "$libtool" = yes; then
tmpdepfile1=$dir$base.d
tmpdepfile2=$dir.libs/$base.d
"$@" -Wc,+Maked
else
tmpdepfile1=$dir$base.d
tmpdepfile2=$dir$base.d
"$@" +Maked
fi
stat=$?
if test $stat -ne 0; then
rm -f "$tmpdepfile1" "$tmpdepfile2"
exit $stat
fi
for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2"
do
test -f "$tmpdepfile" && break
done
if test -f "$tmpdepfile"; then
sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile"
# Add 'dependent.h:' lines.
sed -ne '2,${
s/^ *//
s/ \\*$//
s/$/:/
p
}' "$tmpdepfile" >> "$depfile"
else
make_dummy_depfile
fi
rm -f "$tmpdepfile" "$tmpdepfile2"
;;
tru64)
# The Tru64 compiler uses -MD to generate dependencies as a side
# effect. 'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'.
# At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
# dependencies in 'foo.d' instead, so we check for that too.
# Subdirectories are respected.
set_dir_from "$object"
set_base_from "$object"
if test "$libtool" = yes; then
# Libtool generates 2 separate objects for the 2 libraries. These
# two compilations output dependencies in $dir.libs/$base.o.d and
# in $dir$base.o.d. We have to check for both files, because
# one of the two compilations can be disabled. We should prefer
# $dir$base.o.d over $dir.libs/$base.o.d because the latter is
# automatically cleaned when .libs/ is deleted, while ignoring
# the former would cause a distcleancheck panic.
tmpdepfile1=$dir$base.o.d # libtool 1.5
tmpdepfile2=$dir.libs/$base.o.d # Likewise.
tmpdepfile3=$dir.libs/$base.d # Compaq CCC V6.2-504
"$@" -Wc,-MD
else
tmpdepfile1=$dir$base.d
tmpdepfile2=$dir$base.d
tmpdepfile3=$dir$base.d
"$@" -MD
fi
stat=$?
if test $stat -ne 0; then
rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
exit $stat
fi
for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
do
test -f "$tmpdepfile" && break
done
# Same post-processing that is required for AIX mode.
aix_post_process_depfile
;;
msvc7)
if test "$libtool" = yes; then
showIncludes=-Wc,-showIncludes
else
showIncludes=-showIncludes
fi
"$@" $showIncludes > "$tmpdepfile"
stat=$?
grep -v '^Note: including file: ' "$tmpdepfile"
if test $stat -ne 0; then
rm -f "$tmpdepfile"
exit $stat
fi
rm -f "$depfile"
echo "$object : \\" > "$depfile"
# The first sed program below extracts the file names and escapes
# backslashes for cygpath. The second sed program outputs the file
# name when reading, but also accumulates all include files in the
# hold buffer in order to output them again at the end. This only
# works with sed implementations that can handle large buffers.
sed < "$tmpdepfile" -n '
/^Note: including file: *\(.*\)/ {
s//\1/
s/\\/\\\\/g
p
}' | $cygpath_u | sort -u | sed -n '
s/ /\\ /g
s/\(.*\)/'"$tab"'\1 \\/p
s/.\(.*\) \\/\1:/
H
$ {
s/.*/'"$tab"'/
G
p
}' >> "$depfile"
echo >> "$depfile" # make sure the fragment doesn't end with a backslash
rm -f "$tmpdepfile"
;;
msvc7msys)
# This case exists only to let depend.m4 do its work. It works by
# looking at the text of this script. This case will never be run,
# since it is checked for above.
exit 1
;;
#nosideeffect)
# This comment above is used by automake to tell side-effect
# dependency tracking mechanisms from slower ones.
dashmstdout)
# Important note: in order to support this mode, a compiler *must*
# always write the preprocessed file to stdout, regardless of -o.
"$@" || exit $?
# Remove the call to Libtool.
if test "$libtool" = yes; then
while test "X$1" != 'X--mode=compile'; do
shift
done
shift
fi
# Remove '-o $object'.
IFS=" "
for arg
do
case $arg in
-o)
shift
;;
$object)
shift
;;
*)
set fnord "$@" "$arg"
shift # fnord
shift # $arg
;;
esac
done
test -z "$dashmflag" && dashmflag=-M
# Require at least two characters before searching for ':'
# in the target name. This is to cope with DOS-style filenames:
# a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise.
"$@" $dashmflag |
sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile"
rm -f "$depfile"
cat < "$tmpdepfile" > "$depfile"
# Some versions of the HPUX 10.20 sed can't process this sed invocation
# correctly. Breaking it into two sed invocations is a workaround.
tr ' ' "$nl" < "$tmpdepfile" \
| sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
| sed -e 's/$/ :/' >> "$depfile"
rm -f "$tmpdepfile"
;;
dashXmstdout)
# This case only exists to satisfy depend.m4. It is never actually
# run, as this mode is specially recognized in the preamble.
exit 1
;;
makedepend)
"$@" || exit $?
# Remove any Libtool call
if test "$libtool" = yes; then
while test "X$1" != 'X--mode=compile'; do
shift
done
shift
fi
# X makedepend
shift
cleared=no eat=no
for arg
do
case $cleared in
no)
set ""; shift
cleared=yes ;;
esac
if test $eat = yes; then
eat=no
continue
fi
case "$arg" in
-D*|-I*)
set fnord "$@" "$arg"; shift ;;
# Strip any option that makedepend may not understand. Remove
# the object too, otherwise makedepend will parse it as a source file.
-arch)
eat=yes ;;
-*|$object)
;;
*)
set fnord "$@" "$arg"; shift ;;
esac
done
obj_suffix=`echo "$object" | sed 's/^.*\././'`
touch "$tmpdepfile"
${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
rm -f "$depfile"
# makedepend may prepend the VPATH from the source file name to the object.
# No need to regex-escape $object, excess matching of '.' is harmless.
sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile"
# Some versions of the HPUX 10.20 sed can't process the last invocation
# correctly. Breaking it into two sed invocations is a workaround.
sed '1,2d' "$tmpdepfile" \
| tr ' ' "$nl" \
| sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
| sed -e 's/$/ :/' >> "$depfile"
rm -f "$tmpdepfile" "$tmpdepfile".bak
;;
cpp)
# Important note: in order to support this mode, a compiler *must*
# always write the preprocessed file to stdout.
"$@" || exit $?
# Remove the call to Libtool.
if test "$libtool" = yes; then
while test "X$1" != 'X--mode=compile'; do
shift
done
shift
fi
# Remove '-o $object'.
IFS=" "
for arg
do
case $arg in
-o)
shift
;;
$object)
shift
;;
*)
set fnord "$@" "$arg"
shift # fnord
shift # $arg
;;
esac
done
"$@" -E \
| sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
-e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
| sed '$ s: \\$::' > "$tmpdepfile"
rm -f "$depfile"
echo "$object : \\" > "$depfile"
cat < "$tmpdepfile" >> "$depfile"
sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
rm -f "$tmpdepfile"
;;
msvisualcpp)
# Important note: in order to support this mode, a compiler *must*
# always write the preprocessed file to stdout.
"$@" || exit $?
# Remove the call to Libtool.
if test "$libtool" = yes; then
while test "X$1" != 'X--mode=compile'; do
shift
done
shift
fi
IFS=" "
for arg
do
case "$arg" in
-o)
shift
;;
$object)
shift
;;
"-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
set fnord "$@"
shift
shift
;;
*)
set fnord "$@" "$arg"
shift
shift
;;
esac
done
"$@" -E 2>/dev/null |
sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile"
rm -f "$depfile"
echo "$object : \\" > "$depfile"
sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile"
echo "$tab" >> "$depfile"
sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
rm -f "$tmpdepfile"
;;
msvcmsys)
# This case exists only to let depend.m4 do its work. It works by
# looking at the text of this script. This case will never be run,
# since it is checked for above.
exit 1
;;
none)
exec "$@"
;;
*)
echo "Unknown depmode $depmode" 1>&2
exit 1
;;
esac
exit 0
# Local Variables:
# mode: shell-script
# sh-indentation: 2
# eval: (add-hook 'write-file-hooks 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
# time-stamp-time-zone: "UTC"
# time-stamp-end: "; # UTC"
# End:

8
extern/xdelta3/examples/README.md vendored Normal file
View File

@ -0,0 +1,8 @@
Files in this directory demonstrate how to use the Xdelta3 API. Copyrights
are held by the respective authors and these files are not covered by the GPL.
small_page_test.c -- how to use xdelta3 in an environment such as the kernel
for small pages with little memory
encode_decode_test.c -- how to use xdelta3 to process (encode/decode) data in
multiple windows with the non-blocking API

732
extern/xdelta3/examples/checksum_test.cc vendored Normal file
View File

@ -0,0 +1,732 @@
/* Copyright (C) 2007 Josh MacDonald */
extern "C" {
#include "test.h"
#include <assert.h>
}
#include <list>
#include <vector>
#include <map>
#include <algorithm>
using std::list;
using std::map;
using std::vector;
// MLCG parameters
// a, a*
uint32_t good_32bit_values[] = {
1597334677U, // ...
741103597U, 887987685U,
};
// a, a*
uint64_t good_64bit_values[] = {
1181783497276652981ULL, 4292484099903637661ULL,
7664345821815920749ULL, // ...
};
struct true_type { };
struct false_type { };
template <typename Word>
int bitsof();
template<>
int bitsof<uint32_t>() {
return 32;
}
template<>
int bitsof<uint64_t>() {
return 64;
}
struct plain {
int operator()(const uint8_t &c) {
return c;
}
};
template <typename Word>
struct hhash { // take "h" of the high-bits as a hash value for this
// checksum, which are the most "distant" in terms of the
// spectral test for the rabin_karp MLCG. For short windows,
// the high bits aren't enough, XOR "mask" worth of these in.
Word operator()(const Word& t, const int &h, const int &mask) {
return (t >> h) ^ (t & mask);
}
};
template <typename Word>
Word good_word();
template<>
uint32_t good_word<uint32_t>() {
return good_32bit_values[0];
}
template<>
uint64_t good_word<uint64_t>() {
return good_64bit_values[0];
}
// CLASSES
#define SELF Word, CksumSize, CksumSkip, Permute, Hash, Compaction
#define MEMBER template <typename Word, \
int CksumSize, \
int CksumSkip, \
typename Permute, \
typename Hash, \
int Compaction>
MEMBER
struct cksum_params {
typedef Word word_type;
typedef Permute permute_type;
typedef Hash hash_type;
enum { cksum_size = CksumSize,
cksum_skip = CksumSkip,
compaction = Compaction,
};
};
MEMBER
struct rabin_karp {
typedef Word word_type;
typedef Permute permute_type;
typedef Hash hash_type;
enum { cksum_size = CksumSize,
cksum_skip = CksumSkip,
compaction = Compaction,
};
// (a^cksum_size-1 c_0) + (a^cksum_size-2 c_1) ...
rabin_karp() {
multiplier = good_word<Word>();
powers = new Word[cksum_size];
powers[cksum_size - 1] = 1;
for (int i = cksum_size - 2; i >= 0; i--) {
powers[i] = powers[i + 1] * multiplier;
}
product = powers[0] * multiplier;
}
~rabin_karp() {
delete [] powers;
}
Word step(const uint8_t *ptr) {
Word h = 0;
for (int i = 0; i < cksum_size; i++) {
h += permute_type()(ptr[i]) * powers[i];
}
return h;
}
Word state0(const uint8_t *ptr) {
incr_state = step(ptr);
return incr_state;
}
Word incr(const uint8_t *ptr) {
incr_state = multiplier * incr_state -
product * permute_type()(ptr[-1]) +
permute_type()(ptr[cksum_size - 1]);
return incr_state;
}
Word *powers;
Word product;
Word multiplier;
Word incr_state;
};
MEMBER
struct adler32_cksum {
typedef Word word_type;
typedef Permute permute_type;
typedef Hash hash_type;
enum { cksum_size = CksumSize,
cksum_skip = CksumSkip,
compaction = Compaction,
};
Word step(const uint8_t *ptr) {
return xd3_lcksum (ptr, cksum_size);
}
Word state0(const uint8_t *ptr) {
incr_state = step(ptr);
return incr_state;
}
Word incr(const uint8_t *ptr) {
incr_state = xd3_large_cksum_update (incr_state, ptr - 1, cksum_size);
return incr_state;
}
Word incr_state;
};
// TESTS
template <typename Word>
struct file_stats {
typedef list<const uint8_t*> ptr_list;
typedef Word word_type;
typedef map<word_type, ptr_list> table_type;
typedef typename table_type::iterator table_iterator;
typedef typename ptr_list::iterator ptr_iterator;
int cksum_size;
int cksum_skip;
int unique;
int unique_values;
int count;
table_type table;
file_stats(int size, int skip)
: cksum_size(size),
cksum_skip(skip),
unique(0),
unique_values(0),
count(0) {
}
void reset() {
unique = 0;
unique_values = 0;
count = 0;
table.clear();
}
void update(const word_type &word, const uint8_t *ptr) {
table_iterator t_i = table.find(word);
count++;
if (t_i == table.end()) {
table.insert(make_pair(word, ptr_list()));
}
ptr_list &pl = table[word];
for (ptr_iterator p_i = pl.begin();
p_i != pl.end();
++p_i) {
if (memcmp(*p_i, ptr, cksum_size) == 0) {
return;
}
}
unique++;
pl.push_back(ptr);
}
void freeze() {
unique_values = table.size();
table.clear();
}
};
struct test_result_base;
static vector<test_result_base*> all_tests;
struct test_result_base {
virtual ~test_result_base() {
}
virtual void reset() = 0;
virtual void print() = 0;
virtual void get(const uint8_t* buf, const int buf_size, int iters) = 0;
virtual void stat() = 0;
virtual int count() = 0;
virtual int dups() = 0;
virtual double uniqueness() = 0;
virtual double fullness() = 0;
virtual double collisions() = 0;
virtual double coverage() = 0;
virtual double compression() = 0;
virtual double time() = 0;
virtual double score() = 0;
virtual void set_score(double min_dups_frac, double min_time) = 0;
virtual double total_time() = 0;
virtual int total_count() = 0;
virtual int total_dups() = 0;
};
struct compare_h {
bool operator()(test_result_base *a,
test_result_base *b) {
return a->score() < b->score();
}
};
MEMBER
struct test_result : public test_result_base {
typedef Word word_type;
typedef Permute permute_type;
typedef Hash hash_type;
enum { cksum_size = CksumSize,
cksum_skip = CksumSkip,
compaction = Compaction,
};
const char *test_name;
file_stats<Word> fstats;
int test_size;
int n_steps;
int n_incrs;
int s_bits;
int s_mask;
int t_entries;
int h_bits;
int h_buckets_full;
double h_score;
char *hash_table;
long accum_millis;
int accum_iters;
// These are not reset
double accum_time;
int accum_count;
int accum_dups;
int accum_colls;
int accum_size;
test_result(const char *name)
: test_name(name),
fstats(cksum_size, cksum_skip),
hash_table(NULL),
accum_millis(0),
accum_iters(0),
accum_time(0.0),
accum_count(0),
accum_dups(0),
accum_colls(0),
accum_size(0) {
all_tests.push_back(this);
}
~test_result() {
reset();
}
void reset() {
// size of file
test_size = -1;
// count
n_steps = -1;
n_incrs = -1;
// four values used by new_table()/summarize_table()
s_bits = -1;
s_mask = -1;
t_entries = -1;
h_bits = -1;
h_buckets_full = -1;
accum_millis = 0;
accum_iters = 0;
fstats.reset();
// temporary
if (hash_table) {
delete(hash_table);
hash_table = NULL;
}
}
int count() {
if (cksum_skip == 1) {
return n_incrs;
} else {
return n_steps;
}
}
int dups() {
return fstats.count - fstats.unique;
}
int colls() {
return fstats.unique - fstats.unique_values;
}
double uniqueness() {
return 1.0 - (double) dups() / count();
}
double fullness() {
return (double) h_buckets_full / (1 << h_bits);
}
double collisions() {
return (double) colls() / fstats.unique;
}
double coverage() {
return (double) h_buckets_full / uniqueness() / count();
}
double compression() {
return 1.0 - coverage();
}
double time() {
return (double) accum_millis / accum_iters;
}
double score() {
return h_score;
}
void set_score(double min_compression, double min_time) {
h_score = (compression() - 0.99 * min_compression)
* (time() - 0.99 * min_time);
}
double total_time() {
return accum_time;
}
int total_count() {
return accum_count;
}
int total_dups() {
return accum_dups;
}
int total_colls() {
return accum_dups;
}
void stat() {
accum_time += time();
accum_count += count();
accum_dups += dups();
accum_colls += colls();
accum_size += test_size;
}
void print() {
if (fstats.count != count()) {
fprintf(stderr, "internal error: %d != %d\n", fstats.count, count());
abort();
}
printf("%s: (%u#%u) count %u uniq %0.2f%% full %u (%0.4f%% coll %0.4f%%) covers %0.2f%% w/ 2^%d @ %.4f MB/s %u iters\n",
test_name,
cksum_size,
cksum_skip,
count(),
100.0 * uniqueness(),
h_buckets_full,
100.0 * fullness(),
100.0 * collisions(),
100.0 * coverage(),
h_bits,
0.001 * accum_iters * test_size / accum_millis,
accum_iters);
}
int size_log2 (int slots)
{
int bits = bitsof<word_type>() - 1;
int i;
for (i = 3; i <= bits; i += 1) {
if (slots <= (1 << i)) {
return i - compaction;
}
}
return bits;
}
void new_table(int entries) {
t_entries = entries;
h_bits = size_log2(entries);
int n = 1 << h_bits;
s_bits = bitsof<word_type>() - h_bits;
s_mask = n - 1;
hash_table = new char[n / 8];
memset(hash_table, 0, n / 8);
}
int get_table_bit(int i) {
return hash_table[i/8] & (1 << i%8);
}
int set_table_bit(int i) {
return hash_table[i/8] |= (1 << i%8);
}
void summarize_table() {
int n = 1 << h_bits;
int f = 0;
for (int i = 0; i < n; i++) {
if (get_table_bit(i)) {
f++;
}
}
h_buckets_full = f;
}
void get(const uint8_t* buf, const int buf_size, int test_iters) {
rabin_karp<SELF> test;
//adler32_cksum<SELF> test;
hash_type hash;
const uint8_t *ptr;
const uint8_t *end;
int last_offset;
int periods;
int stop;
test_size = buf_size;
last_offset = buf_size - cksum_size;
if (last_offset < 0) {
periods = 0;
n_steps = 0;
n_incrs = 0;
stop = -cksum_size;
} else {
periods = last_offset / cksum_skip;
n_steps = periods + 1;
n_incrs = last_offset + 1;
stop = last_offset - (periods + 1) * cksum_skip;
}
// Compute file stats once.
if (fstats.unique_values == 0) {
if (cksum_skip == 1) {
for (int i = 0; i <= buf_size - cksum_size; i++) {
fstats.update(hash(test.step(buf + i), s_bits, s_mask), buf + i);
}
} else {
ptr = buf + last_offset;
end = buf + stop;
for (; ptr != end; ptr -= cksum_skip) {
fstats.update(hash(test.step(ptr), s_bits, s_mask), ptr);
}
}
fstats.freeze();
}
long start_test = get_millisecs_now();
if (cksum_skip != 1) {
new_table(n_steps);
for (int i = 0; i < test_iters; i++) {
ptr = buf + last_offset;
end = buf + stop;
for (; ptr != end; ptr -= cksum_skip) {
set_table_bit(hash(test.step(ptr), s_bits, s_mask));
}
}
summarize_table();
}
stop = buf_size - cksum_size + 1;
if (stop < 0) {
stop = 0;
}
if (cksum_skip == 1) {
new_table(n_incrs);
for (int i = 0; i < test_iters; i++) {
ptr = buf;
end = buf + stop;
if (ptr != end) {
set_table_bit(hash(test.state0(ptr++), s_bits, s_mask));
}
for (; ptr != end; ptr++) {
Word w = test.incr(ptr);
assert(w == test.step(ptr));
set_table_bit(hash(w, s_bits, s_mask));
}
}
summarize_table();
}
accum_iters += test_iters;
accum_millis += get_millisecs_now() - start_test;
}
};
template <typename Word>
void print_array(const char *tname) {
printf("static const %s hash_multiplier[64] = {\n", tname);
Word p = 1;
for (int i = 0; i < 64; i++) {
printf(" %uU,\n", p);
p *= good_word<Word>();
}
printf("};\n", tname);
}
int main(int argc, char** argv) {
int i;
uint8_t *buf = NULL;
size_t buf_len = 0;
int ret;
if (argc <= 1) {
fprintf(stderr, "usage: %s file ...\n", argv[0]);
return 1;
}
//print_array<uint32_t>("uint32_t");
#define TEST(T,Z,S,P,H,C) test_result<T,Z,S,P,H<T>,C> \
_ ## T ## _ ## Z ## _ ## S ## _ ## P ## _ ## H ## _ ## C \
(#T "_" #Z "_" #S "_" #P "_" #H "_" #C)
#if 0
TEST(uint32_t, 4, SKIP, plain, hhash, 0); /* x */ \
TEST(uint32_t, 4, SKIP, plain, hhash, 1); /* x */ \
TEST(uint32_t, 4, SKIP, plain, hhash, 2); /* x */ \
TEST(uint32_t, 4, SKIP, plain, hhash, 3); /* x */ \
#endif
#define TESTS(SKIP) \
TEST(uint32_t, 9, SKIP, plain, hhash, 0); /* x */ \
TEST(uint32_t, 9, SKIP, plain, hhash, 1); /* x */ \
TEST(uint32_t, 9, SKIP, plain, hhash, 2); /* x */ \
TEST(uint32_t, 9, SKIP, plain, hhash, 3)
#define TESTS_ALL(SKIP) \
TEST(uint32_t, 3, SKIP, plain, hhash, 0); \
TEST(uint32_t, 3, SKIP, plain, hhash, 1); \
TEST(uint32_t, 4, SKIP, plain, hhash, 0); /* x */ \
TEST(uint32_t, 4, SKIP, plain, hhash, 1); /* x */ \
TEST(uint32_t, 4, SKIP, plain, hhash, 2); /* x */ \
TEST(uint32_t, 4, SKIP, plain, hhash, 3); /* x */ \
TEST(uint32_t, 5, SKIP, plain, hhash, 0); \
TEST(uint32_t, 5, SKIP, plain, hhash, 1); \
TEST(uint32_t, 8, SKIP, plain, hhash, 0); \
TEST(uint32_t, 8, SKIP, plain, hhash, 1); \
TEST(uint32_t, 9, SKIP, plain, hhash, 0); /* x */ \
TEST(uint32_t, 9, SKIP, plain, hhash, 1); /* x */ \
TEST(uint32_t, 9, SKIP, plain, hhash, 2); /* x */ \
TEST(uint32_t, 9, SKIP, plain, hhash, 3); /* x */ \
TEST(uint32_t, 11, SKIP, plain, hhash, 0); /* x */ \
TEST(uint32_t, 11, SKIP, plain, hhash, 1); /* x */ \
TEST(uint32_t, 13, SKIP, plain, hhash, 0); \
TEST(uint32_t, 13, SKIP, plain, hhash, 1); \
TEST(uint32_t, 15, SKIP, plain, hhash, 0); /* x */ \
TEST(uint32_t, 15, SKIP, plain, hhash, 1); /* x */ \
TEST(uint32_t, 16, SKIP, plain, hhash, 0); /* x */ \
TEST(uint32_t, 16, SKIP, plain, hhash, 1); /* x */ \
TEST(uint32_t, 21, SKIP, plain, hhash, 0); \
TEST(uint32_t, 21, SKIP, plain, hhash, 1); \
TEST(uint32_t, 34, SKIP, plain, hhash, 0); \
TEST(uint32_t, 34, SKIP, plain, hhash, 1); \
TEST(uint32_t, 55, SKIP, plain, hhash, 0); \
TEST(uint32_t, 55, SKIP, plain, hhash, 1)
TESTS(1); // *
// TESTS(2); // *
// TESTS(3); // *
// TESTS(5); // *
// TESTS(8); // *
// TESTS(9);
// TESTS(11);
// TESTS(13); // *
TESTS(15);
// TESTS(16);
// TESTS(21); // *
// TESTS(34); // *
// TESTS(55); // *
// TESTS(89); // *
for (i = 1; i < argc; i++) {
if ((ret = read_whole_file(argv[i],
& buf,
& buf_len))) {
return 1;
}
fprintf(stderr, "file %s is %zu bytes\n",
argv[i], buf_len);
double min_time = -1.0;
double min_compression = 0.0;
for (vector<test_result_base*>::iterator i = all_tests.begin();
i != all_tests.end(); ++i) {
test_result_base *test = *i;
test->reset();
int iters = 100;
long start_test = get_millisecs_now();
do {
test->get(buf, buf_len, iters);
iters *= 3;
iters /= 2;
} while (get_millisecs_now() - start_test < 2000);
test->stat();
if (min_time < 0.0) {
min_compression = test->compression();
min_time = test->time();
}
if (min_time > test->time()) {
min_time = test->time();
}
if (min_compression > test->compression()) {
min_compression = test->compression();
}
test->print();
}
// for (vector<test_result_base*>::iterator i = all_tests.begin();
// i != all_tests.end(); ++i) {
// test_result_base *test = *i;
// test->set_score(min_compression, min_time);
// }
// sort(all_tests.begin(), all_tests.end(), compare_h());
// for (vector<test_result_base*>::iterator i = all_tests.begin();
// i != all_tests.end(); ++i) {
// test_result_base *test = *i;
// test->print();
// }
free(buf);
buf = NULL;
}
return 0;
}

123
extern/xdelta3/examples/compare_test.c vendored Normal file
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@ -0,0 +1,123 @@
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <string.h>
#include <assert.h>
#include "xdelta3.h"
#define NUM (1<<20)
#define ITERS 100
/* From wikipedia on RDTSC */
inline uint64_t rdtsc() {
uint32_t lo, hi;
asm volatile ("rdtsc" : "=a" (lo), "=d" (hi));
return (uint64_t)hi << 32 | lo;
}
typedef int (*test_func)(const char *s1, const char *s2, int n);
void run_test(const char *buf1, const char *buf2,
const char *name, test_func func) {
uint64_t start, end;
uint64_t accum = 0;
int i, x;
for (i = 0; i < ITERS; i++) {
start = rdtsc();
x = func(buf1, buf2, NUM);
end = rdtsc();
accum += end - start;
assert(x == NUM - 1);
}
accum /= ITERS;
printf("%s : %qu cycles\n", name, accum);
}
/* Build w/ -fno-builtin for this to be fast, this assumes that there
* is a difference at s1[n-1] */
int memcmp_fake(const char *s1, const char *s2, int n) {
int x = memcmp(s1, s2, n);
return x < 0 ? n - 1 : n + 1;
}
#define UNALIGNED_OK 1
static inline int
test2(const char *s1c, const char *s2c, int n)
{
int i = 0;
#if UNALIGNED_OK
int nint = n / sizeof(int);
if (nint >> 3)
{
int j = 0;
const int *s1 = (const int*)s1c;
const int *s2 = (const int*)s2c;
int nint_8 = nint - 8;
while (i <= nint_8 &&
s1[i++] == s2[j++] &&
s1[i++] == s2[j++] &&
s1[i++] == s2[j++] &&
s1[i++] == s2[j++] &&
s1[i++] == s2[j++] &&
s1[i++] == s2[j++] &&
s1[i++] == s2[j++] &&
s1[i++] == s2[j++]) { }
i = (i - 1) * sizeof(int);
}
#endif
while (i < n && s1c[i] == s2c[i])
{
i++;
}
return i;
}
static inline int
test1(const char *s1c, const char *s2c, int n) {
int i = 0;
while (i < n && s1c[i] == s2c[i])
{
i++;
}
return i;
}
int main(/*int argc, char **argv*/) {
char *buf1 = malloc(NUM+1);
char *buf2 = malloc(NUM+1);
int i;
for (i = 0; i < NUM; i++) {
buf1[i] = buf2[i] = rand();
}
buf2[NUM-1]++;
printf ("ALIGNED\n");
run_test(buf1, buf2, "memcmp", &memcmp_fake);
run_test(buf1, buf2, "test1", &test1);
run_test(buf1, buf2, "test2", &test2);
for (i = 0; i < NUM; i++) {
buf1[i] = buf2[i+1] = rand();
}
buf2[NUM]++;
printf ("UNALIGNED\n");
run_test(buf1, buf2+1, "memcmp", &memcmp_fake);
run_test(buf1, buf2+1, "test1", &test1);
run_test(buf1, buf2+1, "test2", &test2);
return 0;
}

204
extern/xdelta3/examples/encode_decode_test.c vendored Normal file
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@ -0,0 +1,204 @@
//
// Permission to distribute this example by
// Copyright (C) 2007 Ralf Junker
// Ralf Junker <delphi@yunqa.de>
// http://www.yunqa.de/delphi/
//---------------------------------------------------------------------------
#include <stdio.h>
#include <sys/stat.h>
#include "xdelta3.h"
#include "xdelta3.c"
//---------------------------------------------------------------------------
int code (
int encode,
FILE* InFile,
FILE* SrcFile ,
FILE* OutFile,
int BufSize )
{
int r, ret;
struct stat statbuf;
xd3_stream stream;
xd3_config config;
xd3_source source;
void* Input_Buf;
int Input_Buf_Read;
if (BufSize < XD3_ALLOCSIZE)
BufSize = XD3_ALLOCSIZE;
memset (&stream, 0, sizeof (stream));
memset (&source, 0, sizeof (source));
xd3_init_config(&config, XD3_ADLER32);
config.winsize = BufSize;
xd3_config_stream(&stream, &config);
if (SrcFile)
{
r = fstat(fileno(SrcFile), &statbuf);
if (r)
return r;
source.blksize = BufSize;
source.curblk = malloc(source.blksize);
/* Load 1st block of stream. */
r = fseek(SrcFile, 0, SEEK_SET);
if (r)
return r;
source.onblk = fread((void*)source.curblk, 1, source.blksize, SrcFile);
source.curblkno = 0;
/* Set the stream. */
xd3_set_source(&stream, &source);
}
Input_Buf = malloc(BufSize);
fseek(InFile, 0, SEEK_SET);
do
{
Input_Buf_Read = fread(Input_Buf, 1, BufSize, InFile);
if (Input_Buf_Read < BufSize)
{
xd3_set_flags(&stream, XD3_FLUSH | stream.flags);
}
xd3_avail_input(&stream, Input_Buf, Input_Buf_Read);
process:
if (encode)
ret = xd3_encode_input(&stream);
else
ret = xd3_decode_input(&stream);
switch (ret)
{
case XD3_INPUT:
{
fprintf (stderr,"XD3_INPUT\n");
continue;
}
case XD3_OUTPUT:
{
fprintf (stderr,"XD3_OUTPUT\n");
r = fwrite(stream.next_out, 1, stream.avail_out, OutFile);
if (r != (int)stream.avail_out)
return r;
xd3_consume_output(&stream);
goto process;
}
case XD3_GETSRCBLK:
{
fprintf (stderr,"XD3_GETSRCBLK %qd\n", source.getblkno);
if (SrcFile)
{
r = fseek(SrcFile, source.blksize * source.getblkno, SEEK_SET);
if (r)
return r;
source.onblk = fread((void*)source.curblk, 1,
source.blksize, SrcFile);
source.curblkno = source.getblkno;
}
goto process;
}
case XD3_GOTHEADER:
{
fprintf (stderr,"XD3_GOTHEADER\n");
goto process;
}
case XD3_WINSTART:
{
fprintf (stderr,"XD3_WINSTART\n");
goto process;
}
case XD3_WINFINISH:
{
fprintf (stderr,"XD3_WINFINISH\n");
goto process;
}
default:
{
fprintf (stderr,"!!! INVALID %s %d !!!\n",
stream.msg, ret);
return ret;
}
}
}
while (Input_Buf_Read == BufSize);
free(Input_Buf);
free((void*)source.curblk);
xd3_close_stream(&stream);
xd3_free_stream(&stream);
return 0;
};
int main(int argc, char* argv[])
{
FILE* InFile;
FILE* SrcFile;
FILE* OutFile;
int r;
if (argc != 3) {
fprintf (stderr, "usage: %s source input\n", argv[0]);
return 1;
}
char *input = argv[2];
char *source = argv[1];
const char *output = "encoded.testdata";
const char *decoded = "decoded.testdata";
/* Encode */
InFile = fopen(input, "rb");
SrcFile = fopen(source, "rb");
OutFile = fopen(output, "wb");
r = code (1, InFile, SrcFile, OutFile, 0x1000);
fclose(OutFile);
fclose(SrcFile);
fclose(InFile);
if (r) {
fprintf (stderr, "Encode error: %d\n", r);
return r;
}
/* Decode */
InFile = fopen(output, "rb");
SrcFile = fopen(source, "rb");
OutFile = fopen(decoded, "wb");
r = code (0, InFile, SrcFile, OutFile, 0x1000);
fclose(OutFile);
fclose(SrcFile);
fclose(InFile);
if (r) {
fprintf (stderr, "Decode error: %d\n", r);
return r;
}
return 0;
}

