Upgrade zlib to version 1.3.1

This commit is contained in:
Fanatic-64 2024-12-21 10:02:00 +00:00
parent 7e74b98d5b
commit fb1b8c07ec
39 changed files with 12757 additions and 3621 deletions

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@ -1,6 +1,109 @@
ChangeLog file for zlib ChangeLog file for zlib
Changes in 1.3.1 (22 Jan 2024)
- Reject overflows of zip header fields in minizip
- Fix bug in inflateSync() for data held in bit buffer
- Add LIT_MEM define to use more memory for a small deflate speedup
- Fix decision on the emission of Zip64 end records in minizip
- Add bounds checking to ERR_MSG() macro, used by zError()
- Neutralize zip file traversal attacks in miniunz
- Fix a bug in ZLIB_DEBUG compiles in check_match()
- Various portability and appearance improvements
Changes in 1.3 (18 Aug 2023)
- Remove K&R function definitions and zlib2ansi
- Fix bug in deflateBound() for level 0 and memLevel 9
- Fix bug when gzungetc() is used immediately after gzopen()
- Fix bug when using gzflush() with a very small buffer
- Fix crash when gzsetparams() attempted for transparent write
- Fix test/example.c to work with FORCE_STORED
- Rewrite of zran in examples (see zran.c version history)
- Fix minizip to allow it to open an empty zip file
- Fix reading disk number start on zip64 files in minizip
- Fix logic error in minizip argument processing
- Add minizip testing to Makefile
- Read multiple bytes instead of byte-by-byte in minizip unzip.c
- Add memory sanitizer to configure (--memory)
- Various portability improvements
- Various documentation improvements
- Various spelling and typo corrections
Changes in 1.2.13 (13 Oct 2022)
- Fix configure issue that discarded provided CC definition
- Correct incorrect inputs provided to the CRC functions
- Repair prototypes and exporting of new CRC functions
- Fix inflateBack to detect invalid input with distances too far
- Have infback() deliver all of the available output up to any error
- Fix a bug when getting a gzip header extra field with inflate()
- Fix bug in block type selection when Z_FIXED used
- Tighten deflateBound bounds
- Remove deleted assembler code references
- Various portability and appearance improvements
Changes in 1.2.12 (27 Mar 2022)
- Cygwin does not have _wopen(), so do not create gzopen_w() there
- Permit a deflateParams() parameter change as soon as possible
- Limit hash table inserts after switch from stored deflate
- Fix bug when window full in deflate_stored()
- Fix CLEAR_HASH macro to be usable as a single statement
- Avoid a conversion error in gzseek when off_t type too small
- Have Makefile return non-zero error code on test failure
- Avoid some conversion warnings in gzread.c and gzwrite.c
- Update use of errno for newer Windows CE versions
- Small speedup to inflate [psumbera]
- Return an error if the gzputs string length can't fit in an int
- Add address checking in clang to -w option of configure
- Don't compute check value for raw inflate if asked to validate
- Handle case where inflateSync used when header never processed
- Avoid the use of ptrdiff_t
- Avoid an undefined behavior of memcpy() in gzappend()
- Avoid undefined behaviors of memcpy() in gz*printf()
- Avoid an undefined behavior of memcpy() in _tr_stored_block()
- Make the names in functions declarations identical to definitions
- Remove old assembler code in which bugs have manifested
- Fix deflateEnd() to not report an error at start of raw deflate
- Add legal disclaimer to README
- Emphasize the need to continue decompressing gzip members
- Correct the initialization requirements for deflateInit2()
- Fix a bug that can crash deflate on some input when using Z_FIXED
- Assure that the number of bits for deflatePrime() is valid
- Use a structure to make globals in enough.c evident
- Use a macro for the printf format of big_t in enough.c
- Clean up code style in enough.c, update version
- Use inline function instead of macro for index in enough.c
- Clarify that prefix codes are counted in enough.c
- Show all the codes for the maximum tables size in enough.c
- Add gznorm.c example, which normalizes gzip files
- Fix the zran.c example to work on a multiple-member gzip file
- Add tables for crc32_combine(), to speed it up by a factor of 200
- Add crc32_combine_gen() and crc32_combine_op() for fast combines
- Speed up software CRC-32 computation by a factor of 1.5 to 3
- Use atomic test and set, if available, for dynamic CRC tables
- Don't bother computing check value after successful inflateSync()
- Correct comment in crc32.c
- Add use of the ARMv8 crc32 instructions when requested
- Use ARM crc32 instructions if the ARM architecture has them
- Explicitly note that the 32-bit check values are 32 bits
- Avoid adding empty gzip member after gzflush with Z_FINISH
- Fix memory leak on error in gzlog.c
- Fix error in comment on the polynomial representation of a byte
- Clarify gz* function interfaces, referring to parameter names
- Change macro name in inflate.c to avoid collision in VxWorks
- Correct typo in blast.c
- Improve portability of contrib/minizip
- Fix indentation in minizip's zip.c
- Replace black/white with allow/block. (theresa-m)
- minizip warning fix if MAXU32 already defined. (gvollant)
- Fix unztell64() in minizip to work past 4GB. (Daniël Hörchner)
- Clean up minizip to reduce warnings for testing
- Add fallthrough comments for gcc
- Eliminate use of ULL constants
- Separate out address sanitizing from warnings in configure
- Remove destructive aspects of make distclean
- Check for cc masquerading as gcc or clang in configure
- Fix crc32.c to compile local functions only if used
Changes in 1.2.11 (15 Jan 2017) Changes in 1.2.11 (15 Jan 2017)
- Fix deflate stored bug when pulling last block from window - Fix deflate stored bug when pulling last block from window
- Permit immediate deflateParams changes before any deflate input - Permit immediate deflateParams changes before any deflate input
@ -96,7 +199,7 @@ Changes in 1.2.7.1 (24 Mar 2013)
- Fix types in contrib/minizip to match result of get_crc_table() - Fix types in contrib/minizip to match result of get_crc_table()
- Simplify contrib/vstudio/vc10 with 'd' suffix - Simplify contrib/vstudio/vc10 with 'd' suffix
- Add TOP support to win32/Makefile.msc - Add TOP support to win32/Makefile.msc
- Suport i686 and amd64 assembler builds in CMakeLists.txt - Support i686 and amd64 assembler builds in CMakeLists.txt
- Fix typos in the use of _LARGEFILE64_SOURCE in zconf.h - Fix typos in the use of _LARGEFILE64_SOURCE in zconf.h
- Add vc11 and vc12 build files to contrib/vstudio - Add vc11 and vc12 build files to contrib/vstudio
- Add gzvprintf() as an undocumented function in zlib - Add gzvprintf() as an undocumented function in zlib
@ -296,14 +399,14 @@ Changes in 1.2.5.1 (10 Sep 2011)
- Use u4 type for crc_table to avoid conversion warnings - Use u4 type for crc_table to avoid conversion warnings
- Apply casts in zlib.h to avoid conversion warnings - Apply casts in zlib.h to avoid conversion warnings
- Add OF to prototypes for adler32_combine_ and crc32_combine_ [Miller] - Add OF to prototypes for adler32_combine_ and crc32_combine_ [Miller]
- Improve inflateSync() documentation to note indeterminancy - Improve inflateSync() documentation to note indeterminacy
- Add deflatePending() function to return the amount of pending output - Add deflatePending() function to return the amount of pending output
- Correct the spelling of "specification" in FAQ [Randers-Pehrson] - Correct the spelling of "specification" in FAQ [Randers-Pehrson]
- Add a check in configure for stdarg.h, use for gzprintf() - Add a check in configure for stdarg.h, use for gzprintf()
- Check that pointers fit in ints when gzprint() compiled old style - Check that pointers fit in ints when gzprint() compiled old style
- Add dummy name before $(SHAREDLIBV) in Makefile [Bar-Lev, Bowler] - Add dummy name before $(SHAREDLIBV) in Makefile [Bar-Lev, Bowler]
- Delete line in configure that adds -L. libz.a to LDFLAGS [Weigelt] - Delete line in configure that adds -L. libz.a to LDFLAGS [Weigelt]
- Add debug records in assmebler code [Londer] - Add debug records in assembler code [Londer]
- Update RFC references to use http://tools.ietf.org/html/... [Li] - Update RFC references to use http://tools.ietf.org/html/... [Li]
- Add --archs option, use of libtool to configure for Mac OS X [Borstel] - Add --archs option, use of libtool to configure for Mac OS X [Borstel]
@ -511,7 +614,7 @@ Changes in 1.2.3.5 (8 Jan 2010)
- Don't use _vsnprintf on later versions of MSVC [Lowman] - Don't use _vsnprintf on later versions of MSVC [Lowman]
- Add CMake build script and input file [Lowman] - Add CMake build script and input file [Lowman]
- Update contrib/minizip to 1.1 [Svensson, Vollant] - Update contrib/minizip to 1.1 [Svensson, Vollant]
- Moved nintendods directory from contrib to . - Moved nintendods directory from contrib to root
- Replace gzio.c with a new set of routines with the same functionality - Replace gzio.c with a new set of routines with the same functionality
- Add gzbuffer(), gzoffset(), gzclose_r(), gzclose_w() as part of above - Add gzbuffer(), gzoffset(), gzclose_r(), gzclose_w() as part of above
- Update contrib/minizip to 1.1b - Update contrib/minizip to 1.1b
@ -685,7 +788,7 @@ Changes in 1.2.2.4 (11 July 2005)
- Be more strict on incomplete code sets in inflate_table() and increase - Be more strict on incomplete code sets in inflate_table() and increase
ENOUGH and MAXD -- this repairs a possible security vulnerability for ENOUGH and MAXD -- this repairs a possible security vulnerability for
invalid inflate input. Thanks to Tavis Ormandy and Markus Oberhumer for invalid inflate input. Thanks to Tavis Ormandy and Markus Oberhumer for
discovering the vulnerability and providing test cases. discovering the vulnerability and providing test cases
- Add ia64 support to configure for HP-UX [Smith] - Add ia64 support to configure for HP-UX [Smith]
- Add error return to gzread() for format or i/o error [Levin] - Add error return to gzread() for format or i/o error [Levin]
- Use malloc.h for OS/2 [Necasek] - Use malloc.h for OS/2 [Necasek]
@ -721,7 +824,7 @@ Changes in 1.2.2.2 (30 December 2004)
- Add Z_FIXED strategy option to deflateInit2() to force fixed trees - Add Z_FIXED strategy option to deflateInit2() to force fixed trees
- Add updated make_vms.com [Coghlan], update README - Add updated make_vms.com [Coghlan], update README
- Create a new "examples" directory, move gzappend.c there, add zpipe.c, - Create a new "examples" directory, move gzappend.c there, add zpipe.c,
fitblk.c, gzlog.[ch], gzjoin.c, and zlib_how.html. fitblk.c, gzlog.[ch], gzjoin.c, and zlib_how.html
- Add FAQ entry and comments in deflate.c on uninitialized memory access - Add FAQ entry and comments in deflate.c on uninitialized memory access
- Add Solaris 9 make options in configure [Gilbert] - Add Solaris 9 make options in configure [Gilbert]
- Allow strerror() usage in gzio.c for STDC - Allow strerror() usage in gzio.c for STDC
@ -792,7 +895,7 @@ Changes in 1.2.1.1 (9 January 2004)
- Fix a big fat bug in inftrees.c that prevented decoding valid - Fix a big fat bug in inftrees.c that prevented decoding valid
dynamic blocks with only literals and no distance codes -- dynamic blocks with only literals and no distance codes --
Thanks to "Hot Emu" for the bug report and sample file Thanks to "Hot Emu" for the bug report and sample file
- Add a note to puff.c on no distance codes case. - Add a note to puff.c on no distance codes case
Changes in 1.2.1 (17 November 2003) Changes in 1.2.1 (17 November 2003)
- Remove a tab in contrib/gzappend/gzappend.c - Remove a tab in contrib/gzappend/gzappend.c
@ -970,7 +1073,7 @@ Changes in 1.2.0.1 (17 March 2003)
- Include additional header file on VMS for off_t typedef - Include additional header file on VMS for off_t typedef
- Try to use _vsnprintf where it supplants vsprintf [Vollant] - Try to use _vsnprintf where it supplants vsprintf [Vollant]
- Add some casts in inffast.c - Add some casts in inffast.c
- Enchance comments in zlib.h on what happens if gzprintf() tries to - Enhance comments in zlib.h on what happens if gzprintf() tries to
write more than 4095 bytes before compression write more than 4095 bytes before compression
- Remove unused state from inflateBackEnd() - Remove unused state from inflateBackEnd()
- Remove exit(0) from minigzip.c, example.c - Remove exit(0) from minigzip.c, example.c
@ -1036,14 +1139,14 @@ Changes in 1.2.0 (9 March 2003)
- Add contrib/puff/ simple inflate for deflate format description - Add contrib/puff/ simple inflate for deflate format description
Changes in 1.1.4 (11 March 2002) Changes in 1.1.4 (11 March 2002)
- ZFREE was repeated on same allocation on some error conditions. - ZFREE was repeated on same allocation on some error conditions
This creates a security problem described in This creates a security problem described in
http://www.zlib.org/advisory-2002-03-11.txt http://www.zlib.org/advisory-2002-03-11.txt
- Returned incorrect error (Z_MEM_ERROR) on some invalid data - Returned incorrect error (Z_MEM_ERROR) on some invalid data
- Avoid accesses before window for invalid distances with inflate window - Avoid accesses before window for invalid distances with inflate window
less than 32K. less than 32K
- force windowBits > 8 to avoid a bug in the encoder for a window size - force windowBits > 8 to avoid a bug in the encoder for a window size
of 256 bytes. (A complete fix will be available in 1.1.5). of 256 bytes. (A complete fix will be available in 1.1.5)
Changes in 1.1.3 (9 July 1998) Changes in 1.1.3 (9 July 1998)
- fix "an inflate input buffer bug that shows up on rare but persistent - fix "an inflate input buffer bug that shows up on rare but persistent
@ -1117,7 +1220,7 @@ Changes in 1.1.1 (27 Feb 98)
- remove block truncation heuristic which had very marginal effect for zlib - remove block truncation heuristic which had very marginal effect for zlib
(smaller lit_bufsize than in gzip 1.2.4) and degraded a little the (smaller lit_bufsize than in gzip 1.2.4) and degraded a little the
compression ratio on some files. This also allows inlining _tr_tally for compression ratio on some files. This also allows inlining _tr_tally for
matches in deflate_slow. matches in deflate_slow
- added msdos/Makefile.w32 for WIN32 Microsoft Visual C++ (Bob Frazier) - added msdos/Makefile.w32 for WIN32 Microsoft Visual C++ (Bob Frazier)
Changes in 1.1.0 (24 Feb 98) Changes in 1.1.0 (24 Feb 98)
@ -1148,7 +1251,7 @@ Changes in 1.0.9 (17 Feb 1998)
- Avoid gcc 2.8.0 comparison bug a little differently than zlib 1.0.8 - Avoid gcc 2.8.0 comparison bug a little differently than zlib 1.0.8
- in inftrees.c, avoid cc -O bug on HP (Farshid Elahi) - in inftrees.c, avoid cc -O bug on HP (Farshid Elahi)
- in zconf.h move the ZLIB_DLL stuff earlier to avoid problems with - in zconf.h move the ZLIB_DLL stuff earlier to avoid problems with
the declaration of FAR (Gilles VOllant) the declaration of FAR (Gilles Vollant)
- install libz.so* with mode 755 (executable) instead of 644 (Marc Lehmann) - install libz.so* with mode 755 (executable) instead of 644 (Marc Lehmann)
- read_buf buf parameter of type Bytef* instead of charf* - read_buf buf parameter of type Bytef* instead of charf*
- zmemcpy parameters are of type Bytef*, not charf* (Joseph Strout) - zmemcpy parameters are of type Bytef*, not charf* (Joseph Strout)
@ -1162,7 +1265,7 @@ Changes in 1.0.8 (27 Jan 1998)
- include sys/types.h to get off_t on some systems (Marc Lehmann & QingLong) - include sys/types.h to get off_t on some systems (Marc Lehmann & QingLong)
- use constant arrays for the static trees in trees.c instead of computing - use constant arrays for the static trees in trees.c instead of computing
them at run time (thanks to Ken Raeburn for this suggestion). To create them at run time (thanks to Ken Raeburn for this suggestion). To create
trees.h, compile with GEN_TREES_H and run "make test". trees.h, compile with GEN_TREES_H and run "make test"
- check return code of example in "make test" and display result - check return code of example in "make test" and display result
- pass minigzip command line options to file_compress - pass minigzip command line options to file_compress
- simplifying code of inflateSync to avoid gcc 2.8 bug - simplifying code of inflateSync to avoid gcc 2.8 bug
@ -1201,12 +1304,12 @@ Changes in 1.0.6 (19 Jan 1998)
- add functions gzprintf, gzputc, gzgetc, gztell, gzeof, gzseek, gzrewind and - add functions gzprintf, gzputc, gzgetc, gztell, gzeof, gzseek, gzrewind and
gzsetparams (thanks to Roland Giersig and Kevin Ruland for some of this code) gzsetparams (thanks to Roland Giersig and Kevin Ruland for some of this code)
- Fix a deflate bug occurring only with compression level 0 (thanks to - Fix a deflate bug occurring only with compression level 0 (thanks to
Andy Buckler for finding this one). Andy Buckler for finding this one)
- In minigzip, pass transparently also the first byte for .Z files. - In minigzip, pass transparently also the first byte for .Z files
- return Z_BUF_ERROR instead of Z_OK if output buffer full in uncompress() - return Z_BUF_ERROR instead of Z_OK if output buffer full in uncompress()
- check Z_FINISH in inflate (thanks to Marc Schluper) - check Z_FINISH in inflate (thanks to Marc Schluper)
- Implement deflateCopy (thanks to Adam Costello) - Implement deflateCopy (thanks to Adam Costello)
- make static libraries by default in configure, add --shared option. - make static libraries by default in configure, add --shared option
- move MSDOS or Windows specific files to directory msdos - move MSDOS or Windows specific files to directory msdos
- suppress the notion of partial flush to simplify the interface - suppress the notion of partial flush to simplify the interface
(but the symbol Z_PARTIAL_FLUSH is kept for compatibility with 1.0.4) (but the symbol Z_PARTIAL_FLUSH is kept for compatibility with 1.0.4)
@ -1218,7 +1321,7 @@ Changes in 1.0.6 (19 Jan 1998)
- added Makefile.nt (thanks to Stephen Williams) - added Makefile.nt (thanks to Stephen Williams)
- added the unsupported "contrib" directory: - added the unsupported "contrib" directory:
contrib/asm386/ by Gilles Vollant <info@winimage.com> contrib/asm386/ by Gilles Vollant <info@winimage.com>
386 asm code replacing longest_match(). 386 asm code replacing longest_match()
contrib/iostream/ by Kevin Ruland <kevin@rodin.wustl.edu> contrib/iostream/ by Kevin Ruland <kevin@rodin.wustl.edu>
A C++ I/O streams interface to the zlib gz* functions A C++ I/O streams interface to the zlib gz* functions
contrib/iostream2/ by Tyge Løvset <Tyge.Lovset@cmr.no> contrib/iostream2/ by Tyge Løvset <Tyge.Lovset@cmr.no>
@ -1226,7 +1329,7 @@ Changes in 1.0.6 (19 Jan 1998)
contrib/untgz/ by "Pedro A. Aranda Guti\irrez" <paag@tid.es> contrib/untgz/ by "Pedro A. Aranda Guti\irrez" <paag@tid.es>
A very simple tar.gz file extractor using zlib A very simple tar.gz file extractor using zlib
contrib/visual-basic.txt by Carlos Rios <c_rios@sonda.cl> contrib/visual-basic.txt by Carlos Rios <c_rios@sonda.cl>
How to use compress(), uncompress() and the gz* functions from VB. How to use compress(), uncompress() and the gz* functions from VB
- pass params -f (filtered data), -h (huffman only), -1 to -9 (compression - pass params -f (filtered data), -h (huffman only), -1 to -9 (compression
level) in minigzip (thanks to Tom Lane) level) in minigzip (thanks to Tom Lane)
@ -1235,8 +1338,8 @@ Changes in 1.0.6 (19 Jan 1998)
- add undocumented function inflateSyncPoint() (hack for Paul Mackerras) - add undocumented function inflateSyncPoint() (hack for Paul Mackerras)
- add undocumented function zError to convert error code to string - add undocumented function zError to convert error code to string
(for Tim Smithers) (for Tim Smithers)
- Allow compilation of gzio with -DNO_DEFLATE to avoid the compression code. - Allow compilation of gzio with -DNO_DEFLATE to avoid the compression code
- Use default memcpy for Symantec MSDOS compiler. - Use default memcpy for Symantec MSDOS compiler
- Add EXPORT keyword for check_func (needed for Windows DLL) - Add EXPORT keyword for check_func (needed for Windows DLL)
- add current directory to LD_LIBRARY_PATH for "make test" - add current directory to LD_LIBRARY_PATH for "make test"
- create also a link for libz.so.1 - create also a link for libz.so.1
@ -1249,7 +1352,7 @@ Changes in 1.0.6 (19 Jan 1998)
- allow compilation with ANSI keywords only enabled for TurboC in large model - allow compilation with ANSI keywords only enabled for TurboC in large model
- avoid "versionString"[0] (Borland bug) - avoid "versionString"[0] (Borland bug)
- add NEED_DUMMY_RETURN for Borland - add NEED_DUMMY_RETURN for Borland
- use variable z_verbose for tracing in debug mode (L. Peter Deutsch). - use variable z_verbose for tracing in debug mode (L. Peter Deutsch)
- allow compilation with CC - allow compilation with CC
- defined STDC for OS/2 (David Charlap) - defined STDC for OS/2 (David Charlap)
- limit external names to 8 chars for MVS (Thomas Lund) - limit external names to 8 chars for MVS (Thomas Lund)
@ -1259,7 +1362,7 @@ Changes in 1.0.6 (19 Jan 1998)
- use _fdopen instead of fdopen for MSC >= 6.0 (Thomas Fanslau) - use _fdopen instead of fdopen for MSC >= 6.0 (Thomas Fanslau)
- added makelcc.bat for lcc-win32 (Tom St Denis) - added makelcc.bat for lcc-win32 (Tom St Denis)
- in Makefile.dj2, use copy and del instead of install and rm (Frank Donahoe) - in Makefile.dj2, use copy and del instead of install and rm (Frank Donahoe)
- Avoid expanded $Id$. Use "rcs -kb" or "cvs admin -kb" to avoid Id expansion. - Avoid expanded $Id$. Use "rcs -kb" or "cvs admin -kb" to avoid Id expansion
- check for unistd.h in configure (for off_t) - check for unistd.h in configure (for off_t)
- remove useless check parameter in inflate_blocks_free - remove useless check parameter in inflate_blocks_free
- avoid useless assignment of s->check to itself in inflate_blocks_new - avoid useless assignment of s->check to itself in inflate_blocks_new
@ -1280,7 +1383,7 @@ Changes in 1.0.5 (3 Jan 98)
Changes in 1.0.4 (24 Jul 96) Changes in 1.0.4 (24 Jul 96)
- In very rare conditions, deflate(s, Z_FINISH) could fail to produce an EOF - In very rare conditions, deflate(s, Z_FINISH) could fail to produce an EOF
bit, so the decompressor could decompress all the correct data but went bit, so the decompressor could decompress all the correct data but went
on to attempt decompressing extra garbage data. This affected minigzip too. on to attempt decompressing extra garbage data. This affected minigzip too
- zlibVersion and gzerror return const char* (needed for DLL) - zlibVersion and gzerror return const char* (needed for DLL)
- port to RISCOS (no fdopen, no multiple dots, no unlink, no fileno) - port to RISCOS (no fdopen, no multiple dots, no unlink, no fileno)
- use z_error only for DEBUG (avoid problem with DLLs) - use z_error only for DEBUG (avoid problem with DLLs)
@ -1310,7 +1413,7 @@ Changes in 1.0.1 (20 May 96) [1.0 skipped to avoid confusion]
- fix array overlay in deflate.c which sometimes caused bad compressed data - fix array overlay in deflate.c which sometimes caused bad compressed data
- fix inflate bug with empty stored block - fix inflate bug with empty stored block
- fix MSDOS medium model which was broken in 0.99 - fix MSDOS medium model which was broken in 0.99
- fix deflateParams() which could generate bad compressed data. - fix deflateParams() which could generate bad compressed data
- Bytef is define'd instead of typedef'ed (work around Borland bug) - Bytef is define'd instead of typedef'ed (work around Borland bug)
- added an INDEX file - added an INDEX file
- new makefiles for DJGPP (Makefile.dj2), 32-bit Borland (Makefile.b32), - new makefiles for DJGPP (Makefile.dj2), 32-bit Borland (Makefile.b32),
@ -1331,7 +1434,7 @@ Changes in 0.99 (27 Jan 96)
- allow preset dictionary shared between compressor and decompressor - allow preset dictionary shared between compressor and decompressor
- allow compression level 0 (no compression) - allow compression level 0 (no compression)
- add deflateParams in zlib.h: allow dynamic change of compression level - add deflateParams in zlib.h: allow dynamic change of compression level
and compression strategy. and compression strategy
- test large buffers and deflateParams in example.c - test large buffers and deflateParams in example.c
- add optional "configure" to build zlib as a shared library - add optional "configure" to build zlib as a shared library
- suppress Makefile.qnx, use configure instead - suppress Makefile.qnx, use configure instead
@ -1370,33 +1473,33 @@ Changes in 0.99 (27 Jan 96)
- fix typo in Make_vms.com (f$trnlnm -> f$getsyi) - fix typo in Make_vms.com (f$trnlnm -> f$getsyi)
- in fcalloc, normalize pointer if size > 65520 bytes - in fcalloc, normalize pointer if size > 65520 bytes
- don't use special fcalloc for 32 bit Borland C++ - don't use special fcalloc for 32 bit Borland C++
- use STDC instead of __GO32__ to avoid redeclaring exit, calloc, etc... - use STDC instead of __GO32__ to avoid redeclaring exit, calloc, etc.
- use Z_BINARY instead of BINARY - use Z_BINARY instead of BINARY
- document that gzclose after gzdopen will close the file - document that gzclose after gzdopen will close the file
- allow "a" as mode in gzopen. - allow "a" as mode in gzopen
- fix error checking in gzread - fix error checking in gzread
- allow skipping .gz extra-field on pipes - allow skipping .gz extra-field on pipes
- added reference to Perl interface in README - added reference to Perl interface in README
- put the crc table in FAR data (I dislike more and more the medium model :) - put the crc table in FAR data (I dislike more and more the medium model :)
- added get_crc_table - added get_crc_table
- added a dimension to all arrays (Borland C can't count). - added a dimension to all arrays (Borland C can't count)
- workaround Borland C bug in declaration of inflate_codes_new & inflate_fast - workaround Borland C bug in declaration of inflate_codes_new & inflate_fast
- guard against multiple inclusion of *.h (for precompiled header on Mac) - guard against multiple inclusion of *.h (for precompiled header on Mac)
- Watcom C pretends to be Microsoft C small model even in 32 bit mode. - Watcom C pretends to be Microsoft C small model even in 32 bit mode
- don't use unsized arrays to avoid silly warnings by Visual C++: - don't use unsized arrays to avoid silly warnings by Visual C++:
warning C4746: 'inflate_mask' : unsized array treated as '__far' warning C4746: 'inflate_mask' : unsized array treated as '__far'
(what's wrong with far data in far model?). (what's wrong with far data in far model?)
- define enum out of inflate_blocks_state to allow compilation with C++ - define enum out of inflate_blocks_state to allow compilation with C++
Changes in 0.95 (16 Aug 95) Changes in 0.95 (16 Aug 95)
- fix MSDOS small and medium model (now easier to adapt to any compiler) - fix MSDOS small and medium model (now easier to adapt to any compiler)
- inlined send_bits - inlined send_bits
- fix the final (:-) bug for deflate with flush (output was correct but - fix the final (:-) bug for deflate with flush (output was correct but
not completely flushed in rare occasions). not completely flushed in rare occasions)
- default window size is same for compression and decompression - default window size is same for compression and decompression
(it's now sufficient to set MAX_WBITS in zconf.h). (it's now sufficient to set MAX_WBITS in zconf.h)
- voidp -> voidpf and voidnp -> voidp (for consistency with other - voidp -> voidpf and voidnp -> voidp (for consistency with other
typedefs and because voidnp was not near in large model). typedefs and because voidnp was not near in large model)
Changes in 0.94 (13 Aug 95) Changes in 0.94 (13 Aug 95)
- support MSDOS medium model - support MSDOS medium model
@ -1405,12 +1508,12 @@ Changes in 0.94 (13 Aug 95)
- added support for VMS - added support for VMS
- allow a compression level in gzopen() - allow a compression level in gzopen()
- gzflush now calls fflush - gzflush now calls fflush
- For deflate with flush, flush even if no more input is provided. - For deflate with flush, flush even if no more input is provided
- rename libgz.a as libz.a - rename libgz.a as libz.a
- avoid complex expression in infcodes.c triggering Turbo C bug - avoid complex expression in infcodes.c triggering Turbo C bug
- work around a problem with gcc on Alpha (in INSERT_STRING) - work around a problem with gcc on Alpha (in INSERT_STRING)
- don't use inline functions (problem with some gcc versions) - don't use inline functions (problem with some gcc versions)
- allow renaming of Byte, uInt, etc... with #define. - allow renaming of Byte, uInt, etc... with #define
- avoid warning about (unused) pointer before start of array in deflate.c - avoid warning about (unused) pointer before start of array in deflate.c
- avoid various warnings in gzio.c, example.c, infblock.c, adler32.c, zutil.c - avoid various warnings in gzio.c, example.c, infblock.c, adler32.c, zutil.c
- avoid reserved word 'new' in trees.c - avoid reserved word 'new' in trees.c
@ -1429,7 +1532,7 @@ Changes in 0.92 (3 May 95)
- no memcpy on Pyramid - no memcpy on Pyramid
- suppressed inftest.c - suppressed inftest.c
- optimized fill_window, put longest_match inline for gcc - optimized fill_window, put longest_match inline for gcc
- optimized inflate on stored blocks. - optimized inflate on stored blocks
- untabify all sources to simplify patches - untabify all sources to simplify patches
Changes in 0.91 (2 May 95) Changes in 0.91 (2 May 95)
@ -1447,7 +1550,7 @@ Changes in 0.9 (1 May 95)
- let again gzread copy uncompressed data unchanged (was working in 0.71) - let again gzread copy uncompressed data unchanged (was working in 0.71)
- deflate(Z_FULL_FLUSH), inflateReset and inflateSync are now fully implemented - deflate(Z_FULL_FLUSH), inflateReset and inflateSync are now fully implemented
- added a test of inflateSync in example.c - added a test of inflateSync in example.c
- moved MAX_WBITS to zconf.h because users might want to change that. - moved MAX_WBITS to zconf.h because users might want to change that
- document explicitly that zalloc(64K) on MSDOS must return a normalized - document explicitly that zalloc(64K) on MSDOS must return a normalized
pointer (zero offset) pointer (zero offset)
- added Makefiles for Microsoft C, Turbo C, Borland C++ - added Makefiles for Microsoft C, Turbo C, Borland C++
@ -1456,7 +1559,7 @@ Changes in 0.9 (1 May 95)
Changes in 0.8 (29 April 95) Changes in 0.8 (29 April 95)
- added fast inflate (inffast.c) - added fast inflate (inffast.c)
- deflate(Z_FINISH) now returns Z_STREAM_END when done. Warning: this - deflate(Z_FINISH) now returns Z_STREAM_END when done. Warning: this
is incompatible with previous versions of zlib which returned Z_OK. is incompatible with previous versions of zlib which returned Z_OK
- work around a TurboC compiler bug (bad code for b << 0, see infutil.h) - work around a TurboC compiler bug (bad code for b << 0, see infutil.h)
(actually that was not a compiler bug, see 0.81 above) (actually that was not a compiler bug, see 0.81 above)
- gzread no longer reads one extra byte in certain cases - gzread no longer reads one extra byte in certain cases
@ -1466,50 +1569,50 @@ Changes in 0.8 (29 April 95)
Changes in 0.71 (14 April 95) Changes in 0.71 (14 April 95)
- Fixed more MSDOS compilation problems :( There is still a bug with - Fixed more MSDOS compilation problems :( There is still a bug with
TurboC large model. TurboC large model
Changes in 0.7 (14 April 95) Changes in 0.7 (14 April 95)
- Added full inflate support. - Added full inflate support
- Simplified the crc32() interface. The pre- and post-conditioning - Simplified the crc32() interface. The pre- and post-conditioning
(one's complement) is now done inside crc32(). WARNING: this is (one's complement) is now done inside crc32(). WARNING: this is
incompatible with previous versions; see zlib.h for the new usage. incompatible with previous versions; see zlib.h for the new usage
Changes in 0.61 (12 April 95) Changes in 0.61 (12 April 95)
- workaround for a bug in TurboC. example and minigzip now work on MSDOS. - workaround for a bug in TurboC. example and minigzip now work on MSDOS
Changes in 0.6 (11 April 95) Changes in 0.6 (11 April 95)
- added minigzip.c - added minigzip.c
- added gzdopen to reopen a file descriptor as gzFile - added gzdopen to reopen a file descriptor as gzFile
- added transparent reading of non-gziped files in gzread. - added transparent reading of non-gziped files in gzread
- fixed bug in gzread (don't read crc as data) - fixed bug in gzread (don't read crc as data)
- fixed bug in destroy (gzio.c) (don't return Z_STREAM_END for gzclose). - fixed bug in destroy (gzio.c) (don't return Z_STREAM_END for gzclose)
- don't allocate big arrays in the stack (for MSDOS) - don't allocate big arrays in the stack (for MSDOS)
- fix some MSDOS compilation problems - fix some MSDOS compilation problems
Changes in 0.5: Changes in 0.5:
- do real compression in deflate.c. Z_PARTIAL_FLUSH is supported but - do real compression in deflate.c. Z_PARTIAL_FLUSH is supported but
not yet Z_FULL_FLUSH. not yet Z_FULL_FLUSH
- support decompression but only in a single step (forced Z_FINISH) - support decompression but only in a single step (forced Z_FINISH)
- added opaque object for zalloc and zfree. - added opaque object for zalloc and zfree
- added deflateReset and inflateReset - added deflateReset and inflateReset
- added a variable zlib_version for consistency checking. - added a variable zlib_version for consistency checking
- renamed the 'filter' parameter of deflateInit2 as 'strategy'. - renamed the 'filter' parameter of deflateInit2 as 'strategy'
Added Z_FILTERED and Z_HUFFMAN_ONLY constants. Added Z_FILTERED and Z_HUFFMAN_ONLY constants
Changes in 0.4: Changes in 0.4:
- avoid "zip" everywhere, use zlib instead of ziplib. - avoid "zip" everywhere, use zlib instead of ziplib
- suppress Z_BLOCK_FLUSH, interpret Z_PARTIAL_FLUSH as block flush - suppress Z_BLOCK_FLUSH, interpret Z_PARTIAL_FLUSH as block flush
if compression method == 8. if compression method == 8
- added adler32 and crc32 - added adler32 and crc32
- renamed deflateOptions as deflateInit2, call one or the other but not both - renamed deflateOptions as deflateInit2, call one or the other but not both
- added the method parameter for deflateInit2. - added the method parameter for deflateInit2
- added inflateInit2 - added inflateInit2
- simplied considerably deflateInit and inflateInit by not supporting - simplified considerably deflateInit and inflateInit by not supporting
user-provided history buffer. This is supported only in deflateInit2 user-provided history buffer. This is supported only in deflateInit2
and inflateInit2. and inflateInit2
Changes in 0.3: Changes in 0.3:
- prefix all macro names with Z_ - prefix all macro names with Z_
- use Z_FINISH instead of deflateEnd to finish compression. - use Z_FINISH instead of deflateEnd to finish compression
- added Z_HUFFMAN_ONLY - added Z_HUFFMAN_ONLY
- added gzerror() - added gzerror()