389
extern/xdelta3/examples/iOS/xdelta3-ios-test/xdelta3-ios-test.xcodeproj/project.pbxproj vendored Normal file
View File

@ -0,0 +1,389 @@
// !$*UTF8*$!
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15
extern/xdelta3/examples/iOS/xdelta3-ios-test/xdelta3-ios-test/Xd3iOSAppDelegate.h vendored Normal file
View File

@ -0,0 +1,15 @@
//
// Xd3iOSAppDelegate.h
// xdelta3-ios-test
//
// Created by Joshua MacDonald on 6/16/12.
// Copyright (c) 2011, 2012 Joshua MacDonald. All rights reserved.
//
#import <UIKit/UIKit.h>
@interface Xd3iOSAppDelegate : UIResponder <UIApplicationDelegate>
@property (strong, nonatomic) UIWindow *window;
@end

60
extern/xdelta3/examples/iOS/xdelta3-ios-test/xdelta3-ios-test/Xd3iOSAppDelegate.m vendored Normal file
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//
// Xd3iOSAppDelegate.m
// xdelta3-ios-test
//
// Created by Joshua MacDonald on 6/16/12.
// Copyright (c) 2011, 2012 Joshua MacDonald. All rights reserved.
//
#import "Xd3iOSAppDelegate.h"
@implementation Xd3iOSAppDelegate
@synthesize window = _window;
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
// Override point for customization after application launch.
return YES;
}
- (void)applicationWillResignActive:(UIApplication *)application
{
/*
Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
*/
}
- (void)applicationDidEnterBackground:(UIApplication *)application
{
/*
Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
*/
}
- (void)applicationWillEnterForeground:(UIApplication *)application
{
/*
Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
*/
}
- (void)applicationDidBecomeActive:(UIApplication *)application
{
/*
Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
*/
}
- (void)applicationWillTerminate:(UIApplication *)application
{
/*
Called when the application is about to terminate.
Save data if appropriate.
See also applicationDidEnterBackground:.
*/
}
@end

20
extern/xdelta3/examples/iOS/xdelta3-ios-test/xdelta3-ios-test/Xd3iOSViewController.h vendored Normal file
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//
// Xd3iOSViewController.h
// xdelta3-ios-test
//
// Created by Joshua MacDonald on 6/16/12.
// Copyright (c) 2011, 2012 Joshua MacDonald. All rights reserved.
//
#import <UIKit/UIKit.h>
@interface Xd3iOSViewController : UIViewController <UITextViewDelegate> {
NSString *inputSeed;
}
- (IBAction)startTest:(id)sender;
@property (weak, nonatomic) IBOutlet UITextField *theSeed;
@property (weak, nonatomic) IBOutlet UITextView *theView;
@property (atomic, retain) NSMutableString *theOutput;
@property (nonatomic) BOOL inTest;
@end

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extern/xdelta3/examples/iOS/xdelta3-ios-test/xdelta3-ios-test/Xd3iOSViewController.m vendored Normal file
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//
// Xd3iOSViewController.m
// xdelta3-ios-test
//
// Created by Joshua MacDonald on 6/16/12.
// Copyright (c) 2011, 2012 Joshua MacDonald. All rights reserved.
//
#import "Xd3iOSViewController.h"
#include "xdelta3.h"
#include "dispatch/queue.h"
#include "Foundation/NSBundle.h"
extern void (*xprintf_message_func)(const char* msg);
void print_to_view(const char* buf);
int xd3_main_cmdline(int argc, char **argv);
void do_localfile_test(void);
int compare_files(const char* file1, const char* file2);
Xd3iOSViewController *static_ptr;
@implementation Xd3iOSViewController
@synthesize theSeed = _theSeed;
@synthesize theView = _theView;
@synthesize theOutput = _theOutput;
@synthesize inTest = _inTest;
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
}
#pragma mark - View lifecycle
- (void)viewDidLoad
{
[super viewDidLoad];
}
- (void)viewDidUnload
{
[self setTheSeed:nil];
[self setTheView:nil];
[self setTheView:nil];
[super viewDidUnload];
}
- (void)viewWillAppear:(BOOL)animated
{
[super viewWillAppear:animated];
}
- (void)viewDidAppear:(BOOL)animated
{
[super viewDidAppear:animated];
}
- (void)viewWillDisappear:(BOOL)animated
{
[super viewWillDisappear:animated];
}
- (void)viewDidDisappear:(BOOL)animated
{
[super viewDidDisappear:animated];
}
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
switch (interfaceOrientation) {
case UIInterfaceOrientationPortrait:
case UIInterfaceOrientationPortraitUpsideDown:
return YES;
default:
break;
}
return NO;
}
- (BOOL)textFieldShouldReturn:(UITextField*)theTextField {
if (theTextField == self.theSeed) {
[theTextField resignFirstResponder];
}
return YES;
}
- (IBAction)startTest:(id)sender {
if (self.inTest) {
return;
}
self.inTest = YES;
NSString *seedString = self.theSeed.text;
if ([seedString length] == 0) {
seedString = @"RFC3284";
}
static_ptr = self;
xprintf_message_func = &print_to_view;
self.theOutput = [[NSMutableString alloc] initWithFormat:@"Starting test (seed=%@)\n", seedString];
self.theView.text = self.theOutput;
dispatch_queue_t mq = dispatch_get_main_queue();
dispatch_queue_t dq = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
dispatch_async(dq, ^{
do_localfile_test();
char *argv[] = { "xdelta3", "test", NULL };
xd3_main_cmdline(2, argv);
print_to_view("Finished unittest: success");
dispatch_async(mq, ^{
self.inTest = NO;
});
});
}
void printns_to_view(NSString* ns);
void printns_to_view(NSString* ns) {
dispatch_queue_t mq = dispatch_get_main_queue();
dispatch_async(mq, ^{
if ([static_ptr.theOutput length] < 25000) {
[static_ptr.theOutput appendString:ns];
} else {
static_ptr.theOutput = [[NSMutableString alloc] initWithString:ns];
}
static_ptr.theView.text = static_ptr.theOutput;
CGSize size = static_ptr.theView.contentSize;
[static_ptr.theView scrollRectToVisible:CGRectMake(0, size.height - 1, 1, 1) animated:NO];
});
}
void print_to_view(const char* buf) {
NSString *ns = [NSString stringWithCString:buf encoding:NSASCIIStringEncoding];
printns_to_view(ns);
}
void do_localfile_test(void) {
NSBundle *bundle;
bundle = [NSBundle mainBundle];
NSString *localfile1 = [bundle pathForResource:@"file_v1" ofType:@"bin"];
NSString *localfile2 = [bundle pathForResource:@"file_v2" ofType:@"bin"];
NSString *localfiled = [bundle pathForResource:@"file_v1_to_v2" ofType:@"bin"];
printns_to_view([localfile1 stringByAppendingString:@"\n"]);
printns_to_view([localfile2 stringByAppendingString:@"\n"]);
printns_to_view([localfiled stringByAppendingString:@"\n"]);
NSString *tmpdir = NSTemporaryDirectory();
NSString *tmpfile = [tmpdir stringByAppendingPathComponent:@"delta.tmp"];
printns_to_view([tmpfile stringByAppendingString:@"\n"]);
char *argv[] = {
"xdelta3", "-dfvv", "-s",
(char*)[localfile1 UTF8String],
(char*)[localfiled UTF8String],
(char*)[tmpfile UTF8String] };
xd3_main_cmdline(6, argv);
NSFileManager *filemgr;
filemgr = [NSFileManager defaultManager];
if ([filemgr contentsEqualAtPath: localfile2 andPath: tmpfile] == YES) {
printns_to_view(@"File contents match\n");
} else {
NSError *err1 = NULL;
NSDictionary *d1 = [filemgr attributesOfItemAtPath: tmpfile error: &err1];
if (err1 != NULL) {
printns_to_view([@"File localfile2 could not stat %s\n" stringByAppendingString: tmpfile]);
} else {
printns_to_view([@"File contents do not match!!!! tmpfile size=" stringByAppendingString:
[[NSMutableString alloc] initWithFormat:@"%llu\n", [d1 fileSize]]]);
}
compare_files([localfile2 UTF8String], [tmpfile UTF8String]);
}
print_to_view("Finished localfile test.\n");
}
@end

2
extern/xdelta3/examples/iOS/xdelta3-ios-test/xdelta3-ios-test/en.lproj/InfoPlist.strings vendored Normal file
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/* Localized versions of Info.plist keys */

77
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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="1.0" toolsVersion="1938" systemVersion="11C74" targetRuntime="iOS.CocoaTouch.iPad" propertyAccessControl="none" initialViewController="2">
<dependencies>
<development defaultVersion="4200" identifier="xcode"/>
<plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="933"/>
</dependencies>
<scenes>
<scene sceneID="4">
<objects>
<placeholder placeholderIdentifier="IBFirstResponder" id="3" sceneMemberID="firstResponder"/>
<viewController id="2" customClass="Xd3iOSViewController" sceneMemberID="viewController">
<view key="view" contentMode="scaleToFill" id="5">
<rect key="frame" x="0.0" y="20" width="768" height="1004"/>
<autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
<subviews>
<button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" id="d7Y-KS-zOa">
<rect key="frame" x="258" y="28" width="197" height="37"/>
<autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
<fontDescription key="fontDescription" type="boldSystem" pointSize="15"/>
<state key="normal" title="Start test">
<color key="titleColor" red="0.19607843459999999" green="0.30980393290000002" blue="0.52156865600000002" alpha="1" colorSpace="calibratedRGB"/>
<color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/>
</state>
<state key="highlighted">
<color key="titleColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
</state>
<connections>
<action selector="startTest:" destination="2" eventType="touchUpInside" id="f4X-jg-ZsU"/>
</connections>
</button>
<textField opaque="NO" clipsSubviews="YES" contentMode="scaleToFill" contentHorizontalAlignment="left" contentVerticalAlignment="center" borderStyle="roundedRect" placeholder="Random seed" minimumFontSize="17" id="TZ8-OW-wjf">
<rect key="frame" x="27" y="28" width="197" height="31"/>
<autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
<fontDescription key="fontDescription" type="system" pointSize="14"/>
<textInputTraits key="textInputTraits" autocorrectionType="no"/>
<connections>
<outlet property="delegate" destination="2" id="hjY-Ym-Fcw"/>
</connections>
</textField>
<textView clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleToFill" showsHorizontalScrollIndicator="NO" editable="NO" id="LHz-h6-ZBC">
<rect key="frame" x="27" y="88" width="721" height="887"/>
<autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
<color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="calibratedRGB"/>
<fontDescription key="fontDescription" type="system" pointSize="14"/>
<textInputTraits key="textInputTraits" autocapitalizationType="sentences"/>
<connections>
<outlet property="delegate" destination="2" id="fwY-fT-bCV"/>
</connections>
</textView>
</subviews>
<color key="backgroundColor" red="0.13337372065218178" green="0.1801924475036723" blue="0.21739130434782605" alpha="1" colorSpace="calibratedRGB"/>
</view>
<connections>
<outlet property="theSeed" destination="TZ8-OW-wjf" id="QuA-uT-5IR"/>
<outlet property="theView" destination="LHz-h6-ZBC" id="s64-32-fBA"/>
</connections>
</viewController>
</objects>
<point key="canvasLocation" x="-601" y="-1021"/>
</scene>
</scenes>
<classes>
<class className="Xd3iOSViewController" superclassName="UIViewController">
<source key="sourceIdentifier" type="project" relativePath="./Classes/Xd3iOSViewController.h"/>
<relationships>
<relationship kind="action" name="startTest:"/>
<relationship kind="outlet" name="theSeed" candidateClass="UITextField"/>
<relationship kind="outlet" name="theView" candidateClass="UITextView"/>
</relationships>
</class>
</classes>
<simulatedMetricsContainer key="defaultSimulatedMetrics">
<simulatedStatusBarMetrics key="statusBar" statusBarStyle="blackTranslucent"/>
<simulatedOrientationMetrics key="orientation"/>
<simulatedScreenMetrics key="destination"/>
</simulatedMetricsContainer>
</document>

27
extern/xdelta3/examples/iOS/xdelta3-ios-test/xdelta3-ios-test/en.lproj/MainStoryboard_iPhone.storyboard vendored Normal file
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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="1.0" toolsVersion="1906" systemVersion="11A511" targetRuntime="iOS.CocoaTouch" nextObjectID="6" propertyAccessControl="none" initialViewController="2">
<dependencies>
<development defaultVersion="4200" identifier="xcode"/>
<plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="902"/>
</dependencies>
<scenes>
<scene sceneID="5">
<objects>
<placeholder placeholderIdentifier="IBFirstResponder" id="4" sceneMemberID="firstResponder"/>
<viewController id="2" customClass="Xd3iOSViewController" sceneMemberID="viewController">
<view key="view" contentMode="scaleToFill" id="3">
<rect key="frame" x="0.0" y="20" width="320" height="460"/>
<autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
<subviews/>
<color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
</view>
</viewController>
</objects>
</scene>
</scenes>
<simulatedMetricsContainer key="defaultSimulatedMetrics">
<simulatedStatusBarMetrics key="statusBar"/>
<simulatedOrientationMetrics key="orientation"/>
<simulatedScreenMetrics key="destination"/>
</simulatedMetricsContainer>
</document>

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extern/xdelta3/examples/iOS/xdelta3-ios-test/xdelta3-ios-test/file_v2.bin vendored Normal file
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extern/xdelta3/examples/iOS/xdelta3-ios-test/xdelta3-ios-test/main.m vendored Normal file
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//
// main.m
// xdelta3-ios-test
//
// Created by Joshua MacDonald on 6/16/12.
// Copyright (c) 2011, 2012 Joshua MacDonald. All rights reserved.
//
#import <UIKit/UIKit.h>
#import "Xd3iOSAppDelegate.h"
int main(int argc, char *argv[])
{
@autoreleasepool {
return UIApplicationMain(argc, argv, nil, NSStringFromClass([Xd3iOSAppDelegate class]));
}
}

52
extern/xdelta3/examples/iOS/xdelta3-ios-test/xdelta3-ios-test/xdelta3-ios-test-Info.plist vendored Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>CFBundleDevelopmentRegion</key>
<string>en</string>
<key>CFBundleDisplayName</key>
<string>${PRODUCT_NAME}</string>
<key>CFBundleExecutable</key>
<string>${EXECUTABLE_NAME}</string>
<key>CFBundleIconFiles</key>
<array/>
<key>CFBundleIdentifier</key>
<string>Joshua-MacDonald.${PRODUCT_NAME:rfc1034identifier}</string>
<key>CFBundleInfoDictionaryVersion</key>
<string>6.0</string>
<key>CFBundleName</key>
<string>${PRODUCT_NAME}</string>
<key>CFBundlePackageType</key>
<string>APPL</string>
<key>CFBundleShortVersionString</key>
<string>1.0</string>
<key>CFBundleSignature</key>
<string>????</string>
<key>CFBundleVersion</key>
<string>1.0</string>
<key>LSRequiresIPhoneOS</key>
<true/>
<key>UIMainStoryboardFile</key>
<string>MainStoryboard_iPhone</string>
<key>UIMainStoryboardFile~ipad</key>
<string>MainStoryboard_iPad</string>
<key>UIRequiredDeviceCapabilities</key>
<array>
<string>armv7</string>
</array>
<key>UISupportedInterfaceOrientations</key>
<array>
<string>UIInterfaceOrientationPortrait</string>
<string>UIInterfaceOrientationLandscapeLeft</string>
<string>UIInterfaceOrientationLandscapeRight</string>
<string>UIInterfaceOrientationPortraitUpsideDown</string>
</array>
<key>UISupportedInterfaceOrientations~ipad</key>
<array>
<string>UIInterfaceOrientationPortrait</string>
<string>UIInterfaceOrientationPortraitUpsideDown</string>
<string>UIInterfaceOrientationLandscapeLeft</string>
<string>UIInterfaceOrientationLandscapeRight</string>
</array>
</dict>
</plist>

201
extern/xdelta3/examples/small_page_test.c vendored Executable file
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/* Copyright (C) 2007 Josh MacDonald */
#include <stdio.h>
#define PAGE_SIZE 4096
#define SPACE_MAX 131072 // how much memory per process
#define OUTPUT_MAX 1024 // max size for output
#define XD3_ALLOCSIZE 256 // internal size for various buffers
#define IOPT_SIZE 128 // instruction buffer
// SPACE_MAX of 32K is sufficient for most inputs with XD3_COMPLEVEL_1
// XD3_COMPLEVEL_9 requires about 4x more space than XD3_COMPLEVEL_1
#include "xdelta3.h"
#include "xdelta3.c"
typedef struct _context {
uint8_t *buffer;
int allocated;
} context_t;
static int max_allocated = 0;
void*
process_alloc (void* opaque, usize_t items, usize_t size)
{
context_t *ctx = (context_t*) opaque;
usize_t t = items * size;
void *ret;
if (ctx->allocated + t > SPACE_MAX)
{
return NULL;
}
ret = ctx->buffer + ctx->allocated;
ctx->allocated += t;
return ret;
}
void
process_free (void* opaque, void *ptr)
{
}
int
process_page (int is_encode,
int (*func) (xd3_stream *),
const uint8_t *input,
usize_t input_size,
const uint8_t *source,
uint8_t *output,
usize_t *output_size,
usize_t output_size_max,
int flags) {
/* On my x86 this is 1072 of objects on the stack */
xd3_stream stream;
xd3_config config;
xd3_source src;
context_t *ctx = calloc(SPACE_MAX, 1);
int ret;
memset (&config, 0, sizeof(config));
if (ctx == NULL)
{
printf("calloc failed\n");
return -1;
}
ctx->buffer = (uint8_t*)ctx;
ctx->allocated = sizeof(*ctx);
config.flags = flags;
config.winsize = PAGE_SIZE;
config.sprevsz = PAGE_SIZE;
config.srcwin_maxsz = PAGE_SIZE;
config.iopt_size = IOPT_SIZE;
config.alloc = &process_alloc;
config.freef = &process_free;
config.opaque = (void*) ctx;
src.blksize = PAGE_SIZE;
src.onblk = PAGE_SIZE;
src.curblk = source;
src.curblkno = 0;
if ((ret = xd3_config_stream (&stream, &config)) != 0 ||
(ret = xd3_set_source_and_size (&stream, &src, PAGE_SIZE)) != 0 ||
(ret = xd3_process_stream (is_encode,
&stream,
func, 1,
input, input_size,
output, output_size,
output_size_max)) != 0)
{
if (stream.msg != NULL)
{
fprintf(stderr, "stream message: %s\n", stream.msg);
}
}
xd3_free_stream (&stream);
if (max_allocated < ctx->allocated)
{
max_allocated = ctx->allocated;
fprintf(stderr, "max allocated %d\n", max_allocated);
}
free(ctx);
return ret;
}
int test(int stride, int encode_flags)
{
uint8_t frompg[PAGE_SIZE];
uint8_t topg[PAGE_SIZE];
uint8_t output[OUTPUT_MAX];
uint8_t reout[PAGE_SIZE];
usize_t output_size;
usize_t re_size;
int i, j, ret;
for (i = 0; i < PAGE_SIZE; i++)
{
topg[i] = frompg[i] = (rand() >> 3 ^ rand() >> 6 ^ rand() >> 9);
}
// change 1 byte every stride
if (stride > 0)
{
for (j = stride; j <= PAGE_SIZE; j += stride)
{
topg[j - 1] ^= 0xff;
}
}
if ((ret = process_page (1, xd3_encode_input,
topg, PAGE_SIZE,
frompg, output,
&output_size, OUTPUT_MAX,
encode_flags)) != 0)
{
fprintf (stderr, "encode failed: stride %u flags 0x%x\n",
stride, encode_flags);
return ret;
}
if ((ret = process_page (0, xd3_decode_input,
output, output_size,
frompg, reout,
&re_size, PAGE_SIZE,
0)) != 0)
{
fprintf (stderr, "decode failed: stride %u output_size %u flags 0x%x\n",
stride, output_size, encode_flags);
return ret;
}
if (output_size > OUTPUT_MAX || re_size != PAGE_SIZE)
{
fprintf (stderr, "internal error: %u != %u\n", output_size, re_size);
return -1;
}
for (i = 0; i < PAGE_SIZE; i++)
{
if (reout[i] != topg[i])
{
fprintf (stderr, "encode-decode error: position %d\n", i);
return -1;
}
}
fprintf(stderr, "stride %d flags 0x%x size %u ",
stride, encode_flags, output_size);
fprintf(stderr, "%s\n", (ret == 0) ? "OK" : "FAIL");
return 0;
}
int main()
{
int stride;
int level;
for (level = 1; level < 10; level = (level == 1 ? 3 : level + 3))
{
int lflag = level << XD3_COMPLEVEL_SHIFT;
for (stride = 2; stride <= PAGE_SIZE; stride += 2)
{
test(stride, lflag);
test(stride, lflag | XD3_SEC_DJW);
}
}
return 0;
}

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extern/xdelta3/examples/speed_test.c vendored Normal file
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/* Copyright (C) 2007 Josh MacDonald */
#include "test.h"
usize_t bench_speed(const uint8_t *from_buf, const size_t from_len,
const uint8_t *to_buf, const size_t to_len,
uint8_t *delta_buf, const size_t delta_alloc,
int flags) {
usize_t delta_size;
int ret = xd3_encode_memory(to_buf, to_len, from_buf, from_len,
delta_buf, &delta_size, delta_alloc, flags);
if (ret != 0) {
fprintf(stderr, "encode failure: %d: %s\n", ret, xd3_strerror(ret));
abort();
}
return delta_size;
}
int main(int argc, char **argv) {
int repeat, level;
char *from, *to;
uint8_t *from_buf = NULL, *to_buf = NULL, *delta_buf = NULL;
size_t from_len = 0, to_len, delta_alloc, delta_size = 0;
long start, finish;
int i, ret;
int flags;
if (argc != 5) {
fprintf(stderr, "usage: speed_test LEVEL COUNT FROM TO\n");
return 1;
}
level = atoi(argv[1]);
repeat = atoi(argv[2]);
from = argv[3];
to = argv[4];
flags = (level << XD3_COMPLEVEL_SHIFT) & XD3_COMPLEVEL_MASK;
if ((strcmp(from, "null") != 0 &&
(ret = read_whole_file(from, &from_buf, &from_len))) ||
(ret = read_whole_file(to, &to_buf, &to_len))) {
fprintf(stderr, "read_whole_file error\n");
goto exit;
}
delta_alloc = to_len * 11 / 10;
delta_buf = main_malloc(delta_alloc);
start = get_millisecs_now();
for (i = 0; i < repeat; ++i) {
delta_size = bench_speed(from_buf, from_len,
to_buf, to_len, delta_buf, delta_alloc, flags);
}
finish = get_millisecs_now();
fprintf(stderr,
"STAT: encode %3.2f ms from %s to %s repeat %d %zdbit delta %zd\n",
(double)(finish - start) / repeat, from, to, repeat, sizeof (xoff_t) * 8, delta_size);
ret = 0;
if (0) {
exit:
ret = 1;
}
main_free(to_buf);
main_free(from_buf);
main_free(delta_buf);
return ret;
}

42
extern/xdelta3/examples/test.h vendored Normal file
View File

@ -0,0 +1,42 @@
/* Copyright (C) 2007 Josh MacDonald */
#define NOT_MAIN 1
#include "xdelta3.h"
#include "xdelta3.c"
static int read_whole_file(const char *name,
uint8_t **buf_ptr,
size_t *buf_len) {
main_file file;
int ret;
xoff_t len;
usize_t nread;
main_file_init(&file);
file.filename = name;
ret = main_file_open(&file, name, XO_READ);
if (ret != 0) {
fprintf(stderr, "open failed\n");
goto exit;
}
ret = main_file_stat(&file, &len);
if (ret != 0) {
fprintf(stderr, "stat failed\n");
goto exit;
}
(*buf_len) = (size_t)len;
(*buf_ptr) = (uint8_t*) main_malloc(*buf_len);
ret = main_file_read(&file, *buf_ptr, *buf_len, &nread,
"read failed");
if (ret == 0 && *buf_len == nread) {
ret = 0;
} else {
fprintf(stderr, "invalid read\n");
ret = XD3_INTERNAL;
}
exit:
main_file_cleanup(&file);
return ret;
}

501
extern/xdelta3/install-sh vendored Executable file
View File

@ -0,0 +1,501 @@
#!/bin/sh
# install - install a program, script, or datafile
scriptversion=2013-12-25.23; # UTC
# This originates from X11R5 (mit/util/scripts/install.sh), which was
# later released in X11R6 (xc/config/util/install.sh) with the
# following copyright and license.
#
# Copyright (C) 1994 X Consortium
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
# Except as contained in this notice, the name of the X Consortium shall not
# be used in advertising or otherwise to promote the sale, use or other deal-
# ings in this Software without prior written authorization from the X Consor-
# tium.
#
#
# FSF changes to this file are in the public domain.
#
# Calling this script install-sh is preferred over install.sh, to prevent
# 'make' implicit rules from creating a file called install from it
# when there is no Makefile.
#
# This script is compatible with the BSD install script, but was written
# from scratch.
tab=' '
nl='
'
IFS=" $tab$nl"
# Set DOITPROG to "echo" to test this script.
doit=${DOITPROG-}
doit_exec=${doit:-exec}
# Put in absolute file names if you don't have them in your path;
# or use environment vars.
chgrpprog=${CHGRPPROG-chgrp}
chmodprog=${CHMODPROG-chmod}
chownprog=${CHOWNPROG-chown}
cmpprog=${CMPPROG-cmp}
cpprog=${CPPROG-cp}
mkdirprog=${MKDIRPROG-mkdir}
mvprog=${MVPROG-mv}
rmprog=${RMPROG-rm}
stripprog=${STRIPPROG-strip}
posix_mkdir=
# Desired mode of installed file.
mode=0755
chgrpcmd=
chmodcmd=$chmodprog
chowncmd=
mvcmd=$mvprog
rmcmd="$rmprog -f"
stripcmd=
src=
dst=
dir_arg=
dst_arg=
copy_on_change=false
is_target_a_directory=possibly
usage="\
Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
or: $0 [OPTION]... SRCFILES... DIRECTORY
or: $0 [OPTION]... -t DIRECTORY SRCFILES...
or: $0 [OPTION]... -d DIRECTORIES...
In the 1st form, copy SRCFILE to DSTFILE.
In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
In the 4th, create DIRECTORIES.
Options:
--help display this help and exit.
--version display version info and exit.
-c (ignored)
-C install only if different (preserve the last data modification time)
-d create directories instead of installing files.
-g GROUP $chgrpprog installed files to GROUP.
-m MODE $chmodprog installed files to MODE.
-o USER $chownprog installed files to USER.
-s $stripprog installed files.
-t DIRECTORY install into DIRECTORY.
-T report an error if DSTFILE is a directory.
Environment variables override the default commands:
CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
RMPROG STRIPPROG
"
while test $# -ne 0; do
case $1 in
-c) ;;
-C) copy_on_change=true;;
-d) dir_arg=true;;
-g) chgrpcmd="$chgrpprog $2"
shift;;
--help) echo "$usage"; exit $?;;
-m) mode=$2
case $mode in
*' '* | *"$tab"* | *"$nl"* | *'*'* | *'?'* | *'['*)
echo "$0: invalid mode: $mode" >&2
exit 1;;
esac
shift;;
-o) chowncmd="$chownprog $2"
shift;;
-s) stripcmd=$stripprog;;
-t)
is_target_a_directory=always
dst_arg=$2
# Protect names problematic for 'test' and other utilities.
case $dst_arg in
-* | [=\(\)!]) dst_arg=./$dst_arg;;
esac
shift;;
-T) is_target_a_directory=never;;
--version) echo "$0 $scriptversion"; exit $?;;
--) shift
break;;
-*) echo "$0: invalid option: $1" >&2
exit 1;;
*) break;;
esac
shift
done
# We allow the use of options -d and -T together, by making -d
# take the precedence; this is for compatibility with GNU install.
if test -n "$dir_arg"; then
if test -n "$dst_arg"; then
echo "$0: target directory not allowed when installing a directory." >&2
exit 1
fi
fi
if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
# When -d is used, all remaining arguments are directories to create.
# When -t is used, the destination is already specified.
# Otherwise, the last argument is the destination. Remove it from $@.
for arg
do
if test -n "$dst_arg"; then
# $@ is not empty: it contains at least $arg.
set fnord "$@" "$dst_arg"
shift # fnord
fi
shift # arg
dst_arg=$arg
# Protect names problematic for 'test' and other utilities.
case $dst_arg in
-* | [=\(\)!]) dst_arg=./$dst_arg;;
esac
done
fi
if test $# -eq 0; then
if test -z "$dir_arg"; then
echo "$0: no input file specified." >&2
exit 1
fi
# It's OK to call 'install-sh -d' without argument.
# This can happen when creating conditional directories.
exit 0
fi
if test -z "$dir_arg"; then
if test $# -gt 1 || test "$is_target_a_directory" = always; then
if test ! -d "$dst_arg"; then
echo "$0: $dst_arg: Is not a directory." >&2
exit 1
fi
fi
fi
if test -z "$dir_arg"; then
do_exit='(exit $ret); exit $ret'
trap "ret=129; $do_exit" 1
trap "ret=130; $do_exit" 2
trap "ret=141; $do_exit" 13
trap "ret=143; $do_exit" 15
# Set umask so as not to create temps with too-generous modes.
# However, 'strip' requires both read and write access to temps.
case $mode in
# Optimize common cases.
*644) cp_umask=133;;
*755) cp_umask=22;;
*[0-7])
if test -z "$stripcmd"; then
u_plus_rw=
else
u_plus_rw='% 200'
fi
cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
*)
if test -z "$stripcmd"; then
u_plus_rw=
else
u_plus_rw=,u+rw
fi
cp_umask=$mode$u_plus_rw;;
esac
fi
for src
do
# Protect names problematic for 'test' and other utilities.
case $src in
-* | [=\(\)!]) src=./$src;;
esac
if test -n "$dir_arg"; then
dst=$src
dstdir=$dst
test -d "$dstdir"
dstdir_status=$?
else
# Waiting for this to be detected by the "$cpprog $src $dsttmp" command
# might cause directories to be created, which would be especially bad
# if $src (and thus $dsttmp) contains '*'.
if test ! -f "$src" && test ! -d "$src"; then
echo "$0: $src does not exist." >&2
exit 1
fi
if test -z "$dst_arg"; then
echo "$0: no destination specified." >&2
exit 1
fi
dst=$dst_arg
# If destination is a directory, append the input filename; won't work
# if double slashes aren't ignored.
if test -d "$dst"; then
if test "$is_target_a_directory" = never; then
echo "$0: $dst_arg: Is a directory" >&2
exit 1
fi
dstdir=$dst
dst=$dstdir/`basename "$src"`
dstdir_status=0
else
dstdir=`dirname "$dst"`
test -d "$dstdir"
dstdir_status=$?
fi
fi
obsolete_mkdir_used=false
if test $dstdir_status != 0; then
case $posix_mkdir in
'')
# Create intermediate dirs using mode 755 as modified by the umask.
# This is like FreeBSD 'install' as of 1997-10-28.
umask=`umask`
case $stripcmd.$umask in
# Optimize common cases.
*[2367][2367]) mkdir_umask=$umask;;
.*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
*[0-7])
mkdir_umask=`expr $umask + 22 \
- $umask % 100 % 40 + $umask % 20 \
- $umask % 10 % 4 + $umask % 2
`;;
*) mkdir_umask=$umask,go-w;;
esac
# With -d, create the new directory with the user-specified mode.
# Otherwise, rely on $mkdir_umask.
if test -n "$dir_arg"; then
mkdir_mode=-m$mode
else
mkdir_mode=
fi
posix_mkdir=false
case $umask in
*[123567][0-7][0-7])
# POSIX mkdir -p sets u+wx bits regardless of umask, which
# is incompatible with FreeBSD 'install' when (umask & 300) != 0.
;;
*)
tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0
if (umask $mkdir_umask &&
exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1
then
if test -z "$dir_arg" || {
# Check for POSIX incompatibilities with -m.
# HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
# other-writable bit of parent directory when it shouldn't.
# FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
ls_ld_tmpdir=`ls -ld "$tmpdir"`
case $ls_ld_tmpdir in
d????-?r-*) different_mode=700;;
d????-?--*) different_mode=755;;
*) false;;
esac &&
$mkdirprog -m$different_mode -p -- "$tmpdir" && {
ls_ld_tmpdir_1=`ls -ld "$tmpdir"`
test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
}
}
then posix_mkdir=:
fi
rmdir "$tmpdir/d" "$tmpdir"
else
# Remove any dirs left behind by ancient mkdir implementations.
rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null
fi
trap '' 0;;
esac;;
esac
if
$posix_mkdir && (
umask $mkdir_umask &&
$doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
)
then :
else
# The umask is ridiculous, or mkdir does not conform to POSIX,
# or it failed possibly due to a race condition. Create the
# directory the slow way, step by step, checking for races as we go.
case $dstdir in
/*) prefix='/';;
[-=\(\)!]*) prefix='./';;
*) prefix='';;
esac
oIFS=$IFS
IFS=/
set -f
set fnord $dstdir
shift
set +f
IFS=$oIFS
prefixes=
for d
do
test X"$d" = X && continue
prefix=$prefix$d
if test -d "$prefix"; then
prefixes=
else
if $posix_mkdir; then
(umask=$mkdir_umask &&
$doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
# Don't fail if two instances are running concurrently.
test -d "$prefix" || exit 1
else
case $prefix in
*\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
*) qprefix=$prefix;;
esac
prefixes="$prefixes '$qprefix'"
fi
fi
prefix=$prefix/
done
if test -n "$prefixes"; then
# Don't fail if two instances are running concurrently.
(umask $mkdir_umask &&
eval "\$doit_exec \$mkdirprog $prefixes") ||
test -d "$dstdir" || exit 1
obsolete_mkdir_used=true
fi
fi
fi
if test -n "$dir_arg"; then
{ test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
{ test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
{ test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
else
# Make a couple of temp file names in the proper directory.
dsttmp=$dstdir/_inst.$$_
rmtmp=$dstdir/_rm.$$_
# Trap to clean up those temp files at exit.
trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
# Copy the file name to the temp name.
(umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
# and set any options; do chmod last to preserve setuid bits.
#
# If any of these fail, we abort the whole thing. If we want to
# ignore errors from any of these, just make sure not to ignore
# errors from the above "$doit $cpprog $src $dsttmp" command.
#
{ test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
{ test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
{ test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
{ test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
# If -C, don't bother to copy if it wouldn't change the file.
if $copy_on_change &&
old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` &&
new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` &&
set -f &&
set X $old && old=:$2:$4:$5:$6 &&
set X $new && new=:$2:$4:$5:$6 &&
set +f &&
test "$old" = "$new" &&
$cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
then
rm -f "$dsttmp"
else
# Rename the file to the real destination.
$doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
# The rename failed, perhaps because mv can't rename something else
# to itself, or perhaps because mv is so ancient that it does not
# support -f.
{
# Now remove or move aside any old file at destination location.
# We try this two ways since rm can't unlink itself on some
# systems and the destination file might be busy for other
# reasons. In this case, the final cleanup might fail but the new
# file should still install successfully.
{
test ! -f "$dst" ||
$doit $rmcmd -f "$dst" 2>/dev/null ||
{ $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
{ $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
} ||
{ echo "$0: cannot unlink or rename $dst" >&2
(exit 1); exit 1
}
} &&
# Now rename the file to the real destination.
$doit $mvcmd "$dsttmp" "$dst"
}
fi || exit 1
trap '' 0
fi
done
# Local variables:
# eval: (add-hook 'write-file-hooks 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
# time-stamp-time-zone: "UTC"
# time-stamp-end: "; # UTC"
# End:

11147
extern/xdelta3/ltmain.sh vendored Normal file
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84
extern/xdelta3/m4/ax_check_aligned_access_required.m4 vendored Normal file
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@ -0,0 +1,84 @@
# ====================================================================================
# http://www.gnu.org/software/autoconf-archive/ax_check_aligned_access_required.html
# ====================================================================================
#
# SYNOPSIS
#
# AC_CHECK_ALIGNED_ACCESS_REQUIRED
#
# DESCRIPTION
#
# While the x86 CPUs allow access to memory objects to be unaligned it
# happens that most of the modern designs require objects to be aligned -
# or they will fail with a buserror. That mode is quite known by
# big-endian machines (sparc, etc) however the alpha cpu is little-
# endian.
#
# The following function will test for aligned access to be required and
# set a config.h define HAVE_ALIGNED_ACCESS_REQUIRED (name derived by
# standard usage). Structures loaded from a file (or mmapped to memory)
# should be accessed per-byte in that case to avoid segfault type errors.
#
# LICENSE
#
# Copyright (c) 2008 Guido U. Draheim <guidod@gmx.de>
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 3 of the License, or (at your
# option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.
#
# As a special exception, the respective Autoconf Macro's copyright owner
# gives unlimited permission to copy, distribute and modify the configure
# scripts that are the output of Autoconf when processing the Macro. You
# need not follow the terms of the GNU General Public License when using
# or distributing such scripts, even though portions of the text of the
# Macro appear in them. The GNU General Public License (GPL) does govern
# all other use of the material that constitutes the Autoconf Macro.
#
# This special exception to the GPL applies to versions of the Autoconf
# Macro released by the Autoconf Archive. When you make and distribute a
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
#serial 7
AC_DEFUN([AX_CHECK_ALIGNED_ACCESS_REQUIRED],
[AC_CACHE_CHECK([if pointers to integers require aligned access],
[ax_cv_have_aligned_access_required],
[AC_TRY_RUN([
#include <stdio.h>
#include <stdlib.h>
int main()
{
char* string = malloc(40);
int i;
for (i=0; i < 40; i++) string[[i]] = i;
{
void* s = string;
int* p = s+1;
int* q = s+2;
if (*p == *q) { return 1; }
}
return 0;
}
],
[ax_cv_have_aligned_access_required=yes],
[ax_cv_have_aligned_access_required=no],
[ax_cv_have_aligned_access_required=no])
])
if test "$ax_cv_have_aligned_access_required" = yes ; then
AC_DEFINE([HAVE_ALIGNED_ACCESS_REQUIRED], [1],
[Define if pointers to integers require aligned access])
fi
])

8382
extern/xdelta3/m4/libtool.m4 vendored Normal file
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437
extern/xdelta3/m4/ltoptions.m4 vendored Normal file
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@ -0,0 +1,437 @@
# Helper functions for option handling. -*- Autoconf -*-
#
# Copyright (C) 2004-2005, 2007-2009, 2011-2015 Free Software
# Foundation, Inc.
# Written by Gary V. Vaughan, 2004
#
# This file is free software; the Free Software Foundation gives
# unlimited permission to copy and/or distribute it, with or without
# modifications, as long as this notice is preserved.
# serial 8 ltoptions.m4
# This is to help aclocal find these macros, as it can't see m4_define.
AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])])
# _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME)
# ------------------------------------------
m4_define([_LT_MANGLE_OPTION],
[[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])])
# _LT_SET_OPTION(MACRO-NAME, OPTION-NAME)
# ---------------------------------------
# Set option OPTION-NAME for macro MACRO-NAME, and if there is a
# matching handler defined, dispatch to it. Other OPTION-NAMEs are
# saved as a flag.
m4_define([_LT_SET_OPTION],
[m4_define(_LT_MANGLE_OPTION([$1], [$2]))dnl
m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]),
_LT_MANGLE_DEFUN([$1], [$2]),
[m4_warning([Unknown $1 option '$2'])])[]dnl
])
# _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET])
# ------------------------------------------------------------
# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
m4_define([_LT_IF_OPTION],
[m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])])
# _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET)
# -------------------------------------------------------
# Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME
# are set.
m4_define([_LT_UNLESS_OPTIONS],
[m4_foreach([_LT_Option], m4_split(m4_normalize([$2])),
[m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option),
[m4_define([$0_found])])])[]dnl
m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3
])[]dnl
])
# _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST)
# ----------------------------------------
# OPTION-LIST is a space-separated list of Libtool options associated
# with MACRO-NAME. If any OPTION has a matching handler declared with
# LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about
# the unknown option and exit.
m4_defun([_LT_SET_OPTIONS],
[# Set options
m4_foreach([_LT_Option], m4_split(m4_normalize([$2])),
[_LT_SET_OPTION([$1], _LT_Option)])
m4_if([$1],[LT_INIT],[
dnl
dnl Simply set some default values (i.e off) if boolean options were not
dnl specified:
_LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no
])
_LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no
])
dnl
dnl If no reference was made to various pairs of opposing options, then
dnl we run the default mode handler for the pair. For example, if neither
dnl 'shared' nor 'disable-shared' was passed, we enable building of shared
dnl archives by default:
_LT_UNLESS_OPTIONS([LT_INIT], [shared disable-shared], [_LT_ENABLE_SHARED])
_LT_UNLESS_OPTIONS([LT_INIT], [static disable-static], [_LT_ENABLE_STATIC])
_LT_UNLESS_OPTIONS([LT_INIT], [pic-only no-pic], [_LT_WITH_PIC])
_LT_UNLESS_OPTIONS([LT_INIT], [fast-install disable-fast-install],
[_LT_ENABLE_FAST_INSTALL])
_LT_UNLESS_OPTIONS([LT_INIT], [aix-soname=aix aix-soname=both aix-soname=svr4],
[_LT_WITH_AIX_SONAME([aix])])
])
])# _LT_SET_OPTIONS
## --------------------------------- ##
## Macros to handle LT_INIT options. ##
## --------------------------------- ##
# _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME)
# -----------------------------------------
m4_define([_LT_MANGLE_DEFUN],
[[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])])
# LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE)
# -----------------------------------------------
m4_define([LT_OPTION_DEFINE],
[m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl
])# LT_OPTION_DEFINE
# dlopen
# ------
LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes
])
AU_DEFUN([AC_LIBTOOL_DLOPEN],
[_LT_SET_OPTION([LT_INIT], [dlopen])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you
put the 'dlopen' option into LT_INIT's first parameter.])
])
dnl aclocal-1.4 backwards compatibility:
dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], [])
# win32-dll
# ---------
# Declare package support for building win32 dll's.
LT_OPTION_DEFINE([LT_INIT], [win32-dll],
[enable_win32_dll=yes
case $host in
*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-cegcc*)
AC_CHECK_TOOL(AS, as, false)
AC_CHECK_TOOL(DLLTOOL, dlltool, false)
AC_CHECK_TOOL(OBJDUMP, objdump, false)
;;
esac
test -z "$AS" && AS=as
_LT_DECL([], [AS], [1], [Assembler program])dnl
test -z "$DLLTOOL" && DLLTOOL=dlltool
_LT_DECL([], [DLLTOOL], [1], [DLL creation program])dnl
test -z "$OBJDUMP" && OBJDUMP=objdump
_LT_DECL([], [OBJDUMP], [1], [Object dumper program])dnl
])# win32-dll
AU_DEFUN([AC_LIBTOOL_WIN32_DLL],
[AC_REQUIRE([AC_CANONICAL_HOST])dnl
_LT_SET_OPTION([LT_INIT], [win32-dll])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you
put the 'win32-dll' option into LT_INIT's first parameter.])
])
dnl aclocal-1.4 backwards compatibility:
dnl AC_DEFUN([AC_LIBTOOL_WIN32_DLL], [])
# _LT_ENABLE_SHARED([DEFAULT])
# ----------------------------
# implement the --enable-shared flag, and supports the 'shared' and
# 'disable-shared' LT_INIT options.
# DEFAULT is either 'yes' or 'no'. If omitted, it defaults to 'yes'.
m4_define([_LT_ENABLE_SHARED],
[m4_define([_LT_ENABLE_SHARED_DEFAULT], [m4_if($1, no, no, yes)])dnl
AC_ARG_ENABLE([shared],
[AS_HELP_STRING([--enable-shared@<:@=PKGS@:>@],
[build shared libraries @<:@default=]_LT_ENABLE_SHARED_DEFAULT[@:>@])],
[p=${PACKAGE-default}
case $enableval in
yes) enable_shared=yes ;;
no) enable_shared=no ;;
*)
enable_shared=no
# Look at the argument we got. We use all the common list separators.
lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
for pkg in $enableval; do
IFS=$lt_save_ifs
if test "X$pkg" = "X$p"; then
enable_shared=yes
fi
done
IFS=$lt_save_ifs
;;
esac],
[enable_shared=]_LT_ENABLE_SHARED_DEFAULT)
_LT_DECL([build_libtool_libs], [enable_shared], [0],
[Whether or not to build shared libraries])
])# _LT_ENABLE_SHARED
LT_OPTION_DEFINE([LT_INIT], [shared], [_LT_ENABLE_SHARED([yes])])
LT_OPTION_DEFINE([LT_INIT], [disable-shared], [_LT_ENABLE_SHARED([no])])
# Old names:
AC_DEFUN([AC_ENABLE_SHARED],
[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[shared])
])
AC_DEFUN([AC_DISABLE_SHARED],
[_LT_SET_OPTION([LT_INIT], [disable-shared])
])
AU_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)])
AU_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)])
dnl aclocal-1.4 backwards compatibility:
dnl AC_DEFUN([AM_ENABLE_SHARED], [])
dnl AC_DEFUN([AM_DISABLE_SHARED], [])
# _LT_ENABLE_STATIC([DEFAULT])
# ----------------------------
# implement the --enable-static flag, and support the 'static' and
# 'disable-static' LT_INIT options.
# DEFAULT is either 'yes' or 'no'. If omitted, it defaults to 'yes'.
m4_define([_LT_ENABLE_STATIC],
[m4_define([_LT_ENABLE_STATIC_DEFAULT], [m4_if($1, no, no, yes)])dnl
AC_ARG_ENABLE([static],
[AS_HELP_STRING([--enable-static@<:@=PKGS@:>@],
[build static libraries @<:@default=]_LT_ENABLE_STATIC_DEFAULT[@:>@])],
[p=${PACKAGE-default}
case $enableval in
yes) enable_static=yes ;;
no) enable_static=no ;;
*)
enable_static=no
# Look at the argument we got. We use all the common list separators.
lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
for pkg in $enableval; do
IFS=$lt_save_ifs
if test "X$pkg" = "X$p"; then
enable_static=yes
fi
done
IFS=$lt_save_ifs
;;
esac],
[enable_static=]_LT_ENABLE_STATIC_DEFAULT)
_LT_DECL([build_old_libs], [enable_static], [0],
[Whether or not to build static libraries])
])# _LT_ENABLE_STATIC
LT_OPTION_DEFINE([LT_INIT], [static], [_LT_ENABLE_STATIC([yes])])
LT_OPTION_DEFINE([LT_INIT], [disable-static], [_LT_ENABLE_STATIC([no])])
# Old names:
AC_DEFUN([AC_ENABLE_STATIC],
[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[static])
])
AC_DEFUN([AC_DISABLE_STATIC],
[_LT_SET_OPTION([LT_INIT], [disable-static])
])
AU_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)])
AU_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)])
dnl aclocal-1.4 backwards compatibility:
dnl AC_DEFUN([AM_ENABLE_STATIC], [])
dnl AC_DEFUN([AM_DISABLE_STATIC], [])
# _LT_ENABLE_FAST_INSTALL([DEFAULT])
# ----------------------------------
# implement the --enable-fast-install flag, and support the 'fast-install'
# and 'disable-fast-install' LT_INIT options.
# DEFAULT is either 'yes' or 'no'. If omitted, it defaults to 'yes'.
m4_define([_LT_ENABLE_FAST_INSTALL],
[m4_define([_LT_ENABLE_FAST_INSTALL_DEFAULT], [m4_if($1, no, no, yes)])dnl
AC_ARG_ENABLE([fast-install],
[AS_HELP_STRING([--enable-fast-install@<:@=PKGS@:>@],
[optimize for fast installation @<:@default=]_LT_ENABLE_FAST_INSTALL_DEFAULT[@:>@])],
[p=${PACKAGE-default}
case $enableval in
yes) enable_fast_install=yes ;;
no) enable_fast_install=no ;;
*)
enable_fast_install=no
# Look at the argument we got. We use all the common list separators.
lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
for pkg in $enableval; do
IFS=$lt_save_ifs
if test "X$pkg" = "X$p"; then
enable_fast_install=yes
fi
done
IFS=$lt_save_ifs
;;
esac],
[enable_fast_install=]_LT_ENABLE_FAST_INSTALL_DEFAULT)
_LT_DECL([fast_install], [enable_fast_install], [0],
[Whether or not to optimize for fast installation])dnl
])# _LT_ENABLE_FAST_INSTALL
LT_OPTION_DEFINE([LT_INIT], [fast-install], [_LT_ENABLE_FAST_INSTALL([yes])])
LT_OPTION_DEFINE([LT_INIT], [disable-fast-install], [_LT_ENABLE_FAST_INSTALL([no])])
# Old names:
AU_DEFUN([AC_ENABLE_FAST_INSTALL],
[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[fast-install])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you put
the 'fast-install' option into LT_INIT's first parameter.])
])
AU_DEFUN([AC_DISABLE_FAST_INSTALL],
[_LT_SET_OPTION([LT_INIT], [disable-fast-install])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you put
the 'disable-fast-install' option into LT_INIT's first parameter.])
])
dnl aclocal-1.4 backwards compatibility:
dnl AC_DEFUN([AC_ENABLE_FAST_INSTALL], [])
dnl AC_DEFUN([AM_DISABLE_FAST_INSTALL], [])
# _LT_WITH_AIX_SONAME([DEFAULT])
# ----------------------------------
# implement the --with-aix-soname flag, and support the `aix-soname=aix'
# and `aix-soname=both' and `aix-soname=svr4' LT_INIT options. DEFAULT
# is either `aix', `both' or `svr4'. If omitted, it defaults to `aix'.
m4_define([_LT_WITH_AIX_SONAME],
[m4_define([_LT_WITH_AIX_SONAME_DEFAULT], [m4_if($1, svr4, svr4, m4_if($1, both, both, aix))])dnl
shared_archive_member_spec=
case $host,$enable_shared in
power*-*-aix[[5-9]]*,yes)
AC_MSG_CHECKING([which variant of shared library versioning to provide])
AC_ARG_WITH([aix-soname],
[AS_HELP_STRING([--with-aix-soname=aix|svr4|both],
[shared library versioning (aka "SONAME") variant to provide on AIX, @<:@default=]_LT_WITH_AIX_SONAME_DEFAULT[@:>@.])],
[case $withval in
aix|svr4|both)
;;
*)
AC_MSG_ERROR([Unknown argument to --with-aix-soname])
;;
esac
lt_cv_with_aix_soname=$with_aix_soname],
[AC_CACHE_VAL([lt_cv_with_aix_soname],
[lt_cv_with_aix_soname=]_LT_WITH_AIX_SONAME_DEFAULT)
with_aix_soname=$lt_cv_with_aix_soname])
AC_MSG_RESULT([$with_aix_soname])
if test aix != "$with_aix_soname"; then
# For the AIX way of multilib, we name the shared archive member
# based on the bitwidth used, traditionally 'shr.o' or 'shr_64.o',
# and 'shr.imp' or 'shr_64.imp', respectively, for the Import File.
# Even when GNU compilers ignore OBJECT_MODE but need '-maix64' flag,
# the AIX toolchain works better with OBJECT_MODE set (default 32).
if test 64 = "${OBJECT_MODE-32}"; then
shared_archive_member_spec=shr_64
else
shared_archive_member_spec=shr
fi
fi
;;
*)
with_aix_soname=aix
;;
esac
_LT_DECL([], [shared_archive_member_spec], [0],
[Shared archive member basename, for filename based shared library versioning on AIX])dnl
])# _LT_WITH_AIX_SONAME
LT_OPTION_DEFINE([LT_INIT], [aix-soname=aix], [_LT_WITH_AIX_SONAME([aix])])
LT_OPTION_DEFINE([LT_INIT], [aix-soname=both], [_LT_WITH_AIX_SONAME([both])])
LT_OPTION_DEFINE([LT_INIT], [aix-soname=svr4], [_LT_WITH_AIX_SONAME([svr4])])
# _LT_WITH_PIC([MODE])
# --------------------
# implement the --with-pic flag, and support the 'pic-only' and 'no-pic'
# LT_INIT options.
# MODE is either 'yes' or 'no'. If omitted, it defaults to 'both'.
m4_define([_LT_WITH_PIC],
[AC_ARG_WITH([pic],
[AS_HELP_STRING([--with-pic@<:@=PKGS@:>@],
[try to use only PIC/non-PIC objects @<:@default=use both@:>@])],
[lt_p=${PACKAGE-default}
case $withval in
yes|no) pic_mode=$withval ;;
*)
pic_mode=default
# Look at the argument we got. We use all the common list separators.
lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
for lt_pkg in $withval; do
IFS=$lt_save_ifs
if test "X$lt_pkg" = "X$lt_p"; then
pic_mode=yes
fi
done
IFS=$lt_save_ifs
;;
esac],
[pic_mode=m4_default([$1], [default])])
_LT_DECL([], [pic_mode], [0], [What type of objects to build])dnl
])# _LT_WITH_PIC
LT_OPTION_DEFINE([LT_INIT], [pic-only], [_LT_WITH_PIC([yes])])
LT_OPTION_DEFINE([LT_INIT], [no-pic], [_LT_WITH_PIC([no])])
# Old name:
AU_DEFUN([AC_LIBTOOL_PICMODE],
[_LT_SET_OPTION([LT_INIT], [pic-only])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you
put the 'pic-only' option into LT_INIT's first parameter.])
])
dnl aclocal-1.4 backwards compatibility:
dnl AC_DEFUN([AC_LIBTOOL_PICMODE], [])
## ----------------- ##
## LTDL_INIT Options ##
## ----------------- ##
m4_define([_LTDL_MODE], [])
LT_OPTION_DEFINE([LTDL_INIT], [nonrecursive],
[m4_define([_LTDL_MODE], [nonrecursive])])
LT_OPTION_DEFINE([LTDL_INIT], [recursive],
[m4_define([_LTDL_MODE], [recursive])])
LT_OPTION_DEFINE([LTDL_INIT], [subproject],
[m4_define([_LTDL_MODE], [subproject])])
m4_define([_LTDL_TYPE], [])
LT_OPTION_DEFINE([LTDL_INIT], [installable],
[m4_define([_LTDL_TYPE], [installable])])
LT_OPTION_DEFINE([LTDL_INIT], [convenience],
[m4_define([_LTDL_TYPE], [convenience])])

124
extern/xdelta3/m4/ltsugar.m4 vendored Normal file
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@ -0,0 +1,124 @@
# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*-
#
# Copyright (C) 2004-2005, 2007-2008, 2011-2015 Free Software
# Foundation, Inc.
# Written by Gary V. Vaughan, 2004
#
# This file is free software; the Free Software Foundation gives
# unlimited permission to copy and/or distribute it, with or without
# modifications, as long as this notice is preserved.
# serial 6 ltsugar.m4
# This is to help aclocal find these macros, as it can't see m4_define.
AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])])
# lt_join(SEP, ARG1, [ARG2...])
# -----------------------------
# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their
# associated separator.
# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier
# versions in m4sugar had bugs.
m4_define([lt_join],
[m4_if([$#], [1], [],
[$#], [2], [[$2]],
[m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])])
m4_define([_lt_join],
[m4_if([$#$2], [2], [],
[m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])])
# lt_car(LIST)
# lt_cdr(LIST)
# ------------
# Manipulate m4 lists.
# These macros are necessary as long as will still need to support
# Autoconf-2.59, which quotes differently.
m4_define([lt_car], [[$1]])
m4_define([lt_cdr],
[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])],
[$#], 1, [],
[m4_dquote(m4_shift($@))])])
m4_define([lt_unquote], $1)
# lt_append(MACRO-NAME, STRING, [SEPARATOR])
# ------------------------------------------
# Redefine MACRO-NAME to hold its former content plus 'SEPARATOR''STRING'.
# Note that neither SEPARATOR nor STRING are expanded; they are appended
# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked).
# No SEPARATOR is output if MACRO-NAME was previously undefined (different
# than defined and empty).
#
# This macro is needed until we can rely on Autoconf 2.62, since earlier
# versions of m4sugar mistakenly expanded SEPARATOR but not STRING.
m4_define([lt_append],
[m4_define([$1],
m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])])
# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...])
# ----------------------------------------------------------
# Produce a SEP delimited list of all paired combinations of elements of
# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list
# has the form PREFIXmINFIXSUFFIXn.
# Needed until we can rely on m4_combine added in Autoconf 2.62.
m4_define([lt_combine],
[m4_if(m4_eval([$# > 3]), [1],
[m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl
[[m4_foreach([_Lt_prefix], [$2],
[m4_foreach([_Lt_suffix],
]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[,
[_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])])
# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ])
# -----------------------------------------------------------------------
# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited
# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ.
m4_define([lt_if_append_uniq],
[m4_ifdef([$1],
[m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1],
[lt_append([$1], [$2], [$3])$4],
[$5])],
[lt_append([$1], [$2], [$3])$4])])
# lt_dict_add(DICT, KEY, VALUE)
# -----------------------------
m4_define([lt_dict_add],
[m4_define([$1($2)], [$3])])
# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE)
# --------------------------------------------
m4_define([lt_dict_add_subkey],
[m4_define([$1($2:$3)], [$4])])
# lt_dict_fetch(DICT, KEY, [SUBKEY])
# ----------------------------------
m4_define([lt_dict_fetch],
[m4_ifval([$3],
m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]),
m4_ifdef([$1($2)], [m4_defn([$1($2)])]))])
# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE])
# -----------------------------------------------------------------
m4_define([lt_if_dict_fetch],
[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4],
[$5],
[$6])])
# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...])
# --------------------------------------------------------------
m4_define([lt_dict_filter],
[m4_if([$5], [], [],
[lt_join(m4_quote(m4_default([$4], [[, ]])),
lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]),
[lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl
])

23
extern/xdelta3/m4/ltversion.m4 vendored Normal file
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@ -0,0 +1,23 @@
# ltversion.m4 -- version numbers -*- Autoconf -*-
#
# Copyright (C) 2004, 2011-2015 Free Software Foundation, Inc.
# Written by Scott James Remnant, 2004
#
# This file is free software; the Free Software Foundation gives
# unlimited permission to copy and/or distribute it, with or without
# modifications, as long as this notice is preserved.
# @configure_input@
# serial 4179 ltversion.m4
# This file is part of GNU Libtool
m4_define([LT_PACKAGE_VERSION], [2.4.6])
m4_define([LT_PACKAGE_REVISION], [2.4.6])
AC_DEFUN([LTVERSION_VERSION],
[macro_version='2.4.6'
macro_revision='2.4.6'
_LT_DECL(, macro_version, 0, [Which release of libtool.m4 was used?])
_LT_DECL(, macro_revision, 0)
])