View File

@ -1,6 +1,6 @@
ZLIB DATA COMPRESSION LIBRARY ZLIB DATA COMPRESSION LIBRARY
zlib 1.2.11 is a general purpose data compression library. All the code is zlib 1.3.1 is a general purpose data compression library. All the code is
thread safe. The data format used by the zlib library is described by RFCs thread safe. The data format used by the zlib library is described by RFCs
(Request for Comments) 1950 to 1952 in the files (Request for Comments) 1950 to 1952 in the files
http://tools.ietf.org/html/rfc1950 (zlib format), rfc1951 (deflate format) and http://tools.ietf.org/html/rfc1950 (zlib format), rfc1951 (deflate format) and
@ -29,18 +29,17 @@ PLEASE read the zlib FAQ http://zlib.net/zlib_faq.html before asking for help.
Mark Nelson <markn@ieee.org> wrote an article about zlib for the Jan. 1997 Mark Nelson <markn@ieee.org> wrote an article about zlib for the Jan. 1997
issue of Dr. Dobb's Journal; a copy of the article is available at issue of Dr. Dobb's Journal; a copy of the article is available at
http://marknelson.us/1997/01/01/zlib-engine/ . https://marknelson.us/posts/1997/01/01/zlib-engine.html .
The changes made in version 1.2.11 are documented in the file ChangeLog. The changes made in version 1.3.1 are documented in the file ChangeLog.
Unsupported third party contributions are provided in directory contrib/ . Unsupported third party contributions are provided in directory contrib/ .
zlib is available in Java using the java.util.zip package, documented at zlib is available in Java using the java.util.zip package. Follow the API
http://java.sun.com/developer/technicalArticles/Programming/compression/ . Documentation link at: https://docs.oracle.com/search/?q=java.util.zip .
A Perl interface to zlib written by Paul Marquess <pmqs@cpan.org> is available A Perl interface to zlib and bzip2 written by Paul Marquess <pmqs@cpan.org>
at CPAN (Comprehensive Perl Archive Network) sites, including can be found at https://github.com/pmqs/IO-Compress .
http://search.cpan.org/~pmqs/IO-Compress-Zlib/ .
A Python interface to zlib written by A.M. Kuchling <amk@amk.ca> is A Python interface to zlib written by A.M. Kuchling <amk@amk.ca> is
available in Python 1.5 and later versions, see available in Python 1.5 and later versions, see
@ -64,7 +63,7 @@ Notes for some targets:
- zlib doesn't work with gcc 2.6.3 on a DEC 3000/300LX under OSF/1 2.1 it works - zlib doesn't work with gcc 2.6.3 on a DEC 3000/300LX under OSF/1 2.1 it works
when compiled with cc. when compiled with cc.
- On Digital Unix 4.0D (formely OSF/1) on AlphaServer, the cc option -std1 is - On Digital Unix 4.0D (formerly OSF/1) on AlphaServer, the cc option -std1 is
necessary to get gzprintf working correctly. This is done by configure. necessary to get gzprintf working correctly. This is done by configure.
- zlib doesn't work on HP-UX 9.05 with some versions of /bin/cc. It works with - zlib doesn't work on HP-UX 9.05 with some versions of /bin/cc. It works with
@ -84,7 +83,7 @@ Acknowledgments:
Copyright notice: Copyright notice:
(C) 1995-2017 Jean-loup Gailly and Mark Adler (C) 1995-2024 Jean-loup Gailly and Mark Adler
This software is provided 'as-is', without any express or implied This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages warranty. In no event will the authors be held liable for any damages
@ -108,7 +107,10 @@ Copyright notice:
If you use the zlib library in a product, we would appreciate *not* receiving If you use the zlib library in a product, we would appreciate *not* receiving
lengthy legal documents to sign. The sources are provided for free but without lengthy legal documents to sign. The sources are provided for free but without
warranty of any kind. The library has been entirely written by Jean-loup warranty of any kind. The library has been entirely written by Jean-loup
Gailly and Mark Adler; it does not include third-party code. Gailly and Mark Adler; it does not include third-party code. We make all
contributions to and distributions of this project solely in our personal
capacity, and are not conveying any rights to any intellectual property of
any third parties.
If you redistribute modified sources, we would appreciate that you include in If you redistribute modified sources, we would appreciate that you include in
the file ChangeLog history information documenting your changes. Please read the file ChangeLog history information documenting your changes. Please read

View File

@ -7,8 +7,6 @@
#include "zutil.h" #include "zutil.h"
local uLong adler32_combine_ OF((uLong adler1, uLong adler2, z_off64_t len2));
#define BASE 65521U /* largest prime smaller than 65536 */ #define BASE 65521U /* largest prime smaller than 65536 */
#define NMAX 5552 #define NMAX 5552
/* NMAX is the largest n such that 255n(n+1)/2 + (n+1)(BASE-1) <= 2^32-1 */ /* NMAX is the largest n such that 255n(n+1)/2 + (n+1)(BASE-1) <= 2^32-1 */
@ -60,11 +58,7 @@ local uLong adler32_combine_ OF((uLong adler1, uLong adler2, z_off64_t len2));
#endif #endif
/* ========================================================================= */ /* ========================================================================= */
uLong ZEXPORT adler32_z(adler, buf, len) uLong ZEXPORT adler32_z(uLong adler, const Bytef *buf, z_size_t len) {
uLong adler;
const Bytef *buf;
z_size_t len;
{
unsigned long sum2; unsigned long sum2;
unsigned n; unsigned n;
@ -131,20 +125,12 @@ uLong ZEXPORT adler32_z(adler, buf, len)
} }
/* ========================================================================= */ /* ========================================================================= */
uLong ZEXPORT adler32(adler, buf, len) uLong ZEXPORT adler32(uLong adler, const Bytef *buf, uInt len) {
uLong adler;
const Bytef *buf;
uInt len;
{
return adler32_z(adler, buf, len); return adler32_z(adler, buf, len);
} }
/* ========================================================================= */ /* ========================================================================= */
local uLong adler32_combine_(adler1, adler2, len2) local uLong adler32_combine_(uLong adler1, uLong adler2, z_off64_t len2) {
uLong adler1;
uLong adler2;
z_off64_t len2;
{
unsigned long sum1; unsigned long sum1;
unsigned long sum2; unsigned long sum2;
unsigned rem; unsigned rem;
@ -169,18 +155,10 @@ local uLong adler32_combine_(adler1, adler2, len2)
} }
/* ========================================================================= */ /* ========================================================================= */
uLong ZEXPORT adler32_combine(adler1, adler2, len2) uLong ZEXPORT adler32_combine(uLong adler1, uLong adler2, z_off_t len2) {
uLong adler1;
uLong adler2;
z_off_t len2;
{
return adler32_combine_(adler1, adler2, len2); return adler32_combine_(adler1, adler2, len2);
} }
uLong ZEXPORT adler32_combine64(adler1, adler2, len2) uLong ZEXPORT adler32_combine64(uLong adler1, uLong adler2, z_off64_t len2) {
uLong adler1;
uLong adler2;
z_off64_t len2;
{
return adler32_combine_(adler1, adler2, len2); return adler32_combine_(adler1, adler2, len2);
} }

View File

@ -19,13 +19,8 @@
memory, Z_BUF_ERROR if there was not enough room in the output buffer, memory, Z_BUF_ERROR if there was not enough room in the output buffer,
Z_STREAM_ERROR if the level parameter is invalid. Z_STREAM_ERROR if the level parameter is invalid.
*/ */
int ZEXPORT compress2 (dest, destLen, source, sourceLen, level) int ZEXPORT compress2(Bytef *dest, uLongf *destLen, const Bytef *source,
Bytef *dest; uLong sourceLen, int level) {
uLongf *destLen;
const Bytef *source;
uLong sourceLen;
int level;
{
z_stream stream; z_stream stream;
int err; int err;
const uInt max = (uInt)-1; const uInt max = (uInt)-1;
@ -65,12 +60,8 @@ int ZEXPORT compress2 (dest, destLen, source, sourceLen, level)
/* =========================================================================== /* ===========================================================================
*/ */
int ZEXPORT compress (dest, destLen, source, sourceLen) int ZEXPORT compress(Bytef *dest, uLongf *destLen, const Bytef *source,
Bytef *dest; uLong sourceLen) {
uLongf *destLen;
const Bytef *source;
uLong sourceLen;
{
return compress2(dest, destLen, source, sourceLen, Z_DEFAULT_COMPRESSION); return compress2(dest, destLen, source, sourceLen, Z_DEFAULT_COMPRESSION);
} }
@ -78,9 +69,7 @@ int ZEXPORT compress (dest, destLen, source, sourceLen)
If the default memLevel or windowBits for deflateInit() is changed, then If the default memLevel or windowBits for deflateInit() is changed, then
this function needs to be updated. this function needs to be updated.
*/ */
uLong ZEXPORT compressBound (sourceLen) uLong ZEXPORT compressBound(uLong sourceLen) {
uLong sourceLen;
{
return sourceLen + (sourceLen >> 12) + (sourceLen >> 14) + return sourceLen + (sourceLen >> 12) + (sourceLen >> 14) +
(sourceLen >> 25) + 13; (sourceLen >> 25) + 13;
} }

View File

@ -32,12 +32,12 @@
/*********************************************************************** /***********************************************************************
* Return the next byte in the pseudo-random sequence * Return the next byte in the pseudo-random sequence
*/ */
static int decrypt_byte(unsigned long* pkeys, const z_crc_t* pcrc_32_tab) static int decrypt_byte(unsigned long* pkeys, const z_crc_t* pcrc_32_tab) {
{
unsigned temp; /* POTENTIAL BUG: temp*(temp^1) may overflow in an unsigned temp; /* POTENTIAL BUG: temp*(temp^1) may overflow in an
* unpredictable manner on 16-bit systems; not a problem * unpredictable manner on 16-bit systems; not a problem
* with any known compiler so far, though */ * with any known compiler so far, though */
(void)pcrc_32_tab;
temp = ((unsigned)(*(pkeys+2)) & 0xffff) | 2; temp = ((unsigned)(*(pkeys+2)) & 0xffff) | 2;
return (int)(((temp * (temp ^ 1)) >> 8) & 0xff); return (int)(((temp * (temp ^ 1)) >> 8) & 0xff);
} }
@ -45,8 +45,7 @@ static int decrypt_byte(unsigned long* pkeys, const z_crc_t* pcrc_32_tab)
/*********************************************************************** /***********************************************************************
* Update the encryption keys with the next byte of plain text * Update the encryption keys with the next byte of plain text
*/ */
static int update_keys(unsigned long* pkeys,const z_crc_t* pcrc_32_tab,int c) static int update_keys(unsigned long* pkeys, const z_crc_t* pcrc_32_tab, int c) {
{
(*(pkeys+0)) = CRC32((*(pkeys+0)), c); (*(pkeys+0)) = CRC32((*(pkeys+0)), c);
(*(pkeys+1)) += (*(pkeys+0)) & 0xff; (*(pkeys+1)) += (*(pkeys+0)) & 0xff;
(*(pkeys+1)) = (*(pkeys+1)) * 134775813L + 1; (*(pkeys+1)) = (*(pkeys+1)) * 134775813L + 1;
@ -62,8 +61,7 @@ static int update_keys(unsigned long* pkeys,const z_crc_t* pcrc_32_tab,int c)
* Initialize the encryption keys and the random header according to * Initialize the encryption keys and the random header according to
* the given password. * the given password.
*/ */
static void init_keys(const char* passwd,unsigned long* pkeys,const z_crc_t* pcrc_32_tab) static void init_keys(const char* passwd, unsigned long* pkeys, const z_crc_t* pcrc_32_tab) {
{
*(pkeys+0) = 305419896L; *(pkeys+0) = 305419896L;
*(pkeys+1) = 591751049L; *(pkeys+1) = 591751049L;
*(pkeys+2) = 878082192L; *(pkeys+2) = 878082192L;
@ -77,24 +75,23 @@ static void init_keys(const char* passwd,unsigned long* pkeys,const z_crc_t* pcr
(update_keys(pkeys,pcrc_32_tab,c ^= decrypt_byte(pkeys,pcrc_32_tab))) (update_keys(pkeys,pcrc_32_tab,c ^= decrypt_byte(pkeys,pcrc_32_tab)))
#define zencode(pkeys,pcrc_32_tab,c,t) \ #define zencode(pkeys,pcrc_32_tab,c,t) \
(t=decrypt_byte(pkeys,pcrc_32_tab), update_keys(pkeys,pcrc_32_tab,c), t^(c)) (t=decrypt_byte(pkeys,pcrc_32_tab), update_keys(pkeys,pcrc_32_tab,c), (Byte)t^(c))
#ifdef INCLUDECRYPTINGCODE_IFCRYPTALLOWED #ifdef INCLUDECRYPTINGCODE_IFCRYPTALLOWED
#define RAND_HEAD_LEN 12 #define RAND_HEAD_LEN 12
/* "last resort" source for second part of crypt seed pattern */ /* "last resort" source for second part of crypt seed pattern */
# ifndef ZCR_SEED2 # ifndef ZCR_SEED2
# define ZCR_SEED2 3141592654UL /* use PI as default pattern */ # define ZCR_SEED2 3141592654UL /* use PI as default pattern */
# endif # endif
static int crypthead(const char* passwd, /* password string */ static unsigned crypthead(const char* passwd, /* password string */
unsigned char* buf, /* where to write header */ unsigned char* buf, /* where to write header */
int bufSize, int bufSize,
unsigned long* pkeys, unsigned long* pkeys,
const z_crc_t* pcrc_32_tab, const z_crc_t* pcrc_32_tab,
unsigned long crcForCrypting) unsigned long crcForCrypting) {
{ unsigned n; /* index in random header */
int n; /* index in random header */
int t; /* temporary */ int t; /* temporary */
int c; /* random byte */ int c; /* random byte */
unsigned char header[RAND_HEAD_LEN-2]; /* random header */ unsigned char header[RAND_HEAD_LEN-2]; /* random header */

View File

@ -14,7 +14,7 @@
#define _CRT_SECURE_NO_WARNINGS #define _CRT_SECURE_NO_WARNINGS
#endif #endif
#if defined(__APPLE__) || defined(IOAPI_NO_64) #if defined(__APPLE__) || defined(IOAPI_NO_64) || defined(__HAIKU__) || defined(MINIZIP_FOPEN_NO_64)
// In darwin and perhaps other BSD variants off_t is a 64 bit value, hence no need for specific 64 bit functions // In darwin and perhaps other BSD variants off_t is a 64 bit value, hence no need for specific 64 bit functions
#define FOPEN_FUNC(filename, mode) fopen(filename, mode) #define FOPEN_FUNC(filename, mode) fopen(filename, mode)
#define FTELLO_FUNC(stream) ftello(stream) #define FTELLO_FUNC(stream) ftello(stream)
@ -28,8 +28,7 @@
#include "ioapi.h" #include "ioapi.h"
voidpf call_zopen64 (const zlib_filefunc64_32_def* pfilefunc,const void*filename,int mode) voidpf call_zopen64 (const zlib_filefunc64_32_def* pfilefunc, const void*filename, int mode) {
{
if (pfilefunc->zfile_func64.zopen64_file != NULL) if (pfilefunc->zfile_func64.zopen64_file != NULL)
return (*(pfilefunc->zfile_func64.zopen64_file)) (pfilefunc->zfile_func64.opaque,filename,mode); return (*(pfilefunc->zfile_func64.zopen64_file)) (pfilefunc->zfile_func64.opaque,filename,mode);
else else
@ -38,8 +37,7 @@ voidpf call_zopen64 (const zlib_filefunc64_32_def* pfilefunc,const void*filename
} }
} }
long call_zseek64 (const zlib_filefunc64_32_def* pfilefunc,voidpf filestream, ZPOS64_T offset, int origin) long call_zseek64 (const zlib_filefunc64_32_def* pfilefunc,voidpf filestream, ZPOS64_T offset, int origin) {
{
if (pfilefunc->zfile_func64.zseek64_file != NULL) if (pfilefunc->zfile_func64.zseek64_file != NULL)
return (*(pfilefunc->zfile_func64.zseek64_file)) (pfilefunc->zfile_func64.opaque,filestream,offset,origin); return (*(pfilefunc->zfile_func64.zseek64_file)) (pfilefunc->zfile_func64.opaque,filestream,offset,origin);
else else
@ -52,13 +50,12 @@ long call_zseek64 (const zlib_filefunc64_32_def* pfilefunc,voidpf filestream, ZP
} }
} }
ZPOS64_T call_ztell64 (const zlib_filefunc64_32_def* pfilefunc,voidpf filestream) ZPOS64_T call_ztell64 (const zlib_filefunc64_32_def* pfilefunc, voidpf filestream) {
{
if (pfilefunc->zfile_func64.zseek64_file != NULL) if (pfilefunc->zfile_func64.zseek64_file != NULL)
return (*(pfilefunc->zfile_func64.ztell64_file)) (pfilefunc->zfile_func64.opaque,filestream); return (*(pfilefunc->zfile_func64.ztell64_file)) (pfilefunc->zfile_func64.opaque,filestream);
else else
{ {
uLong tell_uLong = (*(pfilefunc->ztell32_file))(pfilefunc->zfile_func64.opaque,filestream); uLong tell_uLong = (uLong)(*(pfilefunc->ztell32_file))(pfilefunc->zfile_func64.opaque,filestream);
if ((tell_uLong) == MAXU32) if ((tell_uLong) == MAXU32)
return (ZPOS64_T)-1; return (ZPOS64_T)-1;
else else
@ -66,11 +63,9 @@ ZPOS64_T call_ztell64 (const zlib_filefunc64_32_def* pfilefunc,voidpf filestream
} }
} }
void fill_zlib_filefunc64_32_def_from_filefunc32(zlib_filefunc64_32_def* p_filefunc64_32,const zlib_filefunc_def* p_filefunc32) void fill_zlib_filefunc64_32_def_from_filefunc32(zlib_filefunc64_32_def* p_filefunc64_32, const zlib_filefunc_def* p_filefunc32) {
{
p_filefunc64_32->zfile_func64.zopen64_file = NULL; p_filefunc64_32->zfile_func64.zopen64_file = NULL;
p_filefunc64_32->zopen32_file = p_filefunc32->zopen_file; p_filefunc64_32->zopen32_file = p_filefunc32->zopen_file;
p_filefunc64_32->zfile_func64.zerror_file = p_filefunc32->zerror_file;
p_filefunc64_32->zfile_func64.zread_file = p_filefunc32->zread_file; p_filefunc64_32->zfile_func64.zread_file = p_filefunc32->zread_file;
p_filefunc64_32->zfile_func64.zwrite_file = p_filefunc32->zwrite_file; p_filefunc64_32->zfile_func64.zwrite_file = p_filefunc32->zwrite_file;
p_filefunc64_32->zfile_func64.ztell64_file = NULL; p_filefunc64_32->zfile_func64.ztell64_file = NULL;
@ -84,18 +79,10 @@ void fill_zlib_filefunc64_32_def_from_filefunc32(zlib_filefunc64_32_def* p_filef
static voidpf ZCALLBACK fopen_file_func OF((voidpf opaque, const char* filename, int mode)); static voidpf ZCALLBACK fopen_file_func(voidpf opaque, const char* filename, int mode) {
static uLong ZCALLBACK fread_file_func OF((voidpf opaque, voidpf stream, void* buf, uLong size));
static uLong ZCALLBACK fwrite_file_func OF((voidpf opaque, voidpf stream, const void* buf,uLong size));
static ZPOS64_T ZCALLBACK ftell64_file_func OF((voidpf opaque, voidpf stream));
static long ZCALLBACK fseek64_file_func OF((voidpf opaque, voidpf stream, ZPOS64_T offset, int origin));
static int ZCALLBACK fclose_file_func OF((voidpf opaque, voidpf stream));
static int ZCALLBACK ferror_file_func OF((voidpf opaque, voidpf stream));
static voidpf ZCALLBACK fopen_file_func (voidpf opaque, const char* filename, int mode)
{
FILE* file = NULL; FILE* file = NULL;
const char* mode_fopen = NULL; const char* mode_fopen = NULL;
(void)opaque;
if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ) if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ)
mode_fopen = "rb"; mode_fopen = "rb";
else else
@ -110,10 +97,10 @@ static voidpf ZCALLBACK fopen_file_func (voidpf opaque, const char* filename, in
return file; return file;
} }
static voidpf ZCALLBACK fopen64_file_func (voidpf opaque, const void* filename, int mode) static voidpf ZCALLBACK fopen64_file_func(voidpf opaque, const void* filename, int mode) {
{
FILE* file = NULL; FILE* file = NULL;
const char* mode_fopen = NULL; const char* mode_fopen = NULL;
(void)opaque;
if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ) if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ)
mode_fopen = "rb"; mode_fopen = "rb";
else else
@ -129,39 +116,39 @@ static voidpf ZCALLBACK fopen64_file_func (voidpf opaque, const void* filename,
} }
static uLong ZCALLBACK fread_file_func (voidpf opaque, voidpf stream, void* buf, uLong size) static uLong ZCALLBACK fread_file_func(voidpf opaque, voidpf stream, void* buf, uLong size) {
{
uLong ret; uLong ret;
(void)opaque;
ret = (uLong)fread(buf, 1, (size_t)size, (FILE *)stream); ret = (uLong)fread(buf, 1, (size_t)size, (FILE *)stream);
return ret; return ret;
} }
static uLong ZCALLBACK fwrite_file_func (voidpf opaque, voidpf stream, const void* buf, uLong size) static uLong ZCALLBACK fwrite_file_func(voidpf opaque, voidpf stream, const void* buf, uLong size) {
{
uLong ret; uLong ret;
(void)opaque;
ret = (uLong)fwrite(buf, 1, (size_t)size, (FILE *)stream); ret = (uLong)fwrite(buf, 1, (size_t)size, (FILE *)stream);
return ret; return ret;
} }
static long ZCALLBACK ftell_file_func (voidpf opaque, voidpf stream) static long ZCALLBACK ftell_file_func(voidpf opaque, voidpf stream) {
{
long ret; long ret;
(void)opaque;
ret = ftell((FILE *)stream); ret = ftell((FILE *)stream);
return ret; return ret;
} }
static ZPOS64_T ZCALLBACK ftell64_file_func (voidpf opaque, voidpf stream) static ZPOS64_T ZCALLBACK ftell64_file_func(voidpf opaque, voidpf stream) {
{
ZPOS64_T ret; ZPOS64_T ret;
ret = FTELLO_FUNC((FILE *)stream); (void)opaque;
ret = (ZPOS64_T)FTELLO_FUNC((FILE *)stream);
return ret; return ret;
} }
static long ZCALLBACK fseek_file_func (voidpf opaque, voidpf stream, uLong offset, int origin) static long ZCALLBACK fseek_file_func(voidpf opaque, voidpf stream, uLong offset, int origin) {
{
int fseek_origin=0; int fseek_origin=0;
long ret; long ret;
(void)opaque;
switch (origin) switch (origin)
{ {
case ZLIB_FILEFUNC_SEEK_CUR : case ZLIB_FILEFUNC_SEEK_CUR :
@ -176,15 +163,15 @@ static long ZCALLBACK fseek_file_func (voidpf opaque, voidpf stream, uLong offs
default: return -1; default: return -1;
} }
ret = 0; ret = 0;
if (fseek((FILE *)stream, offset, fseek_origin) != 0) if (fseek((FILE *)stream, (long)offset, fseek_origin) != 0)
ret = -1; ret = -1;
return ret; return ret;
} }
static long ZCALLBACK fseek64_file_func (voidpf opaque, voidpf stream, ZPOS64_T offset, int origin) static long ZCALLBACK fseek64_file_func(voidpf opaque, voidpf stream, ZPOS64_T offset, int origin) {
{
int fseek_origin=0; int fseek_origin=0;
long ret; long ret;
(void)opaque;
switch (origin) switch (origin)
{ {
case ZLIB_FILEFUNC_SEEK_CUR : case ZLIB_FILEFUNC_SEEK_CUR :
@ -200,30 +187,28 @@ static long ZCALLBACK fseek64_file_func (voidpf opaque, voidpf stream, ZPOS64_T
} }
ret = 0; ret = 0;
if(FSEEKO_FUNC((FILE *)stream, offset, fseek_origin) != 0) if(FSEEKO_FUNC((FILE *)stream, (z_off64_t)offset, fseek_origin) != 0)
ret = -1; ret = -1;
return ret; return ret;
} }
static int ZCALLBACK fclose_file_func (voidpf opaque, voidpf stream) static int ZCALLBACK fclose_file_func(voidpf opaque, voidpf stream) {
{
int ret; int ret;
(void)opaque;
ret = fclose((FILE *)stream); ret = fclose((FILE *)stream);
return ret; return ret;
} }
static int ZCALLBACK ferror_file_func (voidpf opaque, voidpf stream) static int ZCALLBACK ferror_file_func(voidpf opaque, voidpf stream) {
{
int ret; int ret;
(void)opaque;
ret = ferror((FILE *)stream); ret = ferror((FILE *)stream);
return ret; return ret;
} }
void fill_fopen_filefunc (pzlib_filefunc_def) void fill_fopen_filefunc(zlib_filefunc_def* pzlib_filefunc_def) {
zlib_filefunc_def* pzlib_filefunc_def;
{
pzlib_filefunc_def->zopen_file = fopen_file_func; pzlib_filefunc_def->zopen_file = fopen_file_func;
pzlib_filefunc_def->zread_file = fread_file_func; pzlib_filefunc_def->zread_file = fread_file_func;
pzlib_filefunc_def->zwrite_file = fwrite_file_func; pzlib_filefunc_def->zwrite_file = fwrite_file_func;
@ -234,8 +219,7 @@ void fill_fopen_filefunc (pzlib_filefunc_def)
pzlib_filefunc_def->opaque = NULL; pzlib_filefunc_def->opaque = NULL;
} }
void fill_fopen64_filefunc (zlib_filefunc64_def* pzlib_filefunc_def) void fill_fopen64_filefunc(zlib_filefunc64_def* pzlib_filefunc_def) {
{
pzlib_filefunc_def->zopen64_file = fopen64_file_func; pzlib_filefunc_def->zopen64_file = fopen64_file_func;
pzlib_filefunc_def->zread_file = fread_file_func; pzlib_filefunc_def->zread_file = fread_file_func;
pzlib_filefunc_def->zwrite_file = fwrite_file_func; pzlib_filefunc_def->zwrite_file = fwrite_file_func;

View File

@ -50,7 +50,7 @@
#define ftello64 ftell #define ftello64 ftell
#define fseeko64 fseek #define fseeko64 fseek
#else #else
#ifdef __FreeBSD__ #if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__HAIKU__) || defined(MINIZIP_FOPEN_NO_64)
#define fopen64 fopen #define fopen64 fopen
#define ftello64 ftello #define ftello64 ftello
#define fseeko64 fseeko #define fseeko64 fseeko
@ -82,7 +82,7 @@
#include "mz64conf.h" #include "mz64conf.h"
#endif #endif
/* a type choosen by DEFINE */ /* a type chosen by DEFINE */
#ifdef HAVE_64BIT_INT_CUSTOM #ifdef HAVE_64BIT_INT_CUSTOM
typedef 64BIT_INT_CUSTOM_TYPE ZPOS64_T; typedef 64BIT_INT_CUSTOM_TYPE ZPOS64_T;
#else #else
@ -91,8 +91,7 @@ typedef 64BIT_INT_CUSTOM_TYPE ZPOS64_T;
typedef uint64_t ZPOS64_T; typedef uint64_t ZPOS64_T;
#else #else
/* Maximum unsigned 32-bit value used as placeholder for zip64 */
#define MAXU32 0xffffffff
#if defined(_MSC_VER) || defined(__BORLANDC__) #if defined(_MSC_VER) || defined(__BORLANDC__)
typedef unsigned __int64 ZPOS64_T; typedef unsigned __int64 ZPOS64_T;
@ -102,7 +101,10 @@ typedef unsigned long long int ZPOS64_T;
#endif #endif
#endif #endif
/* Maximum unsigned 32-bit value used as placeholder for zip64 */
#ifndef MAXU32
#define MAXU32 (0xffffffff)
#endif
#ifdef __cplusplus #ifdef __cplusplus
extern "C" { extern "C" {
@ -132,17 +134,17 @@ extern "C" {
typedef voidpf (ZCALLBACK *open_file_func) OF((voidpf opaque, const char* filename, int mode)); typedef voidpf (ZCALLBACK *open_file_func) (voidpf opaque, const char* filename, int mode);
typedef uLong (ZCALLBACK *read_file_func) OF((voidpf opaque, voidpf stream, void* buf, uLong size)); typedef uLong (ZCALLBACK *read_file_func) (voidpf opaque, voidpf stream, void* buf, uLong size);
typedef uLong (ZCALLBACK *write_file_func) OF((voidpf opaque, voidpf stream, const void* buf, uLong size)); typedef uLong (ZCALLBACK *write_file_func) (voidpf opaque, voidpf stream, const void* buf, uLong size);
typedef int (ZCALLBACK *close_file_func) OF((voidpf opaque, voidpf stream)); typedef int (ZCALLBACK *close_file_func) (voidpf opaque, voidpf stream);
typedef int (ZCALLBACK *testerror_file_func) OF((voidpf opaque, voidpf stream)); typedef int (ZCALLBACK *testerror_file_func) (voidpf opaque, voidpf stream);
typedef long (ZCALLBACK *tell_file_func) OF((voidpf opaque, voidpf stream)); typedef long (ZCALLBACK *tell_file_func) (voidpf opaque, voidpf stream);
typedef long (ZCALLBACK *seek_file_func) OF((voidpf opaque, voidpf stream, uLong offset, int origin)); typedef long (ZCALLBACK *seek_file_func) (voidpf opaque, voidpf stream, uLong offset, int origin);
/* here is the "old" 32 bits structure structure */ /* here is the "old" 32 bits structure */
typedef struct zlib_filefunc_def_s typedef struct zlib_filefunc_def_s
{ {
open_file_func zopen_file; open_file_func zopen_file;
@ -155,9 +157,9 @@ typedef struct zlib_filefunc_def_s
voidpf opaque; voidpf opaque;
} zlib_filefunc_def; } zlib_filefunc_def;
typedef ZPOS64_T (ZCALLBACK *tell64_file_func) OF((voidpf opaque, voidpf stream)); typedef ZPOS64_T (ZCALLBACK *tell64_file_func) (voidpf opaque, voidpf stream);
typedef long (ZCALLBACK *seek64_file_func) OF((voidpf opaque, voidpf stream, ZPOS64_T offset, int origin)); typedef long (ZCALLBACK *seek64_file_func) (voidpf opaque, voidpf stream, ZPOS64_T offset, int origin);
typedef voidpf (ZCALLBACK *open64_file_func) OF((voidpf opaque, const void* filename, int mode)); typedef voidpf (ZCALLBACK *open64_file_func) (voidpf opaque, const void* filename, int mode);
typedef struct zlib_filefunc64_def_s typedef struct zlib_filefunc64_def_s
{ {
@ -171,8 +173,8 @@ typedef struct zlib_filefunc64_def_s
voidpf opaque; voidpf opaque;
} zlib_filefunc64_def; } zlib_filefunc64_def;
void fill_fopen64_filefunc OF((zlib_filefunc64_def* pzlib_filefunc_def)); void fill_fopen64_filefunc(zlib_filefunc64_def* pzlib_filefunc_def);
void fill_fopen_filefunc OF((zlib_filefunc_def* pzlib_filefunc_def)); void fill_fopen_filefunc(zlib_filefunc_def* pzlib_filefunc_def);
/* now internal definition, only for zip.c and unzip.h */ /* now internal definition, only for zip.c and unzip.h */
typedef struct zlib_filefunc64_32_def_s typedef struct zlib_filefunc64_32_def_s
@ -191,11 +193,11 @@ typedef struct zlib_filefunc64_32_def_s
#define ZCLOSE64(filefunc,filestream) ((*((filefunc).zfile_func64.zclose_file)) ((filefunc).zfile_func64.opaque,filestream)) #define ZCLOSE64(filefunc,filestream) ((*((filefunc).zfile_func64.zclose_file)) ((filefunc).zfile_func64.opaque,filestream))
#define ZERROR64(filefunc,filestream) ((*((filefunc).zfile_func64.zerror_file)) ((filefunc).zfile_func64.opaque,filestream)) #define ZERROR64(filefunc,filestream) ((*((filefunc).zfile_func64.zerror_file)) ((filefunc).zfile_func64.opaque,filestream))
voidpf call_zopen64 OF((const zlib_filefunc64_32_def* pfilefunc,const void*filename,int mode)); voidpf call_zopen64(const zlib_filefunc64_32_def* pfilefunc,const void*filename,int mode);
long call_zseek64 OF((const zlib_filefunc64_32_def* pfilefunc,voidpf filestream, ZPOS64_T offset, int origin)); long call_zseek64(const zlib_filefunc64_32_def* pfilefunc,voidpf filestream, ZPOS64_T offset, int origin);
ZPOS64_T call_ztell64 OF((const zlib_filefunc64_32_def* pfilefunc,voidpf filestream)); ZPOS64_T call_ztell64(const zlib_filefunc64_32_def* pfilefunc,voidpf filestream);
void fill_zlib_filefunc64_32_def_from_filefunc32(zlib_filefunc64_32_def* p_filefunc64_32,const zlib_filefunc_def* p_filefunc32); void fill_zlib_filefunc64_32_def_from_filefunc32(zlib_filefunc64_32_def* p_filefunc64_32,const zlib_filefunc_def* p_filefunc32);
#define ZOPEN64(filefunc,filename,mode) (call_zopen64((&(filefunc)),(filename),(mode))) #define ZOPEN64(filefunc,filename,mode) (call_zopen64((&(filefunc)),(filename),(mode)))
#define ZTELL64(filefunc,filestream) (call_ztell64((&(filefunc)),(filestream))) #define ZTELL64(filefunc,filestream) (call_ztell64((&(filefunc)),(filestream)))

View File

@ -28,19 +28,16 @@
// see Include/shared/winapifamily.h in the Windows Kit // see Include/shared/winapifamily.h in the Windows Kit
#if defined(WINAPI_FAMILY_PARTITION) && (!(defined(IOWIN32_USING_WINRT_API))) #if defined(WINAPI_FAMILY_PARTITION) && (!(defined(IOWIN32_USING_WINRT_API)))
#if !defined(WINAPI_FAMILY_ONE_PARTITION)
#define WINAPI_FAMILY_ONE_PARTITION(PartitionSet, Partition) ((WINAPI_FAMILY & PartitionSet) == Partition)
#endif
#if WINAPI_FAMILY_ONE_PARTITION(WINAPI_FAMILY, WINAPI_PARTITION_APP) #if WINAPI_FAMILY_ONE_PARTITION(WINAPI_FAMILY, WINAPI_PARTITION_APP)
#define IOWIN32_USING_WINRT_API 1 #define IOWIN32_USING_WINRT_API 1
#endif #endif
#endif #endif
voidpf ZCALLBACK win32_open_file_func OF((voidpf opaque, const char* filename, int mode));
uLong ZCALLBACK win32_read_file_func OF((voidpf opaque, voidpf stream, void* buf, uLong size));
uLong ZCALLBACK win32_write_file_func OF((voidpf opaque, voidpf stream, const void* buf, uLong size));
ZPOS64_T ZCALLBACK win32_tell64_file_func OF((voidpf opaque, voidpf stream));
long ZCALLBACK win32_seek64_file_func OF((voidpf opaque, voidpf stream, ZPOS64_T offset, int origin));
int ZCALLBACK win32_close_file_func OF((voidpf opaque, voidpf stream));
int ZCALLBACK win32_error_file_func OF((voidpf opaque, voidpf stream));
typedef struct typedef struct
{ {
HANDLE hf; HANDLE hf;
@ -52,8 +49,7 @@ static void win32_translate_open_mode(int mode,
DWORD* lpdwDesiredAccess, DWORD* lpdwDesiredAccess,
DWORD* lpdwCreationDisposition, DWORD* lpdwCreationDisposition,
DWORD* lpdwShareMode, DWORD* lpdwShareMode,
DWORD* lpdwFlagsAndAttributes) DWORD* lpdwFlagsAndAttributes) {
{
*lpdwDesiredAccess = *lpdwShareMode = *lpdwFlagsAndAttributes = *lpdwCreationDisposition = 0; *lpdwDesiredAccess = *lpdwShareMode = *lpdwFlagsAndAttributes = *lpdwCreationDisposition = 0;
if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ) if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ)
@ -74,8 +70,7 @@ static void win32_translate_open_mode(int mode,
} }
} }
static voidpf win32_build_iowin(HANDLE hFile) static voidpf win32_build_iowin(HANDLE hFile) {
{
voidpf ret=NULL; voidpf ret=NULL;
if ((hFile != NULL) && (hFile != INVALID_HANDLE_VALUE)) if ((hFile != NULL) && (hFile != INVALID_HANDLE_VALUE))
@ -93,8 +88,7 @@ static voidpf win32_build_iowin(HANDLE hFile)
return ret; return ret;
} }
voidpf ZCALLBACK win32_open64_file_func (voidpf opaque,const void* filename,int mode) voidpf ZCALLBACK win32_open64_file_func(voidpf opaque, const void* filename, int mode) {
{
const char* mode_fopen = NULL; const char* mode_fopen = NULL;
DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
HANDLE hFile = NULL; HANDLE hFile = NULL;
@ -122,8 +116,7 @@ voidpf ZCALLBACK win32_open64_file_func (voidpf opaque,const void* filename,int
} }
voidpf ZCALLBACK win32_open64_file_funcA (voidpf opaque,const void* filename,int mode) voidpf ZCALLBACK win32_open64_file_funcA(voidpf opaque, const void* filename, int mode) {
{
const char* mode_fopen = NULL; const char* mode_fopen = NULL;
DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
HANDLE hFile = NULL; HANDLE hFile = NULL;
@ -146,8 +139,7 @@ voidpf ZCALLBACK win32_open64_file_funcA (voidpf opaque,const void* filename,int
} }
voidpf ZCALLBACK win32_open64_file_funcW (voidpf opaque,const void* filename,int mode) voidpf ZCALLBACK win32_open64_file_funcW(voidpf opaque, const void* filename, int mode) {
{
const char* mode_fopen = NULL; const char* mode_fopen = NULL;
DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
HANDLE hFile = NULL; HANDLE hFile = NULL;
@ -166,8 +158,7 @@ voidpf ZCALLBACK win32_open64_file_funcW (voidpf opaque,const void* filename,int
} }
voidpf ZCALLBACK win32_open_file_func (voidpf opaque,const char* filename,int mode) voidpf ZCALLBACK win32_open_file_func(voidpf opaque, const char* filename, int mode) {
{
const char* mode_fopen = NULL; const char* mode_fopen = NULL;
DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
HANDLE hFile = NULL; HANDLE hFile = NULL;
@ -195,8 +186,7 @@ voidpf ZCALLBACK win32_open_file_func (voidpf opaque,const char* filename,int mo
} }
uLong ZCALLBACK win32_read_file_func (voidpf opaque, voidpf stream, void* buf,uLong size) uLong ZCALLBACK win32_read_file_func(voidpf opaque, voidpf stream, void* buf,uLong size) {
{
uLong ret=0; uLong ret=0;
HANDLE hFile = NULL; HANDLE hFile = NULL;
if (stream!=NULL) if (stream!=NULL)
@ -217,8 +207,7 @@ uLong ZCALLBACK win32_read_file_func (voidpf opaque, voidpf stream, void* buf,uL
} }
uLong ZCALLBACK win32_write_file_func (voidpf opaque,voidpf stream,const void* buf,uLong size) uLong ZCALLBACK win32_write_file_func(voidpf opaque, voidpf stream, const void* buf, uLong size) {
{
uLong ret=0; uLong ret=0;
HANDLE hFile = NULL; HANDLE hFile = NULL;
if (stream!=NULL) if (stream!=NULL)
@ -238,8 +227,7 @@ uLong ZCALLBACK win32_write_file_func (voidpf opaque,voidpf stream,const void* b
return ret; return ret;
} }
static BOOL MySetFilePointerEx(HANDLE hFile, LARGE_INTEGER pos, LARGE_INTEGER *newPos, DWORD dwMoveMethod) static BOOL MySetFilePointerEx(HANDLE hFile, LARGE_INTEGER pos, LARGE_INTEGER *newPos, DWORD dwMoveMethod) {
{
#ifdef IOWIN32_USING_WINRT_API #ifdef IOWIN32_USING_WINRT_API
return SetFilePointerEx(hFile, pos, newPos, dwMoveMethod); return SetFilePointerEx(hFile, pos, newPos, dwMoveMethod);
#else #else
@ -258,8 +246,7 @@ static BOOL MySetFilePointerEx(HANDLE hFile, LARGE_INTEGER pos, LARGE_INTEGER *n
#endif #endif
} }
long ZCALLBACK win32_tell_file_func (voidpf opaque,voidpf stream) long ZCALLBACK win32_tell_file_func(voidpf opaque, voidpf stream) {
{
long ret=-1; long ret=-1;
HANDLE hFile = NULL; HANDLE hFile = NULL;
if (stream!=NULL) if (stream!=NULL)
@ -281,8 +268,7 @@ long ZCALLBACK win32_tell_file_func (voidpf opaque,voidpf stream)
return ret; return ret;
} }
ZPOS64_T ZCALLBACK win32_tell64_file_func (voidpf opaque, voidpf stream) ZPOS64_T ZCALLBACK win32_tell64_file_func(voidpf opaque, voidpf stream) {
{
ZPOS64_T ret= (ZPOS64_T)-1; ZPOS64_T ret= (ZPOS64_T)-1;
HANDLE hFile = NULL; HANDLE hFile = NULL;
if (stream!=NULL) if (stream!=NULL)
@ -306,8 +292,7 @@ ZPOS64_T ZCALLBACK win32_tell64_file_func (voidpf opaque, voidpf stream)
} }
long ZCALLBACK win32_seek_file_func (voidpf opaque,voidpf stream,uLong offset,int origin) long ZCALLBACK win32_seek_file_func(voidpf opaque, voidpf stream, uLong offset, int origin) {
{
DWORD dwMoveMethod=0xFFFFFFFF; DWORD dwMoveMethod=0xFFFFFFFF;
HANDLE hFile = NULL; HANDLE hFile = NULL;
@ -344,8 +329,7 @@ long ZCALLBACK win32_seek_file_func (voidpf opaque,voidpf stream,uLong offset,in
return ret; return ret;
} }
long ZCALLBACK win32_seek64_file_func (voidpf opaque, voidpf stream,ZPOS64_T offset,int origin) long ZCALLBACK win32_seek64_file_func(voidpf opaque, voidpf stream, ZPOS64_T offset, int origin) {
{
DWORD dwMoveMethod=0xFFFFFFFF; DWORD dwMoveMethod=0xFFFFFFFF;
HANDLE hFile = NULL; HANDLE hFile = NULL;
long ret=-1; long ret=-1;
@ -383,8 +367,7 @@ long ZCALLBACK win32_seek64_file_func (voidpf opaque, voidpf stream,ZPOS64_T off
return ret; return ret;
} }
int ZCALLBACK win32_close_file_func (voidpf opaque, voidpf stream) int ZCALLBACK win32_close_file_func(voidpf opaque, voidpf stream) {
{
int ret=-1; int ret=-1;
if (stream!=NULL) if (stream!=NULL)
@ -401,8 +384,7 @@ int ZCALLBACK win32_close_file_func (voidpf opaque, voidpf stream)
return ret; return ret;
} }
int ZCALLBACK win32_error_file_func (voidpf opaque,voidpf stream) int ZCALLBACK win32_error_file_func(voidpf opaque, voidpf stream) {
{
int ret=-1; int ret=-1;
if (stream!=NULL) if (stream!=NULL)
{ {
@ -411,8 +393,7 @@ int ZCALLBACK win32_error_file_func (voidpf opaque,voidpf stream)
return ret; return ret;
} }
void fill_win32_filefunc (zlib_filefunc_def* pzlib_filefunc_def) void fill_win32_filefunc(zlib_filefunc_def* pzlib_filefunc_def) {
{
pzlib_filefunc_def->zopen_file = win32_open_file_func; pzlib_filefunc_def->zopen_file = win32_open_file_func;
pzlib_filefunc_def->zread_file = win32_read_file_func; pzlib_filefunc_def->zread_file = win32_read_file_func;
pzlib_filefunc_def->zwrite_file = win32_write_file_func; pzlib_filefunc_def->zwrite_file = win32_write_file_func;
@ -423,8 +404,7 @@ void fill_win32_filefunc (zlib_filefunc_def* pzlib_filefunc_def)
pzlib_filefunc_def->opaque = NULL; pzlib_filefunc_def->opaque = NULL;
} }
void fill_win32_filefunc64(zlib_filefunc64_def* pzlib_filefunc_def) void fill_win32_filefunc64(zlib_filefunc64_def* pzlib_filefunc_def) {
{
pzlib_filefunc_def->zopen64_file = win32_open64_file_func; pzlib_filefunc_def->zopen64_file = win32_open64_file_func;
pzlib_filefunc_def->zread_file = win32_read_file_func; pzlib_filefunc_def->zread_file = win32_read_file_func;
pzlib_filefunc_def->zwrite_file = win32_write_file_func; pzlib_filefunc_def->zwrite_file = win32_write_file_func;
@ -436,8 +416,7 @@ void fill_win32_filefunc64(zlib_filefunc64_def* pzlib_filefunc_def)
} }
void fill_win32_filefunc64A(zlib_filefunc64_def* pzlib_filefunc_def) void fill_win32_filefunc64A(zlib_filefunc64_def* pzlib_filefunc_def) {
{
pzlib_filefunc_def->zopen64_file = win32_open64_file_funcA; pzlib_filefunc_def->zopen64_file = win32_open64_file_funcA;
pzlib_filefunc_def->zread_file = win32_read_file_func; pzlib_filefunc_def->zread_file = win32_read_file_func;
pzlib_filefunc_def->zwrite_file = win32_write_file_func; pzlib_filefunc_def->zwrite_file = win32_write_file_func;
@ -449,8 +428,7 @@ void fill_win32_filefunc64A(zlib_filefunc64_def* pzlib_filefunc_def)
} }
void fill_win32_filefunc64W(zlib_filefunc64_def* pzlib_filefunc_def) void fill_win32_filefunc64W(zlib_filefunc64_def* pzlib_filefunc_def) {
{
pzlib_filefunc_def->zopen64_file = win32_open64_file_funcW; pzlib_filefunc_def->zopen64_file = win32_open64_file_funcW;
pzlib_filefunc_def->zread_file = win32_read_file_func; pzlib_filefunc_def->zread_file = win32_read_file_func;
pzlib_filefunc_def->zwrite_file = win32_write_file_func; pzlib_filefunc_def->zwrite_file = win32_write_file_func;

View File

@ -18,10 +18,10 @@
extern "C" { extern "C" {
#endif #endif
void fill_win32_filefunc OF((zlib_filefunc_def* pzlib_filefunc_def)); void fill_win32_filefunc(zlib_filefunc_def* pzlib_filefunc_def);
void fill_win32_filefunc64 OF((zlib_filefunc64_def* pzlib_filefunc_def)); void fill_win32_filefunc64(zlib_filefunc64_def* pzlib_filefunc_def);
void fill_win32_filefunc64A OF((zlib_filefunc64_def* pzlib_filefunc_def)); void fill_win32_filefunc64A(zlib_filefunc64_def* pzlib_filefunc_def);
void fill_win32_filefunc64W OF((zlib_filefunc64_def* pzlib_filefunc_def)); void fill_win32_filefunc64W(zlib_filefunc64_def* pzlib_filefunc_def);
#ifdef __cplusplus #ifdef __cplusplus
} }

View File

@ -27,7 +27,7 @@
#endif #endif
#endif #endif
#ifdef __APPLE__ #if defined(__APPLE__) || defined(__HAIKU__) || defined(MINIZIP_FOPEN_NO_64)
// In darwin and perhaps other BSD variants off_t is a 64 bit value, hence no need for specific 64 bit functions // In darwin and perhaps other BSD variants off_t is a 64 bit value, hence no need for specific 64 bit functions
#define FOPEN_FUNC(filename, mode) fopen(filename, mode) #define FOPEN_FUNC(filename, mode) fopen(filename, mode)
#define FTELLO_FUNC(stream) ftello(stream) #define FTELLO_FUNC(stream) ftello(stream)
@ -45,6 +45,7 @@
#include <time.h> #include <time.h>
#include <errno.h> #include <errno.h>
#include <fcntl.h> #include <fcntl.h>
#include <sys/stat.h>
#ifdef _WIN32 #ifdef _WIN32
# include <direct.h> # include <direct.h>
@ -78,13 +79,9 @@
/* change_file_date : change the date/time of a file /* change_file_date : change the date/time of a file
filename : the filename of the file where date/time must be modified filename : the filename of the file where date/time must be modified
dosdate : the new date at the MSDos format (4 bytes) dosdate : the new date at the MSDOS format (4 bytes)
tmu_date : the SAME new date at the tm_unz format */ tmu_date : the SAME new date at the tm_unz format */
void change_file_date(filename,dosdate,tmu_date) static void change_file_date(const char *filename, uLong dosdate, tm_unz tmu_date) {
const char *filename;
uLong dosdate;
tm_unz tmu_date;
{
#ifdef _WIN32 #ifdef _WIN32
HANDLE hFile; HANDLE hFile;
FILETIME ftm,ftLocal,ftCreate,ftLastAcc,ftLastWrite; FILETIME ftm,ftLocal,ftCreate,ftLastAcc,ftLastWrite;
@ -97,7 +94,8 @@ void change_file_date(filename,dosdate,tmu_date)
SetFileTime(hFile,&ftm,&ftLastAcc,&ftm); SetFileTime(hFile,&ftm,&ftLastAcc,&ftm);
CloseHandle(hFile); CloseHandle(hFile);
#else #else
#ifdef unix || __APPLE__ #if defined(unix) || defined(__APPLE__)
(void)dosdate;
struct utimbuf ut; struct utimbuf ut;
struct tm newdate; struct tm newdate;
newdate.tm_sec = tmu_date.tm_sec; newdate.tm_sec = tmu_date.tm_sec;
@ -113,6 +111,10 @@ void change_file_date(filename,dosdate,tmu_date)
ut.actime=ut.modtime=mktime(&newdate); ut.actime=ut.modtime=mktime(&newdate);
utime(filename,&ut); utime(filename,&ut);
#else
(void)filename;
(void)dosdate;
(void)tmu_date;
#endif #endif
#endif #endif
} }
@ -121,9 +123,7 @@ void change_file_date(filename,dosdate,tmu_date)
/* mymkdir and change_file_date are not 100 % portable /* mymkdir and change_file_date are not 100 % portable
As I don't know well Unix, I wait feedback for the unix portion */ As I don't know well Unix, I wait feedback for the unix portion */
int mymkdir(dirname) static int mymkdir(const char* dirname) {
const char* dirname;
{
int ret=0; int ret=0;
#ifdef _WIN32 #ifdef _WIN32
ret = _mkdir(dirname); ret = _mkdir(dirname);
@ -131,18 +131,18 @@ int mymkdir(dirname)
ret = mkdir (dirname,0775); ret = mkdir (dirname,0775);
#elif __APPLE__ #elif __APPLE__
ret = mkdir (dirname,0775); ret = mkdir (dirname,0775);
#else
(void)dirname;
#endif #endif
return ret; return ret;
} }
int makedir (newdir) static int makedir(const char *newdir) {
char *newdir;
{
char *buffer ; char *buffer ;
char *p; char *p;
int len = (int)strlen(newdir); size_t len = strlen(newdir);
if (len <= 0) if (len == 0)
return 0; return 0;
buffer = (char*)malloc(len+1); buffer = (char*)malloc(len+1);
@ -185,14 +185,12 @@ int makedir (newdir)
return 1; return 1;
} }
void do_banner() static void do_banner(void) {
{ printf("MiniUnz 1.1, demo of zLib + Unz package written by Gilles Vollant\n");
printf("MiniUnz 1.01b, demo of zLib + Unz package written by Gilles Vollant\n");
printf("more info at http://www.winimage.com/zLibDll/unzip.html\n\n"); printf("more info at http://www.winimage.com/zLibDll/unzip.html\n\n");
} }
void do_help() static void do_help(void) {
{
printf("Usage : miniunz [-e] [-x] [-v] [-l] [-o] [-p password] file.zip [file_to_extr.] [-d extractdir]\n\n" \ printf("Usage : miniunz [-e] [-x] [-v] [-l] [-o] [-p password] file.zip [file_to_extr.] [-d extractdir]\n\n" \
" -e Extract without pathname (junk paths)\n" \ " -e Extract without pathname (junk paths)\n" \
" -x Extract with pathname\n" \ " -x Extract with pathname\n" \
@ -200,11 +198,10 @@ void do_help()
" -l list files\n" \ " -l list files\n" \
" -d directory to extract into\n" \ " -d directory to extract into\n" \
" -o overwrite files without prompting\n" \ " -o overwrite files without prompting\n" \
" -p extract crypted file using password\n\n"); " -p extract encrypted file using password\n\n");
} }
void Display64BitsSize(ZPOS64_T n, int size_char) static void Display64BitsSize(ZPOS64_T n, int size_char) {
{
/* to avoid compatibility problem , we do here the conversion */ /* to avoid compatibility problem , we do here the conversion */
char number[21]; char number[21];
int offset=19; int offset=19;
@ -231,9 +228,7 @@ void Display64BitsSize(ZPOS64_T n, int size_char)
printf("%s",&number[pos_string]); printf("%s",&number[pos_string]);
} }
int do_list(uf) static int do_list(unzFile uf) {
unzFile uf;
{
uLong i; uLong i;
unz_global_info64 gi; unz_global_info64 gi;
int err; int err;
@ -248,7 +243,7 @@ int do_list(uf)
char filename_inzip[256]; char filename_inzip[256];
unz_file_info64 file_info; unz_file_info64 file_info;
uLong ratio=0; uLong ratio=0;
const char *string_method; const char *string_method = "";
char charCrypt=' '; char charCrypt=' ';
err = unzGetCurrentFileInfo64(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0); err = unzGetCurrentFileInfo64(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0);
if (err!=UNZ_OK) if (err!=UNZ_OK)
@ -259,7 +254,7 @@ int do_list(uf)
if (file_info.uncompressed_size>0) if (file_info.uncompressed_size>0)
ratio = (uLong)((file_info.compressed_size*100)/file_info.uncompressed_size); ratio = (uLong)((file_info.compressed_size*100)/file_info.uncompressed_size);
/* display a '*' if the file is crypted */ /* display a '*' if the file is encrypted */
if ((file_info.flag & 1) != 0) if ((file_info.flag & 1) != 0)
charCrypt='*'; charCrypt='*';
@ -309,12 +304,7 @@ int do_list(uf)
} }
int do_extract_currentfile(uf,popt_extract_without_path,popt_overwrite,password) static int do_extract_currentfile(unzFile uf, const int* popt_extract_without_path, int* popt_overwrite, const char* password) {
unzFile uf;
const int* popt_extract_without_path;
int* popt_overwrite;
const char* password;
{
char filename_inzip[256]; char filename_inzip[256];
char* filename_withoutpath; char* filename_withoutpath;
char* p; char* p;
@ -324,7 +314,6 @@ int do_extract_currentfile(uf,popt_extract_without_path,popt_overwrite,password)
uInt size_buf; uInt size_buf;
unz_file_info64 file_info; unz_file_info64 file_info;
uLong ratio=0;
err = unzGetCurrentFileInfo64(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0); err = unzGetCurrentFileInfo64(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0);
if (err!=UNZ_OK) if (err!=UNZ_OK)
@ -367,6 +356,20 @@ int do_extract_currentfile(uf,popt_extract_without_path,popt_overwrite,password)
else else
write_filename = filename_withoutpath; write_filename = filename_withoutpath;
if (write_filename[0]!='\0')
{
const char* relative_check = write_filename;
while (relative_check[1]!='\0')
{
if (relative_check[0]=='.' && relative_check[1]=='.')
write_filename = relative_check;
relative_check++;
}
}
while (write_filename[0]=='/' || write_filename[0]=='.')
write_filename++;
err = unzOpenCurrentFilePassword(uf,password); err = unzOpenCurrentFilePassword(uf,password);
if (err!=UNZ_OK) if (err!=UNZ_OK)
{ {
@ -439,7 +442,7 @@ int do_extract_currentfile(uf,popt_extract_without_path,popt_overwrite,password)
break; break;
} }
if (err>0) if (err>0)
if (fwrite(buf,err,1,fout)!=1) if (fwrite(buf,(unsigned)err,1,fout)!=1)
{ {
printf("error in writing extracted file\n"); printf("error in writing extracted file\n");
err=UNZ_ERRNO; err=UNZ_ERRNO;
@ -472,16 +475,10 @@ int do_extract_currentfile(uf,popt_extract_without_path,popt_overwrite,password)
} }
int do_extract(uf,opt_extract_without_path,opt_overwrite,password) static int do_extract(unzFile uf, int opt_extract_without_path, int opt_overwrite, const char* password) {
unzFile uf;
int opt_extract_without_path;
int opt_overwrite;
const char* password;
{
uLong i; uLong i;
unz_global_info64 gi; unz_global_info64 gi;
int err; int err;
FILE* fout=NULL;
err = unzGetGlobalInfo64(uf,&gi); err = unzGetGlobalInfo64(uf,&gi);
if (err!=UNZ_OK) if (err!=UNZ_OK)
@ -508,14 +505,7 @@ int do_extract(uf,opt_extract_without_path,opt_overwrite,password)
return 0; return 0;
} }
int do_extract_onefile(uf,filename,opt_extract_without_path,opt_overwrite,password) static int do_extract_onefile(unzFile uf, const char* filename, int opt_extract_without_path, int opt_overwrite, const char* password) {
unzFile uf;
const char* filename;
int opt_extract_without_path;
int opt_overwrite;
const char* password;
{
int err = UNZ_OK;
if (unzLocateFile(uf,filename,CASESENSITIVITY)!=UNZ_OK) if (unzLocateFile(uf,filename,CASESENSITIVITY)!=UNZ_OK)
{ {
printf("file %s not found in the zipfile\n",filename); printf("file %s not found in the zipfile\n",filename);
@ -531,10 +521,7 @@ int do_extract_onefile(uf,filename,opt_extract_without_path,opt_overwrite,passwo
} }
int main(argc,argv) int main(int argc, char *argv[]) {
int argc;
char *argv[];
{
const char *zipfilename=NULL; const char *zipfilename=NULL;
const char *filename_to_extract=NULL; const char *filename_to_extract=NULL;
const char *password=NULL; const char *password=NULL;
@ -565,7 +552,7 @@ int main(argc,argv)
while ((*p)!='\0') while ((*p)!='\0')
{ {
char c=*(p++);; char c=*(p++);
if ((c=='l') || (c=='L')) if ((c=='l') || (c=='L'))
opt_do_list = 1; opt_do_list = 1;
if ((c=='v') || (c=='V')) if ((c=='v') || (c=='V'))
@ -607,7 +594,7 @@ int main(argc,argv)
# endif # endif
strncpy(filename_try, zipfilename,MAXFILENAME-1); strncpy(filename_try, zipfilename,MAXFILENAME-1);
/* strncpy doesnt append the trailing NULL, of the string is too long. */ /* strncpy doesn't append the trailing NULL, of the string is too long. */
filename_try[ MAXFILENAME ] = '\0'; filename_try[ MAXFILENAME ] = '\0';
# ifdef USEWIN32IOAPI # ifdef USEWIN32IOAPI

View File

@ -28,7 +28,7 @@
#endif #endif
#endif #endif
#ifdef __APPLE__ #if defined(__APPLE__) || defined(__HAIKU__) || defined(MINIZIP_FOPEN_NO_64)
// In darwin and perhaps other BSD variants off_t is a 64 bit value, hence no need for specific 64 bit functions // In darwin and perhaps other BSD variants off_t is a 64 bit value, hence no need for specific 64 bit functions
#define FOPEN_FUNC(filename, mode) fopen(filename, mode) #define FOPEN_FUNC(filename, mode) fopen(filename, mode)
#define FTELLO_FUNC(stream) ftello(stream) #define FTELLO_FUNC(stream) ftello(stream)
@ -71,11 +71,9 @@
#define MAXFILENAME (256) #define MAXFILENAME (256)
#ifdef _WIN32 #ifdef _WIN32
uLong filetime(f, tmzip, dt) /* f: name of file to get info on, tmzip: return value: access,
char *f; /* name of file to get info on */ modification and creation times, dt: dostime */
tm_zip *tmzip; /* return value: access, modific. and creation times */ static int filetime(const char *f, tm_zip *tmzip, uLong *dt) {
uLong *dt; /* dostime */
{
int ret = 0; int ret = 0;
{ {
FILETIME ftLocal; FILETIME ftLocal;
@ -94,12 +92,11 @@ uLong filetime(f, tmzip, dt)
return ret; return ret;
} }
#else #else
#ifdef unix || __APPLE__ #if defined(unix) || defined(__APPLE__)
uLong filetime(f, tmzip, dt) /* f: name of file to get info on, tmzip: return value: access,
char *f; /* name of file to get info on */ modification and creation times, dt: dostime */
tm_zip *tmzip; /* return value: access, modific. and creation times */ static int filetime(const char *f, tm_zip *tmzip, uLong *dt) {
uLong *dt; /* dostime */ (void)dt;
{
int ret=0; int ret=0;
struct stat s; /* results of stat() */ struct stat s; /* results of stat() */
struct tm* filedate; struct tm* filedate;
@ -108,12 +105,12 @@ uLong filetime(f, tmzip, dt)
if (strcmp(f,"-")!=0) if (strcmp(f,"-")!=0)
{ {
char name[MAXFILENAME+1]; char name[MAXFILENAME+1];
int len = strlen(f); size_t len = strlen(f);
if (len > MAXFILENAME) if (len > MAXFILENAME)
len = MAXFILENAME; len = MAXFILENAME;
strncpy(name, f,MAXFILENAME-1); strncpy(name, f,MAXFILENAME-1);
/* strncpy doesnt append the trailing NULL, of the string is too long. */ /* strncpy doesn't append the trailing NULL, of the string is too long. */
name[ MAXFILENAME ] = '\0'; name[ MAXFILENAME ] = '\0';
if (name[len - 1] == '/') if (name[len - 1] == '/')
@ -137,11 +134,12 @@ uLong filetime(f, tmzip, dt)
return ret; return ret;
} }
#else #else
uLong filetime(f, tmzip, dt) /* f: name of file to get info on, tmzip: return value: access,
char *f; /* name of file to get info on */ modification and creation times, dt: dostime */
tm_zip *tmzip; /* return value: access, modific. and creation times */ static int filetime(const char *f, tm_zip *tmzip, uLong *dt) {
uLong *dt; /* dostime */ (void)f;
{ (void)tmzip;
(void)dt;
return 0; return 0;
} }
#endif #endif
@ -150,9 +148,7 @@ uLong filetime(f, tmzip, dt)
int check_exist_file(filename) static int check_exist_file(const char* filename) {
const char* filename;
{
FILE* ftestexist; FILE* ftestexist;
int ret = 1; int ret = 1;
ftestexist = FOPEN_FUNC(filename,"rb"); ftestexist = FOPEN_FUNC(filename,"rb");
@ -163,14 +159,12 @@ int check_exist_file(filename)
return ret; return ret;
} }
void do_banner() static void do_banner(void) {
{
printf("MiniZip 1.1, demo of zLib + MiniZip64 package, written by Gilles Vollant\n"); printf("MiniZip 1.1, demo of zLib + MiniZip64 package, written by Gilles Vollant\n");
printf("more info on MiniZip at http://www.winimage.com/zLibDll/minizip.html\n\n"); printf("more info on MiniZip at http://www.winimage.com/zLibDll/minizip.html\n\n");
} }
void do_help() static void do_help(void) {
{
printf("Usage : minizip [-o] [-a] [-0 to -9] [-p password] [-j] file.zip [files_to_add]\n\n" \ printf("Usage : minizip [-o] [-a] [-0 to -9] [-p password] [-j] file.zip [files_to_add]\n\n" \
" -o Overwrite existing file.zip\n" \ " -o Overwrite existing file.zip\n" \
" -a Append to existing file.zip\n" \ " -a Append to existing file.zip\n" \
@ -182,14 +176,13 @@ void do_help()
/* calculate the CRC32 of a file, /* calculate the CRC32 of a file,
because to encrypt a file, we need known the CRC32 of the file before */ because to encrypt a file, we need known the CRC32 of the file before */
int getFileCrc(const char* filenameinzip,void*buf,unsigned long size_buf,unsigned long* result_crc) static int getFileCrc(const char* filenameinzip, void* buf, unsigned long size_buf, unsigned long* result_crc) {
{
unsigned long calculate_crc=0; unsigned long calculate_crc=0;
int err=ZIP_OK; int err=ZIP_OK;
FILE * fin = FOPEN_FUNC(filenameinzip,"rb"); FILE * fin = FOPEN_FUNC(filenameinzip,"rb");
unsigned long size_read = 0; unsigned long size_read = 0;
unsigned long total_read = 0; /* unsigned long total_read = 0; */
if (fin==NULL) if (fin==NULL)
{ {
err = ZIP_ERRNO; err = ZIP_ERRNO;
@ -199,7 +192,7 @@ int getFileCrc(const char* filenameinzip,void*buf,unsigned long size_buf,unsigne
do do
{ {
err = ZIP_OK; err = ZIP_OK;
size_read = (int)fread(buf,1,size_buf,fin); size_read = fread(buf,1,size_buf,fin);
if (size_read < size_buf) if (size_read < size_buf)
if (feof(fin)==0) if (feof(fin)==0)
{ {
@ -208,8 +201,8 @@ int getFileCrc(const char* filenameinzip,void*buf,unsigned long size_buf,unsigne
} }
if (size_read>0) if (size_read>0)
calculate_crc = crc32(calculate_crc,buf,size_read); calculate_crc = crc32_z(calculate_crc,buf,size_read);
total_read += size_read; /* total_read += size_read; */
} while ((err == ZIP_OK) && (size_read>0)); } while ((err == ZIP_OK) && (size_read>0));
@ -221,18 +214,17 @@ int getFileCrc(const char* filenameinzip,void*buf,unsigned long size_buf,unsigne
return err; return err;
} }
int isLargeFile(const char* filename) static int isLargeFile(const char* filename) {
{
int largeFile = 0; int largeFile = 0;
ZPOS64_T pos = 0; ZPOS64_T pos = 0;
FILE* pFile = FOPEN_FUNC(filename, "rb"); FILE* pFile = FOPEN_FUNC(filename, "rb");
if(pFile != NULL) if(pFile != NULL)
{ {
int n = FSEEKO_FUNC(pFile, 0, SEEK_END); FSEEKO_FUNC(pFile, 0, SEEK_END);
pos = FTELLO_FUNC(pFile); pos = (ZPOS64_T)FTELLO_FUNC(pFile);
printf("File : %s is %lld bytes\n", filename, pos); printf("File : %s is %llu bytes\n", filename, pos);
if(pos >= 0xffffffff) if(pos >= 0xffffffff)
largeFile = 1; largeFile = 1;
@ -243,10 +235,7 @@ int isLargeFile(const char* filename)
return largeFile; return largeFile;
} }
int main(argc,argv) int main(int argc, char *argv[]) {
int argc;
char *argv[];
{
int i; int i;
int opt_overwrite=0; int opt_overwrite=0;
int opt_compress_level=Z_DEFAULT_COMPRESSION; int opt_compress_level=Z_DEFAULT_COMPRESSION;
@ -255,7 +244,7 @@ int main(argc,argv)
char filename_try[MAXFILENAME+16]; char filename_try[MAXFILENAME+16];
int zipok; int zipok;
int err=0; int err=0;
int size_buf=0; size_t size_buf=0;
void* buf=NULL; void* buf=NULL;
const char* password=NULL; const char* password=NULL;
@ -276,7 +265,7 @@ int main(argc,argv)
while ((*p)!='\0') while ((*p)!='\0')
{ {
char c=*(p++);; char c=*(p++);
if ((c=='o') || (c=='O')) if ((c=='o') || (c=='O'))
opt_overwrite = 1; opt_overwrite = 1;
if ((c=='a') || (c=='A')) if ((c=='a') || (c=='A'))
@ -322,7 +311,7 @@ int main(argc,argv)
zipok = 1 ; zipok = 1 ;
strncpy(filename_try, argv[zipfilenamearg],MAXFILENAME-1); strncpy(filename_try, argv[zipfilenamearg],MAXFILENAME-1);
/* strncpy doesnt append the trailing NULL, of the string is too long. */ /* strncpy doesn't append the trailing NULL, of the string is too long. */
filename_try[ MAXFILENAME ] = '\0'; filename_try[ MAXFILENAME ] = '\0';
len=(int)strlen(filename_try); len=(int)strlen(filename_try);
@ -392,11 +381,11 @@ int main(argc,argv)
((argv[i][1]=='o') || (argv[i][1]=='O') || ((argv[i][1]=='o') || (argv[i][1]=='O') ||
(argv[i][1]=='a') || (argv[i][1]=='A') || (argv[i][1]=='a') || (argv[i][1]=='A') ||
(argv[i][1]=='p') || (argv[i][1]=='P') || (argv[i][1]=='p') || (argv[i][1]=='P') ||
((argv[i][1]>='0') || (argv[i][1]<='9'))) && ((argv[i][1]>='0') && (argv[i][1]<='9'))) &&
(strlen(argv[i]) == 2))) (strlen(argv[i]) == 2)))
{ {
FILE * fin; FILE * fin = NULL;
int size_read; size_t size_read;
const char* filenameinzip = argv[i]; const char* filenameinzip = argv[i];
const char *savefilenameinzip; const char *savefilenameinzip;
zip_fileinfo zi; zip_fileinfo zi;
@ -472,7 +461,7 @@ int main(argc,argv)
do do
{ {
err = ZIP_OK; err = ZIP_OK;
size_read = (int)fread(buf,1,size_buf,fin); size_read = fread(buf,1,size_buf,fin);
if (size_read < size_buf) if (size_read < size_buf)
if (feof(fin)==0) if (feof(fin)==0)
{ {
@ -482,7 +471,7 @@ int main(argc,argv)
if (size_read>0) if (size_read>0)
{ {
err = zipWriteInFileInZip (zf,buf,size_read); err = zipWriteInFileInZip (zf,buf,(unsigned)size_read);
if (err<0) if (err<0)
{ {
printf("error in writing %s in the zipfile\n", printf("error in writing %s in the zipfile\n",

View File

@ -27,13 +27,7 @@
WRITE_16((unsigned char*)(buff) + 2, (n) >> 16); \ WRITE_16((unsigned char*)(buff) + 2, (n) >> 16); \
} while(0) } while(0)
extern int ZEXPORT unzRepair(file, fileOut, fileOutTmp, nRecovered, bytesRecovered) extern int ZEXPORT unzRepair(const char* file, const char* fileOut, const char* fileOutTmp, uLong* nRecovered, uLong* bytesRecovered) {
const char* file;
const char* fileOut;
const char* fileOutTmp;
uLong* nRecovered;
uLong* bytesRecovered;
{
int err = Z_OK; int err = Z_OK;
FILE* fpZip = fopen(file, "rb"); FILE* fpZip = fopen(file, "rb");
FILE* fpOut = fopen(fileOut, "wb"); FILE* fpOut = fopen(fileOut, "wb");