99
extern/xdelta3/m4/lt~obsolete.m4 vendored Normal file
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@ -0,0 +1,99 @@
# lt~obsolete.m4 -- aclocal satisfying obsolete definitions. -*-Autoconf-*-
#
# Copyright (C) 2004-2005, 2007, 2009, 2011-2015 Free Software
# Foundation, Inc.
# Written by Scott James Remnant, 2004.
#
# This file is free software; the Free Software Foundation gives
# unlimited permission to copy and/or distribute it, with or without
# modifications, as long as this notice is preserved.
# serial 5 lt~obsolete.m4
# These exist entirely to fool aclocal when bootstrapping libtool.
#
# In the past libtool.m4 has provided macros via AC_DEFUN (or AU_DEFUN),
# which have later been changed to m4_define as they aren't part of the
# exported API, or moved to Autoconf or Automake where they belong.
#
# The trouble is, aclocal is a bit thick. It'll see the old AC_DEFUN
# in /usr/share/aclocal/libtool.m4 and remember it, then when it sees us
# using a macro with the same name in our local m4/libtool.m4 it'll
# pull the old libtool.m4 in (it doesn't see our shiny new m4_define
# and doesn't know about Autoconf macros at all.)
#
# So we provide this file, which has a silly filename so it's always
# included after everything else. This provides aclocal with the
# AC_DEFUNs it wants, but when m4 processes it, it doesn't do anything
# because those macros already exist, or will be overwritten later.
# We use AC_DEFUN over AU_DEFUN for compatibility with aclocal-1.6.
#
# Anytime we withdraw an AC_DEFUN or AU_DEFUN, remember to add it here.
# Yes, that means every name once taken will need to remain here until
# we give up compatibility with versions before 1.7, at which point
# we need to keep only those names which we still refer to.
# This is to help aclocal find these macros, as it can't see m4_define.
AC_DEFUN([LTOBSOLETE_VERSION], [m4_if([1])])
m4_ifndef([AC_LIBTOOL_LINKER_OPTION], [AC_DEFUN([AC_LIBTOOL_LINKER_OPTION])])
m4_ifndef([AC_PROG_EGREP], [AC_DEFUN([AC_PROG_EGREP])])
m4_ifndef([_LT_AC_PROG_ECHO_BACKSLASH], [AC_DEFUN([_LT_AC_PROG_ECHO_BACKSLASH])])
m4_ifndef([_LT_AC_SHELL_INIT], [AC_DEFUN([_LT_AC_SHELL_INIT])])
m4_ifndef([_LT_AC_SYS_LIBPATH_AIX], [AC_DEFUN([_LT_AC_SYS_LIBPATH_AIX])])
m4_ifndef([_LT_PROG_LTMAIN], [AC_DEFUN([_LT_PROG_LTMAIN])])
m4_ifndef([_LT_AC_TAGVAR], [AC_DEFUN([_LT_AC_TAGVAR])])
m4_ifndef([AC_LTDL_ENABLE_INSTALL], [AC_DEFUN([AC_LTDL_ENABLE_INSTALL])])
m4_ifndef([AC_LTDL_PREOPEN], [AC_DEFUN([AC_LTDL_PREOPEN])])
m4_ifndef([_LT_AC_SYS_COMPILER], [AC_DEFUN([_LT_AC_SYS_COMPILER])])
m4_ifndef([_LT_AC_LOCK], [AC_DEFUN([_LT_AC_LOCK])])
m4_ifndef([AC_LIBTOOL_SYS_OLD_ARCHIVE], [AC_DEFUN([AC_LIBTOOL_SYS_OLD_ARCHIVE])])
m4_ifndef([_LT_AC_TRY_DLOPEN_SELF], [AC_DEFUN([_LT_AC_TRY_DLOPEN_SELF])])
m4_ifndef([AC_LIBTOOL_PROG_CC_C_O], [AC_DEFUN([AC_LIBTOOL_PROG_CC_C_O])])
m4_ifndef([AC_LIBTOOL_SYS_HARD_LINK_LOCKS], [AC_DEFUN([AC_LIBTOOL_SYS_HARD_LINK_LOCKS])])
m4_ifndef([AC_LIBTOOL_OBJDIR], [AC_DEFUN([AC_LIBTOOL_OBJDIR])])
m4_ifndef([AC_LTDL_OBJDIR], [AC_DEFUN([AC_LTDL_OBJDIR])])
m4_ifndef([AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH], [AC_DEFUN([AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH])])
m4_ifndef([AC_LIBTOOL_SYS_LIB_STRIP], [AC_DEFUN([AC_LIBTOOL_SYS_LIB_STRIP])])
m4_ifndef([AC_PATH_MAGIC], [AC_DEFUN([AC_PATH_MAGIC])])
m4_ifndef([AC_PROG_LD_GNU], [AC_DEFUN([AC_PROG_LD_GNU])])
m4_ifndef([AC_PROG_LD_RELOAD_FLAG], [AC_DEFUN([AC_PROG_LD_RELOAD_FLAG])])
m4_ifndef([AC_DEPLIBS_CHECK_METHOD], [AC_DEFUN([AC_DEPLIBS_CHECK_METHOD])])
m4_ifndef([AC_LIBTOOL_PROG_COMPILER_NO_RTTI], [AC_DEFUN([AC_LIBTOOL_PROG_COMPILER_NO_RTTI])])
m4_ifndef([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE], [AC_DEFUN([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE])])
m4_ifndef([AC_LIBTOOL_PROG_COMPILER_PIC], [AC_DEFUN([AC_LIBTOOL_PROG_COMPILER_PIC])])
m4_ifndef([AC_LIBTOOL_PROG_LD_SHLIBS], [AC_DEFUN([AC_LIBTOOL_PROG_LD_SHLIBS])])
m4_ifndef([AC_LIBTOOL_POSTDEP_PREDEP], [AC_DEFUN([AC_LIBTOOL_POSTDEP_PREDEP])])
m4_ifndef([LT_AC_PROG_EGREP], [AC_DEFUN([LT_AC_PROG_EGREP])])
m4_ifndef([LT_AC_PROG_SED], [AC_DEFUN([LT_AC_PROG_SED])])
m4_ifndef([_LT_CC_BASENAME], [AC_DEFUN([_LT_CC_BASENAME])])
m4_ifndef([_LT_COMPILER_BOILERPLATE], [AC_DEFUN([_LT_COMPILER_BOILERPLATE])])
m4_ifndef([_LT_LINKER_BOILERPLATE], [AC_DEFUN([_LT_LINKER_BOILERPLATE])])
m4_ifndef([_AC_PROG_LIBTOOL], [AC_DEFUN([_AC_PROG_LIBTOOL])])
m4_ifndef([AC_LIBTOOL_SETUP], [AC_DEFUN([AC_LIBTOOL_SETUP])])
m4_ifndef([_LT_AC_CHECK_DLFCN], [AC_DEFUN([_LT_AC_CHECK_DLFCN])])
m4_ifndef([AC_LIBTOOL_SYS_DYNAMIC_LINKER], [AC_DEFUN([AC_LIBTOOL_SYS_DYNAMIC_LINKER])])
m4_ifndef([_LT_AC_TAGCONFIG], [AC_DEFUN([_LT_AC_TAGCONFIG])])
m4_ifndef([AC_DISABLE_FAST_INSTALL], [AC_DEFUN([AC_DISABLE_FAST_INSTALL])])
m4_ifndef([_LT_AC_LANG_CXX], [AC_DEFUN([_LT_AC_LANG_CXX])])
m4_ifndef([_LT_AC_LANG_F77], [AC_DEFUN([_LT_AC_LANG_F77])])
m4_ifndef([_LT_AC_LANG_GCJ], [AC_DEFUN([_LT_AC_LANG_GCJ])])
m4_ifndef([AC_LIBTOOL_LANG_C_CONFIG], [AC_DEFUN([AC_LIBTOOL_LANG_C_CONFIG])])
m4_ifndef([_LT_AC_LANG_C_CONFIG], [AC_DEFUN([_LT_AC_LANG_C_CONFIG])])
m4_ifndef([AC_LIBTOOL_LANG_CXX_CONFIG], [AC_DEFUN([AC_LIBTOOL_LANG_CXX_CONFIG])])
m4_ifndef([_LT_AC_LANG_CXX_CONFIG], [AC_DEFUN([_LT_AC_LANG_CXX_CONFIG])])
m4_ifndef([AC_LIBTOOL_LANG_F77_CONFIG], [AC_DEFUN([AC_LIBTOOL_LANG_F77_CONFIG])])
m4_ifndef([_LT_AC_LANG_F77_CONFIG], [AC_DEFUN([_LT_AC_LANG_F77_CONFIG])])
m4_ifndef([AC_LIBTOOL_LANG_GCJ_CONFIG], [AC_DEFUN([AC_LIBTOOL_LANG_GCJ_CONFIG])])
m4_ifndef([_LT_AC_LANG_GCJ_CONFIG], [AC_DEFUN([_LT_AC_LANG_GCJ_CONFIG])])
m4_ifndef([AC_LIBTOOL_LANG_RC_CONFIG], [AC_DEFUN([AC_LIBTOOL_LANG_RC_CONFIG])])
m4_ifndef([_LT_AC_LANG_RC_CONFIG], [AC_DEFUN([_LT_AC_LANG_RC_CONFIG])])
m4_ifndef([AC_LIBTOOL_CONFIG], [AC_DEFUN([AC_LIBTOOL_CONFIG])])
m4_ifndef([_LT_AC_FILE_LTDLL_C], [AC_DEFUN([_LT_AC_FILE_LTDLL_C])])
m4_ifndef([_LT_REQUIRED_DARWIN_CHECKS], [AC_DEFUN([_LT_REQUIRED_DARWIN_CHECKS])])
m4_ifndef([_LT_AC_PROG_CXXCPP], [AC_DEFUN([_LT_AC_PROG_CXXCPP])])
m4_ifndef([_LT_PREPARE_SED_QUOTE_VARS], [AC_DEFUN([_LT_PREPARE_SED_QUOTE_VARS])])
m4_ifndef([_LT_PROG_ECHO_BACKSLASH], [AC_DEFUN([_LT_PROG_ECHO_BACKSLASH])])
m4_ifndef([_LT_PROG_F77], [AC_DEFUN([_LT_PROG_F77])])
m4_ifndef([_LT_PROG_FC], [AC_DEFUN([_LT_PROG_FC])])
m4_ifndef([_LT_PROG_CXX], [AC_DEFUN([_LT_PROG_CXX])])

215
extern/xdelta3/missing vendored Executable file
View File

@ -0,0 +1,215 @@
#! /bin/sh
# Common wrapper for a few potentially missing GNU programs.
scriptversion=2013-10-28.13; # UTC
# Copyright (C) 1996-2014 Free Software Foundation, Inc.
# Originally written by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.
if test $# -eq 0; then
echo 1>&2 "Try '$0 --help' for more information"
exit 1
fi
case $1 in
--is-lightweight)
# Used by our autoconf macros to check whether the available missing
# script is modern enough.
exit 0
;;
--run)
# Back-compat with the calling convention used by older automake.
shift
;;
-h|--h|--he|--hel|--help)
echo "\
$0 [OPTION]... PROGRAM [ARGUMENT]...
Run 'PROGRAM [ARGUMENT]...', returning a proper advice when this fails due
to PROGRAM being missing or too old.
Options:
-h, --help display this help and exit
-v, --version output version information and exit
Supported PROGRAM values:
aclocal autoconf autoheader autom4te automake makeinfo
bison yacc flex lex help2man
Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and
'g' are ignored when checking the name.
Send bug reports to <bug-automake@gnu.org>."
exit $?
;;
-v|--v|--ve|--ver|--vers|--versi|--versio|--version)
echo "missing $scriptversion (GNU Automake)"
exit $?
;;
-*)
echo 1>&2 "$0: unknown '$1' option"
echo 1>&2 "Try '$0 --help' for more information"
exit 1
;;
esac
# Run the given program, remember its exit status.
"$@"; st=$?
# If it succeeded, we are done.
test $st -eq 0 && exit 0
# Also exit now if we it failed (or wasn't found), and '--version' was
# passed; such an option is passed most likely to detect whether the
# program is present and works.
case $2 in --version|--help) exit $st;; esac
# Exit code 63 means version mismatch. This often happens when the user
# tries to use an ancient version of a tool on a file that requires a
# minimum version.
if test $st -eq 63; then
msg="probably too old"
elif test $st -eq 127; then
# Program was missing.
msg="missing on your system"
else
# Program was found and executed, but failed. Give up.
exit $st
fi
perl_URL=http://www.perl.org/
flex_URL=http://flex.sourceforge.net/
gnu_software_URL=http://www.gnu.org/software
program_details ()
{
case $1 in
aclocal|automake)
echo "The '$1' program is part of the GNU Automake package:"
echo "<$gnu_software_URL/automake>"
echo "It also requires GNU Autoconf, GNU m4 and Perl in order to run:"
echo "<$gnu_software_URL/autoconf>"
echo "<$gnu_software_URL/m4/>"
echo "<$perl_URL>"
;;
autoconf|autom4te|autoheader)
echo "The '$1' program is part of the GNU Autoconf package:"
echo "<$gnu_software_URL/autoconf/>"
echo "It also requires GNU m4 and Perl in order to run:"
echo "<$gnu_software_URL/m4/>"
echo "<$perl_URL>"
;;
esac
}
give_advice ()
{
# Normalize program name to check for.
normalized_program=`echo "$1" | sed '
s/^gnu-//; t
s/^gnu//; t
s/^g//; t'`
printf '%s\n' "'$1' is $msg."
configure_deps="'configure.ac' or m4 files included by 'configure.ac'"
case $normalized_program in
autoconf*)
echo "You should only need it if you modified 'configure.ac',"
echo "or m4 files included by it."
program_details 'autoconf'
;;
autoheader*)
echo "You should only need it if you modified 'acconfig.h' or"
echo "$configure_deps."
program_details 'autoheader'
;;
automake*)
echo "You should only need it if you modified 'Makefile.am' or"
echo "$configure_deps."
program_details 'automake'
;;
aclocal*)
echo "You should only need it if you modified 'acinclude.m4' or"
echo "$configure_deps."
program_details 'aclocal'
;;
autom4te*)
echo "You might have modified some maintainer files that require"
echo "the 'autom4te' program to be rebuilt."
program_details 'autom4te'
;;
bison*|yacc*)
echo "You should only need it if you modified a '.y' file."
echo "You may want to install the GNU Bison package:"
echo "<$gnu_software_URL/bison/>"
;;
lex*|flex*)
echo "You should only need it if you modified a '.l' file."
echo "You may want to install the Fast Lexical Analyzer package:"
echo "<$flex_URL>"
;;
help2man*)
echo "You should only need it if you modified a dependency" \
"of a man page."
echo "You may want to install the GNU Help2man package:"
echo "<$gnu_software_URL/help2man/>"
;;
makeinfo*)
echo "You should only need it if you modified a '.texi' file, or"
echo "any other file indirectly affecting the aspect of the manual."
echo "You might want to install the Texinfo package:"
echo "<$gnu_software_URL/texinfo/>"
echo "The spurious makeinfo call might also be the consequence of"
echo "using a buggy 'make' (AIX, DU, IRIX), in which case you might"
echo "want to install GNU make:"
echo "<$gnu_software_URL/make/>"
;;
*)
echo "You might have modified some files without having the proper"
echo "tools for further handling them. Check the 'README' file, it"
echo "often tells you about the needed prerequisites for installing"
echo "this package. You may also peek at any GNU archive site, in"
echo "case some other package contains this missing '$1' program."
;;
esac
}
give_advice "$1" | sed -e '1s/^/WARNING: /' \
-e '2,$s/^/ /' >&2
# Propagate the correct exit status (expected to be 127 for a program
# not found, 63 for a program that failed due to version mismatch).
exit $st
# Local variables:
# eval: (add-hook 'write-file-hooks 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
# time-stamp-time-zone: "UTC"
# time-stamp-end: "; # UTC"
# End:

265
extern/xdelta3/run_release.sh vendored Executable file
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@ -0,0 +1,265 @@
#!/bin/bash
# Run from the source dir.
SRCDIR=${PWD}
# TODO replace w/ wget
LZMA="xz-5.2.1"
LZMA_FILE="${SRCDIR}/../${LZMA}.tar.xz"
MAKEFLAGS="-j 10"
BUILDDIR=${SRCDIR}/build
LZMASRC=${BUILDDIR}/${LZMA}
NONWIN_CFLAGS=""
MINGW_CFLAGS="-DEXTERNAL_COMPRESSION=0 -DXD3_WIN32=1 -DSHELL_TESTS=0"
MYOS=`uname`
DATE=`date`
CLEAN=""
LINUXTGTS=""
LINUXTEST1=""
LINUXTEST2=""
WINTGTS=""
WINTEST1=""
WINTEST2=""
OSXTGTS=""
OSXTEST1=""
OSXTEST2=""
XTMP="/tmp"
if [ "${TMP}" != "" ]; then
XTMP="${TMP}"
fi
if [ "${TMPDIR}" != "" ]; then
XTMP="${TMPDIR}"
fi
find build -type f 2> /dev/null | xargs rm -f
function setup {
libtoolize
automake --add-missing
aclocal -I m4
automake
autoheader
autoconf
}
function try {
local w=$1
shift
local dir=$1
shift
echo -n " ${w} ... "
(cd "${dir}" && "$@" >${w}.stdout 2>${w}.stderr)
local s=$?
if [ ${s} -eq 0 ]; then
echo " success"
else
echo " failed!"
echo "Error $1 in ${dir}" >&2
fi
return ${s}
}
function buildlzma {
host=$1
march=$2
local target="${BUILDDIR}/lib-${host}${march}"
echo " ... liblzma"
mkdir -p ${target}
try configure-lzma ${target} ${LZMASRC}/configure \
--host=${host} \
--prefix=${target} \
--disable-shared \
"CFLAGS=${march}" \
"CXXFLAGS=${march}" \
"LDFLAGS=${march}"
if [ $? -ne 0 ]; then
return
fi
try build-lzma ${target} make ${MAKEFLAGS}
if [ $? -ne 0 ]; then
return
fi
try install-lzma ${target} make install
if [ $? -ne 0 ]; then
return
fi
}
function buildit {
local host=$1
local march=$2
local offsetbits=$3
local cargs=$4
local afl=$5
local BM="${host}${march}"
local USECC="${CC}"
local USECXX="${CXX}"
local LIBBM="${BM}"
if [ "${afl}" = "1" ]; then
USECC="afl-gcc"
USECXX="afl-g++"
BM="${BM}-afl"
fi
local D="build/${BM}/xoff${offsetbits}"
local BMD="${BM}-${offsetbits}"
local FULLD="${SRCDIR}/${D}"
local CFLAGS="${march} ${cargs} -I${SRCDIR}/build/lib-${LIBBM}/include"
local CXXFLAGS="${march} ${cargs} -I${SRCDIR}/build/lib-${LIBBM}/include"
local CPPFLAGS="-I${SRCDIR}/build/lib-${LIBBM}/include"
local LDFLAGS="${march} -L${SRCDIR}/build/lib-${LIBBM}/lib"
mkdir -p ${D}
echo " ... ${BMD}"
cat >> Makefile.test <<EOF
# ${BMD}
# ${CFLAGS}
.PHONY: build-${BMD}
build-${BMD}:
(cd ${D} && make all && make install)
.PHONY: clean-${BMD}
clean-${BMD}:
(cd ${D} && make clean)
.PHONY: regtest-${BMD}
regtest-${BMD}:
(cd ${D} && ./xdelta3regtest 1> \${TMP}/regtest.${BMD}.stdout 2> \${TMP}/regtest.${BMD}.stderr)
.PHONY: selftest-${BMD}
selftest-${BMD}:
(cd ${D} && ./bin/xdelta3 test 1> \${TMP}/selftest.${BMD}.stdout 2> \${TMP}/selftest.${BMD}.stderr)
EOF
case ${host} in
*linux*)
LINUXTGTS="${LINUXTGTS} build-${BMD}"
LINUXTEST1="${LINUXTEST1} selftest-${BMD}"
LINUXTEST2="${LINUXTEST2} regtest-${BMD}"
;;
*mingw*)
WINTGTS="${WINTGTS} build-${BMD}"
WINTEST1="${WINTEST1} selftest-${BMD}"
WINTEST2="${WINTEST2} regtest-${BMD}"
;;
*apple*)
OSXTGTS="${OSXTGTS} build-${BMD}"
OSXTEST1="${OSXTEST1} selftest-${BMD}"
OSXTEST2="${OSXTEST2} regtest-${BMD}"
;;
esac
CLEAN="${CLEAN} clean-${BMD}"
try configure-xdelta ${FULLD} ${SRCDIR}/configure \
--host=${host} \
--prefix=${FULLD} \
--enable-static \
--disable-shared \
--enable-debug-symbols \
"CFLAGS=${CFLAGS}" \
"CXXFLAGS=${CXXFLAGS}" \
"CPPFLAGS=${CPPFLAGS}" \
"LDFLAGS=${LDFLAGS}" \
"CC=${USECC}" \
"CXX=${USECXX}"
if [ $? -ne 0 ]; then
return
fi
# try build-xdelta ${FULLD} make ${MAKEFLAGS} all
# if [ $? -ne 0 ]; then
# return
# fi
# try install-xdelta ${FULLD} make install
}
function buildall {
echo ""
echo "Host $1$2 afl=$4"
echo ""
buildlzma "$1" "$2"
buildit "$1" "$2" 32 "-DXD3_USE_LARGEFILE64=0 $3" "$4"
buildit "$1" "$2" 64 "-DXD3_USE_LARGEFILE64=1 $3" "$4"
}
setup
try untar-lzma ${BUILDDIR} tar -xvf "${LZMA_FILE}"
if [ $? -ne 0 ]; then
exit $?
fi
cat > Makefile.test <<EOF
# Auto-generated ${DATE} -*- Mode: Makefile -*-
TMP = ${XTMP}
all: linux windows apple
EOF
# Native compiles
if [ "${MYOS}" == "Linux" ]; then
# Linux
buildall x86_64-pc-linux-gnu -m32 "${NONWIN_CFLAGS}" "0"
buildall x86_64-pc-linux-gnu -m32 "${NONWIN_CFLAGS}" "1"
buildall x86_64-pc-linux-gnu -m64 "${NONWIN_CFLAGS}" "0"
buildall x86_64-pc-linux-gnu -m64 "${NONWIN_CFLAGS}" "1"
fi
if [ "${MYOS}" == "Darwin" ]; then
# OS X
buildall x86_64-apple-darwin -m32 "${NONWIN_CFLAGS}" "0"
buildall x86_64-apple-darwin -m64 "${NONWIN_CFLAGS}" "0"
fi
# Cross compile
buildall i686-w64-mingw32 -mconsole "${MINGW_CFLAGS}" "0"
buildall x86_64-w64-mingw32 -mconsole "${MINGW_CFLAGS}" "0"
cat >> Makefile.test <<EOF
clean: ${CLEAN}
.PHONY: linux windows apple
.PHONY: linux-build windows-build apple-build
.PHONY: linux-selftest windows-selftest apple-selftest
.PHONY: linux-regtest windows-regtest apple-regtest
linux: linux-build linux-selftest linux-regtest
windows: windows-build windows-selftest windows-regtest
apple: apple-build apple-selftest apple-regtest
linux-build: ${LINUXTGTS}
linux-selftest: ${LINUXTEST1}
linux-regtest: ${LINUXTEST2}
windows-build: ${WINTGTS}
windows-selftest: ${WINTEST1}
windows-regtest: ${WINTEST2}
apple-build: ${OSXTGTS}
apple-selftest: ${OSXTEST1}
apple-regtest: ${OSXTEST2}
EOF

561
extern/xdelta3/xdelta3-blkcache.h vendored Normal file
View File

@ -0,0 +1,561 @@
/* xdelta 3 - delta compression tools and library
* Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007,
* 2008, 2009, 2010
* Joshua P. MacDonald
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* TODO: This code is heavily revised from 3.0z but still needs major
* refactoring. */
#include "xdelta3-internal.h"
typedef struct _main_blklru main_blklru;
typedef struct _main_blklru_list main_blklru_list;
struct _main_blklru_list
{
main_blklru_list *next;
main_blklru_list *prev;
};
struct _main_blklru
{
uint8_t *blk;
xoff_t blkno;
usize_t size;
main_blklru_list link;
};
XD3_MAKELIST(main_blklru_list,main_blklru,link);
static usize_t lru_size = 0;
static main_blklru *lru = NULL; /* array of lru_size elts */
static main_blklru_list lru_list;
static int do_src_fifo = 0; /* set to avoid lru */
static int lru_hits = 0;
static int lru_misses = 0;
static int lru_filled = 0;
static void main_lru_reset (void)
{
lru_size = 0;
lru = NULL;
do_src_fifo = 0;
lru_hits = 0;
lru_misses = 0;
lru_filled = 0;
}
static void main_lru_cleanup (void)
{
if (lru != NULL)
{
main_buffree (lru[0].blk);
}
main_free (lru);
lru = NULL;
lru_hits = 0;
lru_misses = 0;
lru_filled = 0;
}
/* This is called at different times for encoding and decoding. The
* encoder calls it immediately, the decoder delays until the
* application header is received. */
static int
main_set_source (xd3_stream *stream, xd3_cmd cmd,
main_file *sfile, xd3_source *source)
{
int ret = 0;
usize_t i;
xoff_t source_size = 0;
usize_t blksize;
XD3_ASSERT (lru == NULL);
XD3_ASSERT (stream->src == NULL);
XD3_ASSERT (option_srcwinsz >= XD3_MINSRCWINSZ);
/* TODO: this code needs refactoring into FIFO, LRU, FAKE. Yuck!
* This is simplified from 3.0z which had issues with sizing the
* source buffer memory allocation and the source blocksize. */
/* LRU-specific */
main_blklru_list_init (& lru_list);
if (allow_fake_source)
{
/* TODO: refactor
* TOOLS/recode-specific: Check "allow_fake_source" mode looks
* broken now. */
sfile->mode = XO_READ;
sfile->realname = sfile->filename;
sfile->nread = 0;
}
else
{
/* Either a regular file (possibly compressed) or a FIFO
* (possibly compressed). */
if ((ret = main_file_open (sfile, sfile->filename, XO_READ)))
{
return ret;
}
/* If the file is regular we know it's size. If the file turns
* out to be externally compressed, size_known may change. */
sfile->size_known = (main_file_stat (sfile, &source_size) == 0);
}
/* Note: The API requires a power-of-two blocksize and srcwinsz
* (-B). The logic here will use a single block if the entire file
* is known to fit into srcwinsz. */
option_srcwinsz = xd3_pow2_roundup (option_srcwinsz);
/* Though called "lru", it is not LRU-specific. We always allocate
* a maximum number of source block buffers. If the entire file
* fits into srcwinsz, this buffer will stay as the only
* (lru_size==1) source block. Otherwise, we know that at least
* option_srcwinsz bytes are available. Split the source window
* into buffers. */
if ((lru = (main_blklru*) main_malloc (MAX_LRU_SIZE *
sizeof (main_blklru))) == NULL)
{
ret = ENOMEM;
return ret;
}
memset (lru, 0, sizeof(lru[0]) * MAX_LRU_SIZE);
/* Allocate the entire buffer. */
if ((lru[0].blk = (uint8_t*) main_bufalloc (option_srcwinsz)) == NULL)
{
ret = ENOMEM;
return ret;
}
/* Main calls main_getblk_func() once before xd3_set_source(). This
* is the point at which external decompression may begin. Set the
* system for a single block. */
lru_size = 1;
lru[0].blkno = (xoff_t) -1;
blksize = option_srcwinsz;
main_blklru_list_push_back (& lru_list, & lru[0]);
XD3_ASSERT (blksize != 0);
/* Initialize xd3_source. */
source->blksize = blksize;
source->name = sfile->filename;
source->ioh = sfile;
source->curblkno = (xoff_t) -1;
source->curblk = NULL;
source->max_winsize = option_srcwinsz;
if ((ret = main_getblk_func (stream, source, 0)) != 0)
{
XPR(NT "error reading source: %s: %s\n",
sfile->filename,
xd3_mainerror (ret));
return ret;
}
source->onblk = lru[0].size; /* xd3 sets onblk */
/* If the file is smaller than a block, size is known. */
if (!sfile->size_known && source->onblk < blksize)
{
source_size = source->onblk;
source->onlastblk = source_size;
sfile->size_known = 1;
}
/* If the size is not known or is greater than the buffer size, we
* split the buffer across MAX_LRU_SIZE blocks (already allocated in
* "lru"). */
if (!sfile->size_known || source_size > option_srcwinsz)
{
/* Modify block 0, change blocksize. */
blksize = option_srcwinsz / MAX_LRU_SIZE;
source->blksize = blksize;
source->onblk = blksize;
source->onlastblk = blksize;
source->max_blkno = MAX_LRU_SIZE - 1;
lru[0].size = blksize;
lru_size = MAX_LRU_SIZE;
/* Setup rest of blocks. */
for (i = 1; i < lru_size; i += 1)
{
lru[i].blk = lru[0].blk + (blksize * i);
lru[i].blkno = i;
lru[i].size = blksize;
main_blklru_list_push_back (& lru_list, & lru[i]);
}
}
if (! sfile->size_known)
{
/* If the size is not know, we must use FIFO discipline. */
do_src_fifo = 1;
}
/* Call the appropriate set_source method, handle errors, print
* verbose message, etc. */
if (sfile->size_known)
{
ret = xd3_set_source_and_size (stream, source, source_size);
}
else
{
ret = xd3_set_source (stream, source);
}
if (ret)
{
XPR(NT XD3_LIB_ERRMSG (stream, ret));
return ret;
}
XD3_ASSERT (stream->src == source);
XD3_ASSERT (source->blksize == blksize);
if (option_verbose)
{
static shortbuf srcszbuf;
static shortbuf srccntbuf;
static shortbuf winszbuf;
static shortbuf blkszbuf;
static shortbuf nbufs;
if (sfile->size_known)
{
short_sprintf (srcszbuf, "source size %s [%"Q"u]",
main_format_bcnt (source_size, &srccntbuf),
source_size);
}
else
{
short_sprintf (srcszbuf, "%s", "source size unknown");
}
nbufs.buf[0] = 0;
if (option_verbose > 1)
{
short_sprintf (nbufs, " #bufs %u", lru_size);
}
XPR(NT "source %s %s blksize %s window %s%s%s\n",
sfile->filename,
srcszbuf.buf,
main_format_bcnt (blksize, &blkszbuf),
main_format_bcnt (option_srcwinsz, &winszbuf),
nbufs.buf,
do_src_fifo ? " (FIFO)" : "");
}
return 0;
}
static int
main_getblk_lru (xd3_source *source, xoff_t blkno,
main_blklru** blrup, int *is_new)
{
main_blklru *blru = NULL;
usize_t i;
(*is_new) = 0;
if (do_src_fifo)
{
/* Direct lookup assumes sequential scan w/o skipping blocks. */
int idx = blkno % lru_size;
blru = & lru[idx];
if (blru->blkno == blkno)
{
(*blrup) = blru;
return 0;
}
/* No going backwards in a sequential scan. */
if (blru->blkno != (xoff_t) -1 && blru->blkno > blkno)
{
return XD3_TOOFARBACK;
}
}
else
{
/* Sequential search through LRU. */
for (i = 0; i < lru_size; i += 1)
{
blru = & lru[i];
if (blru->blkno == blkno)
{
main_blklru_list_remove (blru);
main_blklru_list_push_back (& lru_list, blru);
(*blrup) = blru;
IF_DEBUG1 (DP(RINT "[getblk_lru] HIT blkno = %"Z"u lru_size=%d\n",
blkno, lru_size));
return 0;
}
}
IF_DEBUG1 (DP(RINT "[getblk_lru] MISS blkno = %"Z"u lru_size=%d\n",
blkno, lru_size));
}
if (do_src_fifo)
{
int idx = blkno % lru_size;
blru = & lru[idx];
}
else
{
XD3_ASSERT (! main_blklru_list_empty (& lru_list));
blru = main_blklru_list_pop_front (& lru_list);
main_blklru_list_push_back (& lru_list, blru);
}
lru_filled += 1;
(*is_new) = 1;
(*blrup) = blru;
blru->blkno = -1;
return 0;
}
static int
main_read_seek_source (xd3_stream *stream,
xd3_source *source,
xoff_t blkno) {
xoff_t pos = blkno * source->blksize;
main_file *sfile = (main_file*) source->ioh;
main_blklru *blru;
int is_new;
size_t nread = 0;
int ret = 0;
if (!sfile->seek_failed)
{
ret = main_file_seek (sfile, pos);
if (ret == 0)
{
sfile->source_position = pos;
}
}
if (sfile->seek_failed || ret != 0)
{
/* For an unseekable file (or other seek error, does it
* matter?) */
if (sfile->source_position > pos)
{
/* Could assert !IS_ENCODE(), this shouldn't happen
* because of do_src_fifo during encode. */
if (!option_quiet)
{
XPR(NT "source can't seek backwards; requested block offset "
"%"Q"u source position is %"Q"u\n",
pos, sfile->source_position);
}
sfile->seek_failed = 1;
stream->msg = "non-seekable source: "
"copy is too far back (try raising -B)";
return XD3_TOOFARBACK;
}
/* There's a chance here, that an genuine lseek error will cause
* xdelta3 to shift into non-seekable mode, entering a degraded
* condition. */
if (!sfile->seek_failed && option_verbose)
{
XPR(NT "source can't seek, will use FIFO for %s\n",
sfile->filename);
if (option_verbose > 1)
{
XPR(NT "seek error at offset %"Q"u: %s\n",
pos, xd3_mainerror (ret));
}
}
sfile->seek_failed = 1;
if (option_verbose > 1 && pos != sfile->source_position)
{
XPR(NT "non-seekable source skipping %"Q"u bytes @ %"Q"u\n",
pos - sfile->source_position,
sfile->source_position);
}
while (sfile->source_position < pos)
{
xoff_t skip_blkno;
usize_t skip_offset;
xd3_blksize_div (sfile->source_position, source,
&skip_blkno, &skip_offset);
/* Read past unused data */
XD3_ASSERT (pos - sfile->source_position >= source->blksize);
XD3_ASSERT (skip_offset == 0);
if ((ret = main_getblk_lru (source, skip_blkno,
& blru, & is_new)))
{
return ret;
}
XD3_ASSERT (is_new);
blru->blkno = skip_blkno;
if ((ret = main_read_primary_input (sfile,
(uint8_t*) blru->blk,
source->blksize,
& nread)))
{
return ret;
}
if (nread != source->blksize)
{
IF_DEBUG1 (DP(RINT "[getblk] short skip block nread = %"Z"u\n",
nread));
stream->msg = "non-seekable input is short";
return XD3_INVALID_INPUT;
}
sfile->source_position += nread;
blru->size = nread;
IF_DEBUG1 (DP(RINT "[getblk] skip blkno %"Q"u size %u\n",
skip_blkno, blru->size));
XD3_ASSERT (sfile->source_position <= pos);
}
}
return 0;
}
/* This is the callback for reading a block of source. This function
* is blocking and it implements a small LRU.
*
* Note that it is possible for main_input() to handle getblk requests
* in a non-blocking manner. If the callback is NULL then the caller
* of xd3_*_input() must handle the XD3_GETSRCBLK return value and
* fill the source in the same way. See xd3_getblk for details. To
* see an example of non-blocking getblk, see xdelta-test.h. */
static int
main_getblk_func (xd3_stream *stream,
xd3_source *source,
xoff_t blkno)
{
int ret = 0;
xoff_t pos = blkno * source->blksize;
main_file *sfile = (main_file*) source->ioh;
main_blklru *blru;
int is_new;
size_t nread = 0;
if (allow_fake_source)
{
source->curblkno = blkno;
source->onblk = 0;
source->curblk = lru[0].blk;
lru[0].size = 0;
return 0;
}
if ((ret = main_getblk_lru (source, blkno, & blru, & is_new)))
{
return ret;
}
if (!is_new)
{
source->curblkno = blkno;
source->onblk = blru->size;
source->curblk = blru->blk;
lru_hits++;
return 0;
}
lru_misses += 1;
if (pos != sfile->source_position)
{
/* Only try to seek when the position is wrong. This means the
* decoder will fail when the source buffer is too small, but
* only when the input is non-seekable. */
if ((ret = main_read_seek_source (stream, source, blkno)))
{
return ret;
}
}
XD3_ASSERT (sfile->source_position == pos);
if ((ret = main_read_primary_input (sfile,
(uint8_t*) blru->blk,
source->blksize,
& nread)))
{
return ret;
}
/* Save the last block read, used to handle non-seekable files. */
sfile->source_position = pos + nread;
if (option_verbose > 3)
{
if (blru->blkno != (xoff_t)-1)
{
if (blru->blkno != blkno)
{
XPR(NT "source block %"Q"u read %"Z"u ejects %"Q"u (lru_hits=%u, "
"lru_misses=%u, lru_filled=%u)\n",
blkno, nread, blru->blkno, lru_hits, lru_misses, lru_filled);
}
else
{
XPR(NT "source block %"Q"u read %"Z"u (lru_hits=%u, "
"lru_misses=%u, lru_filled=%u)\n",
blkno, nread, lru_hits, lru_misses, lru_filled);
}
}
else
{
XPR(NT "source block %"Q"u read %"Z"u (lru_hits=%u, lru_misses=%u, "
"lru_filled=%u)\n", blkno, nread,
lru_hits, lru_misses, lru_filled);
}
}
source->curblk = blru->blk;
source->curblkno = blkno;
source->onblk = nread;
blru->size = nread;
blru->blkno = blkno;
IF_DEBUG1 (DP(RINT "[main_getblk] blkno %"Q"u onblk %"Z"u pos %"Q"u "
"srcpos %"Q"u\n",
blkno, nread, pos, sfile->source_position));
return 0;
}

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/* xdelta 3 - delta compression tools and library
* Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007. Joshua P. MacDonald
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/******************************************************************
SOFT string matcher
******************************************************************/
#if XD3_BUILD_SOFT
#define TEMPLATE soft
#define LLOOK stream->smatcher.large_look
#define LSTEP stream->smatcher.large_step
#define SLOOK stream->smatcher.small_look
#define SCHAIN stream->smatcher.small_chain
#define SLCHAIN stream->smatcher.small_lchain
#define MAXLAZY stream->smatcher.max_lazy
#define LONGENOUGH stream->smatcher.long_enough
#define SOFTCFG 1
#include "xdelta3.c"
#undef SOFTCFG
#undef TEMPLATE
#undef LLOOK
#undef SLOOK
#undef LSTEP
#undef SCHAIN
#undef SLCHAIN
#undef MAXLAZY
#undef LONGENOUGH
#endif
#define SOFTCFG 0
/************************************************************
FASTEST string matcher
**********************************************************/
#if XD3_BUILD_FASTEST
#define TEMPLATE fastest
#define LLOOK 9
#define LSTEP 26
#define SLOOK 4U
#define SCHAIN 1
#define SLCHAIN 1
#define MAXLAZY 6
#define LONGENOUGH 6
#include "xdelta3.c"
#undef TEMPLATE
#undef LLOOK
#undef SLOOK
#undef LSTEP
#undef SCHAIN
#undef SLCHAIN
#undef MAXLAZY
#undef LONGENOUGH
#endif
/************************************************************
FASTER string matcher
**********************************************************/
#if XD3_BUILD_FASTER
#define TEMPLATE faster
#define LLOOK 9
#define LSTEP 15
#define SLOOK 4U
#define SCHAIN 1
#define SLCHAIN 1
#define MAXLAZY 18
#define LONGENOUGH 18
#include "xdelta3.c"
#undef TEMPLATE
#undef LLOOK
#undef SLOOK
#undef LSTEP
#undef SCHAIN
#undef SLCHAIN
#undef MAXLAZY
#undef LONGENOUGH
#endif
/******************************************************
FAST string matcher
********************************************************/
#if XD3_BUILD_FAST
#define TEMPLATE fast
#define LLOOK 9
#define LSTEP 8
#define SLOOK 4U
#define SCHAIN 4
#define SLCHAIN 1
#define MAXLAZY 18
#define LONGENOUGH 35
#include "xdelta3.c"
#undef TEMPLATE
#undef LLOOK
#undef SLOOK
#undef LSTEP
#undef SCHAIN
#undef SLCHAIN
#undef MAXLAZY
#undef LONGENOUGH
#endif
/**************************************************
SLOW string matcher
**************************************************************/
#if XD3_BUILD_SLOW
#define TEMPLATE slow
#define LLOOK 9
#define LSTEP 2
#define SLOOK 4U
#define SCHAIN 44
#define SLCHAIN 13
#define MAXLAZY 90
#define LONGENOUGH 70
#include "xdelta3.c"
#undef TEMPLATE
#undef LLOOK
#undef SLOOK
#undef LSTEP
#undef SCHAIN
#undef SLCHAIN
#undef MAXLAZY
#undef LONGENOUGH
#endif
/********************************************************
DEFAULT string matcher
************************************************************/
#if XD3_BUILD_DEFAULT
#define TEMPLATE default
#define LLOOK 9
#define LSTEP 3
#define SLOOK 4U
#define SCHAIN 8
#define SLCHAIN 2
#define MAXLAZY 36
#define LONGENOUGH 70
#include "xdelta3.c"
#undef TEMPLATE
#undef LLOOK
#undef SLOOK
#undef LSTEP
#undef SCHAIN
#undef SLCHAIN
#undef MAXLAZY
#undef LONGENOUGH
#endif

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/* xdelta 3 - delta compression tools and library
* Copyright (C) 2002, 2006, 2007. Joshua P. MacDonald
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* For demonstration purposes only.
*/
#ifndef _XDELTA3_FGK_h_
#define _XDELTA3_FGK_h_
/* An implementation of the FGK algorithm described by D.E. Knuth in
* "Dynamic Huffman Coding" in Journal of Algorithms 6. */
/* A 32bit counter (fgk_weight) is used as the frequency counter for
* nodes in the huffman tree. TODO: Need oto test for overflow and/or
* reset stats. */
typedef struct _fgk_stream fgk_stream;
typedef struct _fgk_node fgk_node;
typedef struct _fgk_block fgk_block;
typedef unsigned int fgk_bit;
typedef uint32_t fgk_weight;
struct _fgk_block {
union {
fgk_node *un_leader;
fgk_block *un_freeptr;
} un;
};
#define block_leader un.un_leader
#define block_freeptr un.un_freeptr
/* The code can also support fixed huffman encoding/decoding. */
#define IS_ADAPTIVE 1
/* weight is a count of the number of times this element has been seen
* in the current encoding/decoding. parent, right_child, and
* left_child are pointers defining the tree structure. right and
* left point to neighbors in an ordered sequence of weights. The
* left child of a node is always guaranteed to have weight not
* greater than its sibling. fgk_blockLeader points to the element
* with the same weight as itself which is closest to the next
* increasing weight block. */
struct _fgk_node
{
fgk_weight weight;
fgk_node *parent;
fgk_node *left_child;
fgk_node *right_child;
fgk_node *left;
fgk_node *right;
fgk_block *my_block;
};
/* alphabet_size is the a count of the number of possible leaves in
* the huffman tree. The number of total nodes counting internal
* nodes is ((2 * alphabet_size) - 1). zero_freq_count is the number
* of elements remaining which have zero frequency. zero_freq_exp and
* zero_freq_rem satisfy the equation zero_freq_count =
* 2^zero_freq_exp + zero_freq_rem. root_node is the root of the
* tree, which is initialized to a node with zero frequency and
* contains the 0th such element. free_node contains a pointer to the
* next available fgk_node space. alphabet contains all the elements
* and is indexed by N. remaining_zeros points to the head of the
* list of zeros. */
struct _fgk_stream
{
usize_t alphabet_size;
usize_t zero_freq_count;
usize_t zero_freq_exp;
usize_t zero_freq_rem;
usize_t coded_depth;
usize_t total_nodes;
usize_t total_blocks;
fgk_bit *coded_bits;
fgk_block *block_array;
fgk_block *free_block;
fgk_node *decode_ptr;
fgk_node *remaining_zeros;
fgk_node *alphabet;
fgk_node *root_node;
fgk_node *free_node;
};
/*********************************************************************/
/* Encoder */
/*********************************************************************/
static fgk_stream* fgk_alloc (xd3_stream *stream /*, usize_t alphabet_size */);
static int fgk_init (xd3_stream *stream,
fgk_stream *h,
int is_encode);
static int fgk_encode_data (fgk_stream *h,
usize_t n);
static inline fgk_bit fgk_get_encoded_bit (fgk_stream *h);
static int xd3_encode_fgk (xd3_stream *stream,
fgk_stream *sec_stream,
xd3_output *input,
xd3_output *output,
xd3_sec_cfg *cfg);
/*********************************************************************/
/* Decoder */
/*********************************************************************/
static inline int fgk_decode_bit (fgk_stream *h,
fgk_bit b);
static int fgk_decode_data (fgk_stream *h);
static void fgk_destroy (xd3_stream *stream,
fgk_stream *h);
static int xd3_decode_fgk (xd3_stream *stream,
fgk_stream *sec_stream,
const uint8_t **input,
const uint8_t *const input_end,
uint8_t **output,
const uint8_t *const output_end);
/*********************************************************************/
/* Private */
/*********************************************************************/
static unsigned int fgk_find_nth_zero (fgk_stream *h, usize_t n);
static usize_t fgk_nth_zero (fgk_stream *h, usize_t n);
static void fgk_update_tree (fgk_stream *h, usize_t n);
static fgk_node* fgk_increase_zero_weight (fgk_stream *h, usize_t n);
static void fgk_eliminate_zero (fgk_stream* h, fgk_node *node);
static void fgk_move_right (fgk_stream *h, fgk_node *node);
static void fgk_promote (fgk_stream *h, fgk_node *node);
static void fgk_init_node (fgk_node *node, usize_t i, usize_t size);
static fgk_block* fgk_make_block (fgk_stream *h, fgk_node *l);
static void fgk_free_block (fgk_stream *h, fgk_block *b);
static void fgk_factor_remaining (fgk_stream *h);
static inline void fgk_swap_ptrs (fgk_node **one, fgk_node **two);
/*********************************************************************/
/* Basic Routines */
/*********************************************************************/
/* returns an initialized huffman encoder for an alphabet with the
* given size. returns NULL if enough memory cannot be allocated */
static fgk_stream* fgk_alloc (xd3_stream *stream /*, int alphabet_size0 */)
{
usize_t alphabet_size0 = ALPHABET_SIZE;
fgk_stream *h;
if ((h = (fgk_stream*) xd3_alloc (stream, 1, sizeof (fgk_stream))) == NULL)
{
return NULL;
}
h->total_nodes = (2 * alphabet_size0) - 1;
h->total_blocks = (2 * h->total_nodes);
h->alphabet = (fgk_node*) xd3_alloc (stream, h->total_nodes, sizeof (fgk_node));
h->block_array = (fgk_block*) xd3_alloc (stream, h->total_blocks, sizeof (fgk_block));
h->coded_bits = (fgk_bit*) xd3_alloc (stream, alphabet_size0, sizeof (fgk_bit));
if (h->coded_bits == NULL ||
h->alphabet == NULL ||
h->block_array == NULL)
{
fgk_destroy (stream, h);
return NULL;
}
h->alphabet_size = alphabet_size0;
return h;
}
static int fgk_init (xd3_stream *stream, fgk_stream *h, int is_encode)
{
usize_t ui;
ssize_t si;
h->root_node = h->alphabet;
h->decode_ptr = h->root_node;
h->free_node = h->alphabet + h->alphabet_size;
h->remaining_zeros = h->alphabet;
h->coded_depth = 0;
h->zero_freq_count = h->alphabet_size + 2;
/* after two calls to factor_remaining, zero_freq_count == alphabet_size */
fgk_factor_remaining(h); /* set ZFE and ZFR */
fgk_factor_remaining(h); /* set ZFDB according to prev state */
IF_DEBUG (memset (h->alphabet, 0, sizeof (h->alphabet[0]) * h->total_nodes));
for (ui = 0; ui < h->total_blocks-1; ui += 1)
{
h->block_array[ui].block_freeptr = &h->block_array[ui + 1];
}
h->block_array[h->total_blocks - 1].block_freeptr = NULL;
h->free_block = h->block_array;
/* Zero frequency nodes are inserted in the first alphabet_size
* positions, with Value, weight, and a pointer to the next zero
* frequency node. */
for (si = h->alphabet_size - 1; si >= 0; si -= 1)
{
fgk_init_node (h->alphabet + si, (usize_t) si, h->alphabet_size);
}
return 0;
}
static void fgk_swap_ptrs(fgk_node **one, fgk_node **two)
{
fgk_node *tmp = *one;
*one = *two;
*two = tmp;
}
/* Takes huffman transmitter h and n, the nth elt in the alphabet, and
* returns the number of required to encode n. */
static int fgk_encode_data (fgk_stream* h, usize_t n)
{
fgk_node *target_ptr = h->alphabet + n;
XD3_ASSERT (n < h->alphabet_size);
h->coded_depth = 0;
/* First encode the binary representation of the nth remaining
* zero frequency element in reverse such that bit, which will be
* encoded from h->coded_depth down to 0 will arrive in increasing
* order following the tree path. If there is only one left, it
* is not neccesary to encode these bits. */
if (IS_ADAPTIVE && target_ptr->weight == 0)
{
unsigned int where, shift;
int bits;
where = fgk_find_nth_zero(h, n);
shift = 1;
if (h->zero_freq_rem == 0)
{
bits = h->zero_freq_exp;
}
else
{
bits = h->zero_freq_exp + 1;
}
while (bits > 0)
{
h->coded_bits[h->coded_depth++] = (shift & where) && 1;
bits -= 1;
shift <<= 1;
};
target_ptr = h->remaining_zeros;
}
/* The path from root to node is filled into coded_bits in reverse so
* that it is encoded in the right order */
while (target_ptr != h->root_node)
{
h->coded_bits[h->coded_depth++] = (target_ptr->parent->right_child == target_ptr);
target_ptr = target_ptr->parent;
}
if (IS_ADAPTIVE)
{
fgk_update_tree(h, n);
}
return h->coded_depth;
}
/* Should be called as many times as fgk_encode_data returns.
*/
static inline fgk_bit fgk_get_encoded_bit (fgk_stream *h)
{
XD3_ASSERT (h->coded_depth > 0);
return h->coded_bits[--h->coded_depth];
}
/* This procedure updates the tree after alphabet[n] has been encoded
* or decoded.
*/
static void fgk_update_tree (fgk_stream *h, usize_t n)
{
fgk_node *incr_node;
if (h->alphabet[n].weight == 0)
{
incr_node = fgk_increase_zero_weight (h, n);
}
else
{
incr_node = h->alphabet + n;
}
while (incr_node != h->root_node)
{
fgk_move_right (h, incr_node);
fgk_promote (h, incr_node);
incr_node->weight += 1; /* incr the parent */
incr_node = incr_node->parent; /* repeat */
}
h->root_node->weight += 1;
}
static void fgk_move_right (fgk_stream *h, fgk_node *move_fwd)
{
fgk_node **fwd_par_ptr, **back_par_ptr;
fgk_node *move_back, *tmp;
move_back = move_fwd->my_block->block_leader;
if (move_fwd == move_back ||
move_fwd->parent == move_back ||
move_fwd->weight == 0)
{
return;
}
move_back->right->left = move_fwd;
if (move_fwd->left)
{
move_fwd->left->right = move_back;
}
tmp = move_fwd->right;
move_fwd->right = move_back->right;
if (tmp == move_back)
{
move_back->right = move_fwd;
}
else
{
tmp->left = move_back;
move_back->right = tmp;
}
tmp = move_back->left;
move_back->left = move_fwd->left;
if (tmp == move_fwd)
{
move_fwd->left = move_back;
}
else
{
tmp->right = move_fwd;
move_fwd->left = tmp;
}
if (move_fwd->parent->right_child == move_fwd)
{
fwd_par_ptr = &move_fwd->parent->right_child;
}
else
{
fwd_par_ptr = &move_fwd->parent->left_child;
}
if (move_back->parent->right_child == move_back)
{
back_par_ptr = &move_back->parent->right_child;
}
else
{
back_par_ptr = &move_back->parent->left_child;
}
fgk_swap_ptrs (&move_fwd->parent, &move_back->parent);
fgk_swap_ptrs (fwd_par_ptr, back_par_ptr);
move_fwd->my_block->block_leader = move_fwd;
}
/* Shifts node, the leader of its block, into the next block. */
static void fgk_promote (fgk_stream *h, fgk_node *node)
{
fgk_node *my_left, *my_right;
fgk_block *cur_block;
my_right = node->right;
my_left = node->left;
cur_block = node->my_block;
if (node->weight == 0)
{
return;
}
/* if left is right child, parent of remaining zeros case (?), means parent
* has same weight as right child. */
if (my_left == node->right_child &&
node->left_child &&
node->left_child->weight == 0)
{
XD3_ASSERT (node->left_child == h->remaining_zeros);
XD3_ASSERT (node->right_child->weight == (node->weight+1)); /* child weight was already incremented */
if (node->weight == (my_right->weight - 1) && my_right != h->root_node)
{
fgk_free_block (h, cur_block);
node->my_block = my_right->my_block;
my_left->my_block = my_right->my_block;
}
return;
}
if (my_left == h->remaining_zeros)
{
return;
}
/* true if not the leftmost node */
if (my_left->my_block == cur_block)
{
my_left->my_block->block_leader = my_left;
}
else
{
fgk_free_block (h, cur_block);
}
/* node->parent != my_right */
if ((node->weight == (my_right->weight - 1)) && (my_right != h->root_node))
{
node->my_block = my_right->my_block;
}
else
{
node->my_block = fgk_make_block (h, node);
}
}
/* When an element is seen the first time this is called to remove it from the list of
* zero weight elements and introduce a new internal node to the tree. */
static fgk_node* fgk_increase_zero_weight (fgk_stream *h, usize_t n)
{
fgk_node *this_zero, *new_internal, *zero_ptr;
this_zero = h->alphabet + n;
if (h->zero_freq_count == 1)
{
/* this is the last one */
this_zero->right_child = NULL;
if (this_zero->right->weight == 1)
{
this_zero->my_block = this_zero->right->my_block;
}
else
{
this_zero->my_block = fgk_make_block (h, this_zero);
}
h->remaining_zeros = NULL;
return this_zero;
}
zero_ptr = h->remaining_zeros;
new_internal = h->free_node++;
new_internal->parent = zero_ptr->parent;
new_internal->right = zero_ptr->right;
new_internal->weight = 0;
new_internal->right_child = this_zero;
new_internal->left = this_zero;
if (h->remaining_zeros == h->root_node)
{
/* This is the first element to be coded */
h->root_node = new_internal;
this_zero->my_block = fgk_make_block (h, this_zero);
new_internal->my_block = fgk_make_block (h, new_internal);
}
else
{
new_internal->right->left = new_internal;
if (zero_ptr->parent->right_child == zero_ptr)
{
zero_ptr->parent->right_child = new_internal;
}
else
{
zero_ptr->parent->left_child = new_internal;
}
if (new_internal->right->weight == 1)
{
new_internal->my_block = new_internal->right->my_block;
}
else
{
new_internal->my_block = fgk_make_block (h, new_internal);
}
this_zero->my_block = new_internal->my_block;
}
fgk_eliminate_zero (h, this_zero);
new_internal->left_child = h->remaining_zeros;
this_zero->right = new_internal;
this_zero->left = h->remaining_zeros;
this_zero->parent = new_internal;
this_zero->left_child = NULL;
this_zero->right_child = NULL;
h->remaining_zeros->parent = new_internal;
h->remaining_zeros->right = this_zero;
return this_zero;
}
/* When a zero frequency element is encoded, it is followed by the
* binary representation of the index into the remaining elements.
* Sets a cache to the element before it so that it can be removed
* without calling this procedure again. */
static unsigned int fgk_find_nth_zero (fgk_stream* h, usize_t n)
{
fgk_node *target_ptr = h->alphabet + n;
fgk_node *head_ptr = h->remaining_zeros;
unsigned int idx = 0;
while (target_ptr != head_ptr)
{
head_ptr = head_ptr->right_child;
idx += 1;
}
return idx;
}
/* Splices node out of the list of zeros. */
static void fgk_eliminate_zero (fgk_stream* h, fgk_node *node)
{
if (h->zero_freq_count == 1)
{
return;
}
fgk_factor_remaining(h);
if (node->left_child == NULL)
{
h->remaining_zeros = h->remaining_zeros->right_child;
h->remaining_zeros->left_child = NULL;
}
else if (node->right_child == NULL)
{
node->left_child->right_child = NULL;
}
else
{
node->right_child->left_child = node->left_child;
node->left_child->right_child = node->right_child;
}
}
static void fgk_init_node (fgk_node *node, usize_t i, usize_t size)
{
if (i < size - 1)
{
node->right_child = node + 1;
}
else
{
node->right_child = NULL;
}
if (i >= 1)
{
node->left_child = node - 1;
}
else
{
node->left_child = NULL;
}
node->weight = 0;
node->parent = NULL;
node->right = NULL;
node->left = NULL;
node->my_block = NULL;
}
/* The data structure used is an array of blocks, which are unions of
* free pointers and huffnode pointers. free blocks are a linked list
* of free blocks, the front of which is h->free_block. The used
* blocks are pointers to the head of each block. */
static fgk_block* fgk_make_block (fgk_stream *h, fgk_node* lead)
{
fgk_block *ret = h->free_block;
XD3_ASSERT (h->free_block != NULL);
h->free_block = h->free_block->block_freeptr;
ret->block_leader = lead;
return ret;
}
/* Restores the block to the front of the free list. */
static void fgk_free_block (fgk_stream *h, fgk_block *b)
{
b->block_freeptr = h->free_block;
h->free_block = b;
}
/* sets zero_freq_count, zero_freq_rem, and zero_freq_exp to satsity
* the equation given above. */
static void fgk_factor_remaining (fgk_stream *h)
{
unsigned int i;
i = (--h->zero_freq_count);
h->zero_freq_exp = 0;
while (i > 1)
{
h->zero_freq_exp += 1;
i >>= 1;
}
i = 1 << h->zero_freq_exp;
h->zero_freq_rem = h->zero_freq_count - i;
}
/* receives a bit at a time and returns true when a complete code has
* been received.
*/
static inline int fgk_decode_bit (fgk_stream* h, fgk_bit b)
{
XD3_ASSERT (b == 1 || b == 0);
if (IS_ADAPTIVE && h->decode_ptr->weight == 0)
{
usize_t bitsreq;
if (h->zero_freq_rem == 0)
{
bitsreq = h->zero_freq_exp;
}
else
{
bitsreq = h->zero_freq_exp + 1;
}
h->coded_bits[h->coded_depth] = b;
h->coded_depth += 1;
return h->coded_depth >= bitsreq;
}
else
{
if (b)
{
h->decode_ptr = h->decode_ptr->right_child;
}
else
{
h->decode_ptr = h->decode_ptr->left_child;
}
if (h->decode_ptr->left_child == NULL)
{
/* If the weight is non-zero, finished. */
if (h->decode_ptr->weight != 0)
{
return 1;
}
/* zero_freq_count is dropping to 0, finished. */
return h->zero_freq_count == 1;
}
else
{
return 0;
}
}
}
static usize_t fgk_nth_zero (fgk_stream* h, usize_t n)
{
fgk_node *ret = h->remaining_zeros;
/* ERROR: if during this loop (ret->right_child == NULL) then the
* encoder's zero count is too high. Could return an error code
* now, but is probably unnecessary overhead, since the caller
* should check integrity anyway. */
for (; n != 0 && ret->right_child != NULL; n -= 1)
{
ret = ret->right_child;
}
return (usize_t)(ret - h->alphabet);
}
/* once fgk_decode_bit returns 1, this retrieves an index into the
* alphabet otherwise this returns 0, indicating more bits are
* required.
*/
static int fgk_decode_data (fgk_stream* h)
{
usize_t elt = (usize_t)(h->decode_ptr - h->alphabet);
if (IS_ADAPTIVE && h->decode_ptr->weight == 0) {
usize_t i = 0;
usize_t n = 0;
if (h->coded_depth > 0)
{
for (; i < h->coded_depth - 1; i += 1)
{
n |= h->coded_bits[i];
n <<= 1;
}
}
n |= h->coded_bits[i];
elt = fgk_nth_zero(h, n);
}
h->coded_depth = 0;
if (IS_ADAPTIVE)
{
fgk_update_tree(h, elt);
}
h->decode_ptr = h->root_node;
return elt;
}
static void fgk_destroy (xd3_stream *stream,
fgk_stream *h)
{
if (h != NULL)
{
xd3_free (stream, h->alphabet);
xd3_free (stream, h->coded_bits);
xd3_free (stream, h->block_array);
xd3_free (stream, h);
}
}
/*********************************************************************/
/* Xdelta */
/*********************************************************************/
static int
xd3_encode_fgk (xd3_stream *stream, fgk_stream *sec_stream, xd3_output *input, xd3_output *output, xd3_sec_cfg *cfg)
{
bit_state bstate = BIT_STATE_ENCODE_INIT;
xd3_output *cur_page;
int ret;
/* OPT: quit compression early if it looks bad */
for (cur_page = input; cur_page; cur_page = cur_page->next_page)
{
const uint8_t *inp = cur_page->base;
const uint8_t *inp_max = inp + cur_page->next;
while (inp < inp_max)
{
usize_t bits = fgk_encode_data (sec_stream, *inp++);
while (bits--)
{
if ((ret = xd3_encode_bit (stream, & output, & bstate, fgk_get_encoded_bit (sec_stream)))) { return ret; }
}
}
}
return xd3_flush_bits (stream, & output, & bstate);
}
static int
xd3_decode_fgk (xd3_stream *stream,
fgk_stream *sec_stream,
const uint8_t **input_pos,
const uint8_t *const input_max,
uint8_t **output_pos,
const uint8_t *const output_max)
{
bit_state bstate;
uint8_t *output = *output_pos;
const uint8_t *input = *input_pos;
for (;;)
{
if (input == input_max)
{
stream->msg = "secondary decoder end of input";
return XD3_INTERNAL;
}
bstate.cur_byte = *input++;
for (bstate.cur_mask = 1; bstate.cur_mask != 0x100; bstate.cur_mask <<= 1)
{
int done = fgk_decode_bit (sec_stream, (bstate.cur_byte & bstate.cur_mask) ? 1U : 0U);
if (! done) { continue; }
*output++ = fgk_decode_data (sec_stream);
if (output == output_max)
{
/* During regression testing: */
IF_REGRESSION ({
int ret;
bstate.cur_mask <<= 1;
if ((ret = xd3_test_clean_bits (stream, & bstate))) { return ret; }
});
(*output_pos) = output;
(*input_pos) = input;
return 0;
}
}
}
}
#endif /* _XDELTA3_FGK_ */

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/* xdelta 3 - delta compression tools and library
* Copyright (C) 2001, 2003, 2004, 2005, 2006, 2007. Joshua P. MacDonald
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _XDELTA3_HASH_H_
#define _XDELTA3_HASH_H_
#if XD3_DEBUG
#define SMALL_HASH_DEBUG1(s,inp) \
uint32_t debug_state; \
uint32_t debug_hval = xd3_checksum_hash (& (s)->small_hash, \
xd3_scksum (&debug_state, (inp), (s)->smatcher.small_look))
#define SMALL_HASH_DEBUG2(s,inp) \
XD3_ASSERT (debug_hval == xd3_checksum_hash (& (s)->small_hash, \
xd3_scksum (&debug_state, (inp), (s)->smatcher.small_look)))
#else
#define SMALL_HASH_DEBUG1(s,inp)
#define SMALL_HASH_DEBUG2(s,inp)
#endif /* XD3_DEBUG */
/* This is a good hash multiplier for 32-bit LCGs: see "linear
* congruential generators of different sizes and good lattice
* structure" */
static const uint32_t hash_multiplier = 1597334677U;
/***********************************************************************
Permute stuff
***********************************************************************/
#if HASH_PERMUTE == 0
#define PERMUTE(x) (x)
#else
#define PERMUTE(x) (__single_hash[(uint32_t)x])
extern const uint16_t __single_hash[256];
#endif
/* Update the checksum state. */
#if ADLER_LARGE_CKSUM
inline uint32_t
xd3_large_cksum_update (uint32_t cksum,
const uint8_t *base,
usize_t look) {
uint32_t old_c = PERMUTE(base[0]);
uint32_t new_c = PERMUTE(base[look]);
uint32_t low = ((cksum & 0xffff) - old_c + new_c) & 0xffff;
uint32_t high = ((cksum >> 16) - (old_c * look) + low) & 0xffff;
return (high << 16) | low;
}
#else
/* TODO: revisit this topic */
#endif
#if UNALIGNED_OK
#define UNALIGNED_READ32(dest,src) (*(dest)) = (*(uint32_t*)(src))
#else
#define UNALIGNED_READ32(dest,src) memcpy((dest), (src), 4);
#endif
/* TODO: small cksum is hard-coded for 4 bytes (i.e., "look" is unused) */
static inline uint32_t
xd3_scksum (uint32_t *state,
const uint8_t *base,
const usize_t look)
{
UNALIGNED_READ32(state, base);
return (*state) * hash_multiplier;
}
static inline uint32_t
xd3_small_cksum_update (uint32_t *state,
const uint8_t *base,
usize_t look)
{
UNALIGNED_READ32(state, base+1);
return (*state) * hash_multiplier;
}
/***********************************************************************
Ctable stuff
***********************************************************************/
static inline usize_t
xd3_checksum_hash (const xd3_hash_cfg *cfg, const usize_t cksum)
{
return (cksum >> cfg->shift) ^ (cksum & cfg->mask);
}
/***********************************************************************
Cksum function
***********************************************************************/
#if ADLER_LARGE_CKSUM
static inline uint32_t
xd3_lcksum (const uint8_t *seg, const usize_t ln)
{
usize_t i = 0;
uint32_t low = 0;
uint32_t high = 0;
for (; i < ln; i += 1)
{
low += PERMUTE(*seg++);
high += low;
}
return ((high & 0xffff) << 16) | (low & 0xffff);
}
#else
static inline uint32_t
xd3_lcksum (const uint8_t *seg, const usize_t ln)
{
usize_t i, j;
uint32_t h = 0;
for (i = 0, j = ln - 1; i < ln; ++i, --j) {
h += PERMUTE(seg[i]) * hash_multiplier_powers[j];
}
return h;
}
#endif
#if XD3_ENCODER
static usize_t
xd3_size_log2 (usize_t slots)
{
int bits = 28; /* This should not be an unreasonable limit. */
int i;
for (i = 3; i <= bits; i += 1)
{
if (slots < (1U << i))
{
/* TODO: this is compaction=1 in checksum_test.cc and maybe should
* not be fixed at -1. */
bits = i - 1;
break;
}
}
return bits;
}
static void
xd3_size_hashtable (xd3_stream *stream,
usize_t slots,
xd3_hash_cfg *cfg)
{
int bits = xd3_size_log2 (slots);
/* TODO: there's a 32-bit assumption here */
cfg->size = (1 << bits);
cfg->mask = (cfg->size - 1);
cfg->shift = 32 - bits;
}
#endif
#endif