File diff suppressed because it is too large Load Diff

View File

@ -83,12 +83,12 @@ typedef voidp unzFile;
/* tm_unz contain date/time info */ /* tm_unz contain date/time info */
typedef struct tm_unz_s typedef struct tm_unz_s
{ {
uInt tm_sec; /* seconds after the minute - [0,59] */ int tm_sec; /* seconds after the minute - [0,59] */
uInt tm_min; /* minutes after the hour - [0,59] */ int tm_min; /* minutes after the hour - [0,59] */
uInt tm_hour; /* hours since midnight - [0,23] */ int tm_hour; /* hours since midnight - [0,23] */
uInt tm_mday; /* day of the month - [1,31] */ int tm_mday; /* day of the month - [1,31] */
uInt tm_mon; /* months since January - [0,11] */ int tm_mon; /* months since January - [0,11] */
uInt tm_year; /* years - [1980..2044] */ int tm_year; /* years - [1980..2044] */
} tm_unz; } tm_unz;
/* unz_global_info structure contain global data about the ZIPfile /* unz_global_info structure contain global data about the ZIPfile
@ -150,21 +150,21 @@ typedef struct unz_file_info_s
tm_unz tmu_date; tm_unz tmu_date;
} unz_file_info; } unz_file_info;
extern int ZEXPORT unzStringFileNameCompare OF ((const char* fileName1, extern int ZEXPORT unzStringFileNameCompare(const char* fileName1,
const char* fileName2, const char* fileName2,
int iCaseSensitivity)); int iCaseSensitivity);
/* /*
Compare two filename (fileName1,fileName2). Compare two filenames (fileName1,fileName2).
If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp) If iCaseSensitivity = 1, comparison is case sensitive (like strcmp)
If iCaseSenisivity = 2, comparision is not case sensitivity (like strcmpi If iCaseSensitivity = 2, comparison is not case sensitive (like strcmpi
or strcasecmp) or strcasecmp)
If iCaseSenisivity = 0, case sensitivity is defaut of your operating system If iCaseSensitivity = 0, case sensitivity is default of your operating system
(like 1 on Unix, 2 on Windows) (like 1 on Unix, 2 on Windows)
*/ */
extern unzFile ZEXPORT unzOpen OF((const char *path)); extern unzFile ZEXPORT unzOpen(const char *path);
extern unzFile ZEXPORT unzOpen64 OF((const void *path)); extern unzFile ZEXPORT unzOpen64(const void *path);
/* /*
Open a Zip file. path contain the full pathname (by example, Open a Zip file. path contain the full pathname (by example,
on a Windows XP computer "c:\\zlib\\zlib113.zip" or on an Unix computer on a Windows XP computer "c:\\zlib\\zlib113.zip" or on an Unix computer
@ -181,41 +181,41 @@ extern unzFile ZEXPORT unzOpen64 OF((const void *path));
*/ */
extern unzFile ZEXPORT unzOpen2 OF((const char *path, extern unzFile ZEXPORT unzOpen2(const char *path,
zlib_filefunc_def* pzlib_filefunc_def)); zlib_filefunc_def* pzlib_filefunc_def);
/* /*
Open a Zip file, like unzOpen, but provide a set of file low level API Open a Zip file, like unzOpen, but provide a set of file low level API
for read/write the zip file (see ioapi.h) for read/write the zip file (see ioapi.h)
*/ */
extern unzFile ZEXPORT unzOpen2_64 OF((const void *path, extern unzFile ZEXPORT unzOpen2_64(const void *path,
zlib_filefunc64_def* pzlib_filefunc_def)); zlib_filefunc64_def* pzlib_filefunc_def);
/* /*
Open a Zip file, like unz64Open, but provide a set of file low level API Open a Zip file, like unz64Open, but provide a set of file low level API
for read/write the zip file (see ioapi.h) for read/write the zip file (see ioapi.h)
*/ */
extern int ZEXPORT unzClose OF((unzFile file)); extern int ZEXPORT unzClose(unzFile file);
/* /*
Close a ZipFile opened with unzOpen. Close a ZipFile opened with unzOpen.
If there is files inside the .Zip opened with unzOpenCurrentFile (see later), If there is files inside the .Zip opened with unzOpenCurrentFile (see later),
these files MUST be closed with unzCloseCurrentFile before call unzClose. these files MUST be closed with unzCloseCurrentFile before call unzClose.
return UNZ_OK if there is no problem. */ return UNZ_OK if there is no problem. */
extern int ZEXPORT unzGetGlobalInfo OF((unzFile file, extern int ZEXPORT unzGetGlobalInfo(unzFile file,
unz_global_info *pglobal_info)); unz_global_info *pglobal_info);
extern int ZEXPORT unzGetGlobalInfo64 OF((unzFile file, extern int ZEXPORT unzGetGlobalInfo64(unzFile file,
unz_global_info64 *pglobal_info)); unz_global_info64 *pglobal_info);
/* /*
Write info about the ZipFile in the *pglobal_info structure. Write info about the ZipFile in the *pglobal_info structure.
No preparation of the structure is needed No preparation of the structure is needed
return UNZ_OK if there is no problem. */ return UNZ_OK if there is no problem. */
extern int ZEXPORT unzGetGlobalComment OF((unzFile file, extern int ZEXPORT unzGetGlobalComment(unzFile file,
char *szComment, char *szComment,
uLong uSizeBuf)); uLong uSizeBuf);
/* /*
Get the global comment string of the ZipFile, in the szComment buffer. Get the global comment string of the ZipFile, in the szComment buffer.
uSizeBuf is the size of the szComment buffer. uSizeBuf is the size of the szComment buffer.
@ -226,22 +226,22 @@ extern int ZEXPORT unzGetGlobalComment OF((unzFile file,
/***************************************************************************/ /***************************************************************************/
/* Unzip package allow you browse the directory of the zipfile */ /* Unzip package allow you browse the directory of the zipfile */
extern int ZEXPORT unzGoToFirstFile OF((unzFile file)); extern int ZEXPORT unzGoToFirstFile(unzFile file);
/* /*
Set the current file of the zipfile to the first file. Set the current file of the zipfile to the first file.
return UNZ_OK if there is no problem return UNZ_OK if there is no problem
*/ */
extern int ZEXPORT unzGoToNextFile OF((unzFile file)); extern int ZEXPORT unzGoToNextFile(unzFile file);
/* /*
Set the current file of the zipfile to the next file. Set the current file of the zipfile to the next file.
return UNZ_OK if there is no problem return UNZ_OK if there is no problem
return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest. return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest.
*/ */
extern int ZEXPORT unzLocateFile OF((unzFile file, extern int ZEXPORT unzLocateFile(unzFile file,
const char *szFileName, const char *szFileName,
int iCaseSensitivity)); int iCaseSensitivity);
/* /*
Try locate the file szFileName in the zipfile. Try locate the file szFileName in the zipfile.
For the iCaseSensitivity signification, see unzStringFileNameCompare For the iCaseSensitivity signification, see unzStringFileNameCompare
@ -285,28 +285,28 @@ extern int ZEXPORT unzGoToFilePos64(
/* ****************************************** */ /* ****************************************** */
extern int ZEXPORT unzGetCurrentFileInfo64 OF((unzFile file, extern int ZEXPORT unzGetCurrentFileInfo64(unzFile file,
unz_file_info64 *pfile_info, unz_file_info64 *pfile_info,
char *szFileName, char *szFileName,
uLong fileNameBufferSize, uLong fileNameBufferSize,
void *extraField, void *extraField,
uLong extraFieldBufferSize, uLong extraFieldBufferSize,
char *szComment, char *szComment,
uLong commentBufferSize)); uLong commentBufferSize);
extern int ZEXPORT unzGetCurrentFileInfo OF((unzFile file, extern int ZEXPORT unzGetCurrentFileInfo(unzFile file,
unz_file_info *pfile_info, unz_file_info *pfile_info,
char *szFileName, char *szFileName,
uLong fileNameBufferSize, uLong fileNameBufferSize,
void *extraField, void *extraField,
uLong extraFieldBufferSize, uLong extraFieldBufferSize,
char *szComment, char *szComment,
uLong commentBufferSize)); uLong commentBufferSize);
/* /*
Get Info about the current file Get Info about the current file
if pfile_info!=NULL, the *pfile_info structure will contain somes info about if pfile_info!=NULL, the *pfile_info structure will contain some info about
the current file the current file
if szFileName!=NULL, the filemane string will be copied in szFileName if szFileName!=NULL, the filename string will be copied in szFileName
(fileNameBufferSize is the size of the buffer) (fileNameBufferSize is the size of the buffer)
if extraField!=NULL, the extra field information will be copied in extraField if extraField!=NULL, the extra field information will be copied in extraField
(extraFieldBufferSize is the size of the buffer). (extraFieldBufferSize is the size of the buffer).
@ -318,7 +318,7 @@ extern int ZEXPORT unzGetCurrentFileInfo OF((unzFile file,
/** Addition for GDAL : START */ /** Addition for GDAL : START */
extern ZPOS64_T ZEXPORT unzGetCurrentFileZStreamPos64 OF((unzFile file)); extern ZPOS64_T ZEXPORT unzGetCurrentFileZStreamPos64(unzFile file);
/** Addition for GDAL : END */ /** Addition for GDAL : END */
@ -328,24 +328,24 @@ extern ZPOS64_T ZEXPORT unzGetCurrentFileZStreamPos64 OF((unzFile file));
from it, and close it (you can close it before reading all the file) from it, and close it (you can close it before reading all the file)
*/ */
extern int ZEXPORT unzOpenCurrentFile OF((unzFile file)); extern int ZEXPORT unzOpenCurrentFile(unzFile file);
/* /*
Open for reading data the current file in the zipfile. Open for reading data the current file in the zipfile.
If there is no error, the return value is UNZ_OK. If there is no error, the return value is UNZ_OK.
*/ */
extern int ZEXPORT unzOpenCurrentFilePassword OF((unzFile file, extern int ZEXPORT unzOpenCurrentFilePassword(unzFile file,
const char* password)); const char* password);
/* /*
Open for reading data the current file in the zipfile. Open for reading data the current file in the zipfile.
password is a crypting password password is a crypting password
If there is no error, the return value is UNZ_OK. If there is no error, the return value is UNZ_OK.
*/ */
extern int ZEXPORT unzOpenCurrentFile2 OF((unzFile file, extern int ZEXPORT unzOpenCurrentFile2(unzFile file,
int* method, int* method,
int* level, int* level,
int raw)); int raw);
/* /*
Same than unzOpenCurrentFile, but open for read raw the file (not uncompress) Same than unzOpenCurrentFile, but open for read raw the file (not uncompress)
if raw==1 if raw==1
@ -355,11 +355,11 @@ extern int ZEXPORT unzOpenCurrentFile2 OF((unzFile file,
but you CANNOT set method parameter as NULL but you CANNOT set method parameter as NULL
*/ */
extern int ZEXPORT unzOpenCurrentFile3 OF((unzFile file, extern int ZEXPORT unzOpenCurrentFile3(unzFile file,
int* method, int* method,
int* level, int* level,
int raw, int raw,
const char* password)); const char* password);
/* /*
Same than unzOpenCurrentFile, but open for read raw the file (not uncompress) Same than unzOpenCurrentFile, but open for read raw the file (not uncompress)
if raw==1 if raw==1
@ -370,41 +370,41 @@ extern int ZEXPORT unzOpenCurrentFile3 OF((unzFile file,
*/ */
extern int ZEXPORT unzCloseCurrentFile OF((unzFile file)); extern int ZEXPORT unzCloseCurrentFile(unzFile file);
/* /*
Close the file in zip opened with unzOpenCurrentFile Close the file in zip opened with unzOpenCurrentFile
Return UNZ_CRCERROR if all the file was read but the CRC is not good Return UNZ_CRCERROR if all the file was read but the CRC is not good
*/ */
extern int ZEXPORT unzReadCurrentFile OF((unzFile file, extern int ZEXPORT unzReadCurrentFile(unzFile file,
voidp buf, voidp buf,
unsigned len)); unsigned len);
/* /*
Read bytes from the current file (opened by unzOpenCurrentFile) Read bytes from the current file (opened by unzOpenCurrentFile)
buf contain buffer where data must be copied buf contain buffer where data must be copied
len the size of buf. len the size of buf.
return the number of byte copied if somes bytes are copied return the number of byte copied if some bytes are copied
return 0 if the end of file was reached return 0 if the end of file was reached
return <0 with error code if there is an error return <0 with error code if there is an error
(UNZ_ERRNO for IO error, or zLib error for uncompress error) (UNZ_ERRNO for IO error, or zLib error for uncompress error)
*/ */
extern z_off_t ZEXPORT unztell OF((unzFile file)); extern z_off_t ZEXPORT unztell(unzFile file);
extern ZPOS64_T ZEXPORT unztell64 OF((unzFile file)); extern ZPOS64_T ZEXPORT unztell64(unzFile file);
/* /*
Give the current position in uncompressed data Give the current position in uncompressed data
*/ */
extern int ZEXPORT unzeof OF((unzFile file)); extern int ZEXPORT unzeof(unzFile file);
/* /*
return 1 if the end of file was reached, 0 elsewhere return 1 if the end of file was reached, 0 elsewhere
*/ */
extern int ZEXPORT unzGetLocalExtrafield OF((unzFile file, extern int ZEXPORT unzGetLocalExtrafield(unzFile file,
voidp buf, voidp buf,
unsigned len)); unsigned len);
/* /*
Read extra field from the current file (opened by unzOpenCurrentFile) Read extra field from the current file (opened by unzOpenCurrentFile)
This is the local-header version of the extra field (sometimes, there is This is the local-header version of the extra field (sometimes, there is

View File

@ -14,7 +14,7 @@
Oct-2009 - Mathias Svensson - Added Zip64 Support when creating new file archives Oct-2009 - Mathias Svensson - Added Zip64 Support when creating new file archives
Oct-2009 - Mathias Svensson - Did some code cleanup and refactoring to get better overview of some functions. Oct-2009 - Mathias Svensson - Did some code cleanup and refactoring to get better overview of some functions.
Oct-2009 - Mathias Svensson - Added zipRemoveExtraInfoBlock to strip extra field data from its ZIP64 data Oct-2009 - Mathias Svensson - Added zipRemoveExtraInfoBlock to strip extra field data from its ZIP64 data
It is used when recreting zip archive with RAW when deleting items from a zip. It is used when recreating zip archive with RAW when deleting items from a zip.
ZIP64 data is automatically added to items that needs it, and existing ZIP64 data need to be removed. ZIP64 data is automatically added to items that needs it, and existing ZIP64 data need to be removed.
Oct-2009 - Mathias Svensson - Added support for BZIP2 as compression mode (bzip2 lib is required) Oct-2009 - Mathias Svensson - Added support for BZIP2 as compression mode (bzip2 lib is required)
Jan-2010 - back to unzip and minizip 1.0 name scheme, with compatibility layer Jan-2010 - back to unzip and minizip 1.0 name scheme, with compatibility layer
@ -25,14 +25,13 @@
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
#include <stdint.h>
#include <time.h> #include <time.h>
#include "../../zlib.h" #include "../../zlib.h"
#include "zip.h" #include "zip.h"
#ifdef STDC #ifdef STDC
# include <stddef.h> # include <stddef.h>
# include <string.h>
# include <stdlib.h>
#endif #endif
#ifdef NO_ERRNO_H #ifdef NO_ERRNO_H
extern int errno; extern int errno;
@ -47,7 +46,7 @@
/* compile with -Dlocal if your debugger can't find static symbols */ /* compile with -Dlocal if your debugger can't find static symbols */
#ifndef VERSIONMADEBY #ifndef VERSIONMADEBY
# define VERSIONMADEBY (0x0) /* platform depedent */ # define VERSIONMADEBY (0x0) /* platform dependent */
#endif #endif
#ifndef Z_BUFSIZE #ifndef Z_BUFSIZE
@ -61,9 +60,6 @@
#ifndef ALLOC #ifndef ALLOC
# define ALLOC(size) (malloc(size)) # define ALLOC(size) (malloc(size))
#endif #endif
#ifndef TRYFREE
# define TRYFREE(p) {if (p) free(p);}
#endif
/* /*
#define SIZECENTRALDIRITEM (0x2e) #define SIZECENTRALDIRITEM (0x2e)
@ -138,37 +134,37 @@ typedef struct
uInt pos_in_buffered_data; /* last written byte in buffered_data */ uInt pos_in_buffered_data; /* last written byte in buffered_data */
ZPOS64_T pos_local_header; /* offset of the local header of the file ZPOS64_T pos_local_header; /* offset of the local header of the file
currenty writing */ currently writing */
char* central_header; /* central header data for the current file */ char* central_header; /* central header data for the current file */
uLong size_centralExtra; uLong size_centralExtra;
uLong size_centralheader; /* size of the central header for cur file */ uLong size_centralheader; /* size of the central header for cur file */
uLong size_centralExtraFree; /* Extra bytes allocated to the centralheader but that are not used */ uLong size_centralExtraFree; /* Extra bytes allocated to the centralheader but that are not used */
uLong flag; /* flag of the file currently writing */ uLong flag; /* flag of the file currently writing */
int method; /* compression method of file currenty wr.*/ int method; /* compression method of file currently wr.*/
int raw; /* 1 for directly writing raw data */ int raw; /* 1 for directly writing raw data */
Byte buffered_data[Z_BUFSIZE];/* buffer contain compressed data to be writ*/ Byte buffered_data[Z_BUFSIZE];/* buffer contain compressed data to be writ*/
uLong dosDate; uLong dosDate;
uLong crc32; uLong crc32;
int encrypt; int encrypt;
int zip64; /* Add ZIP64 extened information in the extra field */ int zip64; /* Add ZIP64 extended information in the extra field */
ZPOS64_T pos_zip64extrainfo; ZPOS64_T pos_zip64extrainfo;
ZPOS64_T totalCompressedData; ZPOS64_T totalCompressedData;
ZPOS64_T totalUncompressedData; ZPOS64_T totalUncompressedData;
#ifndef NOCRYPT #ifndef NOCRYPT
unsigned long keys[3]; /* keys defining the pseudo-random sequence */ unsigned long keys[3]; /* keys defining the pseudo-random sequence */
const z_crc_t* pcrc_32_tab; const z_crc_t* pcrc_32_tab;
int crypt_header_size; unsigned crypt_header_size;
#endif #endif
} curfile64_info; } curfile64_info;
typedef struct typedef struct
{ {
zlib_filefunc64_32_def z_filefunc; zlib_filefunc64_32_def z_filefunc;
voidpf filestream; /* io structore of the zipfile */ voidpf filestream; /* io structure of the zipfile */
linkedlist_data central_dir;/* datablock with central dir in construction*/ linkedlist_data central_dir;/* datablock with central dir in construction*/
int in_opened_file_inzip; /* 1 if a file in the zip is currently writ.*/ int in_opened_file_inzip; /* 1 if a file in the zip is currently writ.*/
curfile64_info ci; /* info on the file curretly writing */ curfile64_info ci; /* info on the file currently writing */
ZPOS64_T begin_pos; /* position of the beginning of the zipfile */ ZPOS64_T begin_pos; /* position of the beginning of the zipfile */
ZPOS64_T add_position_when_writing_offset; ZPOS64_T add_position_when_writing_offset;
@ -186,8 +182,7 @@ typedef struct
#include "crypt.h" #include "crypt.h"
#endif #endif
local linkedlist_datablock_internal* allocate_new_datablock() local linkedlist_datablock_internal* allocate_new_datablock(void) {
{
linkedlist_datablock_internal* ldi; linkedlist_datablock_internal* ldi;
ldi = (linkedlist_datablock_internal*) ldi = (linkedlist_datablock_internal*)
ALLOC(sizeof(linkedlist_datablock_internal)); ALLOC(sizeof(linkedlist_datablock_internal));
@ -200,30 +195,26 @@ local linkedlist_datablock_internal* allocate_new_datablock()
return ldi; return ldi;
} }
local void free_datablock(linkedlist_datablock_internal* ldi) local void free_datablock(linkedlist_datablock_internal* ldi) {
{
while (ldi!=NULL) while (ldi!=NULL)
{ {
linkedlist_datablock_internal* ldinext = ldi->next_datablock; linkedlist_datablock_internal* ldinext = ldi->next_datablock;
TRYFREE(ldi); free(ldi);
ldi = ldinext; ldi = ldinext;
} }
} }
local void init_linkedlist(linkedlist_data* ll) local void init_linkedlist(linkedlist_data* ll) {
{
ll->first_block = ll->last_block = NULL; ll->first_block = ll->last_block = NULL;
} }
local void free_linkedlist(linkedlist_data* ll) local void free_linkedlist(linkedlist_data* ll) {
{
free_datablock(ll->first_block); free_datablock(ll->first_block);
ll->first_block = ll->last_block = NULL; ll->first_block = ll->last_block = NULL;
} }
local int add_data_in_datablock(linkedlist_data* ll, const void* buf, uLong len) local int add_data_in_datablock(linkedlist_data* ll, const void* buf, uLong len) {
{
linkedlist_datablock_internal* ldi; linkedlist_datablock_internal* ldi;
const unsigned char* from_copy; const unsigned char* from_copy;
@ -238,7 +229,7 @@ local int add_data_in_datablock(linkedlist_data* ll, const void* buf, uLong len)
} }
ldi = ll->last_block; ldi = ll->last_block;
from_copy = (unsigned char*)buf; from_copy = (const unsigned char*)buf;
while (len>0) while (len>0)
{ {
@ -283,9 +274,7 @@ local int add_data_in_datablock(linkedlist_data* ll, const void* buf, uLong len)
nbByte == 1, 2 ,4 or 8 (byte, short or long, ZPOS64_T) nbByte == 1, 2 ,4 or 8 (byte, short or long, ZPOS64_T)
*/ */
local int zip64local_putValue OF((const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, ZPOS64_T x, int nbByte)); local int zip64local_putValue(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, ZPOS64_T x, int nbByte) {
local int zip64local_putValue (const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, ZPOS64_T x, int nbByte)
{
unsigned char buf[8]; unsigned char buf[8];
int n; int n;
for (n = 0; n < nbByte; n++) for (n = 0; n < nbByte; n++)
@ -301,15 +290,13 @@ local int zip64local_putValue (const zlib_filefunc64_32_def* pzlib_filefunc_def,
} }
} }
if (ZWRITE64(*pzlib_filefunc_def,filestream,buf,nbByte)!=(uLong)nbByte) if (ZWRITE64(*pzlib_filefunc_def,filestream,buf,(uLong)nbByte)!=(uLong)nbByte)
return ZIP_ERRNO; return ZIP_ERRNO;
else else
return ZIP_OK; return ZIP_OK;
} }
local void zip64local_putValue_inmemory OF((void* dest, ZPOS64_T x, int nbByte)); local void zip64local_putValue_inmemory (void* dest, ZPOS64_T x, int nbByte) {
local void zip64local_putValue_inmemory (void* dest, ZPOS64_T x, int nbByte)
{
unsigned char* buf=(unsigned char*)dest; unsigned char* buf=(unsigned char*)dest;
int n; int n;
for (n = 0; n < nbByte; n++) { for (n = 0; n < nbByte; n++) {
@ -329,25 +316,21 @@ local void zip64local_putValue_inmemory (void* dest, ZPOS64_T x, int nbByte)
/****************************************************************************/ /****************************************************************************/
local uLong zip64local_TmzDateToDosDate(const tm_zip* ptm) local uLong zip64local_TmzDateToDosDate(const tm_zip* ptm) {
{
uLong year = (uLong)ptm->tm_year; uLong year = (uLong)ptm->tm_year;
if (year>=1980) if (year>=1980)
year-=1980; year-=1980;
else if (year>=80) else if (year>=80)
year-=80; year-=80;
return return
(uLong) (((ptm->tm_mday) + (32 * (ptm->tm_mon+1)) + (512 * year)) << 16) | (uLong) (((uLong)(ptm->tm_mday) + (32 * (uLong)(ptm->tm_mon+1)) + (512 * year)) << 16) |
((ptm->tm_sec/2) + (32* ptm->tm_min) + (2048 * (uLong)ptm->tm_hour)); (((uLong)ptm->tm_sec/2) + (32 * (uLong)ptm->tm_min) + (2048 * (uLong)ptm->tm_hour));
} }
/****************************************************************************/ /****************************************************************************/
local int zip64local_getByte OF((const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, int *pi)); local int zip64local_getByte(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, int* pi) {
local int zip64local_getByte(const zlib_filefunc64_32_def* pzlib_filefunc_def,voidpf filestream,int* pi)
{
unsigned char c; unsigned char c;
int err = (int)ZREAD64(*pzlib_filefunc_def,filestream,&c,1); int err = (int)ZREAD64(*pzlib_filefunc_def,filestream,&c,1);
if (err==1) if (err==1)
@ -368,10 +351,7 @@ local int zip64local_getByte(const zlib_filefunc64_32_def* pzlib_filefunc_def,vo
/* =========================================================================== /* ===========================================================================
Reads a long in LSB order from the given gz_stream. Sets Reads a long in LSB order from the given gz_stream. Sets
*/ */
local int zip64local_getShort OF((const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, uLong *pX)); local int zip64local_getShort(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, uLong* pX) {
local int zip64local_getShort (const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, uLong* pX)
{
uLong x ; uLong x ;
int i = 0; int i = 0;
int err; int err;
@ -390,10 +370,7 @@ local int zip64local_getShort (const zlib_filefunc64_32_def* pzlib_filefunc_def,
return err; return err;
} }
local int zip64local_getLong OF((const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, uLong *pX)); local int zip64local_getLong(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, uLong* pX) {
local int zip64local_getLong (const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, uLong* pX)
{
uLong x ; uLong x ;
int i = 0; int i = 0;
int err; int err;
@ -420,11 +397,8 @@ local int zip64local_getLong (const zlib_filefunc64_32_def* pzlib_filefunc_def,
return err; return err;
} }
local int zip64local_getLong64 OF((const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, ZPOS64_T *pX));
local int zip64local_getLong64(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, ZPOS64_T *pX) {
local int zip64local_getLong64 (const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, ZPOS64_T *pX)
{
ZPOS64_T x; ZPOS64_T x;
int i = 0; int i = 0;
int err; int err;
@ -475,10 +449,7 @@ local int zip64local_getLong64 (const zlib_filefunc64_32_def* pzlib_filefunc_def
Locate the Central directory of a zipfile (at the end, just before Locate the Central directory of a zipfile (at the end, just before
the global comment) the global comment)
*/ */
local ZPOS64_T zip64local_SearchCentralDir OF((const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream)); local ZPOS64_T zip64local_SearchCentralDir(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream) {
local ZPOS64_T zip64local_SearchCentralDir(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream)
{
unsigned char* buf; unsigned char* buf;
ZPOS64_T uSizeFile; ZPOS64_T uSizeFile;
ZPOS64_T uBackRead; ZPOS64_T uBackRead;
@ -522,14 +493,14 @@ local ZPOS64_T zip64local_SearchCentralDir(const zlib_filefunc64_32_def* pzlib_f
if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) && if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) &&
((*(buf+i+2))==0x05) && ((*(buf+i+3))==0x06)) ((*(buf+i+2))==0x05) && ((*(buf+i+3))==0x06))
{ {
uPosFound = uReadPos+i; uPosFound = uReadPos+(unsigned)i;
break; break;
} }
if (uPosFound!=0) if (uPosFound!=0)
break; break;
} }
TRYFREE(buf); free(buf);
return uPosFound; return uPosFound;
} }
@ -537,10 +508,7 @@ local ZPOS64_T zip64local_SearchCentralDir(const zlib_filefunc64_32_def* pzlib_f
Locate the End of Zip64 Central directory locator and from there find the CD of a zipfile (at the end, just before Locate the End of Zip64 Central directory locator and from there find the CD of a zipfile (at the end, just before
the global comment) the global comment)
*/ */
local ZPOS64_T zip64local_SearchCentralDir64 OF((const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream)); local ZPOS64_T zip64local_SearchCentralDir64(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream) {
local ZPOS64_T zip64local_SearchCentralDir64(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream)
{
unsigned char* buf; unsigned char* buf;
ZPOS64_T uSizeFile; ZPOS64_T uSizeFile;
ZPOS64_T uBackRead; ZPOS64_T uBackRead;
@ -586,7 +554,7 @@ local ZPOS64_T zip64local_SearchCentralDir64(const zlib_filefunc64_32_def* pzlib
// Signature "0x07064b50" Zip64 end of central directory locater // Signature "0x07064b50" Zip64 end of central directory locater
if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) && ((*(buf+i+2))==0x06) && ((*(buf+i+3))==0x07)) if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) && ((*(buf+i+2))==0x06) && ((*(buf+i+3))==0x07))
{ {
uPosFound = uReadPos+i; uPosFound = uReadPos+(unsigned)i;
break; break;
} }
} }
@ -595,7 +563,7 @@ local ZPOS64_T zip64local_SearchCentralDir64(const zlib_filefunc64_32_def* pzlib
break; break;
} }
TRYFREE(buf); free(buf);
if (uPosFound == 0) if (uPosFound == 0)
return 0; return 0;
@ -607,7 +575,7 @@ local ZPOS64_T zip64local_SearchCentralDir64(const zlib_filefunc64_32_def* pzlib
if (zip64local_getLong(pzlib_filefunc_def,filestream,&uL)!=ZIP_OK) if (zip64local_getLong(pzlib_filefunc_def,filestream,&uL)!=ZIP_OK)
return 0; return 0;
/* number of the disk with the start of the zip64 end of central directory */ /* number of the disk with the start of the zip64 end of central directory */
if (zip64local_getLong(pzlib_filefunc_def,filestream,&uL)!=ZIP_OK) if (zip64local_getLong(pzlib_filefunc_def,filestream,&uL)!=ZIP_OK)
return 0; return 0;
if (uL != 0) if (uL != 0)
@ -637,8 +605,7 @@ local ZPOS64_T zip64local_SearchCentralDir64(const zlib_filefunc64_32_def* pzlib
return relativeOffset; return relativeOffset;
} }
int LoadCentralDirectoryRecord(zip64_internal* pziinit) local int LoadCentralDirectoryRecord(zip64_internal* pziinit) {
{
int err=ZIP_OK; int err=ZIP_OK;
ZPOS64_T byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/ ZPOS64_T byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/
@ -647,10 +614,10 @@ int LoadCentralDirectoryRecord(zip64_internal* pziinit)
ZPOS64_T central_pos; ZPOS64_T central_pos;
uLong uL; uLong uL;
uLong number_disk; /* number of the current dist, used for uLong number_disk; /* number of the current disk, used for
spaning ZIP, unsupported, always 0*/ spanning ZIP, unsupported, always 0*/
uLong number_disk_with_CD; /* number the the disk with central dir, used uLong number_disk_with_CD; /* number of the disk with central dir, used
for spaning ZIP, unsupported, always 0*/ for spanning ZIP, unsupported, always 0*/
ZPOS64_T number_entry; ZPOS64_T number_entry;
ZPOS64_T number_entry_CD; /* total number of entries in ZPOS64_T number_entry_CD; /* total number of entries in
the central dir the central dir
@ -830,7 +797,7 @@ int LoadCentralDirectoryRecord(zip64_internal* pziinit)
size_central_dir_to_read-=read_this; size_central_dir_to_read-=read_this;
} }
TRYFREE(buf_read); free(buf_read);
} }
pziinit->begin_pos = byte_before_the_zipfile; pziinit->begin_pos = byte_before_the_zipfile;
pziinit->number_entry = number_entry_CD; pziinit->number_entry = number_entry_CD;
@ -846,8 +813,7 @@ int LoadCentralDirectoryRecord(zip64_internal* pziinit)
/************************************************************/ /************************************************************/
extern zipFile ZEXPORT zipOpen3 (const void *pathname, int append, zipcharpc* globalcomment, zlib_filefunc64_32_def* pzlib_filefunc64_32_def) extern zipFile ZEXPORT zipOpen3(const void *pathname, int append, zipcharpc* globalcomment, zlib_filefunc64_32_def* pzlib_filefunc64_32_def) {
{
zip64_internal ziinit; zip64_internal ziinit;
zip64_internal* zi; zip64_internal* zi;
int err=ZIP_OK; int err=ZIP_OK;
@ -905,9 +871,9 @@ extern zipFile ZEXPORT zipOpen3 (const void *pathname, int append, zipcharpc* gl
if (err != ZIP_OK) if (err != ZIP_OK)
{ {
# ifndef NO_ADDFILEINEXISTINGZIP # ifndef NO_ADDFILEINEXISTINGZIP
TRYFREE(ziinit.globalcomment); free(ziinit.globalcomment);
# endif /* !NO_ADDFILEINEXISTINGZIP*/ # endif /* !NO_ADDFILEINEXISTINGZIP*/
TRYFREE(zi); free(zi);
return NULL; return NULL;
} }
else else
@ -917,8 +883,7 @@ extern zipFile ZEXPORT zipOpen3 (const void *pathname, int append, zipcharpc* gl
} }
} }
extern zipFile ZEXPORT zipOpen2 (const char *pathname, int append, zipcharpc* globalcomment, zlib_filefunc_def* pzlib_filefunc32_def) extern zipFile ZEXPORT zipOpen2(const char *pathname, int append, zipcharpc* globalcomment, zlib_filefunc_def* pzlib_filefunc32_def) {
{
if (pzlib_filefunc32_def != NULL) if (pzlib_filefunc32_def != NULL)
{ {
zlib_filefunc64_32_def zlib_filefunc64_32_def_fill; zlib_filefunc64_32_def zlib_filefunc64_32_def_fill;
@ -929,8 +894,7 @@ extern zipFile ZEXPORT zipOpen2 (const char *pathname, int append, zipcharpc* gl
return zipOpen3(pathname, append, globalcomment, NULL); return zipOpen3(pathname, append, globalcomment, NULL);
} }
extern zipFile ZEXPORT zipOpen2_64 (const void *pathname, int append, zipcharpc* globalcomment, zlib_filefunc64_def* pzlib_filefunc_def) extern zipFile ZEXPORT zipOpen2_64(const void *pathname, int append, zipcharpc* globalcomment, zlib_filefunc64_def* pzlib_filefunc_def) {
{
if (pzlib_filefunc_def != NULL) if (pzlib_filefunc_def != NULL)
{ {
zlib_filefunc64_32_def zlib_filefunc64_32_def_fill; zlib_filefunc64_32_def zlib_filefunc64_32_def_fill;
@ -945,18 +909,15 @@ extern zipFile ZEXPORT zipOpen2_64 (const void *pathname, int append, zipcharpc*
extern zipFile ZEXPORT zipOpen (const char* pathname, int append) extern zipFile ZEXPORT zipOpen(const char* pathname, int append) {
{
return zipOpen3((const void*)pathname,append,NULL,NULL); return zipOpen3((const void*)pathname,append,NULL,NULL);
} }
extern zipFile ZEXPORT zipOpen64 (const void* pathname, int append) extern zipFile ZEXPORT zipOpen64(const void* pathname, int append) {
{
return zipOpen3(pathname,append,NULL,NULL); return zipOpen3(pathname,append,NULL,NULL);
} }
int Write_LocalFileHeader(zip64_internal* zi, const char* filename, uInt size_extrafield_local, const void* extrafield_local) local int Write_LocalFileHeader(zip64_internal* zi, const char* filename, uInt size_extrafield_local, const void* extrafield_local) {
{
/* write the local header */ /* write the local header */
int err; int err;
uInt size_filename = (uInt)strlen(filename); uInt size_filename = (uInt)strlen(filename);
@ -1034,8 +995,8 @@ int Write_LocalFileHeader(zip64_internal* zi, const char* filename, uInt size_ex
// Remember position of Zip64 extended info for the local file header. (needed when we update size after done with file) // Remember position of Zip64 extended info for the local file header. (needed when we update size after done with file)
zi->ci.pos_zip64extrainfo = ZTELL64(zi->z_filefunc,zi->filestream); zi->ci.pos_zip64extrainfo = ZTELL64(zi->z_filefunc,zi->filestream);
err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (short)HeaderID,2); err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (ZPOS64_T)HeaderID,2);
err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (short)DataSize,2); err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (ZPOS64_T)DataSize,2);
err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (ZPOS64_T)UncompressedSize,8); err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (ZPOS64_T)UncompressedSize,8);
err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (ZPOS64_T)CompressedSize,8); err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (ZPOS64_T)CompressedSize,8);
@ -1052,14 +1013,13 @@ int Write_LocalFileHeader(zip64_internal* zi, const char* filename, uInt size_ex
It is not done here because then we need to realloc a new buffer since parameters are 'const' and I want to minimize It is not done here because then we need to realloc a new buffer since parameters are 'const' and I want to minimize
unnecessary allocations. unnecessary allocations.
*/ */
extern int ZEXPORT zipOpenNewFileInZip4_64 (zipFile file, const char* filename, const zip_fileinfo* zipfi, extern int ZEXPORT zipOpenNewFileInZip4_64(zipFile file, const char* filename, const zip_fileinfo* zipfi,
const void* extrafield_local, uInt size_extrafield_local, const void* extrafield_local, uInt size_extrafield_local,
const void* extrafield_global, uInt size_extrafield_global, const void* extrafield_global, uInt size_extrafield_global,
const char* comment, int method, int level, int raw, const char* comment, int method, int level, int raw,
int windowBits,int memLevel, int strategy, int windowBits,int memLevel, int strategy,
const char* password, uLong crcForCrypting, const char* password, uLong crcForCrypting,
uLong versionMadeBy, uLong flagBase, int zip64) uLong versionMadeBy, uLong flagBase, int zip64) {
{
zip64_internal* zi; zip64_internal* zi;
uInt size_filename; uInt size_filename;
uInt size_comment; uInt size_comment;
@ -1083,6 +1043,17 @@ extern int ZEXPORT zipOpenNewFileInZip4_64 (zipFile file, const char* filename,
return ZIP_PARAMERROR; return ZIP_PARAMERROR;
#endif #endif
// The filename and comment length must fit in 16 bits.
if ((filename!=NULL) && (strlen(filename)>0xffff))
return ZIP_PARAMERROR;
if ((comment!=NULL) && (strlen(comment)>0xffff))
return ZIP_PARAMERROR;
// The extra field length must fit in 16 bits. If the member also requires
// a Zip64 extra block, that will also need to fit within that 16-bit
// length, but that will be checked for later.
if ((size_extrafield_local>0xffff) || (size_extrafield_global>0xffff))
return ZIP_PARAMERROR;
zi = (zip64_internal*)file; zi = (zip64_internal*)file;
if (zi->in_opened_file_inzip == 1) if (zi->in_opened_file_inzip == 1)
@ -1262,35 +1233,33 @@ extern int ZEXPORT zipOpenNewFileInZip4_64 (zipFile file, const char* filename,
return err; return err;
} }
extern int ZEXPORT zipOpenNewFileInZip4 (zipFile file, const char* filename, const zip_fileinfo* zipfi, extern int ZEXPORT zipOpenNewFileInZip4(zipFile file, const char* filename, const zip_fileinfo* zipfi,
const void* extrafield_local, uInt size_extrafield_local, const void* extrafield_local, uInt size_extrafield_local,
const void* extrafield_global, uInt size_extrafield_global, const void* extrafield_global, uInt size_extrafield_global,
const char* comment, int method, int level, int raw, const char* comment, int method, int level, int raw,
int windowBits,int memLevel, int strategy, int windowBits,int memLevel, int strategy,
const char* password, uLong crcForCrypting, const char* password, uLong crcForCrypting,
uLong versionMadeBy, uLong flagBase) uLong versionMadeBy, uLong flagBase) {
{ return zipOpenNewFileInZip4_64(file, filename, zipfi,
return zipOpenNewFileInZip4_64 (file, filename, zipfi, extrafield_local, size_extrafield_local,
extrafield_local, size_extrafield_local, extrafield_global, size_extrafield_global,
extrafield_global, size_extrafield_global, comment, method, level, raw,
comment, method, level, raw, windowBits, memLevel, strategy,
windowBits, memLevel, strategy, password, crcForCrypting, versionMadeBy, flagBase, 0);
password, crcForCrypting, versionMadeBy, flagBase, 0);
} }
extern int ZEXPORT zipOpenNewFileInZip3 (zipFile file, const char* filename, const zip_fileinfo* zipfi, extern int ZEXPORT zipOpenNewFileInZip3(zipFile file, const char* filename, const zip_fileinfo* zipfi,
const void* extrafield_local, uInt size_extrafield_local, const void* extrafield_local, uInt size_extrafield_local,
const void* extrafield_global, uInt size_extrafield_global, const void* extrafield_global, uInt size_extrafield_global,
const char* comment, int method, int level, int raw, const char* comment, int method, int level, int raw,
int windowBits,int memLevel, int strategy, int windowBits,int memLevel, int strategy,
const char* password, uLong crcForCrypting) const char* password, uLong crcForCrypting) {
{ return zipOpenNewFileInZip4_64(file, filename, zipfi,
return zipOpenNewFileInZip4_64 (file, filename, zipfi, extrafield_local, size_extrafield_local,
extrafield_local, size_extrafield_local, extrafield_global, size_extrafield_global,
extrafield_global, size_extrafield_global, comment, method, level, raw,
comment, method, level, raw, windowBits, memLevel, strategy,
windowBits, memLevel, strategy, password, crcForCrypting, VERSIONMADEBY, 0, 0);
password, crcForCrypting, VERSIONMADEBY, 0, 0);
} }
extern int ZEXPORT zipOpenNewFileInZip3_64(zipFile file, const char* filename, const zip_fileinfo* zipfi, extern int ZEXPORT zipOpenNewFileInZip3_64(zipFile file, const char* filename, const zip_fileinfo* zipfi,
@ -1298,70 +1267,64 @@ extern int ZEXPORT zipOpenNewFileInZip3_64(zipFile file, const char* filename, c
const void* extrafield_global, uInt size_extrafield_global, const void* extrafield_global, uInt size_extrafield_global,
const char* comment, int method, int level, int raw, const char* comment, int method, int level, int raw,
int windowBits,int memLevel, int strategy, int windowBits,int memLevel, int strategy,
const char* password, uLong crcForCrypting, int zip64) const char* password, uLong crcForCrypting, int zip64) {
{ return zipOpenNewFileInZip4_64(file, filename, zipfi,
return zipOpenNewFileInZip4_64 (file, filename, zipfi, extrafield_local, size_extrafield_local,
extrafield_local, size_extrafield_local, extrafield_global, size_extrafield_global,
extrafield_global, size_extrafield_global, comment, method, level, raw,
comment, method, level, raw, windowBits, memLevel, strategy,
windowBits, memLevel, strategy, password, crcForCrypting, VERSIONMADEBY, 0, zip64);
password, crcForCrypting, VERSIONMADEBY, 0, zip64);
} }
extern int ZEXPORT zipOpenNewFileInZip2(zipFile file, const char* filename, const zip_fileinfo* zipfi, extern int ZEXPORT zipOpenNewFileInZip2(zipFile file, const char* filename, const zip_fileinfo* zipfi,
const void* extrafield_local, uInt size_extrafield_local, const void* extrafield_local, uInt size_extrafield_local,
const void* extrafield_global, uInt size_extrafield_global, const void* extrafield_global, uInt size_extrafield_global,
const char* comment, int method, int level, int raw) const char* comment, int method, int level, int raw) {
{ return zipOpenNewFileInZip4_64(file, filename, zipfi,
return zipOpenNewFileInZip4_64 (file, filename, zipfi, extrafield_local, size_extrafield_local,
extrafield_local, size_extrafield_local, extrafield_global, size_extrafield_global,
extrafield_global, size_extrafield_global, comment, method, level, raw,
comment, method, level, raw, -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY,
-MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, NULL, 0, VERSIONMADEBY, 0, 0);
NULL, 0, VERSIONMADEBY, 0, 0);
} }
extern int ZEXPORT zipOpenNewFileInZip2_64(zipFile file, const char* filename, const zip_fileinfo* zipfi, extern int ZEXPORT zipOpenNewFileInZip2_64(zipFile file, const char* filename, const zip_fileinfo* zipfi,
const void* extrafield_local, uInt size_extrafield_local, const void* extrafield_local, uInt size_extrafield_local,
const void* extrafield_global, uInt size_extrafield_global, const void* extrafield_global, uInt size_extrafield_global,
const char* comment, int method, int level, int raw, int zip64) const char* comment, int method, int level, int raw, int zip64) {
{ return zipOpenNewFileInZip4_64(file, filename, zipfi,
return zipOpenNewFileInZip4_64 (file, filename, zipfi, extrafield_local, size_extrafield_local,
extrafield_local, size_extrafield_local, extrafield_global, size_extrafield_global,
extrafield_global, size_extrafield_global, comment, method, level, raw,
comment, method, level, raw, -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY,
-MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, NULL, 0, VERSIONMADEBY, 0, zip64);
NULL, 0, VERSIONMADEBY, 0, zip64);
} }
extern int ZEXPORT zipOpenNewFileInZip64 (zipFile file, const char* filename, const zip_fileinfo* zipfi, extern int ZEXPORT zipOpenNewFileInZip64(zipFile file, const char* filename, const zip_fileinfo* zipfi,
const void* extrafield_local, uInt size_extrafield_local, const void* extrafield_local, uInt size_extrafield_local,
const void*extrafield_global, uInt size_extrafield_global, const void*extrafield_global, uInt size_extrafield_global,
const char* comment, int method, int level, int zip64) const char* comment, int method, int level, int zip64) {
{ return zipOpenNewFileInZip4_64(file, filename, zipfi,
return zipOpenNewFileInZip4_64 (file, filename, zipfi, extrafield_local, size_extrafield_local,
extrafield_local, size_extrafield_local, extrafield_global, size_extrafield_global,
extrafield_global, size_extrafield_global, comment, method, level, 0,
comment, method, level, 0, -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY,
-MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, NULL, 0, VERSIONMADEBY, 0, zip64);
NULL, 0, VERSIONMADEBY, 0, zip64);
} }
extern int ZEXPORT zipOpenNewFileInZip (zipFile file, const char* filename, const zip_fileinfo* zipfi, extern int ZEXPORT zipOpenNewFileInZip(zipFile file, const char* filename, const zip_fileinfo* zipfi,
const void* extrafield_local, uInt size_extrafield_local, const void* extrafield_local, uInt size_extrafield_local,
const void*extrafield_global, uInt size_extrafield_global, const void*extrafield_global, uInt size_extrafield_global,
const char* comment, int method, int level) const char* comment, int method, int level) {
{ return zipOpenNewFileInZip4_64(file, filename, zipfi,
return zipOpenNewFileInZip4_64 (file, filename, zipfi, extrafield_local, size_extrafield_local,
extrafield_local, size_extrafield_local, extrafield_global, size_extrafield_global,
extrafield_global, size_extrafield_global, comment, method, level, 0,
comment, method, level, 0, -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY,
-MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, NULL, 0, VERSIONMADEBY, 0, 0);
NULL, 0, VERSIONMADEBY, 0, 0);
} }
local int zip64FlushWriteBuffer(zip64_internal* zi) local int zip64FlushWriteBuffer(zip64_internal* zi) {
{
int err=ZIP_OK; int err=ZIP_OK;
if (zi->ci.encrypt != 0) if (zi->ci.encrypt != 0)
@ -1399,8 +1362,7 @@ local int zip64FlushWriteBuffer(zip64_internal* zi)
return err; return err;
} }
extern int ZEXPORT zipWriteInFileInZip (zipFile file,const void* buf,unsigned int len) extern int ZEXPORT zipWriteInFileInZip(zipFile file, const void* buf, unsigned int len) {
{
zip64_internal* zi; zip64_internal* zi;
int err=ZIP_OK; int err=ZIP_OK;
@ -1450,7 +1412,7 @@ extern int ZEXPORT zipWriteInFileInZip (zipFile file,const void* buf,unsigned in
else else
#endif #endif
{ {
zi->ci.stream.next_in = (Bytef*)buf; zi->ci.stream.next_in = (Bytef*)(uintptr_t)buf;
zi->ci.stream.avail_in = len; zi->ci.stream.avail_in = len;
while ((err==ZIP_OK) && (zi->ci.stream.avail_in>0)) while ((err==ZIP_OK) && (zi->ci.stream.avail_in>0))
@ -1471,11 +1433,6 @@ extern int ZEXPORT zipWriteInFileInZip (zipFile file,const void* buf,unsigned in
{ {
uLong uTotalOutBefore = zi->ci.stream.total_out; uLong uTotalOutBefore = zi->ci.stream.total_out;
err=deflate(&zi->ci.stream, Z_NO_FLUSH); err=deflate(&zi->ci.stream, Z_NO_FLUSH);
if(uTotalOutBefore > zi->ci.stream.total_out)
{
int bBreak = 0;
bBreak++;
}
zi->ci.pos_in_buffered_data += (uInt)(zi->ci.stream.total_out - uTotalOutBefore) ; zi->ci.pos_in_buffered_data += (uInt)(zi->ci.stream.total_out - uTotalOutBefore) ;
} }
@ -1506,17 +1463,15 @@ extern int ZEXPORT zipWriteInFileInZip (zipFile file,const void* buf,unsigned in
return err; return err;
} }
extern int ZEXPORT zipCloseFileInZipRaw (zipFile file, uLong uncompressed_size, uLong crc32) extern int ZEXPORT zipCloseFileInZipRaw(zipFile file, uLong uncompressed_size, uLong crc32) {
{
return zipCloseFileInZipRaw64 (file, uncompressed_size, crc32); return zipCloseFileInZipRaw64 (file, uncompressed_size, crc32);
} }
extern int ZEXPORT zipCloseFileInZipRaw64 (zipFile file, ZPOS64_T uncompressed_size, uLong crc32) extern int ZEXPORT zipCloseFileInZipRaw64(zipFile file, ZPOS64_T uncompressed_size, uLong crc32) {
{
zip64_internal* zi; zip64_internal* zi;
ZPOS64_T compressed_size; ZPOS64_T compressed_size;
uLong invalidValue = 0xffffffff; uLong invalidValue = 0xffffffff;
short datasize = 0; unsigned datasize = 0;
int err=ZIP_OK; int err=ZIP_OK;
if (file == NULL) if (file == NULL)
@ -1653,7 +1608,7 @@ extern int ZEXPORT zipCloseFileInZipRaw64 (zipFile file, ZPOS64_T uncompressed_s
if((uLong)(datasize + 4) > zi->ci.size_centralExtraFree) if((uLong)(datasize + 4) > zi->ci.size_centralExtraFree)
{ {
// we can not write more data to the buffer that we have room for. // we cannot write more data to the buffer that we have room for.
return ZIP_BADZIPFILE; return ZIP_BADZIPFILE;
} }
@ -1747,13 +1702,11 @@ extern int ZEXPORT zipCloseFileInZipRaw64 (zipFile file, ZPOS64_T uncompressed_s
return err; return err;
} }
extern int ZEXPORT zipCloseFileInZip (zipFile file) extern int ZEXPORT zipCloseFileInZip(zipFile file) {
{
return zipCloseFileInZipRaw (file,0,0); return zipCloseFileInZipRaw (file,0,0);
} }
int Write_Zip64EndOfCentralDirectoryLocator(zip64_internal* zi, ZPOS64_T zip64eocd_pos_inzip) local int Write_Zip64EndOfCentralDirectoryLocator(zip64_internal* zi, ZPOS64_T zip64eocd_pos_inzip) {
{
int err = ZIP_OK; int err = ZIP_OK;
ZPOS64_T pos = zip64eocd_pos_inzip - zi->add_position_when_writing_offset; ZPOS64_T pos = zip64eocd_pos_inzip - zi->add_position_when_writing_offset;
@ -1774,8 +1727,7 @@ int Write_Zip64EndOfCentralDirectoryLocator(zip64_internal* zi, ZPOS64_T zip64eo
return err; return err;
} }
int Write_Zip64EndOfCentralDirectoryRecord(zip64_internal* zi, uLong size_centraldir, ZPOS64_T centraldir_pos_inzip) local int Write_Zip64EndOfCentralDirectoryRecord(zip64_internal* zi, uLong size_centraldir, ZPOS64_T centraldir_pos_inzip) {
{
int err = ZIP_OK; int err = ZIP_OK;
uLong Zip64DataSize = 44; uLong Zip64DataSize = 44;
@ -1813,8 +1765,8 @@ int Write_Zip64EndOfCentralDirectoryRecord(zip64_internal* zi, uLong size_centra
} }
return err; return err;
} }
int Write_EndOfCentralDirectoryRecord(zip64_internal* zi, uLong size_centraldir, ZPOS64_T centraldir_pos_inzip)
{ local int Write_EndOfCentralDirectoryRecord(zip64_internal* zi, uLong size_centraldir, ZPOS64_T centraldir_pos_inzip) {
int err = ZIP_OK; int err = ZIP_OK;
/*signature*/ /*signature*/
@ -1861,8 +1813,7 @@ int Write_EndOfCentralDirectoryRecord(zip64_internal* zi, uLong size_centraldir,
return err; return err;
} }
int Write_GlobalComment(zip64_internal* zi, const char* global_comment) local int Write_GlobalComment(zip64_internal* zi, const char* global_comment) {
{
int err = ZIP_OK; int err = ZIP_OK;
uInt size_global_comment = 0; uInt size_global_comment = 0;
@ -1879,8 +1830,7 @@ int Write_GlobalComment(zip64_internal* zi, const char* global_comment)
return err; return err;
} }
extern int ZEXPORT zipClose (zipFile file, const char* global_comment) extern int ZEXPORT zipClose(zipFile file, const char* global_comment) {
{
zip64_internal* zi; zip64_internal* zi;
int err = 0; int err = 0;
uLong size_centraldir = 0; uLong size_centraldir = 0;
@ -1922,7 +1872,7 @@ extern int ZEXPORT zipClose (zipFile file, const char* global_comment)
free_linkedlist(&(zi->central_dir)); free_linkedlist(&(zi->central_dir));
pos = centraldir_pos_inzip - zi->add_position_when_writing_offset; pos = centraldir_pos_inzip - zi->add_position_when_writing_offset;
if(pos >= 0xffffffff || zi->number_entry > 0xFFFF) if(pos >= 0xffffffff || zi->number_entry >= 0xFFFF)
{ {
ZPOS64_T Zip64EOCDpos = ZTELL64(zi->z_filefunc,zi->filestream); ZPOS64_T Zip64EOCDpos = ZTELL64(zi->z_filefunc,zi->filestream);
Write_Zip64EndOfCentralDirectoryRecord(zi, size_centraldir, centraldir_pos_inzip); Write_Zip64EndOfCentralDirectoryRecord(zi, size_centraldir, centraldir_pos_inzip);
@ -1941,15 +1891,14 @@ extern int ZEXPORT zipClose (zipFile file, const char* global_comment)
err = ZIP_ERRNO; err = ZIP_ERRNO;
#ifndef NO_ADDFILEINEXISTINGZIP #ifndef NO_ADDFILEINEXISTINGZIP
TRYFREE(zi->globalcomment); free(zi->globalcomment);
#endif #endif
TRYFREE(zi); free(zi);
return err; return err;
} }
extern int ZEXPORT zipRemoveExtraInfoBlock (char* pData, int* dataLen, short sHeader) extern int ZEXPORT zipRemoveExtraInfoBlock(char* pData, int* dataLen, short sHeader) {
{
char* p = pData; char* p = pData;
int size = 0; int size = 0;
char* pNewHeader; char* pNewHeader;
@ -1959,10 +1908,10 @@ extern int ZEXPORT zipRemoveExtraInfoBlock (char* pData, int* dataLen, short sHe
int retVal = ZIP_OK; int retVal = ZIP_OK;
if(pData == NULL || *dataLen < 4) if(pData == NULL || dataLen == NULL || *dataLen < 4)
return ZIP_PARAMERROR; return ZIP_PARAMERROR;
pNewHeader = (char*)ALLOC(*dataLen); pNewHeader = (char*)ALLOC((unsigned)*dataLen);
pTmp = pNewHeader; pTmp = pNewHeader;
while(p < (pData + *dataLen)) while(p < (pData + *dataLen))
@ -2001,7 +1950,7 @@ extern int ZEXPORT zipRemoveExtraInfoBlock (char* pData, int* dataLen, short sHe
else else
retVal = ZIP_ERRNO; retVal = ZIP_ERRNO;
TRYFREE(pNewHeader); free(pNewHeader);
return retVal; return retVal;
} }