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/* xdelta3 - delta compression tools and library
* Copyright (C) 2011, 2012, 2013, 2014, 2015 Joshua P. MacDonald
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef XDELTA3_INTERNAL_H__
#define XDELTA3_INTERNAL_H__
#include "xdelta3.h"
typedef struct _main_file main_file;
typedef struct _main_extcomp main_extcomp;
void main_buffree (void *ptr);
void* main_bufalloc (size_t size);
void main_file_init (main_file *xfile);
int main_file_close (main_file *xfile);
void main_file_cleanup (main_file *xfile);
int main_file_isopen (main_file *xfile);
int main_file_open (main_file *xfile, const char* name, int mode);
int main_file_exists (main_file *xfile);
int xd3_whole_append_window (xd3_stream *stream);
int xd3_main_cmdline (int argc, char **argv);
int main_file_read (main_file *ifile,
uint8_t *buf,
size_t size,
size_t *nread,
const char *msg);
int main_file_write (main_file *ofile, uint8_t *buf,
usize_t size, const char *msg);
int test_compare_files (const char* f0, const char* f1);
usize_t xd3_bytes_on_srcblk (xd3_source *src, xoff_t blkno);
xoff_t xd3_source_eof(const xd3_source *src);
uint32_t xd3_large_cksum_update (uint32_t cksum,
const uint8_t *base,
usize_t look);
int xd3_emit_byte (xd3_stream *stream,
xd3_output **outputp,
uint8_t code);
int xd3_emit_bytes (xd3_stream *stream,
xd3_output **outputp,
const uint8_t *base,
usize_t size);
xd3_output* xd3_alloc_output (xd3_stream *stream,
xd3_output *old_output);
int xd3_encode_init_full (xd3_stream *stream);
size_t xd3_pow2_roundup (size_t x);
int xd3_process_stream (int is_encode,
xd3_stream *stream,
int (*func) (xd3_stream *),
int close_stream,
const uint8_t *input,
usize_t input_size,
uint8_t *output,
usize_t *output_size,
usize_t output_size_max);
#if PYTHON_MODULE || SWIG_MODULE || NOT_MAIN
int xd3_main_cmdline (int argc, char **argv);
#endif
/* main_file->mode values */
typedef enum
{
XO_READ = 0,
XO_WRITE = 1
} main_file_modes;
#ifndef XD3_POSIX
#define XD3_POSIX 0
#endif
#ifndef XD3_STDIO
#define XD3_STDIO 0
#endif
#ifndef XD3_WIN32
#define XD3_WIN32 0
#endif
#ifndef NOT_MAIN
#define NOT_MAIN 0
#endif
/* If none are set, default to posix. */
#if (XD3_POSIX + XD3_STDIO + XD3_WIN32) == 0
#undef XD3_POSIX
#define XD3_POSIX 1
#endif
struct _main_file
{
#if XD3_WIN32
HANDLE file;
#elif XD3_STDIO
FILE *file;
#elif XD3_POSIX
int file;
#endif
int mode; /* XO_READ and XO_WRITE */
const char *filename; /* File name or /dev/stdin,
* /dev/stdout, /dev/stderr. */
char *filename_copy; /* File name or /dev/stdin,
* /dev/stdout, /dev/stderr. */
const char *realname; /* File name or /dev/stdin,
* /dev/stdout, /dev/stderr. */
const main_extcomp *compressor; /* External compression struct. */
int flags; /* RD_FIRST, RD_NONEXTERNAL, ... */
xoff_t nread; /* for input position */
xoff_t nwrite; /* for output position */
uint8_t *snprintf_buf; /* internal snprintf() use */
int size_known; /* Set by main_set_souze */
xoff_t source_position; /* for avoiding seek in getblk_func */
int seek_failed; /* after seek fails once, try FIFO */
};
#ifdef _WIN32
#define vsnprintf_func _vsnprintf
#define snprintf_func _snprintf
#else
#define vsnprintf_func vsnprintf
#define snprintf_func snprintf
#endif
#define short_sprintf(sb,fmt,...) \
snprintf_func((sb).buf,sizeof((sb).buf),fmt,__VA_ARGS__)
/* Type used for short snprintf calls. */
typedef struct {
char buf[48];
} shortbuf;
/* Prior to SVN 303 this function was only defined in DJGPP and WIN32
* environments and other platforms would use the builtin snprintf()
* with an arrangement of macros below. In OS X 10.6, Apply made
* snprintf() a macro, which defeated those macros (since snprintf
* would be evaluated before its argument macros were expanded,
* therefore always define xsnprintf_func. */
#undef PRINTF_ATTRIBUTE
#ifdef __GNUC__
/* Let's just assume no one uses gcc 2.x! */
#define PRINTF_ATTRIBUTE(x,y) __attribute__ ((__format__ (__printf__, x, y)))
#else
#define PRINTF_ATTRIBUTE(x,y)
#endif
/* Underlying xprintf() */
int xsnprintf_func (char *str, int n, const char *fmt, ...)
PRINTF_ATTRIBUTE(3,4);
/* XPR(NT "", ...) (used by main) prefixes an "xdelta3: " to the output. */
void xprintf(const char *fmt, ...) PRINTF_ATTRIBUTE(1,2);
#define XPR xprintf
#define NT "xdelta3: "
#define NTR ""
#ifndef UINT32_MAX
#define UINT32_MAX 4294967295U
#endif
#ifndef UINT64_MAX
#define UINT64_MAX 18446744073709551615ULL
#endif
#define UINT32_OFLOW_MASK 0xfe000000U
#define UINT64_OFLOW_MASK 0xfe00000000000000ULL
/*********************************************************************
Integer encoder/decoder functions
**********************************************************************/
/* Consume N bytes of input, only used by the decoder. */
#define DECODE_INPUT(n) \
do { \
stream->total_in += (xoff_t) (n); \
stream->avail_in -= (n); \
stream->next_in += (n); \
} while (0)
#define DECODE_INTEGER_TYPE(PART,OFLOW) \
while (stream->avail_in != 0) \
{ \
usize_t next = stream->next_in[0]; \
\
DECODE_INPUT(1); \
\
if (PART & OFLOW) \
{ \
stream->msg = "overflow in decode_integer"; \
return XD3_INVALID_INPUT; \
} \
\
PART = (PART << 7) | (next & 127); \
\
if ((next & 128) == 0) \
{ \
(*val) = PART; \
PART = 0; \
return 0; \
} \
} \
\
stream->msg = "further input required"; \
return XD3_INPUT
#define READ_INTEGER_TYPE(TYPE, OFLOW) \
TYPE val = 0; \
const uint8_t *inp = (*inpp); \
usize_t next; \
\
do \
{ \
if (inp == maxp) \
{ \
stream->msg = "end-of-input in read_integer"; \
return XD3_INVALID_INPUT; \
} \
\
if (val & OFLOW) \
{ \
stream->msg = "overflow in read_intger"; \
return XD3_INVALID_INPUT; \
} \
\
next = (*inp++); \
val = (val << 7) | (next & 127); \
} \
while (next & 128); \
\
(*valp) = val; \
(*inpp) = inp; \
\
return 0
#define EMIT_INTEGER_TYPE() \
/* max 64-bit value in base-7 encoding is 9.1 bytes */ \
uint8_t buf[10]; \
usize_t bufi = 10; \
\
/* This loop performs division and turns on all MSBs. */ \
do \
{ \
buf[--bufi] = (num & 127) | 128; \
num >>= 7U; \
} \
while (num != 0); \
\
/* Turn off MSB of the last byte. */ \
buf[9] &= 127; \
\
return xd3_emit_bytes (stream, output, buf + bufi, 10 - bufi)
#define IF_SIZEOF32(x) if (num < (1U << (7 * (x)))) return (x);
#define IF_SIZEOF64(x) if (num < (1ULL << (7 * (x)))) return (x);
#if USE_UINT32
static inline uint32_t
xd3_sizeof_uint32_t (uint32_t num)
{
IF_SIZEOF32(1);
IF_SIZEOF32(2);
IF_SIZEOF32(3);
IF_SIZEOF32(4);
return 5;
}
static inline int
xd3_decode_uint32_t (xd3_stream *stream, uint32_t *val)
{ DECODE_INTEGER_TYPE (stream->dec_32part, UINT32_OFLOW_MASK); }
static inline int
xd3_read_uint32_t (xd3_stream *stream, const uint8_t **inpp,
const uint8_t *maxp, uint32_t *valp)
{ READ_INTEGER_TYPE (uint32_t, UINT32_OFLOW_MASK); }
#if XD3_ENCODER
static inline int
xd3_emit_uint32_t (xd3_stream *stream, xd3_output **output, uint32_t num)
{ EMIT_INTEGER_TYPE (); }
#endif
#endif
#if USE_UINT64
static inline int
xd3_decode_uint64_t (xd3_stream *stream, uint64_t *val)
{ DECODE_INTEGER_TYPE (stream->dec_64part, UINT64_OFLOW_MASK); }
#if XD3_ENCODER
static inline int
xd3_emit_uint64_t (xd3_stream *stream, xd3_output **output, uint64_t num)
{ EMIT_INTEGER_TYPE (); }
#endif
/* These are tested but not used */
#if REGRESSION_TEST
static int
xd3_read_uint64_t (xd3_stream *stream, const uint8_t **inpp,
const uint8_t *maxp, uint64_t *valp)
{ READ_INTEGER_TYPE (uint64_t, UINT64_OFLOW_MASK); }
static uint32_t
xd3_sizeof_uint64_t (uint64_t num)
{
IF_SIZEOF64(1);
IF_SIZEOF64(2);
IF_SIZEOF64(3);
IF_SIZEOF64(4);
IF_SIZEOF64(5);
IF_SIZEOF64(6);
IF_SIZEOF64(7);
IF_SIZEOF64(8);
IF_SIZEOF64(9);
return 10;
}
#endif
#endif
#if SIZEOF_USIZE_T == 4
#define USIZE_T_MAX UINT32_MAX
#define USIZE_T_MAXBLKSZ 0x80000000U
#define xd3_decode_size xd3_decode_uint32_t
#define xd3_emit_size xd3_emit_uint32_t
#define xd3_sizeof_size xd3_sizeof_uint32_t
#define xd3_read_size xd3_read_uint32_t
#elif SIZEOF_USIZE_T == 8
#define USIZE_T_MAX UINT64_MAX
#define USIZE_T_MAXBLKSZ 0x8000000000000000ULL
#define xd3_decode_size xd3_decode_uint64_t
#define xd3_emit_size xd3_emit_uint64_t
#define xd3_sizeof_size xd3_sizeof_uint64_t
#define xd3_read_size xd3_read_uint64_t
#endif
#if SIZEOF_XOFF_T == 4
#define XOFF_T_MAX UINT32_MAX
#define xd3_emit_offset xd3_emit_uint32_t
static inline int
xd3_decode_offset (xd3_stream *stream, xoff_t *val)
{
return xd3_decode_uint32_t (stream, (uint32_t*) val);
}
#elif SIZEOF_XOFF_T == 8
#define XOFF_T_MAX UINT64_MAX
#define xd3_emit_offset xd3_emit_uint64_t
static inline int
xd3_decode_offset (xd3_stream *stream, xoff_t *val)
{
return xd3_decode_uint64_t (stream, (uint64_t*) val);
}
#endif
#define USIZE_T_OVERFLOW(a,b) ((USIZE_T_MAX - (usize_t) (a)) < (usize_t) (b))
#define XOFF_T_OVERFLOW(a,b) ((XOFF_T_MAX - (xoff_t) (a)) < (xoff_t) (b))
#define MAX_LRU_SIZE 32U
#define XD3_MINSRCWINSZ (XD3_ALLOCSIZE * MAX_LRU_SIZE)
#define XD3_MAXSRCWINSZ (1ULL << 31)
#endif // XDELTA3_INTERNAL_H__

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/* xdelta 3 - delta compression tools and library
* Copyright (C) 2002, 2006, 2007. Joshua P. MacDonald
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __XDELTA3_LIST__
#define __XDELTA3_LIST__
#define XD3_MAKELIST(LTYPE,ETYPE,LNAME) \
\
static inline ETYPE* \
LTYPE ## _entry (LTYPE* l) \
{ \
return (ETYPE*) ((char*) l - (ptrdiff_t) &((ETYPE*) 0)->LNAME); \
} \
\
static inline void \
LTYPE ## _init (LTYPE *l) \
{ \
l->next = l; \
l->prev = l; \
} \
\
static inline void \
LTYPE ## _add (LTYPE *prev, LTYPE *next, LTYPE *ins) \
{ \
next->prev = ins; \
prev->next = ins; \
ins->next = next; \
ins->prev = prev; \
} \
\
static inline void \
LTYPE ## _push_back (LTYPE *l, ETYPE *i) \
{ \
LTYPE ## _add (l->prev, l, & i->LNAME); \
} \
\
static inline void \
LTYPE ## _del (LTYPE *next, \
LTYPE *prev) \
{ \
next->prev = prev; \
prev->next = next; \
} \
\
static inline ETYPE* \
LTYPE ## _remove (ETYPE *f) \
{ \
LTYPE *i = f->LNAME.next; \
LTYPE ## _del (f->LNAME.next, f->LNAME.prev); \
return LTYPE ## _entry (i); \
} \
\
static inline ETYPE* \
LTYPE ## _pop_back (LTYPE *l) \
{ \
LTYPE *i = l->prev; \
LTYPE ## _del (i->next, i->prev); \
return LTYPE ## _entry (i); \
} \
\
static inline ETYPE* \
LTYPE ## _pop_front (LTYPE *l) \
{ \
LTYPE *i = l->next; \
LTYPE ## _del (i->next, i->prev); \
return LTYPE ## _entry (i); \
} \
\
static inline int \
LTYPE ## _empty (LTYPE *l) \
{ \
return l == l->next; \
} \
\
static inline ETYPE* \
LTYPE ## _front (LTYPE *f) \
{ \
return LTYPE ## _entry (f->next); \
} \
\
static inline ETYPE* \
LTYPE ## _back (LTYPE *f) \
{ \
return LTYPE ## _entry (f->prev); \
} \
\
static inline int \
LTYPE ## _end (LTYPE *f, ETYPE *i) \
{ \
return f == & i->LNAME; \
} \
\
static inline ETYPE* \
LTYPE ## _next (ETYPE *f) \
{ \
return LTYPE ## _entry (f->LNAME.next); \
} \
\
static inline usize_t \
LTYPE ## _length (LTYPE *l) \
{ \
LTYPE *p; \
int c = 0; \
\
for (p = l->next; p != l; p = p->next) \
{ \
c += 1; \
} \
\
return c; \
} \
\
typedef int unused_ ## LTYPE
#endif

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/* xdelta 3 - delta compression tools and library
* Copyright (C) 2012, 2013, 2014, 2015. Joshua P. MacDonald
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* Note: The use of the _easy_ decoder means we're not calling the
* xd3_stream malloc hooks. TODO(jmacd) Fix if anyone cares. */
#ifndef _XDELTA3_LZMA_H_
#define _XDELTA3_LZMA_H_
#include <lzma.h>
typedef struct _xd3_lzma_stream xd3_lzma_stream;
struct _xd3_lzma_stream {
lzma_stream lzma;
lzma_options_lzma options;
lzma_filter filters[2];
};
xd3_sec_stream*
xd3_lzma_alloc (xd3_stream *stream)
{
return (xd3_sec_stream*) xd3_alloc (stream, sizeof (xd3_lzma_stream), 1);
}
void
xd3_lzma_destroy (xd3_stream *stream, xd3_sec_stream *sec_stream)
{
xd3_lzma_stream *ls = (xd3_lzma_stream*) sec_stream;
lzma_end (&ls->lzma);
xd3_free (stream, ls);
}
int
xd3_lzma_init (xd3_stream *stream, xd3_lzma_stream *sec, int is_encode)
{
int ret;
memset (&sec->lzma, 0, sizeof(sec->lzma));
if (is_encode)
{
int preset = (stream->flags & XD3_COMPLEVEL_MASK) >> XD3_COMPLEVEL_SHIFT;
if (lzma_lzma_preset(&sec->options, preset))
{
stream->msg = "invalid lzma preset";
return XD3_INVALID;
}
sec->filters[0].id = LZMA_FILTER_LZMA2;
sec->filters[0].options = &sec->options;
sec->filters[1].id = LZMA_VLI_UNKNOWN;
ret = lzma_stream_encoder (&sec->lzma, &sec->filters[0], LZMA_CHECK_NONE);
}
else
{
ret = lzma_stream_decoder (&sec->lzma, UINT64_MAX, LZMA_TELL_NO_CHECK);
}
if (ret != LZMA_OK)
{
stream->msg = "lzma stream init failed";
return XD3_INTERNAL;
}
return 0;
}
int xd3_decode_lzma (xd3_stream *stream, xd3_lzma_stream *sec,
const uint8_t **input_pos,
const uint8_t *const input_end,
uint8_t **output_pos,
const uint8_t *const output_end)
{
uint8_t *output = *output_pos;
const uint8_t *input = *input_pos;
size_t avail_in = input_end - input;
size_t avail_out = output_end - output;
sec->lzma.avail_in = avail_in;
sec->lzma.next_in = input;
sec->lzma.avail_out = avail_out;
sec->lzma.next_out = output;
while (1)
{
int lret = lzma_code (&sec->lzma, LZMA_RUN);
switch (lret)
{
case LZMA_NO_CHECK:
case LZMA_OK:
if (sec->lzma.avail_out == 0)
{
(*output_pos) = sec->lzma.next_out;
(*input_pos) = sec->lzma.next_in;
return 0;
}
break;
default:
stream->msg = "lzma decoding error";
return XD3_INTERNAL;
}
}
}
#if XD3_ENCODER
int xd3_encode_lzma (xd3_stream *stream,
xd3_lzma_stream *sec,
xd3_output *input,
xd3_output *output,
xd3_sec_cfg *cfg)
{
lzma_action action = LZMA_RUN;
cfg->inefficient = 1; /* Can't skip windows */
sec->lzma.next_in = NULL;
sec->lzma.avail_in = 0;
sec->lzma.next_out = (output->base + output->next);
sec->lzma.avail_out = (output->avail - output->next);
while (1)
{
int lret;
size_t nwrite;
if (sec->lzma.avail_in == 0 && input != NULL)
{
sec->lzma.avail_in = input->next;
sec->lzma.next_in = input->base;
if ((input = input->next_page) == NULL)
{
action = LZMA_SYNC_FLUSH;
}
}
lret = lzma_code (&sec->lzma, action);
nwrite = (output->avail - output->next) - sec->lzma.avail_out;
if (nwrite != 0)
{
output->next += nwrite;
if (output->next == output->avail)
{
if ((output = xd3_alloc_output (stream, output)) == NULL)
{
return ENOMEM;
}
sec->lzma.next_out = output->base;
sec->lzma.avail_out = output->avail;
}
}
switch (lret)
{
case LZMA_OK:
break;
case LZMA_STREAM_END:
return 0;
default:
stream->msg = "lzma encoding error";
return XD3_INTERNAL;
}
}
return 0;
}
#endif /* XD3_ENCODER */
#endif /* _XDELTA3_LZMA_H_ */

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/* xdelta 3 - delta compression tools and library
* Copyright (C) 2007. Joshua P. MacDonald
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _XDELTA3_MERGE_H_
#define _XDELTA3_MERGE_H_
int xd3_merge_inputs (xd3_stream *stream,
xd3_whole_state *source,
xd3_whole_state *input);
static int
xd3_whole_state_init (xd3_stream *stream)
{
XD3_ASSERT (stream->whole_target.adds == NULL);
XD3_ASSERT (stream->whole_target.inst == NULL);
XD3_ASSERT (stream->whole_target.wininfo == NULL);
XD3_ASSERT (stream->whole_target.length == 0);
stream->whole_target.adds_alloc = XD3_ALLOCSIZE;
stream->whole_target.inst_alloc = XD3_ALLOCSIZE;
stream->whole_target.wininfo_alloc = XD3_ALLOCSIZE;
if ((stream->whole_target.adds = (uint8_t*)
xd3_alloc (stream, stream->whole_target.adds_alloc, 1)) == NULL ||
(stream->whole_target.inst = (xd3_winst*)
xd3_alloc (stream, stream->whole_target.inst_alloc, 1)) == NULL ||
(stream->whole_target.wininfo = (xd3_wininfo*)
xd3_alloc (stream, stream->whole_target.wininfo_alloc, 1)) == NULL)
{
return ENOMEM;
}
return 0;
}
static void
xd3_swap_whole_state (xd3_whole_state *a,
xd3_whole_state *b)
{
xd3_whole_state tmp;
XD3_ASSERT (a->inst != NULL && a->adds != NULL);
XD3_ASSERT (b->inst != NULL && b->adds != NULL);
XD3_ASSERT (b->wininfo != NULL && b->wininfo != NULL);
memcpy (&tmp, a, sizeof (xd3_whole_state));
memcpy (a, b, sizeof (xd3_whole_state));
memcpy (b, &tmp, sizeof (xd3_whole_state));
}
static int
xd3_realloc_buffer (xd3_stream *stream,
usize_t current_units,
usize_t unit_size,
usize_t new_units,
usize_t *alloc_size,
void **alloc_ptr)
{
usize_t needed;
usize_t new_alloc;
usize_t cur_size;
uint8_t *new_buf;
needed = (current_units + new_units) * unit_size;
if (needed <= *alloc_size)
{
return 0;
}
cur_size = current_units * unit_size;
new_alloc = xd3_round_blksize (needed * 2, XD3_ALLOCSIZE);
if ((new_buf = (uint8_t*) xd3_alloc (stream, new_alloc, 1)) == NULL)
{
return ENOMEM;
}
if (cur_size != 0)
{
memcpy (new_buf, *alloc_ptr, cur_size);
}
if (*alloc_ptr != NULL)
{
xd3_free (stream, *alloc_ptr);
}
*alloc_size = new_alloc;
*alloc_ptr = new_buf;
return 0;
}
/* allocate one new output instruction */
static int
xd3_whole_alloc_winst (xd3_stream *stream,
xd3_winst **winstp)
{
int ret;
if ((ret = xd3_realloc_buffer (stream,
stream->whole_target.instlen,
sizeof (xd3_winst),
1,
& stream->whole_target.inst_alloc,
(void**) & stream->whole_target.inst)))
{
return ret;
}
*winstp = &stream->whole_target.inst[stream->whole_target.instlen++];
return 0;
}
static int
xd3_whole_alloc_adds (xd3_stream *stream,
usize_t count)
{
return xd3_realloc_buffer (stream,
stream->whole_target.addslen,
1,
count,
& stream->whole_target.adds_alloc,
(void**) & stream->whole_target.adds);
}
static int
xd3_whole_alloc_wininfo (xd3_stream *stream,
xd3_wininfo **wininfop)
{
int ret;
if ((ret = xd3_realloc_buffer (stream,
stream->whole_target.wininfolen,
sizeof (xd3_wininfo),
1,
& stream->whole_target.wininfo_alloc,
(void**) & stream->whole_target.wininfo)))
{
return ret;
}
*wininfop = &stream->whole_target.wininfo[stream->whole_target.wininfolen++];
return 0;
}
static int
xd3_whole_append_inst (xd3_stream *stream,
xd3_hinst *inst)
{
int ret;
xd3_winst *winst;
if ((ret = xd3_whole_alloc_winst (stream, &winst)))
{
return ret;
}
winst->type = inst->type;
winst->mode = 0;
winst->size = inst->size;
winst->position = stream->whole_target.length;
stream->whole_target.length += inst->size;
if (((inst->type == XD3_ADD) || (inst->type == XD3_RUN)) &&
(ret = xd3_whole_alloc_adds (stream,
(inst->type == XD3_RUN ? 1 : inst->size))))
{
return ret;
}
switch (inst->type)
{
case XD3_RUN:
winst->addr = stream->whole_target.addslen;
stream->whole_target.adds[stream->whole_target.addslen++] =
*stream->data_sect.buf++;
break;
case XD3_ADD:
winst->addr = stream->whole_target.addslen;
memcpy (stream->whole_target.adds + stream->whole_target.addslen,
stream->data_sect.buf,
inst->size);
stream->data_sect.buf += inst->size;
stream->whole_target.addslen += inst->size;
break;
default:
if (inst->addr < stream->dec_cpylen)
{
winst->mode = SRCORTGT (stream->dec_win_ind);
winst->addr = stream->dec_cpyoff + inst->addr;
}
else
{
winst->addr = (stream->dec_winstart +
inst->addr -
stream->dec_cpylen);
}
break;
}
return 0;
}
int
xd3_whole_append_window (xd3_stream *stream)
{
int ret;
xd3_wininfo *wininfo;
if ((ret = xd3_whole_alloc_wininfo (stream, &wininfo))) { return ret; }
wininfo->length = stream->dec_tgtlen;
wininfo->offset = stream->dec_winstart;
wininfo->adler32 = stream->dec_adler32;
while (stream->inst_sect.buf < stream->inst_sect.buf_max)
{
if ((ret = xd3_decode_instruction (stream)))
{
return ret;
}
if ((stream->dec_current1.type != XD3_NOOP) &&
(ret = xd3_whole_append_inst (stream,
& stream->dec_current1)))
{
return ret;
}
if ((stream->dec_current2.type != XD3_NOOP) &&
(ret = xd3_whole_append_inst (stream,
& stream->dec_current2)))
{
return ret;
}
}
return 0;
}
/* xd3_merge_input_output applies *source to *stream, returns the
* result in stream. */
int xd3_merge_input_output (xd3_stream *stream,
xd3_whole_state *source)
{
int ret;
xd3_stream tmp_stream;
memset (& tmp_stream, 0, sizeof (tmp_stream));
if ((ret = xd3_config_stream (& tmp_stream, NULL)) ||
(ret = xd3_whole_state_init (& tmp_stream)) ||
(ret = xd3_merge_inputs (& tmp_stream,
source,
& stream->whole_target)))
{
XPR(NT XD3_LIB_ERRMSG (&tmp_stream, ret));
return ret;
}
/* the output is in tmp_stream.whole_state, swap into input */
xd3_swap_whole_state (& stream->whole_target,
& tmp_stream.whole_target);
/* total allocation counts are preserved */
xd3_free_stream (& tmp_stream);
return 0;
}
static int
xd3_merge_run (xd3_stream *stream,
xd3_whole_state *target,
xd3_winst *iinst)
{
int ret;
xd3_winst *oinst;
if ((ret = xd3_whole_alloc_winst (stream, &oinst)) ||
(ret = xd3_whole_alloc_adds (stream, 1)))
{
return ret;
}
oinst->type = iinst->type;
oinst->mode = iinst->mode;
oinst->size = iinst->size;
oinst->addr = stream->whole_target.addslen;
XD3_ASSERT (stream->whole_target.length == iinst->position);
oinst->position = stream->whole_target.length;
stream->whole_target.length += iinst->size;
stream->whole_target.adds[stream->whole_target.addslen++] =
target->adds[iinst->addr];
return 0;
}
static int
xd3_merge_add (xd3_stream *stream,
xd3_whole_state *target,
xd3_winst *iinst)
{
int ret;
xd3_winst *oinst;
if ((ret = xd3_whole_alloc_winst (stream, &oinst)) ||
(ret = xd3_whole_alloc_adds (stream, iinst->size)))
{
return ret;
}
oinst->type = iinst->type;
oinst->mode = iinst->mode;
oinst->size = iinst->size;
oinst->addr = stream->whole_target.addslen;
XD3_ASSERT (stream->whole_target.length == iinst->position);
oinst->position = stream->whole_target.length;
stream->whole_target.length += iinst->size;
memcpy(stream->whole_target.adds + stream->whole_target.addslen,
target->adds + iinst->addr,
iinst->size);
stream->whole_target.addslen += iinst->size;
return 0;
}
static int
xd3_merge_target_copy (xd3_stream *stream,
xd3_winst *iinst)
{
int ret;
xd3_winst *oinst;
if ((ret = xd3_whole_alloc_winst (stream, &oinst)))
{
return ret;
}
XD3_ASSERT (stream->whole_target.length == iinst->position);
memcpy (oinst, iinst, sizeof (*oinst));
return 0;
}
static int
xd3_merge_find_position (xd3_stream *stream,
xd3_whole_state *source,
xoff_t address,
usize_t *inst_num)
{
usize_t low;
usize_t high;
if (address >= source->length)
{
stream->msg = "Invalid copy offset in merge";
return XD3_INVALID_INPUT;
}
low = 0;
high = source->instlen;
while (low != high)
{
xoff_t mid_lpos;
xoff_t mid_hpos;
usize_t mid = low + (high - low) / 2;
mid_lpos = source->inst[mid].position;
if (address < mid_lpos)
{
high = mid;
continue;
}
mid_hpos = mid_lpos + source->inst[mid].size;
if (address >= mid_hpos)
{
low = mid + 1;
continue;
}
*inst_num = mid;
return 0;
}
stream->msg = "Internal error in merge";
return XD3_INTERNAL;
}
static int
xd3_merge_source_copy (xd3_stream *stream,
xd3_whole_state *source,
const xd3_winst *iinst_orig)
{
int ret;
xd3_winst iinst;
usize_t sinst_num;
memcpy (& iinst, iinst_orig, sizeof (iinst));
XD3_ASSERT (iinst.mode == VCD_SOURCE);
if ((ret = xd3_merge_find_position (stream, source,
iinst.addr, &sinst_num)))
{
return ret;
}
while (iinst.size > 0)
{
xd3_winst *sinst;
xd3_winst *minst;
usize_t sinst_offset;
usize_t sinst_left;
usize_t this_take;
XD3_ASSERT (sinst_num < source->instlen);
sinst = &source->inst[sinst_num];
XD3_ASSERT (iinst.addr >= sinst->position);
sinst_offset = (usize_t)(iinst.addr - sinst->position);
XD3_ASSERT (sinst->size > sinst_offset);
sinst_left = sinst->size - sinst_offset;
this_take = xd3_min (iinst.size, sinst_left);
XD3_ASSERT (this_take > 0);
if ((ret = xd3_whole_alloc_winst (stream, &minst)))
{
return ret;
}
minst->size = this_take;
minst->type = sinst->type;
minst->position = iinst.position;
minst->mode = 0;
switch (sinst->type)
{
case XD3_RUN:
if ((ret = xd3_whole_alloc_adds (stream, 1)))
{
return ret;
}
minst->addr = stream->whole_target.addslen;
stream->whole_target.adds[stream->whole_target.addslen++] =
source->adds[sinst->addr];
break;
case XD3_ADD:
if ((ret = xd3_whole_alloc_adds (stream, this_take)))
{
return ret;
}
minst->addr = stream->whole_target.addslen;
memcpy(stream->whole_target.adds + stream->whole_target.addslen,
source->adds + sinst->addr + sinst_offset,
this_take);
stream->whole_target.addslen += this_take;
break;
default:
if (sinst->mode != 0)
{
minst->mode = sinst->mode;
minst->addr = sinst->addr + sinst_offset;
}
else
{
// Note: A better implementation will construct the
// mapping of output ranges, starting from the input
// range, applying deltas in forward order, using an
// interval tree. This code uses recursion to construct
// each copied range, recursively (using binary search
// in xd3_merge_find_position).
//
// TODO: This code can cause stack overflow. Fix as
// described above.
xd3_winst tinst;
tinst.type = XD3_CPY;
tinst.mode = iinst.mode;
tinst.addr = sinst->addr + sinst_offset;
tinst.size = this_take;
tinst.position = iinst.position;
// The instruction allocated in this frame will not be used.
stream->whole_target.instlen -= 1;
if ((ret = xd3_merge_source_copy (stream, source, &tinst)))
{
return ret;
}
}
break;
}
iinst.position += this_take;
iinst.addr += this_take;
iinst.size -= this_take;
sinst_num += 1;
}
return 0;
}
/* xd3_merge_inputs() applies *input to *source, returns its result in
* stream. */
int xd3_merge_inputs (xd3_stream *stream,
xd3_whole_state *source,
xd3_whole_state *input)
{
int ret = 0;
usize_t i;
size_t input_i;
for (i = 0; i < input->wininfolen; ++i) {
xd3_wininfo *copyinfo;
if ((ret = xd3_whole_alloc_wininfo (stream, &copyinfo))) { return ret; }
*copyinfo = input->wininfo[i];
}
/* iterate over each instruction. */
for (input_i = 0; ret == 0 && input_i < input->instlen; ++input_i)
{
xd3_winst *iinst = &input->inst[input_i];
switch (iinst->type)
{
case XD3_RUN:
ret = xd3_merge_run (stream, input, iinst);
break;
case XD3_ADD:
ret = xd3_merge_add (stream, input, iinst);
break;
default:
if (iinst->mode == 0)
{
ret = xd3_merge_target_copy (stream, iinst);
}
else if (iinst->mode == VCD_TARGET)
{
ret = XD3_INVALID_INPUT;
}
else
{
ret = xd3_merge_source_copy (stream, source, iinst);
}
/* The whole_target.length is not updated in the xd3_merge*copy
* routine because of recursion in xd3_merge_source_copy. */
stream->whole_target.length += iinst->size;
break;
}
}
return ret;
}
#endif