View File

@ -88,12 +88,12 @@ typedef voidp zipFile;
/* tm_zip contain date/time info */ /* tm_zip contain date/time info */
typedef struct tm_zip_s typedef struct tm_zip_s
{ {
uInt tm_sec; /* seconds after the minute - [0,59] */ int tm_sec; /* seconds after the minute - [0,59] */
uInt tm_min; /* minutes after the hour - [0,59] */ int tm_min; /* minutes after the hour - [0,59] */
uInt tm_hour; /* hours since midnight - [0,23] */ int tm_hour; /* hours since midnight - [0,23] */
uInt tm_mday; /* day of the month - [1,31] */ int tm_mday; /* day of the month - [1,31] */
uInt tm_mon; /* months since January - [0,11] */ int tm_mon; /* months since January - [0,11] */
uInt tm_year; /* years - [1980..2044] */ int tm_year; /* years - [1980..2044] */
} tm_zip; } tm_zip;
typedef struct typedef struct
@ -113,8 +113,8 @@ typedef const char* zipcharpc;
#define APPEND_STATUS_CREATEAFTER (1) #define APPEND_STATUS_CREATEAFTER (1)
#define APPEND_STATUS_ADDINZIP (2) #define APPEND_STATUS_ADDINZIP (2)
extern zipFile ZEXPORT zipOpen OF((const char *pathname, int append)); extern zipFile ZEXPORT zipOpen(const char *pathname, int append);
extern zipFile ZEXPORT zipOpen64 OF((const void *pathname, int append)); extern zipFile ZEXPORT zipOpen64(const void *pathname, int append);
/* /*
Create a zipfile. Create a zipfile.
pathname contain on Windows XP a filename like "c:\\zlib\\zlib113.zip" or on pathname contain on Windows XP a filename like "c:\\zlib\\zlib113.zip" or on
@ -131,50 +131,55 @@ extern zipFile ZEXPORT zipOpen64 OF((const void *pathname, int append));
/* Note : there is no delete function into a zipfile. /* Note : there is no delete function into a zipfile.
If you want delete file into a zipfile, you must open a zipfile, and create another If you want delete file into a zipfile, you must open a zipfile, and create another
Of couse, you can use RAW reading and writing to copy the file you did not want delte Of course, you can use RAW reading and writing to copy the file you did not want delete
*/ */
extern zipFile ZEXPORT zipOpen2 OF((const char *pathname, extern zipFile ZEXPORT zipOpen2(const char *pathname,
int append,
zipcharpc* globalcomment,
zlib_filefunc_def* pzlib_filefunc_def);
extern zipFile ZEXPORT zipOpen2_64(const void *pathname,
int append, int append,
zipcharpc* globalcomment, zipcharpc* globalcomment,
zlib_filefunc_def* pzlib_filefunc_def)); zlib_filefunc64_def* pzlib_filefunc_def);
extern zipFile ZEXPORT zipOpen2_64 OF((const void *pathname, extern zipFile ZEXPORT zipOpen3(const void *pathname,
int append, int append,
zipcharpc* globalcomment, zipcharpc* globalcomment,
zlib_filefunc64_def* pzlib_filefunc_def)); zlib_filefunc64_32_def* pzlib_filefunc64_32_def);
extern int ZEXPORT zipOpenNewFileInZip OF((zipFile file, extern int ZEXPORT zipOpenNewFileInZip(zipFile file,
const char* filename, const char* filename,
const zip_fileinfo* zipfi, const zip_fileinfo* zipfi,
const void* extrafield_local, const void* extrafield_local,
uInt size_extrafield_local, uInt size_extrafield_local,
const void* extrafield_global, const void* extrafield_global,
uInt size_extrafield_global, uInt size_extrafield_global,
const char* comment, const char* comment,
int method, int method,
int level)); int level);
extern int ZEXPORT zipOpenNewFileInZip64 OF((zipFile file, extern int ZEXPORT zipOpenNewFileInZip64(zipFile file,
const char* filename, const char* filename,
const zip_fileinfo* zipfi, const zip_fileinfo* zipfi,
const void* extrafield_local, const void* extrafield_local,
uInt size_extrafield_local, uInt size_extrafield_local,
const void* extrafield_global, const void* extrafield_global,
uInt size_extrafield_global, uInt size_extrafield_global,
const char* comment, const char* comment,
int method, int method,
int level, int level,
int zip64)); int zip64);
/* /*
Open a file in the ZIP for writing. Open a file in the ZIP for writing.
filename : the filename in zip (if NULL, '-' without quote will be used filename : the filename in zip (if NULL, '-' without quote will be used
*zipfi contain supplemental information *zipfi contain supplemental information
if extrafield_local!=NULL and size_extrafield_local>0, extrafield_local if extrafield_local!=NULL and size_extrafield_local>0, extrafield_local
contains the extrafield data the the local header contains the extrafield data for the local header
if extrafield_global!=NULL and size_extrafield_global>0, extrafield_global if extrafield_global!=NULL and size_extrafield_global>0, extrafield_global
contains the extrafield data the the local header contains the extrafield data for the global header
if comment != NULL, comment contain the comment string if comment != NULL, comment contain the comment string
method contain the compression method (0 for store, Z_DEFLATED for deflate) method contain the compression method (0 for store, Z_DEFLATED for deflate)
level contain the level of compression (can be Z_DEFAULT_COMPRESSION) level contain the level of compression (can be Z_DEFAULT_COMPRESSION)
@ -184,70 +189,69 @@ extern int ZEXPORT zipOpenNewFileInZip64 OF((zipFile file,
*/ */
extern int ZEXPORT zipOpenNewFileInZip2 OF((zipFile file, extern int ZEXPORT zipOpenNewFileInZip2(zipFile file,
const char* filename, const char* filename,
const zip_fileinfo* zipfi, const zip_fileinfo* zipfi,
const void* extrafield_local, const void* extrafield_local,
uInt size_extrafield_local, uInt size_extrafield_local,
const void* extrafield_global, const void* extrafield_global,
uInt size_extrafield_global, uInt size_extrafield_global,
const char* comment, const char* comment,
int method, int method,
int level, int level,
int raw)); int raw);
extern int ZEXPORT zipOpenNewFileInZip2_64 OF((zipFile file, extern int ZEXPORT zipOpenNewFileInZip2_64(zipFile file,
const char* filename, const char* filename,
const zip_fileinfo* zipfi, const zip_fileinfo* zipfi,
const void* extrafield_local, const void* extrafield_local,
uInt size_extrafield_local, uInt size_extrafield_local,
const void* extrafield_global, const void* extrafield_global,
uInt size_extrafield_global, uInt size_extrafield_global,
const char* comment, const char* comment,
int method, int method,
int level, int level,
int raw, int raw,
int zip64)); int zip64);
/* /*
Same than zipOpenNewFileInZip, except if raw=1, we write raw file Same than zipOpenNewFileInZip, except if raw=1, we write raw file
*/ */
extern int ZEXPORT zipOpenNewFileInZip3 OF((zipFile file, extern int ZEXPORT zipOpenNewFileInZip3(zipFile file,
const char* filename, const char* filename,
const zip_fileinfo* zipfi, const zip_fileinfo* zipfi,
const void* extrafield_local, const void* extrafield_local,
uInt size_extrafield_local, uInt size_extrafield_local,
const void* extrafield_global, const void* extrafield_global,
uInt size_extrafield_global, uInt size_extrafield_global,
const char* comment, const char* comment,
int method, int method,
int level, int level,
int raw, int raw,
int windowBits, int windowBits,
int memLevel, int memLevel,
int strategy, int strategy,
const char* password, const char* password,
uLong crcForCrypting)); uLong crcForCrypting);
extern int ZEXPORT zipOpenNewFileInZip3_64 OF((zipFile file, extern int ZEXPORT zipOpenNewFileInZip3_64(zipFile file,
const char* filename, const char* filename,
const zip_fileinfo* zipfi, const zip_fileinfo* zipfi,
const void* extrafield_local, const void* extrafield_local,
uInt size_extrafield_local, uInt size_extrafield_local,
const void* extrafield_global, const void* extrafield_global,
uInt size_extrafield_global, uInt size_extrafield_global,
const char* comment, const char* comment,
int method, int method,
int level, int level,
int raw, int raw,
int windowBits, int windowBits,
int memLevel, int memLevel,
int strategy, int strategy,
const char* password, const char* password,
uLong crcForCrypting, uLong crcForCrypting,
int zip64 int zip64);
));
/* /*
Same than zipOpenNewFileInZip2, except Same than zipOpenNewFileInZip2, except
@ -256,47 +260,45 @@ extern int ZEXPORT zipOpenNewFileInZip3_64 OF((zipFile file,
crcForCrypting : crc of file to compress (needed for crypting) crcForCrypting : crc of file to compress (needed for crypting)
*/ */
extern int ZEXPORT zipOpenNewFileInZip4 OF((zipFile file, extern int ZEXPORT zipOpenNewFileInZip4(zipFile file,
const char* filename, const char* filename,
const zip_fileinfo* zipfi, const zip_fileinfo* zipfi,
const void* extrafield_local, const void* extrafield_local,
uInt size_extrafield_local, uInt size_extrafield_local,
const void* extrafield_global, const void* extrafield_global,
uInt size_extrafield_global, uInt size_extrafield_global,
const char* comment, const char* comment,
int method, int method,
int level, int level,
int raw, int raw,
int windowBits, int windowBits,
int memLevel, int memLevel,
int strategy, int strategy,
const char* password, const char* password,
uLong crcForCrypting, uLong crcForCrypting,
uLong versionMadeBy, uLong versionMadeBy,
uLong flagBase uLong flagBase);
));
extern int ZEXPORT zipOpenNewFileInZip4_64 OF((zipFile file, extern int ZEXPORT zipOpenNewFileInZip4_64(zipFile file,
const char* filename, const char* filename,
const zip_fileinfo* zipfi, const zip_fileinfo* zipfi,
const void* extrafield_local, const void* extrafield_local,
uInt size_extrafield_local, uInt size_extrafield_local,
const void* extrafield_global, const void* extrafield_global,
uInt size_extrafield_global, uInt size_extrafield_global,
const char* comment, const char* comment,
int method, int method,
int level, int level,
int raw, int raw,
int windowBits, int windowBits,
int memLevel, int memLevel,
int strategy, int strategy,
const char* password, const char* password,
uLong crcForCrypting, uLong crcForCrypting,
uLong versionMadeBy, uLong versionMadeBy,
uLong flagBase, uLong flagBase,
int zip64 int zip64);
));
/* /*
Same than zipOpenNewFileInZip4, except Same than zipOpenNewFileInZip4, except
versionMadeBy : value for Version made by field versionMadeBy : value for Version made by field
@ -304,25 +306,25 @@ extern int ZEXPORT zipOpenNewFileInZip4_64 OF((zipFile file,
*/ */
extern int ZEXPORT zipWriteInFileInZip OF((zipFile file, extern int ZEXPORT zipWriteInFileInZip(zipFile file,
const void* buf, const void* buf,
unsigned len)); unsigned len);
/* /*
Write data in the zipfile Write data in the zipfile
*/ */
extern int ZEXPORT zipCloseFileInZip OF((zipFile file)); extern int ZEXPORT zipCloseFileInZip(zipFile file);
/* /*
Close the current file in the zipfile Close the current file in the zipfile
*/ */
extern int ZEXPORT zipCloseFileInZipRaw OF((zipFile file, extern int ZEXPORT zipCloseFileInZipRaw(zipFile file,
uLong uncompressed_size, uLong uncompressed_size,
uLong crc32)); uLong crc32);
extern int ZEXPORT zipCloseFileInZipRaw64 OF((zipFile file, extern int ZEXPORT zipCloseFileInZipRaw64(zipFile file,
ZPOS64_T uncompressed_size, ZPOS64_T uncompressed_size,
uLong crc32)); uLong crc32);
/* /*
Close the current file in the zipfile, for file opened with Close the current file in the zipfile, for file opened with
@ -330,14 +332,14 @@ extern int ZEXPORT zipCloseFileInZipRaw64 OF((zipFile file,
uncompressed_size and crc32 are value for the uncompressed size uncompressed_size and crc32 are value for the uncompressed size
*/ */
extern int ZEXPORT zipClose OF((zipFile file, extern int ZEXPORT zipClose(zipFile file,
const char* global_comment)); const char* global_comment);
/* /*
Close the zipfile Close the zipfile
*/ */
extern int ZEXPORT zipRemoveExtraInfoBlock OF((char* pData, int* dataLen, short sHeader)); extern int ZEXPORT zipRemoveExtraInfoBlock(char* pData, int* dataLen, short sHeader);
/* /*
zipRemoveExtraInfoBlock - Added by Mathias Svensson zipRemoveExtraInfoBlock - Added by Mathias Svensson

File diff suppressed because it is too large Load Diff

File diff suppressed because it is too large Load Diff

File diff suppressed because it is too large Load Diff

View File

@ -1,5 +1,5 @@
/* deflate.h -- internal compression state /* deflate.h -- internal compression state
* Copyright (C) 1995-2016 Jean-loup Gailly * Copyright (C) 1995-2024 Jean-loup Gailly
* For conditions of distribution and use, see copyright notice in zlib.h * For conditions of distribution and use, see copyright notice in zlib.h
*/ */
@ -23,6 +23,10 @@
# define GZIP # define GZIP
#endif #endif
/* define LIT_MEM to slightly increase the speed of deflate (order 1% to 2%) at
the cost of a larger memory footprint */
/* #define LIT_MEM */
/* =========================================================================== /* ===========================================================================
* Internal compression state. * Internal compression state.
*/ */
@ -217,7 +221,14 @@ typedef struct internal_state {
/* Depth of each subtree used as tie breaker for trees of equal frequency /* Depth of each subtree used as tie breaker for trees of equal frequency
*/ */
uchf *l_buf; /* buffer for literals or lengths */ #ifdef LIT_MEM
# define LIT_BUFS 5
ushf *d_buf; /* buffer for distances */
uchf *l_buf; /* buffer for literals/lengths */
#else
# define LIT_BUFS 4
uchf *sym_buf; /* buffer for distances and literals/lengths */
#endif
uInt lit_bufsize; uInt lit_bufsize;
/* Size of match buffer for literals/lengths. There are 4 reasons for /* Size of match buffer for literals/lengths. There are 4 reasons for
@ -239,13 +250,8 @@ typedef struct internal_state {
* - I can't count above 4 * - I can't count above 4
*/ */
uInt last_lit; /* running index in l_buf */ uInt sym_next; /* running index in symbol buffer */
uInt sym_end; /* symbol table full when sym_next reaches this */
ushf *d_buf;
/* Buffer for distances. To simplify the code, d_buf and l_buf have
* the same number of elements. To use different lengths, an extra flag
* array would be necessary.
*/
ulg opt_len; /* bit length of current block with optimal trees */ ulg opt_len; /* bit length of current block with optimal trees */
ulg static_len; /* bit length of current block with static trees */ ulg static_len; /* bit length of current block with static trees */
@ -296,14 +302,14 @@ typedef struct internal_state {
memory checker errors from longest match routines */ memory checker errors from longest match routines */
/* in trees.c */ /* in trees.c */
void ZLIB_INTERNAL _tr_init OF((deflate_state *s)); void ZLIB_INTERNAL _tr_init(deflate_state *s);
int ZLIB_INTERNAL _tr_tally OF((deflate_state *s, unsigned dist, unsigned lc)); int ZLIB_INTERNAL _tr_tally(deflate_state *s, unsigned dist, unsigned lc);
void ZLIB_INTERNAL _tr_flush_block OF((deflate_state *s, charf *buf, void ZLIB_INTERNAL _tr_flush_block(deflate_state *s, charf *buf,
ulg stored_len, int last)); ulg stored_len, int last);
void ZLIB_INTERNAL _tr_flush_bits OF((deflate_state *s)); void ZLIB_INTERNAL _tr_flush_bits(deflate_state *s);
void ZLIB_INTERNAL _tr_align OF((deflate_state *s)); void ZLIB_INTERNAL _tr_align(deflate_state *s);
void ZLIB_INTERNAL _tr_stored_block OF((deflate_state *s, charf *buf, void ZLIB_INTERNAL _tr_stored_block(deflate_state *s, charf *buf,
ulg stored_len, int last)); ulg stored_len, int last);
#define d_code(dist) \ #define d_code(dist) \
((dist) < 256 ? _dist_code[dist] : _dist_code[256+((dist)>>7)]) ((dist) < 256 ? _dist_code[dist] : _dist_code[256+((dist)>>7)])
@ -323,24 +329,46 @@ void ZLIB_INTERNAL _tr_stored_block OF((deflate_state *s, charf *buf,
extern const uch ZLIB_INTERNAL _dist_code[]; extern const uch ZLIB_INTERNAL _dist_code[];
#endif #endif
#ifdef LIT_MEM
# define _tr_tally_lit(s, c, flush) \ # define _tr_tally_lit(s, c, flush) \
{ uch cc = (c); \ { uch cc = (c); \
s->d_buf[s->last_lit] = 0; \ s->d_buf[s->sym_next] = 0; \
s->l_buf[s->last_lit++] = cc; \ s->l_buf[s->sym_next++] = cc; \
s->dyn_ltree[cc].Freq++; \ s->dyn_ltree[cc].Freq++; \
flush = (s->last_lit == s->lit_bufsize-1); \ flush = (s->sym_next == s->sym_end); \
} }
# define _tr_tally_dist(s, distance, length, flush) \ # define _tr_tally_dist(s, distance, length, flush) \
{ uch len = (uch)(length); \ { uch len = (uch)(length); \
ush dist = (ush)(distance); \ ush dist = (ush)(distance); \
s->d_buf[s->last_lit] = dist; \ s->d_buf[s->sym_next] = dist; \
s->l_buf[s->last_lit++] = len; \ s->l_buf[s->sym_next++] = len; \
dist--; \ dist--; \
s->dyn_ltree[_length_code[len]+LITERALS+1].Freq++; \ s->dyn_ltree[_length_code[len]+LITERALS+1].Freq++; \
s->dyn_dtree[d_code(dist)].Freq++; \ s->dyn_dtree[d_code(dist)].Freq++; \
flush = (s->last_lit == s->lit_bufsize-1); \ flush = (s->sym_next == s->sym_end); \
} }
#else #else
# define _tr_tally_lit(s, c, flush) \
{ uch cc = (c); \
s->sym_buf[s->sym_next++] = 0; \
s->sym_buf[s->sym_next++] = 0; \
s->sym_buf[s->sym_next++] = cc; \
s->dyn_ltree[cc].Freq++; \
flush = (s->sym_next == s->sym_end); \
}
# define _tr_tally_dist(s, distance, length, flush) \
{ uch len = (uch)(length); \
ush dist = (ush)(distance); \
s->sym_buf[s->sym_next++] = (uch)dist; \
s->sym_buf[s->sym_next++] = (uch)(dist >> 8); \
s->sym_buf[s->sym_next++] = len; \
dist--; \
s->dyn_ltree[_length_code[len]+LITERALS+1].Freq++; \
s->dyn_dtree[d_code(dist)].Freq++; \
flush = (s->sym_next == s->sym_end); \
}
#endif
#else
# define _tr_tally_lit(s, c, flush) flush = _tr_tally(s, 0, c) # define _tr_tally_lit(s, c, flush) flush = _tr_tally(s, 0, c)
# define _tr_tally_dist(s, distance, length, flush) \ # define _tr_tally_dist(s, distance, length, flush) \
flush = _tr_tally(s, distance, length) flush = _tr_tally(s, distance, length)

View File

@ -8,9 +8,7 @@
/* gzclose() is in a separate file so that it is linked in only if it is used. /* gzclose() is in a separate file so that it is linked in only if it is used.
That way the other gzclose functions can be used instead to avoid linking in That way the other gzclose functions can be used instead to avoid linking in
unneeded compression or decompression routines. */ unneeded compression or decompression routines. */
int ZEXPORT gzclose(file) int ZEXPORT gzclose(gzFile file) {
gzFile file;
{
#ifndef NO_GZCOMPRESS #ifndef NO_GZCOMPRESS
gz_statep state; gz_statep state;

View File

@ -1,5 +1,5 @@
/* gzguts.h -- zlib internal header definitions for gz* operations /* gzguts.h -- zlib internal header definitions for gz* operations
* Copyright (C) 2004, 2005, 2010, 2011, 2012, 2013, 2016 Mark Adler * Copyright (C) 2004-2024 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h * For conditions of distribution and use, see copyright notice in zlib.h
*/ */
@ -7,9 +7,8 @@
# ifndef _LARGEFILE_SOURCE # ifndef _LARGEFILE_SOURCE
# define _LARGEFILE_SOURCE 1 # define _LARGEFILE_SOURCE 1
# endif # endif
# ifdef _FILE_OFFSET_BITS # undef _FILE_OFFSET_BITS
# undef _FILE_OFFSET_BITS # undef _TIME_BITS
# endif
#endif #endif
#ifdef HAVE_HIDDEN #ifdef HAVE_HIDDEN
@ -39,7 +38,7 @@
# include <io.h> # include <io.h>
#endif #endif
#if defined(_WIN32) || defined(__CYGWIN__) #if defined(_WIN32)
# define WIDECHAR # define WIDECHAR
#endif #endif
@ -119,8 +118,8 @@
/* gz* functions always use library allocation functions */ /* gz* functions always use library allocation functions */
#ifndef STDC #ifndef STDC
extern voidp malloc OF((uInt size)); extern voidp malloc(uInt size);
extern void free OF((voidpf ptr)); extern void free(voidpf ptr);
#endif #endif
/* get errno and strerror definition */ /* get errno and strerror definition */
@ -138,10 +137,10 @@
/* provide prototypes for these when building zlib without LFS */ /* provide prototypes for these when building zlib without LFS */
#if !defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0 #if !defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0
ZEXTERN gzFile ZEXPORT gzopen64 OF((const char *, const char *)); ZEXTERN gzFile ZEXPORT gzopen64(const char *, const char *);
ZEXTERN z_off64_t ZEXPORT gzseek64 OF((gzFile, z_off64_t, int)); ZEXTERN z_off64_t ZEXPORT gzseek64(gzFile, z_off64_t, int);
ZEXTERN z_off64_t ZEXPORT gztell64 OF((gzFile)); ZEXTERN z_off64_t ZEXPORT gztell64(gzFile);
ZEXTERN z_off64_t ZEXPORT gzoffset64 OF((gzFile)); ZEXTERN z_off64_t ZEXPORT gzoffset64(gzFile);
#endif #endif
/* default memLevel */ /* default memLevel */
@ -190,6 +189,7 @@ typedef struct {
/* just for writing */ /* just for writing */
int level; /* compression level */ int level; /* compression level */
int strategy; /* compression strategy */ int strategy; /* compression strategy */
int reset; /* true if a reset is pending after a Z_FINISH */
/* seek request */ /* seek request */
z_off64_t skip; /* amount to skip (already rewound if backwards) */ z_off64_t skip; /* amount to skip (already rewound if backwards) */
int seek; /* true if seek request pending */ int seek; /* true if seek request pending */
@ -202,17 +202,13 @@ typedef struct {
typedef gz_state FAR *gz_statep; typedef gz_state FAR *gz_statep;
/* shared functions */ /* shared functions */
void ZLIB_INTERNAL gz_error OF((gz_statep, int, const char *)); void ZLIB_INTERNAL gz_error(gz_statep, int, const char *);
#if defined UNDER_CE #if defined UNDER_CE
char ZLIB_INTERNAL *gz_strwinerror OF((DWORD error)); char ZLIB_INTERNAL *gz_strwinerror(DWORD error);
#endif #endif
/* GT_OFF(x), where x is an unsigned value, is true if x > maximum z_off64_t /* GT_OFF(x), where x is an unsigned value, is true if x > maximum z_off64_t
value -- needed when comparing unsigned to z_off64_t, which is signed value -- needed when comparing unsigned to z_off64_t, which is signed
(possible z_off64_t types off_t, off64_t, and long are all signed) */ (possible z_off64_t types off_t, off64_t, and long are all signed) */
#ifdef INT_MAX unsigned ZLIB_INTERNAL gz_intmax(void);
# define GT_OFF(x) (sizeof(int) == sizeof(z_off64_t) && (x) > INT_MAX) #define GT_OFF(x) (sizeof(int) == sizeof(z_off64_t) && (x) > gz_intmax())
#else
unsigned ZLIB_INTERNAL gz_intmax OF((void));
# define GT_OFF(x) (sizeof(int) == sizeof(z_off64_t) && (x) > gz_intmax())
#endif

View File

@ -1,11 +1,11 @@
/* gzlib.c -- zlib functions common to reading and writing gzip files /* gzlib.c -- zlib functions common to reading and writing gzip files
* Copyright (C) 2004-2017 Mark Adler * Copyright (C) 2004-2024 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h * For conditions of distribution and use, see copyright notice in zlib.h
*/ */
#include "gzguts.h" #include "gzguts.h"
#if defined(_WIN32) && !defined(__BORLANDC__) && !defined(__MINGW32__) #if defined(_WIN32) && !defined(__BORLANDC__)
# define LSEEK _lseeki64 # define LSEEK _lseeki64
#else #else
#if defined(_LARGEFILE64_SOURCE) && _LFS64_LARGEFILE-0 #if defined(_LARGEFILE64_SOURCE) && _LFS64_LARGEFILE-0
@ -15,10 +15,6 @@
#endif #endif
#endif #endif
/* Local functions */
local void gz_reset OF((gz_statep));
local gzFile gz_open OF((const void *, int, const char *));
#if defined UNDER_CE #if defined UNDER_CE
/* Map the Windows error number in ERROR to a locale-dependent error message /* Map the Windows error number in ERROR to a locale-dependent error message
@ -30,9 +26,7 @@ local gzFile gz_open OF((const void *, int, const char *));
The gz_strwinerror function does not change the current setting of The gz_strwinerror function does not change the current setting of
GetLastError. */ GetLastError. */
char ZLIB_INTERNAL *gz_strwinerror (error) char ZLIB_INTERNAL *gz_strwinerror(DWORD error) {
DWORD error;
{
static char buf[1024]; static char buf[1024];
wchar_t *msgbuf; wchar_t *msgbuf;
@ -72,15 +66,15 @@ char ZLIB_INTERNAL *gz_strwinerror (error)
#endif /* UNDER_CE */ #endif /* UNDER_CE */
/* Reset gzip file state */ /* Reset gzip file state */
local void gz_reset(state) local void gz_reset(gz_statep state) {
gz_statep state;
{
state->x.have = 0; /* no output data available */ state->x.have = 0; /* no output data available */
if (state->mode == GZ_READ) { /* for reading ... */ if (state->mode == GZ_READ) { /* for reading ... */
state->eof = 0; /* not at end of file */ state->eof = 0; /* not at end of file */
state->past = 0; /* have not read past end yet */ state->past = 0; /* have not read past end yet */
state->how = LOOK; /* look for gzip header */ state->how = LOOK; /* look for gzip header */
} }
else /* for writing ... */
state->reset = 0; /* no deflateReset pending */
state->seek = 0; /* no seek request pending */ state->seek = 0; /* no seek request pending */
gz_error(state, Z_OK, NULL); /* clear error */ gz_error(state, Z_OK, NULL); /* clear error */
state->x.pos = 0; /* no uncompressed data yet */ state->x.pos = 0; /* no uncompressed data yet */
@ -88,11 +82,7 @@ local void gz_reset(state)
} }
/* Open a gzip file either by name or file descriptor. */ /* Open a gzip file either by name or file descriptor. */
local gzFile gz_open(path, fd, mode) local gzFile gz_open(const void *path, int fd, const char *mode) {
const void *path;
int fd;
const char *mode;
{
gz_statep state; gz_statep state;
z_size_t len; z_size_t len;
int oflag; int oflag;
@ -267,26 +257,17 @@ local gzFile gz_open(path, fd, mode)
} }
/* -- see zlib.h -- */ /* -- see zlib.h -- */
gzFile ZEXPORT gzopen(path, mode) gzFile ZEXPORT gzopen(const char *path, const char *mode) {
const char *path;
const char *mode;
{
return gz_open(path, -1, mode); return gz_open(path, -1, mode);
} }
/* -- see zlib.h -- */ /* -- see zlib.h -- */
gzFile ZEXPORT gzopen64(path, mode) gzFile ZEXPORT gzopen64(const char *path, const char *mode) {
const char *path;
const char *mode;
{
return gz_open(path, -1, mode); return gz_open(path, -1, mode);
} }
/* -- see zlib.h -- */ /* -- see zlib.h -- */
gzFile ZEXPORT gzdopen(fd, mode) gzFile ZEXPORT gzdopen(int fd, const char *mode) {
int fd;
const char *mode;
{
char *path; /* identifier for error messages */ char *path; /* identifier for error messages */
gzFile gz; gzFile gz;
@ -304,19 +285,13 @@ gzFile ZEXPORT gzdopen(fd, mode)
/* -- see zlib.h -- */ /* -- see zlib.h -- */
#ifdef WIDECHAR #ifdef WIDECHAR
gzFile ZEXPORT gzopen_w(path, mode) gzFile ZEXPORT gzopen_w(const wchar_t *path, const char *mode) {
const wchar_t *path;
const char *mode;
{
return gz_open(path, -2, mode); return gz_open(path, -2, mode);
} }
#endif #endif
/* -- see zlib.h -- */ /* -- see zlib.h -- */
int ZEXPORT gzbuffer(file, size) int ZEXPORT gzbuffer(gzFile file, unsigned size) {
gzFile file;
unsigned size;
{
gz_statep state; gz_statep state;
/* get internal structure and check integrity */ /* get internal structure and check integrity */
@ -333,16 +308,14 @@ int ZEXPORT gzbuffer(file, size)
/* check and set requested size */ /* check and set requested size */
if ((size << 1) < size) if ((size << 1) < size)
return -1; /* need to be able to double it */ return -1; /* need to be able to double it */
if (size < 2) if (size < 8)
size = 2; /* need two bytes to check magic header */ size = 8; /* needed to behave well with flushing */
state->want = size; state->want = size;
return 0; return 0;
} }
/* -- see zlib.h -- */ /* -- see zlib.h -- */
int ZEXPORT gzrewind(file) int ZEXPORT gzrewind(gzFile file) {
gzFile file;
{
gz_statep state; gz_statep state;
/* get internal structure */ /* get internal structure */
@ -363,11 +336,7 @@ int ZEXPORT gzrewind(file)
} }
/* -- see zlib.h -- */ /* -- see zlib.h -- */
z_off64_t ZEXPORT gzseek64(file, offset, whence) z_off64_t ZEXPORT gzseek64(gzFile file, z_off64_t offset, int whence) {
gzFile file;
z_off64_t offset;
int whence;
{
unsigned n; unsigned n;
z_off64_t ret; z_off64_t ret;
gz_statep state; gz_statep state;
@ -397,7 +366,7 @@ z_off64_t ZEXPORT gzseek64(file, offset, whence)
/* if within raw area while reading, just go there */ /* if within raw area while reading, just go there */
if (state->mode == GZ_READ && state->how == COPY && if (state->mode == GZ_READ && state->how == COPY &&
state->x.pos + offset >= 0) { state->x.pos + offset >= 0) {
ret = LSEEK(state->fd, offset - state->x.have, SEEK_CUR); ret = LSEEK(state->fd, offset - (z_off64_t)state->x.have, SEEK_CUR);
if (ret == -1) if (ret == -1)
return -1; return -1;
state->x.have = 0; state->x.have = 0;
@ -440,11 +409,7 @@ z_off64_t ZEXPORT gzseek64(file, offset, whence)
} }
/* -- see zlib.h -- */ /* -- see zlib.h -- */
z_off_t ZEXPORT gzseek(file, offset, whence) z_off_t ZEXPORT gzseek(gzFile file, z_off_t offset, int whence) {
gzFile file;
z_off_t offset;
int whence;
{
z_off64_t ret; z_off64_t ret;
ret = gzseek64(file, (z_off64_t)offset, whence); ret = gzseek64(file, (z_off64_t)offset, whence);
@ -452,9 +417,7 @@ z_off_t ZEXPORT gzseek(file, offset, whence)
} }
/* -- see zlib.h -- */ /* -- see zlib.h -- */
z_off64_t ZEXPORT gztell64(file) z_off64_t ZEXPORT gztell64(gzFile file) {
gzFile file;
{
gz_statep state; gz_statep state;
/* get internal structure and check integrity */ /* get internal structure and check integrity */
@ -469,9 +432,7 @@ z_off64_t ZEXPORT gztell64(file)
} }
/* -- see zlib.h -- */ /* -- see zlib.h -- */
z_off_t ZEXPORT gztell(file) z_off_t ZEXPORT gztell(gzFile file) {
gzFile file;
{
z_off64_t ret; z_off64_t ret;
ret = gztell64(file); ret = gztell64(file);
@ -479,9 +440,7 @@ z_off_t ZEXPORT gztell(file)
} }
/* -- see zlib.h -- */ /* -- see zlib.h -- */
z_off64_t ZEXPORT gzoffset64(file) z_off64_t ZEXPORT gzoffset64(gzFile file) {
gzFile file;
{
z_off64_t offset; z_off64_t offset;
gz_statep state; gz_statep state;
@ -502,9 +461,7 @@ z_off64_t ZEXPORT gzoffset64(file)
} }
/* -- see zlib.h -- */ /* -- see zlib.h -- */
z_off_t ZEXPORT gzoffset(file) z_off_t ZEXPORT gzoffset(gzFile file) {
gzFile file;
{
z_off64_t ret; z_off64_t ret;
ret = gzoffset64(file); ret = gzoffset64(file);
@ -512,9 +469,7 @@ z_off_t ZEXPORT gzoffset(file)
} }
/* -- see zlib.h -- */ /* -- see zlib.h -- */
int ZEXPORT gzeof(file) int ZEXPORT gzeof(gzFile file) {
gzFile file;
{
gz_statep state; gz_statep state;
/* get internal structure and check integrity */ /* get internal structure and check integrity */
@ -529,10 +484,7 @@ int ZEXPORT gzeof(file)
} }
/* -- see zlib.h -- */ /* -- see zlib.h -- */
const char * ZEXPORT gzerror(file, errnum) const char * ZEXPORT gzerror(gzFile file, int *errnum) {
gzFile file;
int *errnum;
{
gz_statep state; gz_statep state;
/* get internal structure and check integrity */ /* get internal structure and check integrity */
@ -550,9 +502,7 @@ const char * ZEXPORT gzerror(file, errnum)
} }
/* -- see zlib.h -- */ /* -- see zlib.h -- */
void ZEXPORT gzclearerr(file) void ZEXPORT gzclearerr(gzFile file) {
gzFile file;
{
gz_statep state; gz_statep state;
/* get internal structure and check integrity */ /* get internal structure and check integrity */
@ -576,11 +526,7 @@ void ZEXPORT gzclearerr(file)
memory). Simply save the error message as a static string. If there is an memory). Simply save the error message as a static string. If there is an
allocation failure constructing the error message, then convert the error to allocation failure constructing the error message, then convert the error to
out of memory. */ out of memory. */
void ZLIB_INTERNAL gz_error(state, err, msg) void ZLIB_INTERNAL gz_error(gz_statep state, int err, const char *msg) {
gz_statep state;
int err;
const char *msg;
{
/* free previously allocated message and clear */ /* free previously allocated message and clear */
if (state->msg != NULL) { if (state->msg != NULL) {
if (state->err != Z_MEM_ERROR) if (state->err != Z_MEM_ERROR)
@ -617,21 +563,20 @@ void ZLIB_INTERNAL gz_error(state, err, msg)
#endif #endif
} }
#ifndef INT_MAX
/* portably return maximum value for an int (when limits.h presumed not /* portably return maximum value for an int (when limits.h presumed not
available) -- we need to do this to cover cases where 2's complement not available) -- we need to do this to cover cases where 2's complement not
used, since C standard permits 1's complement and sign-bit representations, used, since C standard permits 1's complement and sign-bit representations,
otherwise we could just use ((unsigned)-1) >> 1 */ otherwise we could just use ((unsigned)-1) >> 1 */
unsigned ZLIB_INTERNAL gz_intmax() unsigned ZLIB_INTERNAL gz_intmax(void) {
{ #ifdef INT_MAX
unsigned p, q; return INT_MAX;
#else
p = 1; unsigned p = 1, q;
do { do {
q = p; q = p;
p <<= 1; p <<= 1;
p++; p++;
} while (p > q); } while (p > q);
return q >> 1; return q >> 1;
}
#endif #endif
}

View File

@ -1,29 +1,16 @@
/* gzread.c -- zlib functions for reading gzip files /* gzread.c -- zlib functions for reading gzip files
* Copyright (C) 2004, 2005, 2010, 2011, 2012, 2013, 2016 Mark Adler * Copyright (C) 2004-2017 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h * For conditions of distribution and use, see copyright notice in zlib.h
*/ */
#include "gzguts.h" #include "gzguts.h"
/* Local functions */
local int gz_load OF((gz_statep, unsigned char *, unsigned, unsigned *));
local int gz_avail OF((gz_statep));
local int gz_look OF((gz_statep));
local int gz_decomp OF((gz_statep));
local int gz_fetch OF((gz_statep));
local int gz_skip OF((gz_statep, z_off64_t));
local z_size_t gz_read OF((gz_statep, voidp, z_size_t));
/* Use read() to load a buffer -- return -1 on error, otherwise 0. Read from /* Use read() to load a buffer -- return -1 on error, otherwise 0. Read from
state->fd, and update state->eof, state->err, and state->msg as appropriate. state->fd, and update state->eof, state->err, and state->msg as appropriate.
This function needs to loop on read(), since read() is not guaranteed to This function needs to loop on read(), since read() is not guaranteed to
read the number of bytes requested, depending on the type of descriptor. */ read the number of bytes requested, depending on the type of descriptor. */
local int gz_load(state, buf, len, have) local int gz_load(gz_statep state, unsigned char *buf, unsigned len,
gz_statep state; unsigned *have) {
unsigned char *buf;
unsigned len;
unsigned *have;
{
int ret; int ret;
unsigned get, max = ((unsigned)-1 >> 2) + 1; unsigned get, max = ((unsigned)-1 >> 2) + 1;
@ -53,9 +40,7 @@ local int gz_load(state, buf, len, have)
If strm->avail_in != 0, then the current data is moved to the beginning of If strm->avail_in != 0, then the current data is moved to the beginning of
the input buffer, and then the remainder of the buffer is loaded with the the input buffer, and then the remainder of the buffer is loaded with the
available data from the input file. */ available data from the input file. */
local int gz_avail(state) local int gz_avail(gz_statep state) {
gz_statep state;
{
unsigned got; unsigned got;
z_streamp strm = &(state->strm); z_streamp strm = &(state->strm);
@ -88,9 +73,7 @@ local int gz_avail(state)
case, all further file reads will be directly to either the output buffer or case, all further file reads will be directly to either the output buffer or
a user buffer. If decompressing, the inflate state will be initialized. a user buffer. If decompressing, the inflate state will be initialized.
gz_look() will return 0 on success or -1 on failure. */ gz_look() will return 0 on success or -1 on failure. */
local int gz_look(state) local int gz_look(gz_statep state) {
gz_statep state;
{
z_streamp strm = &(state->strm); z_streamp strm = &(state->strm);
/* allocate read buffers and inflate memory */ /* allocate read buffers and inflate memory */
@ -157,11 +140,9 @@ local int gz_look(state)
the output buffer is larger than the input buffer, which also assures the output buffer is larger than the input buffer, which also assures
space for gzungetc() */ space for gzungetc() */
state->x.next = state->out; state->x.next = state->out;
if (strm->avail_in) { memcpy(state->x.next, strm->next_in, strm->avail_in);
memcpy(state->x.next, strm->next_in, strm->avail_in); state->x.have = strm->avail_in;
state->x.have = strm->avail_in; strm->avail_in = 0;
strm->avail_in = 0;
}
state->how = COPY; state->how = COPY;
state->direct = 1; state->direct = 1;
return 0; return 0;
@ -172,9 +153,7 @@ local int gz_look(state)
data. If the gzip stream completes, state->how is reset to LOOK to look for data. If the gzip stream completes, state->how is reset to LOOK to look for
the next gzip stream or raw data, once state->x.have is depleted. Returns 0 the next gzip stream or raw data, once state->x.have is depleted. Returns 0
on success, -1 on failure. */ on success, -1 on failure. */
local int gz_decomp(state) local int gz_decomp(gz_statep state) {
gz_statep state;
{
int ret = Z_OK; int ret = Z_OK;
unsigned had; unsigned had;
z_streamp strm = &(state->strm); z_streamp strm = &(state->strm);
@ -226,9 +205,7 @@ local int gz_decomp(state)
looked for to determine whether to copy or decompress. Returns -1 on error, looked for to determine whether to copy or decompress. Returns -1 on error,
otherwise 0. gz_fetch() will leave state->how as COPY or GZIP unless the otherwise 0. gz_fetch() will leave state->how as COPY or GZIP unless the
end of the input file has been reached and all data has been processed. */ end of the input file has been reached and all data has been processed. */
local int gz_fetch(state) local int gz_fetch(gz_statep state) {
gz_statep state;
{
z_streamp strm = &(state->strm); z_streamp strm = &(state->strm);
do { do {
@ -256,10 +233,7 @@ local int gz_fetch(state)
} }
/* Skip len uncompressed bytes of output. Return -1 on error, 0 on success. */ /* Skip len uncompressed bytes of output. Return -1 on error, 0 on success. */
local int gz_skip(state, len) local int gz_skip(gz_statep state, z_off64_t len) {
gz_statep state;
z_off64_t len;
{
unsigned n; unsigned n;
/* skip over len bytes or reach end-of-file, whichever comes first */ /* skip over len bytes or reach end-of-file, whichever comes first */
@ -291,11 +265,7 @@ local int gz_skip(state, len)
input. Return the number of bytes read. If zero is returned, either the input. Return the number of bytes read. If zero is returned, either the
end of file was reached, or there was an error. state->err must be end of file was reached, or there was an error. state->err must be
consulted in that case to determine which. */ consulted in that case to determine which. */
local z_size_t gz_read(state, buf, len) local z_size_t gz_read(gz_statep state, voidp buf, z_size_t len) {
gz_statep state;
voidp buf;
z_size_t len;
{
z_size_t got; z_size_t got;
unsigned n; unsigned n;
@ -314,9 +284,9 @@ local z_size_t gz_read(state, buf, len)
got = 0; got = 0;
do { do {
/* set n to the maximum amount of len that fits in an unsigned int */ /* set n to the maximum amount of len that fits in an unsigned int */
n = -1; n = (unsigned)-1;
if (n > len) if (n > len)
n = len; n = (unsigned)len;
/* first just try copying data from the output buffer */ /* first just try copying data from the output buffer */
if (state->x.have) { if (state->x.have) {
@ -372,11 +342,7 @@ local z_size_t gz_read(state, buf, len)
} }
/* -- see zlib.h -- */ /* -- see zlib.h -- */
int ZEXPORT gzread(file, buf, len) int ZEXPORT gzread(gzFile file, voidp buf, unsigned len) {
gzFile file;
voidp buf;
unsigned len;
{
gz_statep state; gz_statep state;
/* get internal structure */ /* get internal structure */
@ -397,7 +363,7 @@ int ZEXPORT gzread(file, buf, len)
} }
/* read len or fewer bytes to buf */ /* read len or fewer bytes to buf */
len = gz_read(state, buf, len); len = (unsigned)gz_read(state, buf, len);
/* check for an error */ /* check for an error */
if (len == 0 && state->err != Z_OK && state->err != Z_BUF_ERROR) if (len == 0 && state->err != Z_OK && state->err != Z_BUF_ERROR)
@ -408,12 +374,7 @@ int ZEXPORT gzread(file, buf, len)
} }
/* -- see zlib.h -- */ /* -- see zlib.h -- */
z_size_t ZEXPORT gzfread(buf, size, nitems, file) z_size_t ZEXPORT gzfread(voidp buf, z_size_t size, z_size_t nitems, gzFile file) {
voidp buf;
z_size_t size;
z_size_t nitems;
gzFile file;
{
z_size_t len; z_size_t len;
gz_statep state; gz_statep state;
@ -444,10 +405,7 @@ z_size_t ZEXPORT gzfread(buf, size, nitems, file)
#else #else
# undef gzgetc # undef gzgetc
#endif #endif
int ZEXPORT gzgetc(file) int ZEXPORT gzgetc(gzFile file) {
gzFile file;
{
int ret;
unsigned char buf[1]; unsigned char buf[1];
gz_statep state; gz_statep state;
@ -469,21 +427,15 @@ int ZEXPORT gzgetc(file)
} }
/* nothing there -- try gz_read() */ /* nothing there -- try gz_read() */
ret = gz_read(state, buf, 1); return gz_read(state, buf, 1) < 1 ? -1 : buf[0];
return ret < 1 ? -1 : buf[0];
} }
int ZEXPORT gzgetc_(file) int ZEXPORT gzgetc_(gzFile file) {
gzFile file;
{
return gzgetc(file); return gzgetc(file);
} }
/* -- see zlib.h -- */ /* -- see zlib.h -- */
int ZEXPORT gzungetc(c, file) int ZEXPORT gzungetc(int c, gzFile file) {
int c;
gzFile file;
{
gz_statep state; gz_statep state;
/* get internal structure */ /* get internal structure */
@ -491,6 +443,10 @@ int ZEXPORT gzungetc(c, file)
return -1; return -1;
state = (gz_statep)file; state = (gz_statep)file;
/* in case this was just opened, set up the input buffer */
if (state->mode == GZ_READ && state->how == LOOK && state->x.have == 0)
(void)gz_look(state);
/* check that we're reading and that there's no (serious) error */ /* check that we're reading and that there's no (serious) error */
if (state->mode != GZ_READ || if (state->mode != GZ_READ ||
(state->err != Z_OK && state->err != Z_BUF_ERROR)) (state->err != Z_OK && state->err != Z_BUF_ERROR))
@ -540,11 +496,7 @@ int ZEXPORT gzungetc(c, file)
} }
/* -- see zlib.h -- */ /* -- see zlib.h -- */
char * ZEXPORT gzgets(file, buf, len) char * ZEXPORT gzgets(gzFile file, char *buf, int len) {
gzFile file;
char *buf;
int len;
{
unsigned left, n; unsigned left, n;
char *str; char *str;
unsigned char *eol; unsigned char *eol;
@ -604,9 +556,7 @@ char * ZEXPORT gzgets(file, buf, len)
} }
/* -- see zlib.h -- */ /* -- see zlib.h -- */
int ZEXPORT gzdirect(file) int ZEXPORT gzdirect(gzFile file) {
gzFile file;
{
gz_statep state; gz_statep state;
/* get internal structure */ /* get internal structure */
@ -624,9 +574,7 @@ int ZEXPORT gzdirect(file)
} }
/* -- see zlib.h -- */ /* -- see zlib.h -- */
int ZEXPORT gzclose_r(file) int ZEXPORT gzclose_r(gzFile file) {
gzFile file;
{
int ret, err; int ret, err;
gz_statep state; gz_statep state;