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extern/xdelta3/xdelta3-second.h vendored Normal file
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/* xdelta 3 - delta compression tools and library
* Copyright (C) 2002, 2003, 2006, 2007, 2013. Joshua P. MacDonald
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _XDELTA3_SECOND_H_
#define _XDELTA3_SECOND_H_
static inline void xd3_bit_state_encode_init (bit_state *bits)
{
bits->cur_byte = 0;
bits->cur_mask = 1;
}
static inline int xd3_decode_bits (xd3_stream *stream,
bit_state *bits,
const uint8_t **input,
const uint8_t *input_max,
usize_t nbits,
usize_t *valuep)
{
usize_t value = 0;
usize_t vmask = 1 << nbits;
if (bits->cur_mask == 0x100) { goto next_byte; }
for (;;)
{
do
{
vmask >>= 1;
if (bits->cur_byte & bits->cur_mask)
{
value |= vmask;
}
bits->cur_mask <<= 1;
if (vmask == 1) { goto done; }
}
while (bits->cur_mask != 0x100);
next_byte:
if (*input == input_max)
{
stream->msg = "secondary decoder end of input";
return XD3_INTERNAL;
}
bits->cur_byte = *(*input)++;
bits->cur_mask = 1;
}
done:
IF_DEBUG2 (DP(RINT "(d) %u ", value));
(*valuep) = value;
return 0;
}
#if REGRESSION_TEST
/* There may be extra bits at the end of secondary decompression, this macro
* checks for non-zero bits. This is overly strict, but helps pass the
* single-bit-error regression test. */
static int
xd3_test_clean_bits (xd3_stream *stream, bit_state *bits)
{
for (; bits->cur_mask != 0x100; bits->cur_mask <<= 1)
{
if (bits->cur_byte & bits->cur_mask)
{
stream->msg = "secondary decoder garbage";
return XD3_INTERNAL;
}
}
return 0;
}
#endif
static int
xd3_get_secondary (xd3_stream *stream, xd3_sec_stream **sec_streamp,
int is_encode)
{
if (*sec_streamp == NULL)
{
int ret;
if ((*sec_streamp = stream->sec_type->alloc (stream)) == NULL)
{
stream->msg = "error initializing secondary stream";
return XD3_INVALID;
}
if ((ret = stream->sec_type->init (stream, *sec_streamp, is_encode)) != 0)
{
return ret;
}
}
return 0;
}
static int
xd3_decode_secondary (xd3_stream *stream,
xd3_desect *sect,
xd3_sec_stream **sec_streamp)
{
uint32_t dec_size;
uint8_t *out_used;
int ret;
if ((ret = xd3_get_secondary (stream, sec_streamp, 0)) != 0)
{
return ret;
}
/* Decode the size, allocate the buffer. */
if ((ret = xd3_read_size (stream, & sect->buf,
sect->buf_max, & dec_size)) ||
(ret = xd3_decode_allocate (stream, dec_size,
& sect->copied2, & sect->alloc2)))
{
return ret;
}
if (dec_size == 0)
{
stream->msg = "secondary decoder invalid output size";
return XD3_INVALID_INPUT;
}
out_used = sect->copied2;
if ((ret = stream->sec_type->decode (stream, *sec_streamp,
& sect->buf, sect->buf_max,
& out_used, out_used + dec_size)))
{
return ret;
}
if (sect->buf != sect->buf_max)
{
stream->msg = "secondary decoder finished with unused input";
return XD3_INTERNAL;
}
if (out_used != sect->copied2 + dec_size)
{
stream->msg = "secondary decoder short output";
return XD3_INTERNAL;
}
sect->buf = sect->copied2;
sect->buf_max = sect->copied2 + dec_size;
sect->size = dec_size;
return 0;
}
#if XD3_ENCODER
static inline int xd3_encode_bit (xd3_stream *stream,
xd3_output **output,
bit_state *bits,
usize_t bit)
{
int ret;
if (bit)
{
bits->cur_byte |= bits->cur_mask;
}
/* OPT: Might help to buffer more than 8 bits at once. */
if (bits->cur_mask == 0x80)
{
if ((ret = xd3_emit_byte (stream, output, bits->cur_byte)) != 0)
{
return ret;
}
bits->cur_mask = 1;
bits->cur_byte = 0;
}
else
{
bits->cur_mask <<= 1;
}
return 0;
}
static inline int xd3_flush_bits (xd3_stream *stream,
xd3_output **output,
bit_state *bits)
{
return (bits->cur_mask == 1) ? 0 :
xd3_emit_byte (stream, output, bits->cur_byte);
}
static inline int xd3_encode_bits (xd3_stream *stream,
xd3_output **output,
bit_state *bits,
usize_t nbits,
usize_t value)
{
int ret;
usize_t mask = 1 << nbits;
XD3_ASSERT (nbits > 0);
XD3_ASSERT (nbits < sizeof (usize_t) * 8);
XD3_ASSERT (value < mask);
do
{
mask >>= 1;
if ((ret = xd3_encode_bit (stream, output, bits, value & mask)))
{
return ret;
}
}
while (mask != 1);
IF_DEBUG2 (DP(RINT "(e) %u ", value));
return 0;
}
static int
xd3_encode_secondary (xd3_stream *stream,
xd3_output **head,
xd3_output **tail,
xd3_sec_stream **sec_streamp,
xd3_sec_cfg *cfg,
int *did_it)
{
xd3_output *tmp_head;
xd3_output *tmp_tail;
usize_t comp_size;
usize_t orig_size;
int ret;
orig_size = xd3_sizeof_output (*head);
if (orig_size < SECONDARY_MIN_INPUT) { return 0; }
if ((ret = xd3_get_secondary (stream, sec_streamp, 1)) != 0)
{
return ret;
}
tmp_head = xd3_alloc_output (stream, NULL);
/* Encode the size, encode the data. Encoding the size makes it
* simpler, but is a little gross. Should not need the entire
* section in contiguous memory, but it is much easier this way. */
if ((ret = xd3_emit_size (stream, & tmp_head, orig_size)) ||
(ret = stream->sec_type->encode (stream, *sec_streamp, *head,
tmp_head, cfg)))
{
goto getout;
}
/* If the secondary compressor determines it's no good, it returns
* XD3_NOSECOND. */
/* Setup tmp_tail, comp_size */
tmp_tail = tmp_head;
comp_size = tmp_head->next;
while (tmp_tail->next_page != NULL)
{
tmp_tail = tmp_tail->next_page;
comp_size += tmp_tail->next;
}
XD3_ASSERT (comp_size == xd3_sizeof_output (tmp_head));
XD3_ASSERT (tmp_tail != NULL);
if (comp_size < (orig_size - SECONDARY_MIN_SAVINGS) || cfg->inefficient)
{
if (comp_size < orig_size)
{
IF_DEBUG1(DP(RINT "[encode_secondary] saved %u bytes: %u -> %u (%0.2f%%)\n",
orig_size - comp_size, orig_size, comp_size,
100.0 * (double) comp_size / (double) orig_size));
}
xd3_free_output (stream, *head);
*head = tmp_head;
*tail = tmp_tail;
*did_it = 1;
}
else
{
getout:
if (ret == XD3_NOSECOND) { ret = 0; }
xd3_free_output (stream, tmp_head);
}
return ret;
}
#endif /* XD3_ENCODER */
#endif /* _XDELTA3_SECOND_H_ */

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extern/xdelta3/xdelta3.1 vendored Normal file
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.TH XDELTA3 "1" "August 2009" "Xdelta3"
.SH NAME
xdelta3 \- VCDIFF (RFC 3284) binary diff tool
.SH SYNOPSIS
.B xdelta3
.RI [ command ]
.RI [ options ]
.RI [ input
.RI [ output ]]
.SH DESCRIPTION
.B xdelta3
is a binary diff tool that uses the VCDIFF (RFC 3284) format and compression.
.SH COMMANDS
.TP
.BI config
prints xdelta3 configuration
.TP
.BI decode
decompress the input, also set by -d
.TP
.BI encode
compress the input, also set by -e (default)
.TP
.BI test
run the builtin tests
.TP
.BI printdelta
print information about the entire delta
.TP
.BI printhdr
print information about the first window
.TP
.BI printhdrs
print information about all windows
.TP
.BI recode
encode with new application/secondary settings
.SH OPTIONS
standard options:
.TP
.BI "\-0 .. \-9"
compression level
.TP
.BI "\-c"
use stdout
.TP
.BI "\-d"
decompress
.TP
.BI \-e
compress
.TP
.BI \-f
force overwrite
.TP
.BI \-h
show help
.TP
.BI \-q
be quiet
.TP
.BI \-v
be verbose (max 2)
.TP
.BI \-V
show version
.TP
memory options:
.TP
.BI \-B
.RI bytes
source window size
.TP
.BI \-W
.RI bytes
input window size
.TP
.BI \-P
.RI size
compression duplicates window
.TP
.BI \-I
.RI size
instruction buffer size (0 = unlimited)
.TP
compression options:
.TP
.BI \-s
.RI source
source file to copy from (if any)
.TP
.BI "\-S " [djw|fgk]
enable/disable secondary compression
.TP
.BI \-N
disable small string-matching compression
.TP
.BI \-D
disable external decompression (encode/decode)
.TP
.BI \-R
disable external recompression (decode)
.TP
.BI \-n
disable checksum (encode/decode)
.TP
.BI \-C
soft config (encode, undocumented)
.TP
.BI "\-A " [apphead]
disable/provide application header (encode)
.TP
.BI \-J
disable output (check/compute only)
.TP
.BI \-T
use alternate code table (test)
.SH NOTES
The
.B XDELTA
environment variable may contain extra args:
.RS
XDELTA="-s source-x.y.tar.gz" \\
.br
tar --use-compress-program=xdelta3 -cf \\
.br
target-x.z.tar.gz.vcdiff target-x.y/
.SH EXAMPLES
Compress the differences between SOURCE and TARGET, yielding OUT,
using "djw" secondary compression:
xdelta3 -S djw -s SOURCE TARGET OUT
Do the same, using standard input and output:
xdelta3 -S djw -s SOURCE < TARGET > OUT
To decompress OUT, using SOURCE, yielding TARGET:
xdelta3 -d -s SOURCE OUT TARGET
.SH AUTHOR
xdelta3 was written by Josh MacDonald <josh.macdonald@gmail.com>.
.PP
This manual page was written by Leo 'costela' Antunes <costela@debian.org>
for the Debian project (but may be used by others).

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extern/xdelta3/xdelta3.h vendored Normal file
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extern/xdelta3/xdelta3.i vendored Normal file
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%module xdelta3
%import cstring.i
%import argcargv.i
%{
#include "xdelta3.h"
int xd3_main_cmdline (int ARGC, char **ARGV);
%}
%cstring_input_binary(const char *input, unsigned int input_size);
%cstring_input_binary(const char *source, unsigned int source_size);
%define %max_output_withsize(TYPEMAP, SIZE, MAXSIZE)
%typemap(in) MAXSIZE (unsigned int alloc_size) {
$1 = alloc_size = PyInt_AsLong(obj2);
}
%typemap(in,numinputs=0) (TYPEMAP, SIZE) {
}
%typemap(check) (TYPEMAP, SIZE) {
// alloc_size input is #7th position in xd3_xxcode_memory()
$1 = malloc(alloc_size7);
$2 = &alloc_size7;
}
%typemap(argout,fragment="t_output_helper") (TYPEMAP, SIZE) {
if (result == 0) {
PyObject *o;
// alloc_size7 now carries actual size
o = PyString_FromStringAndSize($1,alloc_size7);
$result = t_output_helper($result,o);
} else {
$result = t_output_helper($result,Py_None);
}
free($1);
}
%typemap(default) int flags {
$1 = 0;
}
%enddef
%max_output_withsize(char *output_buf, unsigned int *output_size, unsigned int max_output);
int xd3_encode_memory (const uint8_t *input,
usize_t input_size,
const uint8_t *source,
usize_t source_size,
uint8_t *output_buffer,
usize_t *output_size,
usize_t avail_output,
int flags);
int xd3_decode_memory (const uint8_t *input,
usize_t input_size,
const uint8_t *source,
usize_t source_size,
uint8_t *output_buf,
usize_t *output_size,
usize_t avail_output,
int flags);
int xd3_main_cmdline (int ARGC, char **ARGV);
/* Is this the right way? */
enum {
/*XD3_JUST_HDR,*/
/*XD3_SKIP_WINDOW,*/
/*XD3_SKIP_EMIT,*/
/*XD3_FLUSH,*/
XD3_SEC_DJW,
XD3_SEC_FGK,
/*XD3_SEC_TYPE,*/
XD3_SEC_NODATA,
XD3_SEC_NOINST,
XD3_SEC_NOADDR,
/*XD3_SEC_OTHER,*/
XD3_ADLER32,
XD3_ADLER32_NOVER,
XD3_NOCOMPRESS,
XD3_BEGREEDY,
XD3_COMPLEVEL_SHIFT,
XD3_COMPLEVEL_MASK,
XD3_COMPLEVEL_1,
XD3_COMPLEVEL_3,
XD3_COMPLEVEL_6,
XD3_COMPLEVEL_9,
};

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extern/xdelta3/xdelta3.vcxproj vendored Executable file
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<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup Label="ProjectConfigurations">
<ProjectConfiguration Include="Debug|Itanium">
<Configuration>Debug</Configuration>
<Platform>Itanium</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|Win32">
<Configuration>Debug</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|x64">
<Configuration>Debug</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|Itanium">
<Configuration>Release</Configuration>
<Platform>Itanium</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|Win32">
<Configuration>Release</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|x64">
<Configuration>Release</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="xdelta3-64|Itanium">
<Configuration>xdelta3-64</Configuration>
<Platform>Itanium</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="xdelta3-64|Win32">
<Configuration>xdelta3-64</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="xdelta3-64|x64">
<Configuration>xdelta3-64</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
</ItemGroup>
<ItemGroup>
<ClCompile Include="xdelta3.c">
<PreprocessorDefinitions Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">%(PreprocessorDefinitions)</PreprocessorDefinitions>
<PreprocessorDefinitions Condition="'$(Configuration)|$(Platform)'=='Debug|Itanium'">%(PreprocessorDefinitions)</PreprocessorDefinitions>
<PreprocessorDefinitions Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">%(PreprocessorDefinitions)</PreprocessorDefinitions>
<PreprocessorDefinitions Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">/DXD3_DEBUG=0 /DXD3_USE_LARGEFILE64=1 /DREGRESSION_TEST=1 /DSECONDARY_DJW=1 /DSECONDARY_FGK=1 /DXD3_MAIN=1 /DXD3_WIN32=1 /DEXTERNAL_COMPRESSION=0 /DXD3_STDIO=0 /DXD3_POSIX=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<PreprocessorDefinitions Condition="'$(Configuration)|$(Platform)'=='Release|Itanium'">/DXD3_DEBUG=0 /DXD3_USE_LARGEFILE64=1 /DREGRESSION_TEST=1 /DSECONDARY_DJW=1 /DSECONDARY_FGK=1 /DXD3_MAIN=1 /DXD3_WIN32=1 /DEXTERNAL_COMPRESSION=0 /DXD3_STDIO=0 /DXD3_POSIX=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<PreprocessorDefinitions Condition="'$(Configuration)|$(Platform)'=='Release|x64'">/DXD3_DEBUG=0 /DXD3_USE_LARGEFILE64=1 /DREGRESSION_TEST=1 /DSECONDARY_DJW=1 /DSECONDARY_FGK=1 /DXD3_MAIN=1 /DXD3_WIN32=1 /DEXTERNAL_COMPRESSION=0 /DXD3_STDIO=0 /DXD3_POSIX=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<PreprocessorDefinitions Condition="'$(Configuration)|$(Platform)'=='xdelta3-64|Win32'">/DXD3_DEBUG=0 /DXD3_USE_LARGEFILE64=1 /DREGRESSION_TEST=1 /DSECONDARY_DJW=1 /DSECONDARY_FGK=1 /DXD3_MAIN=1 /DXD3_WIN32=1 /DEXTERNAL_COMPRESSION=0 /DXD3_STDIO=0 /DXD3_POSIX=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<PreprocessorDefinitions Condition="'$(Configuration)|$(Platform)'=='xdelta3-64|Itanium'">/DXD3_DEBUG=0 /DXD3_USE_LARGEFILE64=1 /DREGRESSION_TEST=1 /DSECONDARY_DJW=1 /DSECONDARY_FGK=1 /DXD3_MAIN=1 /DXD3_WIN32=1 /DEXTERNAL_COMPRESSION=0 /DXD3_STDIO=0 /DXD3_POSIX=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<PreprocessorDefinitions Condition="'$(Configuration)|$(Platform)'=='xdelta3-64|x64'">/DXD3_DEBUG=0 /DXD3_USE_LARGEFILE64=1 /DREGRESSION_TEST=1 /DSECONDARY_DJW=1 /DSECONDARY_FGK=1 /DXD3_MAIN=1 /DXD3_WIN32=1 /DEXTERNAL_COMPRESSION=0 /DXD3_STDIO=0 /DXD3_POSIX=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
</ClCompile>
</ItemGroup>
<ItemGroup>
<ClInclude Include="xdelta3-blkcache.h" />
<ClInclude Include="xdelta3-cfgs.h" />
<ClInclude Include="xdelta3-decode.h" />
<ClInclude Include="xdelta3-djw.h" />
<ClInclude Include="xdelta3-fgk.h" />
<ClInclude Include="xdelta3-hash.h" />
<ClInclude Include="xdelta3-internal.h" />
<ClInclude Include="xdelta3-list.h" />
<ClInclude Include="xdelta3-lzma.h" />
<ClInclude Include="xdelta3-main.h" />
<ClInclude Include="xdelta3-merge.h" />
<ClInclude Include="xdelta3-second.h" />
<ClInclude Include="xdelta3-test.h" />
<ClInclude Include="xdelta3.h" />
</ItemGroup>
<PropertyGroup Label="Globals">
<ProjectGuid>{8F9D37B5-B78E-4816-BE61-AEF679DBF3BC}</ProjectGuid>
<Keyword>Win32Proj</Keyword>
<RootNamespace>xdelta3</RootNamespace>
</PropertyGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
<ConfigurationType>Application</ConfigurationType>
<UseDebugLibraries>true</UseDebugLibraries>
<CharacterSet>MultiByte</CharacterSet>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Itanium'" Label="Configuration">
<ConfigurationType>Application</ConfigurationType>
<UseDebugLibraries>true</UseDebugLibraries>
<CharacterSet>MultiByte</CharacterSet>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
<ConfigurationType>Application</ConfigurationType>
<UseDebugLibraries>true</UseDebugLibraries>
<CharacterSet>MultiByte</CharacterSet>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
<ConfigurationType>Application</ConfigurationType>
<UseDebugLibraries>false</UseDebugLibraries>
<WholeProgramOptimization>true</WholeProgramOptimization>
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7
extern/xdelta3/xdelta3.wxi vendored Normal file
View File

@ -0,0 +1,7 @@
<Include>
<?define PRODUCT_ID=60131be5-be4d-4975-9108-dd0be735890d ?>
<?define PACKAGE_ID=82bf21ca-ee08-4701-ab78-37210dac82ce ?>
<?define COMPONENT_ID=85bc3206-05f8-41f8-b500-6ea32e5d6a8f ?>
<?define MANUAL_ID=07f387bc-a0c5-4af9-88db-1a84443f1fc5 ?>
<?define SOURCE_ID=4e1503a9-3ed1-4e06-b0c0-890462b1a4fd ?>
</Include>

131
extern/xdelta3/xdelta3.wxs vendored Normal file
View File

@ -0,0 +1,131 @@
<?xml version='1.0'?>
<?include $(sys.SOURCEFILEDIR)\xdelta3.wxi ?>
<Wix xmlns='http://schemas.microsoft.com/wix/2003/01/wi'>
<Product Id='$(var.PRODUCT_ID)'
Name='Xdelta 3.0u'
Language='1033'
Codepage='1252'
Version='3.0.1.1'
Manufacturer='Josh.MacDonald@Gmail.Com'>
<Package Id='$(var.PACKAGE_ID)'
Keywords='Installer'
Description='Xdelta 3.0u'
Comments='http://xdelta.org'
Manufacturer='Josh.MacDonald@Gmail.Com'
InstallerVersion='300'
Languages='1033'
Compressed='yes' />
<Media Id='1'
Cabinet='xdelta30t.cab'
EmbedCab='yes' />
<Directory Id='TARGETDIR' Name='SourceDir'>
<Directory Id='ProgramFilesFolder' Name='PFiles'>
<Directory Id='Xdelta'
Name='Xdelta'>
<Component Id='Main'
Guid='$(var.COMPONENT_ID)'>
<File Id='XdeltaEXE'
Name='xdelt30t'
LongName='xdelta30t.exe'
DiskId='1'
Source='G:\jmacd\svn\xdelta3\Release\xdelta3.exe'
Vital='yes'>
</File>
</Component>
<Component Id='Readme'
Guid='$(var.MANUAL_ID)'>
<File Id='Readme'
Name='readme.txt'
LongName='readme.txt'
DiskId='1'
Source='G:\jmacd\svn\xdelta3\readme.txt'
Vital='yes'>
<Shortcut Id="startupmenuReadme"
Directory="ProgramMenuDir"
Name="readme.txt"
LongName="Xdelta3 readme.txt"
/>
</File>
</Component>
<Component Id='Copyright'
Guid='$(var.MANUAL_ID)'>
<File Id='Copyright'
Name='COPYING'
LongName='COPYING'
DiskId='1'
Source='G:\jmacd\svn\xdelta3\COPYING'
Vital='yes'>
<Shortcut Id="startupmenuCopyright"
Directory="ProgramMenuDir"
Name="COPYING"
LongName="GNU Public License"
/>
</File>
</Component>
<Component Id='Source'
Guid='$(var.SOURCE_ID)'>
<File Id='Source'
Name='xdelt30t.zip'
LongName='xdelta3.0u.zip'
DiskId='1'
Source='G:\jmacd\svn\xdelta3\xdelta3.0u.zip'
Vital='yes'>
<Shortcut Id="startupmenuSource"
Directory="ProgramMenuDir"
Name="xdelt30t.zip"
LongName="xdelta3.0u.zip"
/>
</File>
</Component>
</Directory>
</Directory>
<Directory Id="ProgramMenuFolder" Name="PMenu" LongName="Programs">
<Directory Id="ProgramMenuDir"
Name="xdelt30t"
LongName="Xdelta 3.0u">
</Directory>
</Directory>
<!-- <Merge Id='CRT' -->
<!-- Language='0' -->
<!-- DiskId='1' -->
<!-- src='C:\Program Files\Common Files\Merge Modules\microsoft_vc80_crt_x86.msm' -->
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<!-- <Merge Id='CRT Policy' -->
<!-- Language='0' -->
<!-- DiskId='1' -->
<!-- src='C:\Program Files\Common Files\Merge Modules\policy_8_0_Microsoft_VC80_CRT_x86.msm' -->
<!-- /> -->
</Directory>
<Feature Id='Complete'
Level='1'>
<ComponentRef Id='Main' />
<ComponentRef Id='Readme' />
<ComponentRef Id='Copyright' />
<ComponentRef Id='Source' />
</Feature>
<!-- <Feature Id='CRT_WinSXS' Title='CRT WinSXS' Level='1'> -->
<!-- <MergeRef Id='CRT' /> -->
<!-- <MergeRef Id='CRT Policy' /> -->
<!-- </Feature> -->
<InstallExecuteSequence>
<RemoveRegistryValues/>
<RemoveFiles/>
<InstallFiles/>
<WriteRegistryValues/>
</InstallExecuteSequence>
</Product>
</Wix>

5
source/meson.build
View File

@ -6,5 +6,8 @@ subdir('quickerNES')
toolDependency = declare_dependency( toolDependency = declare_dependency(
include_directories : include_directories(['.', '../extern']), include_directories : include_directories(['.', '../extern']),
sources : [ '../extern/metrohash128/metrohash128.cpp' ] sources : [
'../extern/metrohash128/metrohash128.cpp',
'../extern/xdelta3/xdelta3.c',
]
) )

4
source/nesInstanceBase.hpp
View File

@ -98,6 +98,10 @@ class NESInstanceBase
virtual void deserializeState(const uint8_t *state) = 0; virtual void deserializeState(const uint8_t *state) = 0;
virtual size_t getStateSize() const = 0; virtual size_t getStateSize() const = 0;
virtual size_t serializeDifferentialState(uint8_t *differentialData, const uint8_t* referenceData, const size_t maxSize, const bool useZlib) const = 0;
virtual void deserializeDifferentialState(const uint8_t *differentialData, const uint8_t* referenceData, const bool useZlib) = 0;
virtual size_t getDifferentialStateSize() const = 0;
virtual void doSoftReset() = 0; virtual void doSoftReset() = 0;
virtual void doHardReset() = 0; virtual void doHardReset() = 0;
virtual std::string getCoreName() const = 0; virtual std::string getCoreName() const = 0;

9
source/quickNES/nesInstance.hpp
View File

@ -50,6 +50,15 @@ class NESInstance final : public NESInstanceBase
return w.size(); return w.size();
} }
size_t serializeDifferentialState(uint8_t *differentialData, const uint8_t* referenceData, const size_t maxSize, const bool useZlib) const override
{ serializeState(differentialData); return 0; }
void deserializeDifferentialState(const uint8_t *differentialData, const uint8_t* referenceData, const bool useZlib) override
{ deserializeState(differentialData); }
size_t getDifferentialStateSize() const override
{ return getStateSize(); }
std::string getCoreName() const override { return "QuickNES"; } std::string getCoreName() const override { return "QuickNES"; }
void doSoftReset() override { _nes.reset(false); } void doSoftReset() override { _nes.reset(false); }
void doHardReset() override { _nes.reset(true); } void doHardReset() override { _nes.reset(true); }