View File

@ -1,22 +1,14 @@
/* gzwrite.c -- zlib functions for writing gzip files /* gzwrite.c -- zlib functions for writing gzip files
* Copyright (C) 2004-2017 Mark Adler * Copyright (C) 2004-2019 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h * For conditions of distribution and use, see copyright notice in zlib.h
*/ */
#include "gzguts.h" #include "gzguts.h"
/* Local functions */
local int gz_init OF((gz_statep));
local int gz_comp OF((gz_statep, int));
local int gz_zero OF((gz_statep, z_off64_t));
local z_size_t gz_write OF((gz_statep, voidpc, z_size_t));
/* Initialize state for writing a gzip file. Mark initialization by setting /* Initialize state for writing a gzip file. Mark initialization by setting
state->size to non-zero. Return -1 on a memory allocation failure, or 0 on state->size to non-zero. Return -1 on a memory allocation failure, or 0 on
success. */ success. */
local int gz_init(state) local int gz_init(gz_statep state) {
gz_statep state;
{
int ret; int ret;
z_streamp strm = &(state->strm); z_streamp strm = &(state->strm);
@ -70,10 +62,7 @@ local int gz_init(state)
deflate() flush value. If flush is Z_FINISH, then the deflate() state is deflate() flush value. If flush is Z_FINISH, then the deflate() state is
reset to start a new gzip stream. If gz->direct is true, then simply write reset to start a new gzip stream. If gz->direct is true, then simply write
to the output file without compressing, and ignore flush. */ to the output file without compressing, and ignore flush. */
local int gz_comp(state, flush) local int gz_comp(gz_statep state, int flush) {
gz_statep state;
int flush;
{
int ret, writ; int ret, writ;
unsigned have, put, max = ((unsigned)-1 >> 2) + 1; unsigned have, put, max = ((unsigned)-1 >> 2) + 1;
z_streamp strm = &(state->strm); z_streamp strm = &(state->strm);
@ -97,6 +86,15 @@ local int gz_comp(state, flush)
return 0; return 0;
} }
/* check for a pending reset */
if (state->reset) {
/* don't start a new gzip member unless there is data to write */
if (strm->avail_in == 0)
return 0;
deflateReset(strm);
state->reset = 0;
}
/* run deflate() on provided input until it produces no more output */ /* run deflate() on provided input until it produces no more output */
ret = Z_OK; ret = Z_OK;
do { do {
@ -134,7 +132,7 @@ local int gz_comp(state, flush)
/* if that completed a deflate stream, allow another to start */ /* if that completed a deflate stream, allow another to start */
if (flush == Z_FINISH) if (flush == Z_FINISH)
deflateReset(strm); state->reset = 1;
/* all done, no errors */ /* all done, no errors */
return 0; return 0;
@ -142,10 +140,7 @@ local int gz_comp(state, flush)
/* Compress len zeros to output. Return -1 on a write error or memory /* Compress len zeros to output. Return -1 on a write error or memory
allocation failure by gz_comp(), or 0 on success. */ allocation failure by gz_comp(), or 0 on success. */
local int gz_zero(state, len) local int gz_zero(gz_statep state, z_off64_t len) {
gz_statep state;
z_off64_t len;
{
int first; int first;
unsigned n; unsigned n;
z_streamp strm = &(state->strm); z_streamp strm = &(state->strm);
@ -175,11 +170,7 @@ local int gz_zero(state, len)
/* Write len bytes from buf to file. Return the number of bytes written. If /* Write len bytes from buf to file. Return the number of bytes written. If
the returned value is less than len, then there was an error. */ the returned value is less than len, then there was an error. */
local z_size_t gz_write(state, buf, len) local z_size_t gz_write(gz_statep state, voidpc buf, z_size_t len) {
gz_statep state;
voidpc buf;
z_size_t len;
{
z_size_t put = len; z_size_t put = len;
/* if len is zero, avoid unnecessary operations */ /* if len is zero, avoid unnecessary operations */
@ -209,7 +200,7 @@ local z_size_t gz_write(state, buf, len)
state->in); state->in);
copy = state->size - have; copy = state->size - have;
if (copy > len) if (copy > len)
copy = len; copy = (unsigned)len;
memcpy(state->in + have, buf, copy); memcpy(state->in + have, buf, copy);
state->strm.avail_in += copy; state->strm.avail_in += copy;
state->x.pos += copy; state->x.pos += copy;
@ -229,7 +220,7 @@ local z_size_t gz_write(state, buf, len)
do { do {
unsigned n = (unsigned)-1; unsigned n = (unsigned)-1;
if (n > len) if (n > len)
n = len; n = (unsigned)len;
state->strm.avail_in = n; state->strm.avail_in = n;
state->x.pos += n; state->x.pos += n;
if (gz_comp(state, Z_NO_FLUSH) == -1) if (gz_comp(state, Z_NO_FLUSH) == -1)
@ -243,11 +234,7 @@ local z_size_t gz_write(state, buf, len)
} }
/* -- see zlib.h -- */ /* -- see zlib.h -- */
int ZEXPORT gzwrite(file, buf, len) int ZEXPORT gzwrite(gzFile file, voidpc buf, unsigned len) {
gzFile file;
voidpc buf;
unsigned len;
{
gz_statep state; gz_statep state;
/* get internal structure */ /* get internal structure */
@ -271,12 +258,8 @@ int ZEXPORT gzwrite(file, buf, len)
} }
/* -- see zlib.h -- */ /* -- see zlib.h -- */
z_size_t ZEXPORT gzfwrite(buf, size, nitems, file) z_size_t ZEXPORT gzfwrite(voidpc buf, z_size_t size, z_size_t nitems,
voidpc buf; gzFile file) {
z_size_t size;
z_size_t nitems;
gzFile file;
{
z_size_t len; z_size_t len;
gz_statep state; gz_statep state;
@ -301,10 +284,7 @@ z_size_t ZEXPORT gzfwrite(buf, size, nitems, file)
} }
/* -- see zlib.h -- */ /* -- see zlib.h -- */
int ZEXPORT gzputc(file, c) int ZEXPORT gzputc(gzFile file, int c) {
gzFile file;
int c;
{
unsigned have; unsigned have;
unsigned char buf[1]; unsigned char buf[1];
gz_statep state; gz_statep state;
@ -349,12 +329,8 @@ int ZEXPORT gzputc(file, c)
} }
/* -- see zlib.h -- */ /* -- see zlib.h -- */
int ZEXPORT gzputs(file, str) int ZEXPORT gzputs(gzFile file, const char *s) {
gzFile file; z_size_t len, put;
const char *str;
{
int ret;
z_size_t len;
gz_statep state; gz_statep state;
/* get internal structure */ /* get internal structure */
@ -367,17 +343,20 @@ int ZEXPORT gzputs(file, str)
return -1; return -1;
/* write string */ /* write string */
len = strlen(str); len = strlen(s);
ret = gz_write(state, str, len); if ((int)len < 0 || (unsigned)len != len) {
return ret == 0 && len != 0 ? -1 : ret; gz_error(state, Z_STREAM_ERROR, "string length does not fit in int");
return -1;
}
put = gz_write(state, s, len);
return put < len ? -1 : (int)len;
} }
#if defined(STDC) || defined(Z_HAVE_STDARG_H) #if defined(STDC) || defined(Z_HAVE_STDARG_H)
#include <stdarg.h> #include <stdarg.h>
/* -- see zlib.h -- */ /* -- see zlib.h -- */
int ZEXPORTVA gzvprintf(gzFile file, const char *format, va_list va) int ZEXPORTVA gzvprintf(gzFile file, const char *format, va_list va) {
{
int len; int len;
unsigned left; unsigned left;
char *next; char *next;
@ -441,15 +420,14 @@ int ZEXPORTVA gzvprintf(gzFile file, const char *format, va_list va)
strm->avail_in = state->size; strm->avail_in = state->size;
if (gz_comp(state, Z_NO_FLUSH) == -1) if (gz_comp(state, Z_NO_FLUSH) == -1)
return state->err; return state->err;
memcpy(state->in, state->in + state->size, left); memmove(state->in, state->in + state->size, left);
strm->next_in = state->in; strm->next_in = state->in;
strm->avail_in = left; strm->avail_in = left;
} }
return len; return len;
} }
int ZEXPORTVA gzprintf(gzFile file, const char *format, ...) int ZEXPORTVA gzprintf(gzFile file, const char *format, ...) {
{
va_list va; va_list va;
int ret; int ret;
@ -462,13 +440,10 @@ int ZEXPORTVA gzprintf(gzFile file, const char *format, ...)
#else /* !STDC && !Z_HAVE_STDARG_H */ #else /* !STDC && !Z_HAVE_STDARG_H */
/* -- see zlib.h -- */ /* -- see zlib.h -- */
int ZEXPORTVA gzprintf (file, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, int ZEXPORTVA gzprintf(gzFile file, const char *format, int a1, int a2, int a3,
a11, a12, a13, a14, a15, a16, a17, a18, a19, a20) int a4, int a5, int a6, int a7, int a8, int a9, int a10,
gzFile file; int a11, int a12, int a13, int a14, int a15, int a16,
const char *format; int a17, int a18, int a19, int a20) {
int a1, a2, a3, a4, a5, a6, a7, a8, a9, a10,
a11, a12, a13, a14, a15, a16, a17, a18, a19, a20;
{
unsigned len, left; unsigned len, left;
char *next; char *next;
gz_statep state; gz_statep state;
@ -540,7 +515,7 @@ int ZEXPORTVA gzprintf (file, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10,
strm->avail_in = state->size; strm->avail_in = state->size;
if (gz_comp(state, Z_NO_FLUSH) == -1) if (gz_comp(state, Z_NO_FLUSH) == -1)
return state->err; return state->err;
memcpy(state->in, state->in + state->size, left); memmove(state->in, state->in + state->size, left);
strm->next_in = state->in; strm->next_in = state->in;
strm->avail_in = left; strm->avail_in = left;
} }
@ -550,10 +525,7 @@ int ZEXPORTVA gzprintf (file, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10,
#endif #endif
/* -- see zlib.h -- */ /* -- see zlib.h -- */
int ZEXPORT gzflush(file, flush) int ZEXPORT gzflush(gzFile file, int flush) {
gzFile file;
int flush;
{
gz_statep state; gz_statep state;
/* get internal structure */ /* get internal structure */
@ -582,11 +554,7 @@ int ZEXPORT gzflush(file, flush)
} }
/* -- see zlib.h -- */ /* -- see zlib.h -- */
int ZEXPORT gzsetparams(file, level, strategy) int ZEXPORT gzsetparams(gzFile file, int level, int strategy) {
gzFile file;
int level;
int strategy;
{
gz_statep state; gz_statep state;
z_streamp strm; z_streamp strm;
@ -597,7 +565,7 @@ int ZEXPORT gzsetparams(file, level, strategy)
strm = &(state->strm); strm = &(state->strm);
/* check that we're writing and that there's no error */ /* check that we're writing and that there's no error */
if (state->mode != GZ_WRITE || state->err != Z_OK) if (state->mode != GZ_WRITE || state->err != Z_OK || state->direct)
return Z_STREAM_ERROR; return Z_STREAM_ERROR;
/* if no change is requested, then do nothing */ /* if no change is requested, then do nothing */
@ -624,9 +592,7 @@ int ZEXPORT gzsetparams(file, level, strategy)
} }
/* -- see zlib.h -- */ /* -- see zlib.h -- */
int ZEXPORT gzclose_w(file) int ZEXPORT gzclose_w(gzFile file) {
gzFile file;
{
int ret = Z_OK; int ret = Z_OK;
gz_statep state; gz_statep state;

View File

@ -1,5 +1,5 @@
/* infback.c -- inflate using a call-back interface /* infback.c -- inflate using a call-back interface
* Copyright (C) 1995-2016 Mark Adler * Copyright (C) 1995-2022 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h * For conditions of distribution and use, see copyright notice in zlib.h
*/ */
@ -15,9 +15,6 @@
#include "inflate.h" #include "inflate.h"
#include "inffast.h" #include "inffast.h"
/* function prototypes */
local void fixedtables OF((struct inflate_state FAR *state));
/* /*
strm provides memory allocation functions in zalloc and zfree, or strm provides memory allocation functions in zalloc and zfree, or
Z_NULL to use the library memory allocation functions. Z_NULL to use the library memory allocation functions.
@ -25,13 +22,9 @@ local void fixedtables OF((struct inflate_state FAR *state));
windowBits is in the range 8..15, and window is a user-supplied windowBits is in the range 8..15, and window is a user-supplied
window and output buffer that is 2**windowBits bytes. window and output buffer that is 2**windowBits bytes.
*/ */
int ZEXPORT inflateBackInit_(strm, windowBits, window, version, stream_size) int ZEXPORT inflateBackInit_(z_streamp strm, int windowBits,
z_streamp strm; unsigned char FAR *window, const char *version,
int windowBits; int stream_size) {
unsigned char FAR *window;
const char *version;
int stream_size;
{
struct inflate_state FAR *state; struct inflate_state FAR *state;
if (version == Z_NULL || version[0] != ZLIB_VERSION[0] || if (version == Z_NULL || version[0] != ZLIB_VERSION[0] ||
@ -66,6 +59,7 @@ int stream_size;
state->window = window; state->window = window;
state->wnext = 0; state->wnext = 0;
state->whave = 0; state->whave = 0;
state->sane = 1;
return Z_OK; return Z_OK;
} }
@ -79,9 +73,7 @@ int stream_size;
used for threaded applications, since the rewriting of the tables and virgin used for threaded applications, since the rewriting of the tables and virgin
may not be thread-safe. may not be thread-safe.
*/ */
local void fixedtables(state) local void fixedtables(struct inflate_state FAR *state) {
struct inflate_state FAR *state;
{
#ifdef BUILDFIXED #ifdef BUILDFIXED
static int virgin = 1; static int virgin = 1;
static code *lenfix, *distfix; static code *lenfix, *distfix;
@ -247,13 +239,8 @@ struct inflate_state FAR *state;
inflateBack() can also return Z_STREAM_ERROR if the input parameters inflateBack() can also return Z_STREAM_ERROR if the input parameters
are not correct, i.e. strm is Z_NULL or the state was not initialized. are not correct, i.e. strm is Z_NULL or the state was not initialized.
*/ */
int ZEXPORT inflateBack(strm, in, in_desc, out, out_desc) int ZEXPORT inflateBack(z_streamp strm, in_func in, void FAR *in_desc,
z_streamp strm; out_func out, void FAR *out_desc) {
in_func in;
void FAR *in_desc;
out_func out;
void FAR *out_desc;
{
struct inflate_state FAR *state; struct inflate_state FAR *state;
z_const unsigned char FAR *next; /* next input */ z_const unsigned char FAR *next; /* next input */
unsigned char FAR *put; /* next output */ unsigned char FAR *put; /* next output */
@ -477,6 +464,7 @@ void FAR *out_desc;
} }
Tracev((stderr, "inflate: codes ok\n")); Tracev((stderr, "inflate: codes ok\n"));
state->mode = LEN; state->mode = LEN;
/* fallthrough */
case LEN: case LEN:
/* use inflate_fast() if we have enough input and output */ /* use inflate_fast() if we have enough input and output */
@ -604,33 +592,33 @@ void FAR *out_desc;
break; break;
case DONE: case DONE:
/* inflate stream terminated properly -- write leftover output */ /* inflate stream terminated properly */
ret = Z_STREAM_END; ret = Z_STREAM_END;
if (left < state->wsize) {
if (out(out_desc, state->window, state->wsize - left))
ret = Z_BUF_ERROR;
}
goto inf_leave; goto inf_leave;
case BAD: case BAD:
ret = Z_DATA_ERROR; ret = Z_DATA_ERROR;
goto inf_leave; goto inf_leave;
default: /* can't happen, but makes compilers happy */ default:
/* can't happen, but makes compilers happy */
ret = Z_STREAM_ERROR; ret = Z_STREAM_ERROR;
goto inf_leave; goto inf_leave;
} }
/* Return unused input */ /* Write leftover output and return unused input */
inf_leave: inf_leave:
if (left < state->wsize) {
if (out(out_desc, state->window, state->wsize - left) &&
ret == Z_STREAM_END)
ret = Z_BUF_ERROR;
}
strm->next_in = next; strm->next_in = next;
strm->avail_in = have; strm->avail_in = have;
return ret; return ret;
} }
int ZEXPORT inflateBackEnd(strm) int ZEXPORT inflateBackEnd(z_streamp strm) {
z_streamp strm;
{
if (strm == Z_NULL || strm->state == Z_NULL || strm->zfree == (free_func)0) if (strm == Z_NULL || strm->state == Z_NULL || strm->zfree == (free_func)0)
return Z_STREAM_ERROR; return Z_STREAM_ERROR;
ZFREE(strm, strm->state); ZFREE(strm, strm->state);

View File

@ -47,10 +47,7 @@
requires strm->avail_out >= 258 for each loop to avoid checking for requires strm->avail_out >= 258 for each loop to avoid checking for
output space. output space.
*/ */
void ZLIB_INTERNAL inflate_fast(strm, start) void ZLIB_INTERNAL inflate_fast(z_streamp strm, unsigned start) {
z_streamp strm;
unsigned start; /* inflate()'s starting value for strm->avail_out */
{
struct inflate_state FAR *state; struct inflate_state FAR *state;
z_const unsigned char FAR *in; /* local strm->next_in */ z_const unsigned char FAR *in; /* local strm->next_in */
z_const unsigned char FAR *last; /* have enough input while in < last */ z_const unsigned char FAR *last; /* have enough input while in < last */
@ -70,7 +67,7 @@ unsigned start; /* inflate()'s starting value for strm->avail_out */
code const FAR *dcode; /* local strm->distcode */ code const FAR *dcode; /* local strm->distcode */
unsigned lmask; /* mask for first level of length codes */ unsigned lmask; /* mask for first level of length codes */
unsigned dmask; /* mask for first level of distance codes */ unsigned dmask; /* mask for first level of distance codes */
code here; /* retrieved table entry */ code const *here; /* retrieved table entry */
unsigned op; /* code bits, operation, extra bits, or */ unsigned op; /* code bits, operation, extra bits, or */
/* window position, window bytes to copy */ /* window position, window bytes to copy */
unsigned len; /* match length, unused bytes */ unsigned len; /* match length, unused bytes */
@ -107,20 +104,20 @@ unsigned start; /* inflate()'s starting value for strm->avail_out */
hold += (unsigned long)(*in++) << bits; hold += (unsigned long)(*in++) << bits;
bits += 8; bits += 8;
} }
here = lcode[hold & lmask]; here = lcode + (hold & lmask);
dolen: dolen:
op = (unsigned)(here.bits); op = (unsigned)(here->bits);
hold >>= op; hold >>= op;
bits -= op; bits -= op;
op = (unsigned)(here.op); op = (unsigned)(here->op);
if (op == 0) { /* literal */ if (op == 0) { /* literal */
Tracevv((stderr, here.val >= 0x20 && here.val < 0x7f ? Tracevv((stderr, here->val >= 0x20 && here->val < 0x7f ?
"inflate: literal '%c'\n" : "inflate: literal '%c'\n" :
"inflate: literal 0x%02x\n", here.val)); "inflate: literal 0x%02x\n", here->val));
*out++ = (unsigned char)(here.val); *out++ = (unsigned char)(here->val);
} }
else if (op & 16) { /* length base */ else if (op & 16) { /* length base */
len = (unsigned)(here.val); len = (unsigned)(here->val);
op &= 15; /* number of extra bits */ op &= 15; /* number of extra bits */
if (op) { if (op) {
if (bits < op) { if (bits < op) {
@ -138,14 +135,14 @@ unsigned start; /* inflate()'s starting value for strm->avail_out */
hold += (unsigned long)(*in++) << bits; hold += (unsigned long)(*in++) << bits;
bits += 8; bits += 8;
} }
here = dcode[hold & dmask]; here = dcode + (hold & dmask);
dodist: dodist:
op = (unsigned)(here.bits); op = (unsigned)(here->bits);
hold >>= op; hold >>= op;
bits -= op; bits -= op;
op = (unsigned)(here.op); op = (unsigned)(here->op);
if (op & 16) { /* distance base */ if (op & 16) { /* distance base */
dist = (unsigned)(here.val); dist = (unsigned)(here->val);
op &= 15; /* number of extra bits */ op &= 15; /* number of extra bits */
if (bits < op) { if (bits < op) {
hold += (unsigned long)(*in++) << bits; hold += (unsigned long)(*in++) << bits;
@ -264,7 +261,7 @@ unsigned start; /* inflate()'s starting value for strm->avail_out */
} }
} }
else if ((op & 64) == 0) { /* 2nd level distance code */ else if ((op & 64) == 0) { /* 2nd level distance code */
here = dcode[here.val + (hold & ((1U << op) - 1))]; here = dcode + here->val + (hold & ((1U << op) - 1));
goto dodist; goto dodist;
} }
else { else {
@ -274,7 +271,7 @@ unsigned start; /* inflate()'s starting value for strm->avail_out */
} }
} }
else if ((op & 64) == 0) { /* 2nd level length code */ else if ((op & 64) == 0) { /* 2nd level length code */
here = lcode[here.val + (hold & ((1U << op) - 1))]; here = lcode + here->val + (hold & ((1U << op) - 1));
goto dolen; goto dolen;
} }
else if (op & 32) { /* end-of-block */ else if (op & 32) { /* end-of-block */

View File

@ -8,4 +8,4 @@
subject to change. Applications should only use zlib.h. subject to change. Applications should only use zlib.h.
*/ */
void ZLIB_INTERNAL inflate_fast OF((z_streamp strm, unsigned start)); void ZLIB_INTERNAL inflate_fast(z_streamp strm, unsigned start);

View File

@ -1,5 +1,5 @@
/* inflate.c -- zlib decompression /* inflate.c -- zlib decompression
* Copyright (C) 1995-2016 Mark Adler * Copyright (C) 1995-2022 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h * For conditions of distribution and use, see copyright notice in zlib.h
*/ */
@ -91,20 +91,7 @@
# endif # endif
#endif #endif
/* function prototypes */ local int inflateStateCheck(z_streamp strm) {
local int inflateStateCheck OF((z_streamp strm));
local void fixedtables OF((struct inflate_state FAR *state));
local int updatewindow OF((z_streamp strm, const unsigned char FAR *end,
unsigned copy));
#ifdef BUILDFIXED
void makefixed OF((void));
#endif
local unsigned syncsearch OF((unsigned FAR *have, const unsigned char FAR *buf,
unsigned len));
local int inflateStateCheck(strm)
z_streamp strm;
{
struct inflate_state FAR *state; struct inflate_state FAR *state;
if (strm == Z_NULL || if (strm == Z_NULL ||
strm->zalloc == (alloc_func)0 || strm->zfree == (free_func)0) strm->zalloc == (alloc_func)0 || strm->zfree == (free_func)0)
@ -116,9 +103,7 @@ z_streamp strm;
return 0; return 0;
} }
int ZEXPORT inflateResetKeep(strm) int ZEXPORT inflateResetKeep(z_streamp strm) {
z_streamp strm;
{
struct inflate_state FAR *state; struct inflate_state FAR *state;
if (inflateStateCheck(strm)) return Z_STREAM_ERROR; if (inflateStateCheck(strm)) return Z_STREAM_ERROR;
@ -130,6 +115,7 @@ z_streamp strm;
state->mode = HEAD; state->mode = HEAD;
state->last = 0; state->last = 0;
state->havedict = 0; state->havedict = 0;
state->flags = -1;
state->dmax = 32768U; state->dmax = 32768U;
state->head = Z_NULL; state->head = Z_NULL;
state->hold = 0; state->hold = 0;
@ -141,9 +127,7 @@ z_streamp strm;
return Z_OK; return Z_OK;
} }
int ZEXPORT inflateReset(strm) int ZEXPORT inflateReset(z_streamp strm) {
z_streamp strm;
{
struct inflate_state FAR *state; struct inflate_state FAR *state;
if (inflateStateCheck(strm)) return Z_STREAM_ERROR; if (inflateStateCheck(strm)) return Z_STREAM_ERROR;
@ -154,10 +138,7 @@ z_streamp strm;
return inflateResetKeep(strm); return inflateResetKeep(strm);
} }
int ZEXPORT inflateReset2(strm, windowBits) int ZEXPORT inflateReset2(z_streamp strm, int windowBits) {
z_streamp strm;
int windowBits;
{
int wrap; int wrap;
struct inflate_state FAR *state; struct inflate_state FAR *state;
@ -167,6 +148,8 @@ int windowBits;
/* extract wrap request from windowBits parameter */ /* extract wrap request from windowBits parameter */
if (windowBits < 0) { if (windowBits < 0) {
if (windowBits < -15)
return Z_STREAM_ERROR;
wrap = 0; wrap = 0;
windowBits = -windowBits; windowBits = -windowBits;
} }
@ -192,12 +175,8 @@ int windowBits;
return inflateReset(strm); return inflateReset(strm);
} }
int ZEXPORT inflateInit2_(strm, windowBits, version, stream_size) int ZEXPORT inflateInit2_(z_streamp strm, int windowBits,
z_streamp strm; const char *version, int stream_size) {
int windowBits;
const char *version;
int stream_size;
{
int ret; int ret;
struct inflate_state FAR *state; struct inflate_state FAR *state;
@ -236,22 +215,17 @@ int stream_size;
return ret; return ret;
} }
int ZEXPORT inflateInit_(strm, version, stream_size) int ZEXPORT inflateInit_(z_streamp strm, const char *version,
z_streamp strm; int stream_size) {
const char *version;
int stream_size;
{
return inflateInit2_(strm, DEF_WBITS, version, stream_size); return inflateInit2_(strm, DEF_WBITS, version, stream_size);
} }
int ZEXPORT inflatePrime(strm, bits, value) int ZEXPORT inflatePrime(z_streamp strm, int bits, int value) {
z_streamp strm;
int bits;
int value;
{
struct inflate_state FAR *state; struct inflate_state FAR *state;
if (inflateStateCheck(strm)) return Z_STREAM_ERROR; if (inflateStateCheck(strm)) return Z_STREAM_ERROR;
if (bits == 0)
return Z_OK;
state = (struct inflate_state FAR *)strm->state; state = (struct inflate_state FAR *)strm->state;
if (bits < 0) { if (bits < 0) {
state->hold = 0; state->hold = 0;
@ -275,9 +249,7 @@ int value;
used for threaded applications, since the rewriting of the tables and virgin used for threaded applications, since the rewriting of the tables and virgin
may not be thread-safe. may not be thread-safe.
*/ */
local void fixedtables(state) local void fixedtables(struct inflate_state FAR *state) {
struct inflate_state FAR *state;
{
#ifdef BUILDFIXED #ifdef BUILDFIXED
static int virgin = 1; static int virgin = 1;
static code *lenfix, *distfix; static code *lenfix, *distfix;
@ -339,7 +311,7 @@ struct inflate_state FAR *state;
a.out > inffixed.h a.out > inffixed.h
*/ */
void makefixed() void makefixed(void)
{ {
unsigned low, size; unsigned low, size;
struct inflate_state state; struct inflate_state state;
@ -393,11 +365,7 @@ void makefixed()
output will fall in the output data, making match copies simpler and faster. output will fall in the output data, making match copies simpler and faster.
The advantage may be dependent on the size of the processor's data caches. The advantage may be dependent on the size of the processor's data caches.
*/ */
local int updatewindow(strm, end, copy) local int updatewindow(z_streamp strm, const Bytef *end, unsigned copy) {
z_streamp strm;
const Bytef *end;
unsigned copy;
{
struct inflate_state FAR *state; struct inflate_state FAR *state;
unsigned dist; unsigned dist;
@ -447,10 +415,10 @@ unsigned copy;
/* check function to use adler32() for zlib or crc32() for gzip */ /* check function to use adler32() for zlib or crc32() for gzip */
#ifdef GUNZIP #ifdef GUNZIP
# define UPDATE(check, buf, len) \ # define UPDATE_CHECK(check, buf, len) \
(state->flags ? crc32(check, buf, len) : adler32(check, buf, len)) (state->flags ? crc32(check, buf, len) : adler32(check, buf, len))
#else #else
# define UPDATE(check, buf, len) adler32(check, buf, len) # define UPDATE_CHECK(check, buf, len) adler32(check, buf, len)
#endif #endif
/* check macros for header crc */ /* check macros for header crc */
@ -619,10 +587,7 @@ unsigned copy;
will return Z_BUF_ERROR if it has not reached the end of the stream. will return Z_BUF_ERROR if it has not reached the end of the stream.
*/ */
int ZEXPORT inflate(strm, flush) int ZEXPORT inflate(z_streamp strm, int flush) {
z_streamp strm;
int flush;
{
struct inflate_state FAR *state; struct inflate_state FAR *state;
z_const unsigned char FAR *next; /* next input */ z_const unsigned char FAR *next; /* next input */
unsigned char FAR *put; /* next output */ unsigned char FAR *put; /* next output */
@ -670,7 +635,6 @@ int flush;
state->mode = FLAGS; state->mode = FLAGS;
break; break;
} }
state->flags = 0; /* expect zlib header */
if (state->head != Z_NULL) if (state->head != Z_NULL)
state->head->done = -1; state->head->done = -1;
if (!(state->wrap & 1) || /* check if zlib header allowed */ if (!(state->wrap & 1) || /* check if zlib header allowed */
@ -697,6 +661,7 @@ int flush;
break; break;
} }
state->dmax = 1U << len; state->dmax = 1U << len;
state->flags = 0; /* indicate zlib header */
Tracev((stderr, "inflate: zlib header ok\n")); Tracev((stderr, "inflate: zlib header ok\n"));
strm->adler = state->check = adler32(0L, Z_NULL, 0); strm->adler = state->check = adler32(0L, Z_NULL, 0);
state->mode = hold & 0x200 ? DICTID : TYPE; state->mode = hold & 0x200 ? DICTID : TYPE;
@ -722,6 +687,7 @@ int flush;
CRC2(state->check, hold); CRC2(state->check, hold);
INITBITS(); INITBITS();
state->mode = TIME; state->mode = TIME;
/* fallthrough */
case TIME: case TIME:
NEEDBITS(32); NEEDBITS(32);
if (state->head != Z_NULL) if (state->head != Z_NULL)
@ -730,6 +696,7 @@ int flush;
CRC4(state->check, hold); CRC4(state->check, hold);
INITBITS(); INITBITS();
state->mode = OS; state->mode = OS;
/* fallthrough */
case OS: case OS:
NEEDBITS(16); NEEDBITS(16);
if (state->head != Z_NULL) { if (state->head != Z_NULL) {
@ -740,6 +707,7 @@ int flush;
CRC2(state->check, hold); CRC2(state->check, hold);
INITBITS(); INITBITS();
state->mode = EXLEN; state->mode = EXLEN;
/* fallthrough */
case EXLEN: case EXLEN:
if (state->flags & 0x0400) { if (state->flags & 0x0400) {
NEEDBITS(16); NEEDBITS(16);
@ -753,14 +721,16 @@ int flush;
else if (state->head != Z_NULL) else if (state->head != Z_NULL)
state->head->extra = Z_NULL; state->head->extra = Z_NULL;
state->mode = EXTRA; state->mode = EXTRA;
/* fallthrough */
case EXTRA: case EXTRA:
if (state->flags & 0x0400) { if (state->flags & 0x0400) {
copy = state->length; copy = state->length;
if (copy > have) copy = have; if (copy > have) copy = have;
if (copy) { if (copy) {
if (state->head != Z_NULL && if (state->head != Z_NULL &&
state->head->extra != Z_NULL) { state->head->extra != Z_NULL &&
len = state->head->extra_len - state->length; (len = state->head->extra_len - state->length) <
state->head->extra_max) {
zmemcpy(state->head->extra + len, next, zmemcpy(state->head->extra + len, next,
len + copy > state->head->extra_max ? len + copy > state->head->extra_max ?
state->head->extra_max - len : copy); state->head->extra_max - len : copy);
@ -775,6 +745,7 @@ int flush;
} }
state->length = 0; state->length = 0;
state->mode = NAME; state->mode = NAME;
/* fallthrough */
case NAME: case NAME:
if (state->flags & 0x0800) { if (state->flags & 0x0800) {
if (have == 0) goto inf_leave; if (have == 0) goto inf_leave;
@ -796,6 +767,7 @@ int flush;
state->head->name = Z_NULL; state->head->name = Z_NULL;
state->length = 0; state->length = 0;
state->mode = COMMENT; state->mode = COMMENT;
/* fallthrough */
case COMMENT: case COMMENT:
if (state->flags & 0x1000) { if (state->flags & 0x1000) {
if (have == 0) goto inf_leave; if (have == 0) goto inf_leave;
@ -816,6 +788,7 @@ int flush;
else if (state->head != Z_NULL) else if (state->head != Z_NULL)
state->head->comment = Z_NULL; state->head->comment = Z_NULL;
state->mode = HCRC; state->mode = HCRC;
/* fallthrough */
case HCRC: case HCRC:
if (state->flags & 0x0200) { if (state->flags & 0x0200) {
NEEDBITS(16); NEEDBITS(16);
@ -839,6 +812,7 @@ int flush;
strm->adler = state->check = ZSWAP32(hold); strm->adler = state->check = ZSWAP32(hold);
INITBITS(); INITBITS();
state->mode = DICT; state->mode = DICT;
/* fallthrough */
case DICT: case DICT:
if (state->havedict == 0) { if (state->havedict == 0) {
RESTORE(); RESTORE();
@ -846,8 +820,10 @@ int flush;
} }
strm->adler = state->check = adler32(0L, Z_NULL, 0); strm->adler = state->check = adler32(0L, Z_NULL, 0);
state->mode = TYPE; state->mode = TYPE;
/* fallthrough */
case TYPE: case TYPE:
if (flush == Z_BLOCK || flush == Z_TREES) goto inf_leave; if (flush == Z_BLOCK || flush == Z_TREES) goto inf_leave;
/* fallthrough */
case TYPEDO: case TYPEDO:
if (state->last) { if (state->last) {
BYTEBITS(); BYTEBITS();
@ -898,8 +874,10 @@ int flush;
INITBITS(); INITBITS();
state->mode = COPY_; state->mode = COPY_;
if (flush == Z_TREES) goto inf_leave; if (flush == Z_TREES) goto inf_leave;
/* fallthrough */
case COPY_: case COPY_:
state->mode = COPY; state->mode = COPY;
/* fallthrough */
case COPY: case COPY:
copy = state->length; copy = state->length;
if (copy) { if (copy) {
@ -935,6 +913,7 @@ int flush;
Tracev((stderr, "inflate: table sizes ok\n")); Tracev((stderr, "inflate: table sizes ok\n"));
state->have = 0; state->have = 0;
state->mode = LENLENS; state->mode = LENLENS;
/* fallthrough */
case LENLENS: case LENLENS:
while (state->have < state->ncode) { while (state->have < state->ncode) {
NEEDBITS(3); NEEDBITS(3);
@ -956,6 +935,7 @@ int flush;
Tracev((stderr, "inflate: code lengths ok\n")); Tracev((stderr, "inflate: code lengths ok\n"));
state->have = 0; state->have = 0;
state->mode = CODELENS; state->mode = CODELENS;
/* fallthrough */
case CODELENS: case CODELENS:
while (state->have < state->nlen + state->ndist) { while (state->have < state->nlen + state->ndist) {
for (;;) { for (;;) {
@ -1039,8 +1019,10 @@ int flush;
Tracev((stderr, "inflate: codes ok\n")); Tracev((stderr, "inflate: codes ok\n"));
state->mode = LEN_; state->mode = LEN_;
if (flush == Z_TREES) goto inf_leave; if (flush == Z_TREES) goto inf_leave;
/* fallthrough */
case LEN_: case LEN_:
state->mode = LEN; state->mode = LEN;
/* fallthrough */
case LEN: case LEN:
if (have >= 6 && left >= 258) { if (have >= 6 && left >= 258) {
RESTORE(); RESTORE();
@ -1090,6 +1072,7 @@ int flush;
} }
state->extra = (unsigned)(here.op) & 15; state->extra = (unsigned)(here.op) & 15;
state->mode = LENEXT; state->mode = LENEXT;
/* fallthrough */
case LENEXT: case LENEXT:
if (state->extra) { if (state->extra) {
NEEDBITS(state->extra); NEEDBITS(state->extra);
@ -1100,6 +1083,7 @@ int flush;
Tracevv((stderr, "inflate: length %u\n", state->length)); Tracevv((stderr, "inflate: length %u\n", state->length));
state->was = state->length; state->was = state->length;
state->mode = DIST; state->mode = DIST;
/* fallthrough */
case DIST: case DIST:
for (;;) { for (;;) {
here = state->distcode[BITS(state->distbits)]; here = state->distcode[BITS(state->distbits)];
@ -1127,6 +1111,7 @@ int flush;
state->offset = (unsigned)here.val; state->offset = (unsigned)here.val;
state->extra = (unsigned)(here.op) & 15; state->extra = (unsigned)(here.op) & 15;
state->mode = DISTEXT; state->mode = DISTEXT;
/* fallthrough */
case DISTEXT: case DISTEXT:
if (state->extra) { if (state->extra) {
NEEDBITS(state->extra); NEEDBITS(state->extra);
@ -1143,6 +1128,7 @@ int flush;
#endif #endif
Tracevv((stderr, "inflate: distance %u\n", state->offset)); Tracevv((stderr, "inflate: distance %u\n", state->offset));
state->mode = MATCH; state->mode = MATCH;
/* fallthrough */
case MATCH: case MATCH:
if (left == 0) goto inf_leave; if (left == 0) goto inf_leave;
copy = out - left; copy = out - left;
@ -1202,7 +1188,7 @@ int flush;
state->total += out; state->total += out;
if ((state->wrap & 4) && out) if ((state->wrap & 4) && out)
strm->adler = state->check = strm->adler = state->check =
UPDATE(state->check, put - out, out); UPDATE_CHECK(state->check, put - out, out);
out = left; out = left;
if ((state->wrap & 4) && ( if ((state->wrap & 4) && (
#ifdef GUNZIP #ifdef GUNZIP
@ -1218,10 +1204,11 @@ int flush;
} }
#ifdef GUNZIP #ifdef GUNZIP
state->mode = LENGTH; state->mode = LENGTH;
/* fallthrough */
case LENGTH: case LENGTH:
if (state->wrap && state->flags) { if (state->wrap && state->flags) {
NEEDBITS(32); NEEDBITS(32);
if (hold != (state->total & 0xffffffffUL)) { if ((state->wrap & 4) && hold != (state->total & 0xffffffff)) {
strm->msg = (char *)"incorrect length check"; strm->msg = (char *)"incorrect length check";
state->mode = BAD; state->mode = BAD;
break; break;
@ -1231,6 +1218,7 @@ int flush;
} }
#endif #endif
state->mode = DONE; state->mode = DONE;
/* fallthrough */
case DONE: case DONE:
ret = Z_STREAM_END; ret = Z_STREAM_END;
goto inf_leave; goto inf_leave;
@ -1240,6 +1228,7 @@ int flush;
case MEM: case MEM:
return Z_MEM_ERROR; return Z_MEM_ERROR;
case SYNC: case SYNC:
/* fallthrough */
default: default:
return Z_STREAM_ERROR; return Z_STREAM_ERROR;
} }
@ -1265,7 +1254,7 @@ int flush;
state->total += out; state->total += out;
if ((state->wrap & 4) && out) if ((state->wrap & 4) && out)
strm->adler = state->check = strm->adler = state->check =
UPDATE(state->check, strm->next_out - out, out); UPDATE_CHECK(state->check, strm->next_out - out, out);
strm->data_type = (int)state->bits + (state->last ? 64 : 0) + strm->data_type = (int)state->bits + (state->last ? 64 : 0) +
(state->mode == TYPE ? 128 : 0) + (state->mode == TYPE ? 128 : 0) +
(state->mode == LEN_ || state->mode == COPY_ ? 256 : 0); (state->mode == LEN_ || state->mode == COPY_ ? 256 : 0);
@ -1274,9 +1263,7 @@ int flush;
return ret; return ret;
} }
int ZEXPORT inflateEnd(strm) int ZEXPORT inflateEnd(z_streamp strm) {
z_streamp strm;
{
struct inflate_state FAR *state; struct inflate_state FAR *state;
if (inflateStateCheck(strm)) if (inflateStateCheck(strm))
return Z_STREAM_ERROR; return Z_STREAM_ERROR;
@ -1288,11 +1275,8 @@ z_streamp strm;
return Z_OK; return Z_OK;
} }
int ZEXPORT inflateGetDictionary(strm, dictionary, dictLength) int ZEXPORT inflateGetDictionary(z_streamp strm, Bytef *dictionary,
z_streamp strm; uInt *dictLength) {
Bytef *dictionary;
uInt *dictLength;
{
struct inflate_state FAR *state; struct inflate_state FAR *state;
/* check state */ /* check state */
@ -1311,11 +1295,8 @@ uInt *dictLength;
return Z_OK; return Z_OK;
} }
int ZEXPORT inflateSetDictionary(strm, dictionary, dictLength) int ZEXPORT inflateSetDictionary(z_streamp strm, const Bytef *dictionary,
z_streamp strm; uInt dictLength) {
const Bytef *dictionary;
uInt dictLength;
{
struct inflate_state FAR *state; struct inflate_state FAR *state;
unsigned long dictid; unsigned long dictid;
int ret; int ret;
@ -1346,10 +1327,7 @@ uInt dictLength;
return Z_OK; return Z_OK;
} }
int ZEXPORT inflateGetHeader(strm, head) int ZEXPORT inflateGetHeader(z_streamp strm, gz_headerp head) {
z_streamp strm;
gz_headerp head;
{
struct inflate_state FAR *state; struct inflate_state FAR *state;
/* check state */ /* check state */
@ -1374,11 +1352,8 @@ gz_headerp head;
called again with more data and the *have state. *have is initialized to called again with more data and the *have state. *have is initialized to
zero for the first call. zero for the first call.
*/ */
local unsigned syncsearch(have, buf, len) local unsigned syncsearch(unsigned FAR *have, const unsigned char FAR *buf,
unsigned FAR *have; unsigned len) {
const unsigned char FAR *buf;
unsigned len;
{
unsigned got; unsigned got;
unsigned next; unsigned next;
@ -1397,10 +1372,9 @@ unsigned len;
return next; return next;
} }
int ZEXPORT inflateSync(strm) int ZEXPORT inflateSync(z_streamp strm) {
z_streamp strm;
{
unsigned len; /* number of bytes to look at or looked at */ unsigned len; /* number of bytes to look at or looked at */
int flags; /* temporary to save header status */
unsigned long in, out; /* temporary to save total_in and total_out */ unsigned long in, out; /* temporary to save total_in and total_out */
unsigned char buf[4]; /* to restore bit buffer to byte string */ unsigned char buf[4]; /* to restore bit buffer to byte string */
struct inflate_state FAR *state; struct inflate_state FAR *state;
@ -1413,7 +1387,7 @@ z_streamp strm;
/* if first time, start search in bit buffer */ /* if first time, start search in bit buffer */
if (state->mode != SYNC) { if (state->mode != SYNC) {
state->mode = SYNC; state->mode = SYNC;
state->hold <<= state->bits & 7; state->hold >>= state->bits & 7;
state->bits -= state->bits & 7; state->bits -= state->bits & 7;
len = 0; len = 0;
while (state->bits >= 8) { while (state->bits >= 8) {
@ -1433,9 +1407,15 @@ z_streamp strm;
/* return no joy or set up to restart inflate() on a new block */ /* return no joy or set up to restart inflate() on a new block */
if (state->have != 4) return Z_DATA_ERROR; if (state->have != 4) return Z_DATA_ERROR;
if (state->flags == -1)
state->wrap = 0; /* if no header yet, treat as raw */
else
state->wrap &= ~4; /* no point in computing a check value now */
flags = state->flags;
in = strm->total_in; out = strm->total_out; in = strm->total_in; out = strm->total_out;
inflateReset(strm); inflateReset(strm);
strm->total_in = in; strm->total_out = out; strm->total_in = in; strm->total_out = out;
state->flags = flags;
state->mode = TYPE; state->mode = TYPE;
return Z_OK; return Z_OK;
} }
@ -1448,9 +1428,7 @@ z_streamp strm;
block. When decompressing, PPP checks that at the end of input packet, block. When decompressing, PPP checks that at the end of input packet,
inflate is waiting for these length bytes. inflate is waiting for these length bytes.
*/ */
int ZEXPORT inflateSyncPoint(strm) int ZEXPORT inflateSyncPoint(z_streamp strm) {
z_streamp strm;
{
struct inflate_state FAR *state; struct inflate_state FAR *state;
if (inflateStateCheck(strm)) return Z_STREAM_ERROR; if (inflateStateCheck(strm)) return Z_STREAM_ERROR;
@ -1458,10 +1436,7 @@ z_streamp strm;
return state->mode == STORED && state->bits == 0; return state->mode == STORED && state->bits == 0;
} }
int ZEXPORT inflateCopy(dest, source) int ZEXPORT inflateCopy(z_streamp dest, z_streamp source) {
z_streamp dest;
z_streamp source;
{
struct inflate_state FAR *state; struct inflate_state FAR *state;
struct inflate_state FAR *copy; struct inflate_state FAR *copy;
unsigned char FAR *window; unsigned char FAR *window;
@ -1505,10 +1480,7 @@ z_streamp source;
return Z_OK; return Z_OK;
} }
int ZEXPORT inflateUndermine(strm, subvert) int ZEXPORT inflateUndermine(z_streamp strm, int subvert) {
z_streamp strm;
int subvert;
{
struct inflate_state FAR *state; struct inflate_state FAR *state;
if (inflateStateCheck(strm)) return Z_STREAM_ERROR; if (inflateStateCheck(strm)) return Z_STREAM_ERROR;
@ -1523,24 +1495,19 @@ int subvert;
#endif #endif
} }
int ZEXPORT inflateValidate(strm, check) int ZEXPORT inflateValidate(z_streamp strm, int check) {
z_streamp strm;
int check;
{
struct inflate_state FAR *state; struct inflate_state FAR *state;
if (inflateStateCheck(strm)) return Z_STREAM_ERROR; if (inflateStateCheck(strm)) return Z_STREAM_ERROR;
state = (struct inflate_state FAR *)strm->state; state = (struct inflate_state FAR *)strm->state;
if (check) if (check && state->wrap)
state->wrap |= 4; state->wrap |= 4;
else else
state->wrap &= ~4; state->wrap &= ~4;
return Z_OK; return Z_OK;
} }
long ZEXPORT inflateMark(strm) long ZEXPORT inflateMark(z_streamp strm) {
z_streamp strm;
{
struct inflate_state FAR *state; struct inflate_state FAR *state;
if (inflateStateCheck(strm)) if (inflateStateCheck(strm))
@ -1551,9 +1518,7 @@ z_streamp strm;
(state->mode == MATCH ? state->was - state->length : 0)); (state->mode == MATCH ? state->was - state->length : 0));
} }
unsigned long ZEXPORT inflateCodesUsed(strm) unsigned long ZEXPORT inflateCodesUsed(z_streamp strm) {
z_streamp strm;
{
struct inflate_state FAR *state; struct inflate_state FAR *state;
if (inflateStateCheck(strm)) return (unsigned long)-1; if (inflateStateCheck(strm)) return (unsigned long)-1;
state = (struct inflate_state FAR *)strm->state; state = (struct inflate_state FAR *)strm->state;