360
source/quickerNES/core/core.hpp
View File

@ -21,6 +21,7 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#include "ppu/ppu.hpp" #include "ppu/ppu.hpp"
#include <cstdio> #include <cstdio>
#include <string> #include <string>
#include <xdelta3/xdelta3.h>
namespace quickerNES namespace quickerNES
{ {
@ -151,9 +152,147 @@ class Core : private Cpu
reset(true, true); reset(true, true);
} }
size_t serializeState(uint8_t *buffer) const static inline void serializeBlock(
const uint8_t* __restrict__ inputData,
const size_t inputDataSize,
uint8_t* __restrict__ outputData,
size_t* outputDataPos,
const bool useDifferentialCompression = false,
const uint8_t* __restrict__ referenceData = nullptr,
size_t* referenceDataPos = 0,
const size_t outputMaxSize = 0,
const bool useZlib = false
)
{ {
size_t pos = 0; // If not using differential compression, process the entire input block
if (useDifferentialCompression == false)
{
// Only perform memcpy if the input block is not null
if (outputData != nullptr) memcpy(&outputData[*outputDataPos], inputData, inputDataSize);
*outputDataPos += inputDataSize;
}
// If using differential compression
if (useDifferentialCompression == true)
{
// Only perform compression if input is not null
if (outputData != nullptr)
{
// Variable to store difference count
auto diffCount = (usize_t*)&outputData[*outputDataPos];
// Advancing position pointer to store the difference counter
*outputDataPos += sizeof(usize_t);
// If we reached maximum output, stop here
if (*outputDataPos >= outputMaxSize)
{
fprintf(stderr, "[Error] Maximum output data position reached before differential encode (%lu)\n", outputMaxSize);
exit(-1);
}
// Encoding differential
int ret = xd3_encode_memory(
inputData,
inputDataSize,
&referenceData[*referenceDataPos],
inputDataSize,
&outputData[*outputDataPos],
diffCount,
outputMaxSize - *outputDataPos,
useZlib ? 0 : XD3_NOCOMPRESS
);
// If an error happened, print it here
if (ret != 0)
{
fprintf(stderr, "[Error] unexpected error while encoding differential compression. Diff count: %u\n", *diffCount);
exit(-1);
}
// Increasing output data position pointer
*outputDataPos += *diffCount;
// If exceeded size, report it
if ((usize_t)*outputDataPos > outputMaxSize)
{
fprintf(stderr, "[Error] Differential compression size (%u) exceeded output maximum size (%lu).\n", *diffCount, outputMaxSize);
exit(-1);
}
}
}
// Finally, increasing reference data position pointer
*referenceDataPos += inputDataSize;
}
static inline void deserializeBlock(
uint8_t* __restrict__ outputData,
const size_t outputDataSize,
const uint8_t* __restrict__ inputData,
size_t* inputDataPos,
const bool useDifferentialCompression = false,
const uint8_t* __restrict__ referenceData = nullptr,
size_t* referenceDataPos = 0,
const bool useZlib = false
)
{
// If not using differential compression, process the entire input block
if (useDifferentialCompression == false)
{
// Only perform memcpy if the input block is not null
if (outputData != nullptr) memcpy(outputData, &inputData[*inputDataPos], outputDataSize);
*inputDataPos += outputDataSize;
}
// If using differential compression
if (useDifferentialCompression == true)
{
// Reading differential count
usize_t diffCount;
memcpy(&diffCount, &inputData[*inputDataPos], sizeof(usize_t));
// Advancing position pointer to store the difference counter
*inputDataPos += sizeof(usize_t);
// Encoding differential
usize_t output_size;
int ret = xd3_decode_memory(
&inputData[*inputDataPos],
diffCount,
&referenceData[*referenceDataPos],
outputDataSize,
outputData,
&output_size,
outputDataSize,
useZlib ? 0 : XD3_NOCOMPRESS
);
// If an error happened, print it here
if (ret != 0)
{
fprintf(stderr, "[Error] unexpected error while decoding differential compression. Diff count: %u\n", diffCount);
exit(-1);
}
// Increasing output data position pointer
*inputDataPos += diffCount;
}
// Finally, increasing reference data position pointer
*referenceDataPos += outputDataSize;
}
size_t serializeState(
uint8_t* __restrict__ outputData,
const bool useDifferentialCompression = false,
const uint8_t* __restrict__ referenceData = nullptr,
const size_t outputMaxSize = 0,
const bool useZlib = false) const
{
size_t outputDataPos = 0;
size_t referenceDataPos = 0;
std::string headerCode; std::string headerCode;
const uint32_t headerSize = sizeof(char) * 4; const uint32_t headerSize = sizeof(char) * 4;
uint32_t blockSize = 0; uint32_t blockSize = 0;
@ -163,10 +302,10 @@ class Core : private Cpu
if (HEADBlockEnabled == true) if (HEADBlockEnabled == true)
{ {
headerCode = "NESS"; // NESS Block headerCode = "NESS"; // NESS Block
if (buffer != nullptr) memcpy(&buffer[pos], headerCode.data(), headerSize); if (outputData != nullptr) memcpy(&outputData[outputDataPos], headerCode.data(), headerSize);
pos += headerSize; outputDataPos += headerSize; referenceDataPos += headerSize;
if (buffer != nullptr) memcpy(&buffer[pos], &blockSize, headerSize); if (outputData != nullptr) memcpy(&outputData[outputDataPos], &blockSize, headerSize);
pos += headerSize; outputDataPos += headerSize; referenceDataPos += headerSize;
} }
if (TIMEBlockEnabled == true) if (TIMEBlockEnabled == true)
@ -179,14 +318,14 @@ class Core : private Cpu
if (HEADBlockEnabled == true) if (HEADBlockEnabled == true)
{ {
headerCode = "TIME"; // TIME Block headerCode = "TIME"; // TIME Block
if (buffer != nullptr) memcpy(&buffer[pos], headerCode.data(), headerSize); if (outputData != nullptr) memcpy(&outputData[outputDataPos], headerCode.data(), headerSize);
pos += headerSize; outputDataPos += headerSize; referenceDataPos += headerSize;
if (buffer != nullptr) memcpy(&buffer[pos], &blockSize, headerSize); if (outputData != nullptr) memcpy(&outputData[outputDataPos], &blockSize, headerSize);
pos += headerSize; outputDataPos += headerSize; referenceDataPos += headerSize;
} }
if (buffer != nullptr) memcpy(&buffer[pos], dataSource, blockSize); if (outputData != nullptr) memcpy(&outputData[outputDataPos], dataSource, blockSize);
pos += blockSize; outputDataPos += blockSize; referenceDataPos += blockSize;
} }
if (CPURBlockEnabled == true) if (CPURBlockEnabled == true)
@ -205,14 +344,14 @@ class Core : private Cpu
if (HEADBlockEnabled == true) if (HEADBlockEnabled == true)
{ {
headerCode = "CPUR"; // CPUR Block headerCode = "CPUR"; // CPUR Block
if (buffer != nullptr) memcpy(&buffer[pos], headerCode.data(), headerSize); if (outputData != nullptr) memcpy(&outputData[outputDataPos], headerCode.data(), headerSize);
pos += headerSize; outputDataPos += headerSize; referenceDataPos += headerSize;
if (buffer != nullptr) memcpy(&buffer[pos], &blockSize, headerSize); if (outputData != nullptr) memcpy(&outputData[outputDataPos], &blockSize, headerSize);
pos += headerSize; outputDataPos += headerSize; referenceDataPos += headerSize;
} }
if (buffer != nullptr) memcpy(&buffer[pos], dataSource, blockSize); if (outputData != nullptr) memcpy(&outputData[outputDataPos], dataSource, blockSize);
pos += blockSize; outputDataPos += blockSize; referenceDataPos += blockSize;
} }
if (PPURBlockEnabled == true) if (PPURBlockEnabled == true)
@ -223,14 +362,13 @@ class Core : private Cpu
if (HEADBlockEnabled == true) if (HEADBlockEnabled == true)
{ {
headerCode = "PPUR"; // PPUR Block headerCode = "PPUR"; // PPUR Block
if (buffer != nullptr) memcpy(&buffer[pos], headerCode.data(), headerSize); if (outputData != nullptr) memcpy(&outputData[outputDataPos], headerCode.data(), headerSize);
pos += headerSize; outputDataPos += headerSize; referenceDataPos += headerSize;
if (buffer != nullptr) memcpy(&buffer[pos], &blockSize, headerSize); if (outputData != nullptr) memcpy(&outputData[outputDataPos], &blockSize, headerSize);
pos += headerSize; outputDataPos += headerSize; referenceDataPos += headerSize;
} }
if (buffer != nullptr) memcpy(&buffer[pos], dataSource, blockSize); serializeBlock((uint8_t*)dataSource, blockSize, outputData, &outputDataPos, useDifferentialCompression, referenceData, &referenceDataPos, outputMaxSize, useZlib);
pos += blockSize;
} }
if (APURBlockEnabled == true) if (APURBlockEnabled == true)
@ -242,14 +380,14 @@ class Core : private Cpu
if (HEADBlockEnabled == true) if (HEADBlockEnabled == true)
{ {
headerCode = "APUR"; // APUR Block headerCode = "APUR"; // APUR Block
if (buffer != nullptr) memcpy(&buffer[pos], headerCode.data(), headerSize); if (outputData != nullptr) memcpy(&outputData[outputDataPos], headerCode.data(), headerSize);
pos += headerSize; outputDataPos += headerSize; referenceDataPos += headerSize;
if (buffer != nullptr) memcpy(&buffer[pos], &blockSize, headerSize); if (outputData != nullptr) memcpy(&outputData[outputDataPos], &blockSize, headerSize);
pos += headerSize; outputDataPos += headerSize; referenceDataPos += headerSize;
} }
if (buffer != nullptr) memcpy(&buffer[pos], &apuState, blockSize); if (outputData != nullptr) memcpy(&outputData[outputDataPos], &apuState, blockSize);
pos += blockSize; outputDataPos += blockSize; referenceDataPos += blockSize;
} }
if (CTRLBlockEnabled == true) if (CTRLBlockEnabled == true)
@ -260,14 +398,14 @@ class Core : private Cpu
if (HEADBlockEnabled == true) if (HEADBlockEnabled == true)
{ {
headerCode = "CTRL"; // CTRL Block headerCode = "CTRL"; // CTRL Block
if (buffer != nullptr) memcpy(&buffer[pos], headerCode.data(), headerSize); if (outputData != nullptr) memcpy(&outputData[outputDataPos], headerCode.data(), headerSize);
pos += headerSize; outputDataPos += headerSize; referenceDataPos += headerSize;
if (buffer != nullptr) memcpy(&buffer[pos], &blockSize, headerSize); if (outputData != nullptr) memcpy(&outputData[outputDataPos], &blockSize, headerSize);
pos += headerSize; outputDataPos += headerSize; referenceDataPos += headerSize;
} }
if (buffer != nullptr) memcpy(&buffer[pos], dataSource, blockSize); if (outputData != nullptr) memcpy(&outputData[outputDataPos], dataSource, blockSize);
pos += blockSize; outputDataPos += blockSize; referenceDataPos += blockSize;
} }
if (MAPRBlockEnabled == true) if (MAPRBlockEnabled == true)
@ -278,14 +416,14 @@ class Core : private Cpu
if (HEADBlockEnabled == true) if (HEADBlockEnabled == true)
{ {
headerCode = "MAPR"; // MAPR Block headerCode = "MAPR"; // MAPR Block
if (buffer != nullptr) memcpy(&buffer[pos], headerCode.data(), headerSize); if (outputData != nullptr) memcpy(&outputData[outputDataPos], headerCode.data(), headerSize);
pos += headerSize; outputDataPos += headerSize; referenceDataPos += headerSize;
if (buffer != nullptr) memcpy(&buffer[pos], &blockSize, headerSize); if (outputData != nullptr) memcpy(&outputData[outputDataPos], &blockSize, headerSize);
pos += headerSize; outputDataPos += headerSize; referenceDataPos += headerSize;
} }
if (buffer != nullptr) memcpy(&buffer[pos], dataSource, blockSize); if (outputData != nullptr) memcpy(&outputData[outputDataPos], dataSource, blockSize);
pos += blockSize; outputDataPos += blockSize; referenceDataPos += blockSize;
} }
if (LRAMBlockEnabled == true) if (LRAMBlockEnabled == true)
@ -296,14 +434,13 @@ class Core : private Cpu
if (HEADBlockEnabled == true) if (HEADBlockEnabled == true)
{ {
headerCode = "LRAM"; // LRAM Block headerCode = "LRAM"; // LRAM Block
if (buffer != nullptr) memcpy(&buffer[pos], headerCode.data(), headerSize); if (outputData != nullptr) memcpy(&outputData[outputDataPos], headerCode.data(), headerSize);
pos += headerSize; outputDataPos += headerSize; referenceDataPos += headerSize;
if (buffer != nullptr) memcpy(&buffer[pos], &blockSize, headerSize); if (outputData != nullptr) memcpy(&outputData[outputDataPos], &blockSize, headerSize);
pos += headerSize; outputDataPos += headerSize; referenceDataPos += headerSize;
} }
if (buffer != nullptr) memcpy(&buffer[pos], dataSource, blockSize); serializeBlock((uint8_t*)dataSource, blockSize, outputData, &outputDataPos, useDifferentialCompression, referenceData, &referenceDataPos, outputMaxSize, useZlib);
pos += blockSize;
} }
if (SPRTBlockEnabled == true) if (SPRTBlockEnabled == true)
@ -314,14 +451,13 @@ class Core : private Cpu
if (HEADBlockEnabled == true) if (HEADBlockEnabled == true)
{ {
headerCode = "SPRT"; // SPRT Block headerCode = "SPRT"; // SPRT Block
if (buffer != nullptr) memcpy(&buffer[pos], headerCode.data(), headerSize); if (outputData != nullptr) memcpy(&outputData[outputDataPos], headerCode.data(), headerSize);
pos += headerSize; outputDataPos += headerSize; referenceDataPos += headerSize;
if (buffer != nullptr) memcpy(&buffer[pos], &blockSize, headerSize); if (outputData != nullptr) memcpy(&outputData[outputDataPos], &blockSize, headerSize);
pos += headerSize; outputDataPos += headerSize; referenceDataPos += headerSize;
} }
if (buffer != nullptr) memcpy(&buffer[pos], dataSource, blockSize); serializeBlock((uint8_t*)dataSource, blockSize, outputData, &outputDataPos, useDifferentialCompression, referenceData, &referenceDataPos, outputMaxSize, useZlib);
pos += blockSize;
} }
if (NTABBlockEnabled == true) if (NTABBlockEnabled == true)
@ -334,14 +470,13 @@ class Core : private Cpu
if (HEADBlockEnabled == true) if (HEADBlockEnabled == true)
{ {
headerCode = "NTAB"; // NTAB Block headerCode = "NTAB"; // NTAB Block
if (buffer != nullptr) memcpy(&buffer[pos], headerCode.data(), headerSize); if (outputData != nullptr) memcpy(&outputData[outputDataPos], headerCode.data(), headerSize);
pos += headerSize; outputDataPos += headerSize; referenceDataPos += headerSize;
if (buffer != nullptr) memcpy(&buffer[pos], &blockSize, headerSize); if (outputData != nullptr) memcpy(&outputData[outputDataPos], &blockSize, headerSize);
pos += headerSize; outputDataPos += headerSize; referenceDataPos += headerSize;
} }
if (buffer != nullptr) memcpy(&buffer[pos], dataSource, blockSize); serializeBlock((uint8_t*)dataSource, blockSize, outputData, &outputDataPos, useDifferentialCompression, referenceData, &referenceDataPos, outputMaxSize, useZlib);
pos += blockSize;
} }
if (CHRRBlockEnabled == true) if (CHRRBlockEnabled == true)
@ -354,14 +489,13 @@ class Core : private Cpu
if (HEADBlockEnabled == true) if (HEADBlockEnabled == true)
{ {
headerCode = "CHRR"; // CHRR Block headerCode = "CHRR"; // CHRR Block
if (buffer != nullptr) memcpy(&buffer[pos], headerCode.data(), headerSize); if (outputData != nullptr) memcpy(&outputData[outputDataPos], headerCode.data(), headerSize);
pos += headerSize; outputDataPos += headerSize; referenceDataPos += headerSize;
if (buffer != nullptr) memcpy(&buffer[pos], &blockSize, headerSize); if (outputData != nullptr) memcpy(&outputData[outputDataPos], &blockSize, headerSize);
pos += headerSize; outputDataPos += headerSize; referenceDataPos += headerSize;
} }
if (buffer != nullptr) memcpy(&buffer[pos], dataSource, blockSize); serializeBlock((uint8_t*)dataSource, blockSize, outputData, &outputDataPos, useDifferentialCompression, referenceData, &referenceDataPos, outputMaxSize, useZlib);
pos += blockSize;
} }
} }
@ -375,14 +509,13 @@ class Core : private Cpu
if (HEADBlockEnabled == true) if (HEADBlockEnabled == true)
{ {
headerCode = "SRAM"; // SRAM Block headerCode = "SRAM"; // SRAM Block
if (buffer != nullptr) memcpy(&buffer[pos], headerCode.data(), headerSize); if (outputData != nullptr) memcpy(&outputData[outputDataPos], headerCode.data(), headerSize);
pos += headerSize; outputDataPos += headerSize; referenceDataPos += headerSize;
if (buffer != nullptr) memcpy(&buffer[pos], &blockSize, headerSize); if (outputData != nullptr) memcpy(&outputData[outputDataPos], &blockSize, headerSize);
pos += headerSize; outputDataPos += headerSize; referenceDataPos += headerSize;
} }
if (buffer != nullptr) memcpy(&buffer[pos], dataSource, blockSize); serializeBlock((uint8_t*)dataSource, blockSize, outputData, &outputDataPos, useDifferentialCompression, referenceData, &referenceDataPos, outputMaxSize, useZlib);
pos += blockSize;
} }
} }
@ -390,36 +523,37 @@ class Core : private Cpu
{ {
headerCode = "gend"; // gend Block headerCode = "gend"; // gend Block
blockSize = 0; blockSize = 0;
if (buffer != nullptr) memcpy(&buffer[pos], headerCode.data(), headerSize); if (outputData != nullptr) memcpy(&outputData[outputDataPos], headerCode.data(), headerSize);
pos += headerSize; outputDataPos += headerSize; referenceDataPos += headerSize;
if (buffer != nullptr) memcpy(&buffer[pos], &blockSize, headerSize); if (outputData != nullptr) memcpy(&outputData[outputDataPos], &blockSize, headerSize);
pos += headerSize; outputDataPos += headerSize; referenceDataPos += headerSize;
} }
return pos; // Bytes written return outputDataPos; // Bytes written
} }
size_t deserializeState(const uint8_t *buffer) size_t deserializeState(const uint8_t* __restrict__ inputStateData, const bool useDifferentialCompression = false, const uint8_t* __restrict__ referenceData = nullptr, const bool useZlib = false)
{ {
disable_rendering(); disable_rendering();
error_count = 0; error_count = 0;
ppu.burst_phase = 0; // avoids shimmer when seeking to same time over and over ppu.burst_phase = 0; // avoids shimmer when seeking to same time over and over
size_t pos = 0; size_t inputDataPos = 0;
size_t referenceDataPos = 0;
const uint32_t headerSize = sizeof(char) * 4; const uint32_t headerSize = sizeof(char) * 4;
uint32_t blockSize = 0; uint32_t blockSize = 0;
// NESS Block // NESS Block
if (HEADBlockEnabled == true) pos += 2 * headerSize; if (HEADBlockEnabled == true) { inputDataPos += 2 * headerSize; referenceDataPos += 2 * headerSize; }
// TIME Block // TIME Block
if (TIMEBlockEnabled == true) if (TIMEBlockEnabled == true)
{ {
nes_state_t nesState; nes_state_t nesState;
if (HEADBlockEnabled == true) pos += 2 * headerSize; if (HEADBlockEnabled == true) { inputDataPos += 2 * headerSize; referenceDataPos += 2 * headerSize; }
blockSize = sizeof(nes_state_t); blockSize = sizeof(nes_state_t);
memcpy(&nesState, &buffer[pos], blockSize); memcpy(&nesState, &inputStateData[inputDataPos], blockSize);
pos += blockSize; inputDataPos += blockSize;
nes = nesState; nes = nesState;
nes.timestamp /= 5; nes.timestamp /= 5;
} }
@ -429,9 +563,9 @@ class Core : private Cpu
{ {
cpu_state_t s; cpu_state_t s;
blockSize = sizeof(cpu_state_t); blockSize = sizeof(cpu_state_t);
if (HEADBlockEnabled == true) pos += 2 * headerSize; if (HEADBlockEnabled == true) { inputDataPos += 2 * headerSize; referenceDataPos += 2 * headerSize; }
memcpy((void *)&s, &buffer[pos], blockSize); memcpy((void *)&s, &inputStateData[inputDataPos], blockSize);
pos += blockSize; inputDataPos += blockSize;
r.pc = s.pc; r.pc = s.pc;
r.sp = s.s; r.sp = s.s;
r.a = s.a; r.a = s.a;
@ -444,9 +578,8 @@ class Core : private Cpu
if (PPURBlockEnabled == true) if (PPURBlockEnabled == true)
{ {
blockSize = sizeof(ppu_state_t); blockSize = sizeof(ppu_state_t);
if (HEADBlockEnabled == true) pos += 2 * headerSize; if (HEADBlockEnabled == true) { inputDataPos += 2 * headerSize; referenceDataPos += 2 * headerSize; }
memcpy((void *)&ppu, &buffer[pos], blockSize); deserializeBlock((uint8_t *)&ppu, blockSize, inputStateData, &inputDataPos, useDifferentialCompression, referenceData, &referenceDataPos, useZlib);
pos += blockSize;
} }
// APUR Block // APUR Block
@ -454,9 +587,9 @@ class Core : private Cpu
{ {
Apu::apu_state_t apuState; Apu::apu_state_t apuState;
blockSize = sizeof(Apu::apu_state_t); blockSize = sizeof(Apu::apu_state_t);
if (HEADBlockEnabled == true) pos += 2 * headerSize; if (HEADBlockEnabled == true) { inputDataPos += 2 * headerSize; referenceDataPos += 2 * headerSize; }
memcpy(&apuState, &buffer[pos], blockSize); memcpy(&apuState, &inputStateData[inputDataPos], blockSize);
pos += blockSize; inputDataPos += blockSize;
impl->apu.load_state(apuState); impl->apu.load_state(apuState);
impl->apu.end_frame(-(int)nes.timestamp / ppu_overclock); impl->apu.end_frame(-(int)nes.timestamp / ppu_overclock);
} }
@ -465,9 +598,9 @@ class Core : private Cpu
if (CTRLBlockEnabled == true) if (CTRLBlockEnabled == true)
{ {
blockSize = sizeof(joypad_state_t); blockSize = sizeof(joypad_state_t);
if (HEADBlockEnabled == true) pos += 2 * headerSize; if (HEADBlockEnabled == true) { inputDataPos += 2 * headerSize; referenceDataPos += 2 * headerSize; }
memcpy((void *)&joypad, &buffer[pos], blockSize); memcpy((void *)&joypad, &inputStateData[inputDataPos], blockSize);
pos += blockSize; inputDataPos += blockSize;
} }
// MAPR Block // MAPR Block
@ -475,9 +608,9 @@ class Core : private Cpu
{ {
mapper->default_reset_state(); mapper->default_reset_state();
blockSize = mapper->state_size; blockSize = mapper->state_size;
if (HEADBlockEnabled == true) pos += 2 * headerSize; if (HEADBlockEnabled == true) { inputDataPos += 2 * headerSize; referenceDataPos += 2 * headerSize; }
memcpy((void *)mapper->state, &buffer[pos], blockSize); memcpy((void *)mapper->state, &inputStateData[inputDataPos], blockSize);
pos += blockSize; inputDataPos += blockSize;
mapper->apply_mapping(); mapper->apply_mapping();
} }
@ -485,18 +618,16 @@ class Core : private Cpu
if (LRAMBlockEnabled == true) if (LRAMBlockEnabled == true)
{ {
blockSize = low_ram_size; blockSize = low_ram_size;
if (HEADBlockEnabled == true) pos += 2 * headerSize; if (HEADBlockEnabled == true) { inputDataPos += 2 * headerSize; referenceDataPos += 2 * headerSize; }
memcpy((void *)low_mem, &buffer[pos], blockSize); deserializeBlock((uint8_t *)&low_mem, blockSize, inputStateData, &inputDataPos, useDifferentialCompression, referenceData, &referenceDataPos, useZlib);
pos += blockSize;
} }
// SPRT Block // SPRT Block
if (SPRTBlockEnabled == true) if (SPRTBlockEnabled == true)
{ {
blockSize = Ppu::spr_ram_size; blockSize = Ppu::spr_ram_size;
if (HEADBlockEnabled == true) pos += 2 * headerSize; if (HEADBlockEnabled == true) { inputDataPos += 2 * headerSize; referenceDataPos += 2 * headerSize; }
memcpy((void *)ppu.spr_ram, &buffer[pos], blockSize); deserializeBlock((uint8_t *)&ppu.spr_ram, blockSize, inputStateData, &inputDataPos, useDifferentialCompression, referenceData, &referenceDataPos, useZlib);
pos += blockSize;
} }
// NTAB Block // NTAB Block
@ -505,9 +636,8 @@ class Core : private Cpu
size_t nametable_size = 0x800; size_t nametable_size = 0x800;
if (ppu.nt_banks[3] >= &ppu.impl->nt_ram[0xC00]) nametable_size = 0x1000; if (ppu.nt_banks[3] >= &ppu.impl->nt_ram[0xC00]) nametable_size = 0x1000;
blockSize = nametable_size; blockSize = nametable_size;
if (HEADBlockEnabled == true) pos += 2 * headerSize; if (HEADBlockEnabled == true) { inputDataPos += 2 * headerSize; referenceDataPos += 2 * headerSize; }
memcpy((void *)ppu.impl->nt_ram, &buffer[pos], blockSize); deserializeBlock((uint8_t *)&ppu.impl->nt_ram, blockSize, inputStateData, &inputDataPos, useDifferentialCompression, referenceData, &referenceDataPos, useZlib);
pos += blockSize;
} }
if (CHRRBlockEnabled == true) if (CHRRBlockEnabled == true)
@ -516,9 +646,8 @@ class Core : private Cpu
{ {
// CHRR Block // CHRR Block
blockSize = ppu.chr_size; blockSize = ppu.chr_size;
if (HEADBlockEnabled == true) pos += 2 * headerSize; if (HEADBlockEnabled == true) { inputDataPos += 2 * headerSize; referenceDataPos += 2 * headerSize; }
memcpy((void *)ppu.impl->chr_ram, &buffer[pos], blockSize); deserializeBlock((uint8_t *)&ppu.impl->chr_ram, blockSize, inputStateData, &inputDataPos, useDifferentialCompression, referenceData, &referenceDataPos, useZlib);
pos += blockSize;
ppu.all_tiles_modified(); ppu.all_tiles_modified();
} }
} }
@ -529,18 +658,17 @@ class Core : private Cpu
{ {
// SRAM Block // SRAM Block
blockSize = impl->sram_size; blockSize = impl->sram_size;
if (HEADBlockEnabled == true) pos += 2 * headerSize; if (HEADBlockEnabled == true) { inputDataPos += 2 * headerSize; referenceDataPos += 2 * headerSize; }
memcpy((void *)impl->sram, &buffer[pos], blockSize); deserializeBlock((uint8_t *)&impl->sram, blockSize, inputStateData, &inputDataPos, useDifferentialCompression, referenceData, &referenceDataPos, useZlib);
pos += blockSize;
} }
} }
if (sram_present) enable_sram(true); if (sram_present) enable_sram(true);
// headerCode = "gend"; // gend Block // headerCode = "gend"; // gend Block
if (HEADBlockEnabled == true) pos += 2 * headerSize; if (HEADBlockEnabled == true) { inputDataPos += 2 * headerSize; referenceDataPos += 2 * headerSize; }
return pos; // Bytes read return inputDataPos; // Bytes read
} }
void enableStateBlock(const std::string& block) void enableStateBlock(const std::string& block)

11
source/quickerNES/core/emu.hpp
View File

@ -45,9 +45,14 @@ class Emu
const uint8_t *getHostPixels() const { return emu.ppu.host_pixels; } const uint8_t *getHostPixels() const { return emu.ppu.host_pixels; }
// Save emulator state variants // Save emulator state variants
size_t serializeState(uint8_t *buffer) const { return emu.serializeState(buffer); } size_t serializeState(uint8_t *buffer) const { return emu.serializeState(buffer, false); }
size_t deserializeState(const uint8_t *buffer) { return emu.deserializeState(buffer); } size_t deserializeState(const uint8_t *buffer) { return emu.deserializeState(buffer, false); }
size_t getStateSize() const { return emu.serializeState(nullptr); } size_t getStateSize() const { return emu.serializeState(nullptr, false); }
size_t serializeDifferentialState(uint8_t* __restrict__ outputData, const uint8_t* __restrict__ referenceData, const size_t outputMaxSize, const bool useZlib) const { return emu.serializeState(outputData, true, referenceData, outputMaxSize, useZlib); }
size_t deserializeDifferentialState(const uint8_t* __restrict__ inputStateData, const uint8_t* __restrict__ referenceData, const bool useZlib) { return emu.deserializeState(inputStateData, true, referenceData, useZlib); }
size_t getDifferentialStateSize() const { return emu.serializeState(nullptr, true, nullptr, 0, false); }
void enableStateBlock(const std::string& block) { emu.enableStateBlock(block); }; void enableStateBlock(const std::string& block) { emu.enableStateBlock(block); };
void disableStateBlock(const std::string& block) { emu.disableStateBlock(block); }; void disableStateBlock(const std::string& block) { emu.disableStateBlock(block); };

9
source/quickerNES/nesInstance.hpp
View File

@ -28,6 +28,15 @@ class NESInstance final : public NESInstanceBase
void deserializeState(const uint8_t *state) override { _nes.deserializeState(state); } void deserializeState(const uint8_t *state) override { _nes.deserializeState(state); }
size_t getStateSize() const override { return _nes.getStateSize(); } size_t getStateSize() const override { return _nes.getStateSize(); }
size_t serializeDifferentialState(uint8_t *differentialData, const uint8_t* referenceData, const size_t maxSize, const bool useZlib) const override
{ return _nes.serializeDifferentialState(differentialData, referenceData, maxSize, useZlib); }
void deserializeDifferentialState(const uint8_t *differentialData, const uint8_t* referenceData, const bool useZlib) override
{ _nes.deserializeDifferentialState(differentialData, referenceData, useZlib); }
size_t getDifferentialStateSize() const override
{ return _nes.getDifferentialStateSize(); }
std::string getCoreName() const override { return "QuickerNES"; } std::string getCoreName() const override { return "QuickerNES"; }
void doSoftReset() override { _nes.reset(false); } void doSoftReset() override { _nes.reset(false); }

82
source/tester.cpp
View File

@ -93,6 +93,23 @@ int main(int argc, char *argv[])
if (scriptJson["Controller 2 Type"].is_string() == false) EXIT_WITH_ERROR("Script file 'Controller 2 Type' entry is not a string\n"); if (scriptJson["Controller 2 Type"].is_string() == false) EXIT_WITH_ERROR("Script file 'Controller 2 Type' entry is not a string\n");
std::string controller2Type = scriptJson["Controller 2 Type"].get<std::string>(); std::string controller2Type = scriptJson["Controller 2 Type"].get<std::string>();
// Getting differential compression configuration
if (scriptJson.contains("Differential Compression") == false) EXIT_WITH_ERROR("Script file missing 'Differential Compression' entry\n");
if (scriptJson["Differential Compression"].is_object() == false) EXIT_WITH_ERROR("Script file 'Differential Compression' entry is not a key/value object\n");
const auto& differentialCompressionJs = scriptJson["Differential Compression"];
if (differentialCompressionJs.contains("Enabled") == false) EXIT_WITH_ERROR("Script file missing 'Differential Compression / Enabled' entry\n");
if (differentialCompressionJs["Enabled"].is_boolean() == false) EXIT_WITH_ERROR("Script file 'Differential Compression / Enabled' entry is not a boolean\n");
const auto differentialCompressionEnabled = differentialCompressionJs["Enabled"].get<bool>();
if (differentialCompressionJs.contains("Max Differences") == false) EXIT_WITH_ERROR("Script file missing 'Differential Compression / Max Differences' entry\n");
if (differentialCompressionJs["Max Differences"].is_number() == false) EXIT_WITH_ERROR("Script file 'Differential Compression / Max Differences' entry is not a number\n");
const auto differentialCompressionMaxDifferences = differentialCompressionJs["Max Differences"].get<size_t>();
if (differentialCompressionJs.contains("Use Zlib") == false) EXIT_WITH_ERROR("Script file missing 'Differential Compression / Use Zlib' entry\n");
if (differentialCompressionJs["Use Zlib"].is_boolean() == false) EXIT_WITH_ERROR("Script file 'Differential Compression / Use Zlib' entry is not a boolean\n");
const auto differentialCompressionUseZlib = differentialCompressionJs["Use Zlib"].get<bool>();
// Creating emulator instance // Creating emulator instance
NESInstance e; NESInstance e;
@ -125,6 +142,10 @@ int main(int argc, char *argv[])
// Getting state size // Getting state size
const auto stateSize = e.getStateSize(); const auto stateSize = e.getStateSize();
// Getting differential state size
const auto fixedDiferentialStateSize = e.getDifferentialStateSize();
const auto fullDifferentialStateSize = fixedDiferentialStateSize + differentialCompressionMaxDifferences;
// Checking with the expected SHA1 hash // Checking with the expected SHA1 hash
if (romSHA1 != expectedROMSHA1) EXIT_WITH_ERROR("Wrong ROM SHA1. Found: '%s', Expected: '%s'\n", romSHA1.c_str(), expectedROMSHA1.c_str()); if (romSHA1 != expectedROMSHA1) EXIT_WITH_ERROR("Wrong ROM SHA1. Found: '%s', Expected: '%s'\n", romSHA1.c_str(), expectedROMSHA1.c_str());
@ -143,15 +164,23 @@ int main(int argc, char *argv[])
// Printing test information // Printing test information
printf("[] -----------------------------------------\n"); printf("[] -----------------------------------------\n");
printf("[] Running Script: '%s'\n", scriptFilePath.c_str()); printf("[] Running Script: '%s'\n", scriptFilePath.c_str());
printf("[] Cycle Type: '%s'\n", cycleType.c_str()); printf("[] Cycle Type: '%s'\n", cycleType.c_str());
printf("[] Emulation Core: '%s'\n", emulationCoreName.c_str()); printf("[] Emulation Core: '%s'\n", emulationCoreName.c_str());
printf("[] ROM File: '%s'\n", romFilePath.c_str()); printf("[] ROM File: '%s'\n", romFilePath.c_str());
printf("[] Controller Types: '%s' / '%s'\n", controller1Type.c_str(), controller2Type.c_str()); printf("[] Controller Types: '%s' / '%s'\n", controller1Type.c_str(), controller2Type.c_str());
//printf("[] ROM SHA1: '%s'\n", romSHA1.c_str()); printf("[] ROM Hash: 'SHA1: %s'\n", romSHA1.c_str());
printf("[] Sequence File: '%s'\n", sequenceFilePath.c_str()); printf("[] Sequence File: '%s'\n", sequenceFilePath.c_str());
printf("[] Sequence Length: %lu\n", sequenceLength); printf("[] Sequence Length: %lu\n", sequenceLength);
printf("[] State Size: %lu bytes - Disabled Blocks: [ %s ]\n", e.getStateSize(), stateDisabledBlocksOutput.c_str()); printf("[] State Size: %lu bytes - Disabled Blocks: [ %s ]\n", e.getStateSize(), stateDisabledBlocksOutput.c_str());
printf("[] Use Differential Compression: %s\n", differentialCompressionEnabled ? "true" : "false");
if (differentialCompressionEnabled == true)
{
printf("[] + Max Differences: %lu\n", differentialCompressionMaxDifferences);
printf("[] + Use Zlib: %s\n", differentialCompressionUseZlib ? "true" : "false");
printf("[] + Fixed Diff State Size: %lu\n", fixedDiferentialStateSize);
printf("[] + Full Diff State Size: %lu\n", fullDifferentialStateSize);
}
printf("[] ********** Running Test **********\n"); printf("[] ********** Running Test **********\n");
fflush(stdout); fflush(stdout);
@ -160,6 +189,15 @@ int main(int argc, char *argv[])
uint8_t *currentState = (uint8_t *)malloc(stateSize); uint8_t *currentState = (uint8_t *)malloc(stateSize);
e.serializeState(currentState); e.serializeState(currentState);
// Serializing differential state data (in case it's used)
uint8_t *differentialStateData = nullptr;
size_t differentialStateMaxSizeDetected = 0;
if (differentialCompressionEnabled == true)
{
differentialStateData = (uint8_t *)malloc(fullDifferentialStateSize);
differentialStateMaxSizeDetected = e.serializeDifferentialState(differentialStateData, currentState, fullDifferentialStateSize, differentialCompressionUseZlib);
}
// Check whether to perform each action // Check whether to perform each action
bool doPreAdvance = cycleType == "Full"; bool doPreAdvance = cycleType == "Full";
bool doDeserialize = cycleType == "Rerecord" || cycleType == "Full"; bool doDeserialize = cycleType == "Rerecord" || cycleType == "Full";
@ -170,9 +208,20 @@ int main(int argc, char *argv[])
for (const std::string &input : sequence) for (const std::string &input : sequence)
{ {
if (doPreAdvance == true) e.advanceState(input); if (doPreAdvance == true) e.advanceState(input);
if (doDeserialize == true) e.deserializeState(currentState);
if (doDeserialize == true)
{
if (differentialCompressionEnabled == true) e.deserializeDifferentialState(differentialStateData, currentState, differentialCompressionUseZlib);
if (differentialCompressionEnabled == false) e.deserializeState(currentState);
}
e.advanceState(input); e.advanceState(input);
if (doSerialize == true) e.serializeState(currentState);
if (doSerialize == true)
{
if (differentialCompressionEnabled == true) differentialStateMaxSizeDetected = std::max(differentialStateMaxSizeDetected, e.serializeDifferentialState(differentialStateData, currentState, fullDifferentialStateSize, differentialCompressionUseZlib));
if (differentialCompressionEnabled == false) e.serializeState(currentState);
}
} }
auto tf = std::chrono::high_resolution_clock::now(); auto tf = std::chrono::high_resolution_clock::now();
@ -188,10 +237,13 @@ int main(int argc, char *argv[])
sprintf(hashStringBuffer, "0x%lX%lX", result.first, result.second); sprintf(hashStringBuffer, "0x%lX%lX", result.first, result.second);
// Printing time information // Printing time information
printf("[] Elapsed time: %3.3fs\n", (double)dt * 1.0e-9); printf("[] Elapsed time: %3.3fs\n", (double)dt * 1.0e-9);
printf("[] Performance: %.3f inputs / s\n", (double)sequenceLength / elapsedTimeSeconds); printf("[] Performance: %.3f inputs / s\n", (double)sequenceLength / elapsedTimeSeconds);
printf("[] Final State Hash: %s\n", hashStringBuffer); printf("[] Final State Hash: %s\n", hashStringBuffer);
if (differentialCompressionEnabled == true)
{
printf("[] Differential State Max Size Detected: %lu\n", differentialStateMaxSizeDetected);
}
// If saving hash, do it now // If saving hash, do it now
if (hashOutputFile != "") saveStringToFile(std::string(hashStringBuffer), hashOutputFile.c_str()); if (hashOutputFile != "") saveStringToFile(std::string(hashStringBuffer), hashOutputFile.c_str());

8
tests/ironSword.anyPercent.test
View File

@ -5,5 +5,11 @@
"Sequence File": "ironSword.anyPercent.sol", "Sequence File": "ironSword.anyPercent.sol",
"Disable State Blocks": [ "HEAD", "SRAM", "CHRR", "NTAB", "SPRT", "CTRL" ], "Disable State Blocks": [ "HEAD", "SRAM", "CHRR", "NTAB", "SPRT", "CTRL" ],
"Controller 1 Type": "Joypad", "Controller 1 Type": "Joypad",
"Controller 2 Type": "None" "Controller 2 Type": "None",
"Differential Compression":
{
"Enabled": false,
"Max Differences": 2200,
"Use Zlib": true
}
} }