View File

@ -1,5 +1,5 @@
/* inflate.h -- internal inflate state definition /* inflate.h -- internal inflate state definition
* Copyright (C) 1995-2016 Mark Adler * Copyright (C) 1995-2019 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h * For conditions of distribution and use, see copyright notice in zlib.h
*/ */
@ -86,7 +86,8 @@ struct inflate_state {
int wrap; /* bit 0 true for zlib, bit 1 true for gzip, int wrap; /* bit 0 true for zlib, bit 1 true for gzip,
bit 2 true to validate check value */ bit 2 true to validate check value */
int havedict; /* true if dictionary provided */ int havedict; /* true if dictionary provided */
int flags; /* gzip header method and flags (0 if zlib) */ int flags; /* gzip header method and flags, 0 if zlib, or
-1 if raw or no header yet */
unsigned dmax; /* zlib header max distance (INFLATE_STRICT) */ unsigned dmax; /* zlib header max distance (INFLATE_STRICT) */
unsigned long check; /* protected copy of check value */ unsigned long check; /* protected copy of check value */
unsigned long total; /* protected copy of output count */ unsigned long total; /* protected copy of output count */

View File

@ -1,5 +1,5 @@
/* inftrees.c -- generate Huffman trees for efficient decoding /* inftrees.c -- generate Huffman trees for efficient decoding
* Copyright (C) 1995-2017 Mark Adler * Copyright (C) 1995-2024 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h * For conditions of distribution and use, see copyright notice in zlib.h
*/ */
@ -9,7 +9,7 @@
#define MAXBITS 15 #define MAXBITS 15
const char inflate_copyright[] = const char inflate_copyright[] =
" inflate 1.2.11 Copyright 1995-2017 Mark Adler "; " inflate 1.3.1 Copyright 1995-2024 Mark Adler ";
/* /*
If you use the zlib library in a product, an acknowledgment is welcome If you use the zlib library in a product, an acknowledgment is welcome
in the documentation of your product. If for some reason you cannot in the documentation of your product. If for some reason you cannot
@ -29,14 +29,9 @@ const char inflate_copyright[] =
table index bits. It will differ if the request is greater than the table index bits. It will differ if the request is greater than the
longest code or if it is less than the shortest code. longest code or if it is less than the shortest code.
*/ */
int ZLIB_INTERNAL inflate_table(type, lens, codes, table, bits, work) int ZLIB_INTERNAL inflate_table(codetype type, unsigned short FAR *lens,
codetype type; unsigned codes, code FAR * FAR *table,
unsigned short FAR *lens; unsigned FAR *bits, unsigned short FAR *work) {
unsigned codes;
code FAR * FAR *table;
unsigned FAR *bits;
unsigned short FAR *work;
{
unsigned len; /* a code's length in bits */ unsigned len; /* a code's length in bits */
unsigned sym; /* index of code symbols */ unsigned sym; /* index of code symbols */
unsigned min, max; /* minimum and maximum code lengths */ unsigned min, max; /* minimum and maximum code lengths */
@ -62,7 +57,7 @@ unsigned short FAR *work;
35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0}; 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0};
static const unsigned short lext[31] = { /* Length codes 257..285 extra */ static const unsigned short lext[31] = { /* Length codes 257..285 extra */
16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18,
19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 77, 202}; 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 203, 77};
static const unsigned short dbase[32] = { /* Distance codes 0..29 base */ static const unsigned short dbase[32] = { /* Distance codes 0..29 base */
1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193, 1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193,
257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145, 257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145,

View File

@ -38,11 +38,11 @@ typedef struct {
/* Maximum size of the dynamic table. The maximum number of code structures is /* Maximum size of the dynamic table. The maximum number of code structures is
1444, which is the sum of 852 for literal/length codes and 592 for distance 1444, which is the sum of 852 for literal/length codes and 592 for distance
codes. These values were found by exhaustive searches using the program codes. These values were found by exhaustive searches using the program
examples/enough.c found in the zlib distribtution. The arguments to that examples/enough.c found in the zlib distribution. The arguments to that
program are the number of symbols, the initial root table size, and the program are the number of symbols, the initial root table size, and the
maximum bit length of a code. "enough 286 9 15" for literal/length codes maximum bit length of a code. "enough 286 9 15" for literal/length codes
returns returns 852, and "enough 30 6 15" for distance codes returns 592. returns 852, and "enough 30 6 15" for distance codes returns 592. The
The initial root table size (9 or 6) is found in the fifth argument of the initial root table size (9 or 6) is found in the fifth argument of the
inflate_table() calls in inflate.c and infback.c. If the root table size is inflate_table() calls in inflate.c and infback.c. If the root table size is
changed, then these maximum sizes would be need to be recalculated and changed, then these maximum sizes would be need to be recalculated and
updated. */ updated. */
@ -57,6 +57,6 @@ typedef enum {
DISTS DISTS
} codetype; } codetype;
int ZLIB_INTERNAL inflate_table OF((codetype type, unsigned short FAR *lens, int ZLIB_INTERNAL inflate_table(codetype type, unsigned short FAR *lens,
unsigned codes, code FAR * FAR *table, unsigned codes, code FAR * FAR *table,
unsigned FAR *bits, unsigned short FAR *work)); unsigned FAR *bits, unsigned short FAR *work);

View File

@ -1,5 +1,5 @@
/* trees.c -- output deflated data using Huffman coding /* trees.c -- output deflated data using Huffman coding
* Copyright (C) 1995-2017 Jean-loup Gailly * Copyright (C) 1995-2024 Jean-loup Gailly
* detect_data_type() function provided freely by Cosmin Truta, 2006 * detect_data_type() function provided freely by Cosmin Truta, 2006
* For conditions of distribution and use, see copyright notice in zlib.h * For conditions of distribution and use, see copyright notice in zlib.h
*/ */
@ -122,39 +122,116 @@ struct static_tree_desc_s {
int max_length; /* max bit length for the codes */ int max_length; /* max bit length for the codes */
}; };
local const static_tree_desc static_l_desc = #ifdef NO_INIT_GLOBAL_POINTERS
# define TCONST
#else
# define TCONST const
#endif
local TCONST static_tree_desc static_l_desc =
{static_ltree, extra_lbits, LITERALS+1, L_CODES, MAX_BITS}; {static_ltree, extra_lbits, LITERALS+1, L_CODES, MAX_BITS};
local const static_tree_desc static_d_desc = local TCONST static_tree_desc static_d_desc =
{static_dtree, extra_dbits, 0, D_CODES, MAX_BITS}; {static_dtree, extra_dbits, 0, D_CODES, MAX_BITS};
local const static_tree_desc static_bl_desc = local TCONST static_tree_desc static_bl_desc =
{(const ct_data *)0, extra_blbits, 0, BL_CODES, MAX_BL_BITS}; {(const ct_data *)0, extra_blbits, 0, BL_CODES, MAX_BL_BITS};
/* =========================================================================== /* ===========================================================================
* Local (static) routines in this file. * Output a short LSB first on the stream.
* IN assertion: there is enough room in pendingBuf.
*/ */
#define put_short(s, w) { \
put_byte(s, (uch)((w) & 0xff)); \
put_byte(s, (uch)((ush)(w) >> 8)); \
}
local void tr_static_init OF((void)); /* ===========================================================================
local void init_block OF((deflate_state *s)); * Reverse the first len bits of a code, using straightforward code (a faster
local void pqdownheap OF((deflate_state *s, ct_data *tree, int k)); * method would use a table)
local void gen_bitlen OF((deflate_state *s, tree_desc *desc)); * IN assertion: 1 <= len <= 15
local void gen_codes OF((ct_data *tree, int max_code, ushf *bl_count)); */
local void build_tree OF((deflate_state *s, tree_desc *desc)); local unsigned bi_reverse(unsigned code, int len) {
local void scan_tree OF((deflate_state *s, ct_data *tree, int max_code)); register unsigned res = 0;
local void send_tree OF((deflate_state *s, ct_data *tree, int max_code)); do {
local int build_bl_tree OF((deflate_state *s)); res |= code & 1;
local void send_all_trees OF((deflate_state *s, int lcodes, int dcodes, code >>= 1, res <<= 1;
int blcodes)); } while (--len > 0);
local void compress_block OF((deflate_state *s, const ct_data *ltree, return res >> 1;
const ct_data *dtree)); }
local int detect_data_type OF((deflate_state *s));
local unsigned bi_reverse OF((unsigned value, int length)); /* ===========================================================================
local void bi_windup OF((deflate_state *s)); * Flush the bit buffer, keeping at most 7 bits in it.
local void bi_flush OF((deflate_state *s)); */
local void bi_flush(deflate_state *s) {
if (s->bi_valid == 16) {
put_short(s, s->bi_buf);
s->bi_buf = 0;
s->bi_valid = 0;
} else if (s->bi_valid >= 8) {
put_byte(s, (Byte)s->bi_buf);
s->bi_buf >>= 8;
s->bi_valid -= 8;
}
}
/* ===========================================================================
* Flush the bit buffer and align the output on a byte boundary
*/
local void bi_windup(deflate_state *s) {
if (s->bi_valid > 8) {
put_short(s, s->bi_buf);
} else if (s->bi_valid > 0) {
put_byte(s, (Byte)s->bi_buf);
}
s->bi_buf = 0;
s->bi_valid = 0;
#ifdef ZLIB_DEBUG
s->bits_sent = (s->bits_sent + 7) & ~7;
#endif
}
/* ===========================================================================
* Generate the codes for a given tree and bit counts (which need not be
* optimal).
* IN assertion: the array bl_count contains the bit length statistics for
* the given tree and the field len is set for all tree elements.
* OUT assertion: the field code is set for all tree elements of non
* zero code length.
*/
local void gen_codes(ct_data *tree, int max_code, ushf *bl_count) {
ush next_code[MAX_BITS+1]; /* next code value for each bit length */
unsigned code = 0; /* running code value */
int bits; /* bit index */
int n; /* code index */
/* The distribution counts are first used to generate the code values
* without bit reversal.
*/
for (bits = 1; bits <= MAX_BITS; bits++) {
code = (code + bl_count[bits - 1]) << 1;
next_code[bits] = (ush)code;
}
/* Check that the bit counts in bl_count are consistent. The last code
* must be all ones.
*/
Assert (code + bl_count[MAX_BITS] - 1 == (1 << MAX_BITS) - 1,
"inconsistent bit counts");
Tracev((stderr,"\ngen_codes: max_code %d ", max_code));
for (n = 0; n <= max_code; n++) {
int len = tree[n].Len;
if (len == 0) continue;
/* Now reverse the bits */
tree[n].Code = (ush)bi_reverse(next_code[len]++, len);
Tracecv(tree != static_ltree, (stderr,"\nn %3d %c l %2d c %4x (%x) ",
n, (isgraph(n) ? n : ' '), len, tree[n].Code, next_code[len] - 1));
}
}
#ifdef GEN_TREES_H #ifdef GEN_TREES_H
local void gen_trees_header OF((void)); local void gen_trees_header(void);
#endif #endif
#ifndef ZLIB_DEBUG #ifndef ZLIB_DEBUG
@ -167,33 +244,18 @@ local void gen_trees_header OF((void));
send_bits(s, tree[c].Code, tree[c].Len); } send_bits(s, tree[c].Code, tree[c].Len); }
#endif #endif
/* ===========================================================================
* Output a short LSB first on the stream.
* IN assertion: there is enough room in pendingBuf.
*/
#define put_short(s, w) { \
put_byte(s, (uch)((w) & 0xff)); \
put_byte(s, (uch)((ush)(w) >> 8)); \
}
/* =========================================================================== /* ===========================================================================
* Send a value on a given number of bits. * Send a value on a given number of bits.
* IN assertion: length <= 16 and value fits in length bits. * IN assertion: length <= 16 and value fits in length bits.
*/ */
#ifdef ZLIB_DEBUG #ifdef ZLIB_DEBUG
local void send_bits OF((deflate_state *s, int value, int length)); local void send_bits(deflate_state *s, int value, int length) {
local void send_bits(s, value, length)
deflate_state *s;
int value; /* value to send */
int length; /* number of bits */
{
Tracevv((stderr," l %2d v %4x ", length, value)); Tracevv((stderr," l %2d v %4x ", length, value));
Assert(length > 0 && length <= 15, "invalid length"); Assert(length > 0 && length <= 15, "invalid length");
s->bits_sent += (ulg)length; s->bits_sent += (ulg)length;
/* If not enough room in bi_buf, use (valid) bits from bi_buf and /* If not enough room in bi_buf, use (valid) bits from bi_buf and
* (16 - bi_valid) bits from value, leaving (width - (16-bi_valid)) * (16 - bi_valid) bits from value, leaving (width - (16 - bi_valid))
* unused bits in value. * unused bits in value.
*/ */
if (s->bi_valid > (int)Buf_size - length) { if (s->bi_valid > (int)Buf_size - length) {
@ -229,8 +291,7 @@ local void send_bits(s, value, length)
/* =========================================================================== /* ===========================================================================
* Initialize the various 'constant' tables. * Initialize the various 'constant' tables.
*/ */
local void tr_static_init() local void tr_static_init(void) {
{
#if defined(GEN_TREES_H) || !defined(STDC) #if defined(GEN_TREES_H) || !defined(STDC)
static int static_init_done = 0; static int static_init_done = 0;
int n; /* iterates over tree elements */ int n; /* iterates over tree elements */
@ -256,7 +317,7 @@ local void tr_static_init()
length = 0; length = 0;
for (code = 0; code < LENGTH_CODES-1; code++) { for (code = 0; code < LENGTH_CODES-1; code++) {
base_length[code] = length; base_length[code] = length;
for (n = 0; n < (1<<extra_lbits[code]); n++) { for (n = 0; n < (1 << extra_lbits[code]); n++) {
_length_code[length++] = (uch)code; _length_code[length++] = (uch)code;
} }
} }
@ -265,13 +326,13 @@ local void tr_static_init()
* in two different ways: code 284 + 5 bits or code 285, so we * in two different ways: code 284 + 5 bits or code 285, so we
* overwrite length_code[255] to use the best encoding: * overwrite length_code[255] to use the best encoding:
*/ */
_length_code[length-1] = (uch)code; _length_code[length - 1] = (uch)code;
/* Initialize the mapping dist (0..32K) -> dist code (0..29) */ /* Initialize the mapping dist (0..32K) -> dist code (0..29) */
dist = 0; dist = 0;
for (code = 0 ; code < 16; code++) { for (code = 0 ; code < 16; code++) {
base_dist[code] = dist; base_dist[code] = dist;
for (n = 0; n < (1<<extra_dbits[code]); n++) { for (n = 0; n < (1 << extra_dbits[code]); n++) {
_dist_code[dist++] = (uch)code; _dist_code[dist++] = (uch)code;
} }
} }
@ -279,11 +340,11 @@ local void tr_static_init()
dist >>= 7; /* from now on, all distances are divided by 128 */ dist >>= 7; /* from now on, all distances are divided by 128 */
for ( ; code < D_CODES; code++) { for ( ; code < D_CODES; code++) {
base_dist[code] = dist << 7; base_dist[code] = dist << 7;
for (n = 0; n < (1<<(extra_dbits[code]-7)); n++) { for (n = 0; n < (1 << (extra_dbits[code] - 7)); n++) {
_dist_code[256 + dist++] = (uch)code; _dist_code[256 + dist++] = (uch)code;
} }
} }
Assert (dist == 256, "tr_static_init: 256+dist != 512"); Assert (dist == 256, "tr_static_init: 256 + dist != 512");
/* Construct the codes of the static literal tree */ /* Construct the codes of the static literal tree */
for (bits = 0; bits <= MAX_BITS; bits++) bl_count[bits] = 0; for (bits = 0; bits <= MAX_BITS; bits++) bl_count[bits] = 0;
@ -312,7 +373,7 @@ local void tr_static_init()
} }
/* =========================================================================== /* ===========================================================================
* Genererate the file trees.h describing the static trees. * Generate the file trees.h describing the static trees.
*/ */
#ifdef GEN_TREES_H #ifdef GEN_TREES_H
# ifndef ZLIB_DEBUG # ifndef ZLIB_DEBUG
@ -321,10 +382,9 @@ local void tr_static_init()
# define SEPARATOR(i, last, width) \ # define SEPARATOR(i, last, width) \
((i) == (last)? "\n};\n\n" : \ ((i) == (last)? "\n};\n\n" : \
((i) % (width) == (width)-1 ? ",\n" : ", ")) ((i) % (width) == (width) - 1 ? ",\n" : ", "))
void gen_trees_header() void gen_trees_header(void) {
{
FILE *header = fopen("trees.h", "w"); FILE *header = fopen("trees.h", "w");
int i; int i;
@ -373,12 +433,26 @@ void gen_trees_header()
} }
#endif /* GEN_TREES_H */ #endif /* GEN_TREES_H */
/* ===========================================================================
* Initialize a new block.
*/
local void init_block(deflate_state *s) {
int n; /* iterates over tree elements */
/* Initialize the trees. */
for (n = 0; n < L_CODES; n++) s->dyn_ltree[n].Freq = 0;
for (n = 0; n < D_CODES; n++) s->dyn_dtree[n].Freq = 0;
for (n = 0; n < BL_CODES; n++) s->bl_tree[n].Freq = 0;
s->dyn_ltree[END_BLOCK].Freq = 1;
s->opt_len = s->static_len = 0L;
s->sym_next = s->matches = 0;
}
/* =========================================================================== /* ===========================================================================
* Initialize the tree data structures for a new zlib stream. * Initialize the tree data structures for a new zlib stream.
*/ */
void ZLIB_INTERNAL _tr_init(s) void ZLIB_INTERNAL _tr_init(deflate_state *s) {
deflate_state *s;
{
tr_static_init(); tr_static_init();
s->l_desc.dyn_tree = s->dyn_ltree; s->l_desc.dyn_tree = s->dyn_ltree;
@ -401,24 +475,6 @@ void ZLIB_INTERNAL _tr_init(s)
init_block(s); init_block(s);
} }
/* ===========================================================================
* Initialize a new block.
*/
local void init_block(s)
deflate_state *s;
{
int n; /* iterates over tree elements */
/* Initialize the trees. */
for (n = 0; n < L_CODES; n++) s->dyn_ltree[n].Freq = 0;
for (n = 0; n < D_CODES; n++) s->dyn_dtree[n].Freq = 0;
for (n = 0; n < BL_CODES; n++) s->bl_tree[n].Freq = 0;
s->dyn_ltree[END_BLOCK].Freq = 1;
s->opt_len = s->static_len = 0L;
s->last_lit = s->matches = 0;
}
#define SMALLEST 1 #define SMALLEST 1
/* Index within the heap array of least frequent node in the Huffman tree */ /* Index within the heap array of least frequent node in the Huffman tree */
@ -448,17 +504,13 @@ local void init_block(s)
* when the heap property is re-established (each father smaller than its * when the heap property is re-established (each father smaller than its
* two sons). * two sons).
*/ */
local void pqdownheap(s, tree, k) local void pqdownheap(deflate_state *s, ct_data *tree, int k) {
deflate_state *s;
ct_data *tree; /* the tree to restore */
int k; /* node to move down */
{
int v = s->heap[k]; int v = s->heap[k];
int j = k << 1; /* left son of k */ int j = k << 1; /* left son of k */
while (j <= s->heap_len) { while (j <= s->heap_len) {
/* Set j to the smallest of the two sons: */ /* Set j to the smallest of the two sons: */
if (j < s->heap_len && if (j < s->heap_len &&
smaller(tree, s->heap[j+1], s->heap[j], s->depth)) { smaller(tree, s->heap[j + 1], s->heap[j], s->depth)) {
j++; j++;
} }
/* Exit if v is smaller than both sons */ /* Exit if v is smaller than both sons */
@ -483,10 +535,7 @@ local void pqdownheap(s, tree, k)
* The length opt_len is updated; static_len is also updated if stree is * The length opt_len is updated; static_len is also updated if stree is
* not null. * not null.
*/ */
local void gen_bitlen(s, desc) local void gen_bitlen(deflate_state *s, tree_desc *desc) {
deflate_state *s;
tree_desc *desc; /* the tree descriptor */
{
ct_data *tree = desc->dyn_tree; ct_data *tree = desc->dyn_tree;
int max_code = desc->max_code; int max_code = desc->max_code;
const ct_data *stree = desc->stat_desc->static_tree; const ct_data *stree = desc->stat_desc->static_tree;
@ -507,7 +556,7 @@ local void gen_bitlen(s, desc)
*/ */
tree[s->heap[s->heap_max]].Len = 0; /* root of the heap */ tree[s->heap[s->heap_max]].Len = 0; /* root of the heap */
for (h = s->heap_max+1; h < HEAP_SIZE; h++) { for (h = s->heap_max + 1; h < HEAP_SIZE; h++) {
n = s->heap[h]; n = s->heap[h];
bits = tree[tree[n].Dad].Len + 1; bits = tree[tree[n].Dad].Len + 1;
if (bits > max_length) bits = max_length, overflow++; if (bits > max_length) bits = max_length, overflow++;
@ -518,7 +567,7 @@ local void gen_bitlen(s, desc)
s->bl_count[bits]++; s->bl_count[bits]++;
xbits = 0; xbits = 0;
if (n >= base) xbits = extra[n-base]; if (n >= base) xbits = extra[n - base];
f = tree[n].Freq; f = tree[n].Freq;
s->opt_len += (ulg)f * (unsigned)(bits + xbits); s->opt_len += (ulg)f * (unsigned)(bits + xbits);
if (stree) s->static_len += (ulg)f * (unsigned)(stree[n].Len + xbits); if (stree) s->static_len += (ulg)f * (unsigned)(stree[n].Len + xbits);
@ -530,10 +579,10 @@ local void gen_bitlen(s, desc)
/* Find the first bit length which could increase: */ /* Find the first bit length which could increase: */
do { do {
bits = max_length-1; bits = max_length - 1;
while (s->bl_count[bits] == 0) bits--; while (s->bl_count[bits] == 0) bits--;
s->bl_count[bits]--; /* move one leaf down the tree */ s->bl_count[bits]--; /* move one leaf down the tree */
s->bl_count[bits+1] += 2; /* move one overflow item as its brother */ s->bl_count[bits + 1] += 2; /* move one overflow item as its brother */
s->bl_count[max_length]--; s->bl_count[max_length]--;
/* The brother of the overflow item also moves one step up, /* The brother of the overflow item also moves one step up,
* but this does not affect bl_count[max_length] * but this does not affect bl_count[max_length]
@ -561,48 +610,9 @@ local void gen_bitlen(s, desc)
} }
} }
/* =========================================================================== #ifdef DUMP_BL_TREE
* Generate the codes for a given tree and bit counts (which need not be # include <stdio.h>
* optimal). #endif
* IN assertion: the array bl_count contains the bit length statistics for
* the given tree and the field len is set for all tree elements.
* OUT assertion: the field code is set for all tree elements of non
* zero code length.
*/
local void gen_codes (tree, max_code, bl_count)
ct_data *tree; /* the tree to decorate */
int max_code; /* largest code with non zero frequency */
ushf *bl_count; /* number of codes at each bit length */
{
ush next_code[MAX_BITS+1]; /* next code value for each bit length */
unsigned code = 0; /* running code value */
int bits; /* bit index */
int n; /* code index */
/* The distribution counts are first used to generate the code values
* without bit reversal.
*/
for (bits = 1; bits <= MAX_BITS; bits++) {
code = (code + bl_count[bits-1]) << 1;
next_code[bits] = (ush)code;
}
/* Check that the bit counts in bl_count are consistent. The last code
* must be all ones.
*/
Assert (code + bl_count[MAX_BITS]-1 == (1<<MAX_BITS)-1,
"inconsistent bit counts");
Tracev((stderr,"\ngen_codes: max_code %d ", max_code));
for (n = 0; n <= max_code; n++) {
int len = tree[n].Len;
if (len == 0) continue;
/* Now reverse the bits */
tree[n].Code = (ush)bi_reverse(next_code[len]++, len);
Tracecv(tree != static_ltree, (stderr,"\nn %3d %c l %2d c %4x (%x) ",
n, (isgraph(n) ? n : ' '), len, tree[n].Code, next_code[len]-1));
}
}
/* =========================================================================== /* ===========================================================================
* Construct one Huffman tree and assigns the code bit strings and lengths. * Construct one Huffman tree and assigns the code bit strings and lengths.
@ -612,10 +622,7 @@ local void gen_codes (tree, max_code, bl_count)
* and corresponding code. The length opt_len is updated; static_len is * and corresponding code. The length opt_len is updated; static_len is
* also updated if stree is not null. The field max_code is set. * also updated if stree is not null. The field max_code is set.
*/ */
local void build_tree(s, desc) local void build_tree(deflate_state *s, tree_desc *desc) {
deflate_state *s;
tree_desc *desc; /* the tree descriptor */
{
ct_data *tree = desc->dyn_tree; ct_data *tree = desc->dyn_tree;
const ct_data *stree = desc->stat_desc->static_tree; const ct_data *stree = desc->stat_desc->static_tree;
int elems = desc->stat_desc->elems; int elems = desc->stat_desc->elems;
@ -624,7 +631,7 @@ local void build_tree(s, desc)
int node; /* new node being created */ int node; /* new node being created */
/* Construct the initial heap, with least frequent element in /* Construct the initial heap, with least frequent element in
* heap[SMALLEST]. The sons of heap[n] are heap[2*n] and heap[2*n+1]. * heap[SMALLEST]. The sons of heap[n] are heap[2*n] and heap[2*n + 1].
* heap[0] is not used. * heap[0] is not used.
*/ */
s->heap_len = 0, s->heap_max = HEAP_SIZE; s->heap_len = 0, s->heap_max = HEAP_SIZE;
@ -652,7 +659,7 @@ local void build_tree(s, desc)
} }
desc->max_code = max_code; desc->max_code = max_code;
/* The elements heap[heap_len/2+1 .. heap_len] are leaves of the tree, /* The elements heap[heap_len/2 + 1 .. heap_len] are leaves of the tree,
* establish sub-heaps of increasing lengths: * establish sub-heaps of increasing lengths:
*/ */
for (n = s->heap_len/2; n >= 1; n--) pqdownheap(s, tree, n); for (n = s->heap_len/2; n >= 1; n--) pqdownheap(s, tree, n);
@ -700,11 +707,7 @@ local void build_tree(s, desc)
* Scan a literal or distance tree to determine the frequencies of the codes * Scan a literal or distance tree to determine the frequencies of the codes
* in the bit length tree. * in the bit length tree.
*/ */
local void scan_tree (s, tree, max_code) local void scan_tree(deflate_state *s, ct_data *tree, int max_code) {
deflate_state *s;
ct_data *tree; /* the tree to be scanned */
int max_code; /* and its largest code of non zero frequency */
{
int n; /* iterates over all tree elements */ int n; /* iterates over all tree elements */
int prevlen = -1; /* last emitted length */ int prevlen = -1; /* last emitted length */
int curlen; /* length of current code */ int curlen; /* length of current code */
@ -714,10 +717,10 @@ local void scan_tree (s, tree, max_code)
int min_count = 4; /* min repeat count */ int min_count = 4; /* min repeat count */
if (nextlen == 0) max_count = 138, min_count = 3; if (nextlen == 0) max_count = 138, min_count = 3;
tree[max_code+1].Len = (ush)0xffff; /* guard */ tree[max_code + 1].Len = (ush)0xffff; /* guard */
for (n = 0; n <= max_code; n++) { for (n = 0; n <= max_code; n++) {
curlen = nextlen; nextlen = tree[n+1].Len; curlen = nextlen; nextlen = tree[n + 1].Len;
if (++count < max_count && curlen == nextlen) { if (++count < max_count && curlen == nextlen) {
continue; continue;
} else if (count < min_count) { } else if (count < min_count) {
@ -745,11 +748,7 @@ local void scan_tree (s, tree, max_code)
* Send a literal or distance tree in compressed form, using the codes in * Send a literal or distance tree in compressed form, using the codes in
* bl_tree. * bl_tree.
*/ */
local void send_tree (s, tree, max_code) local void send_tree(deflate_state *s, ct_data *tree, int max_code) {
deflate_state *s;
ct_data *tree; /* the tree to be scanned */
int max_code; /* and its largest code of non zero frequency */
{
int n; /* iterates over all tree elements */ int n; /* iterates over all tree elements */
int prevlen = -1; /* last emitted length */ int prevlen = -1; /* last emitted length */
int curlen; /* length of current code */ int curlen; /* length of current code */
@ -758,11 +757,11 @@ local void send_tree (s, tree, max_code)
int max_count = 7; /* max repeat count */ int max_count = 7; /* max repeat count */
int min_count = 4; /* min repeat count */ int min_count = 4; /* min repeat count */
/* tree[max_code+1].Len = -1; */ /* guard already set */ /* tree[max_code + 1].Len = -1; */ /* guard already set */
if (nextlen == 0) max_count = 138, min_count = 3; if (nextlen == 0) max_count = 138, min_count = 3;
for (n = 0; n <= max_code; n++) { for (n = 0; n <= max_code; n++) {
curlen = nextlen; nextlen = tree[n+1].Len; curlen = nextlen; nextlen = tree[n + 1].Len;
if (++count < max_count && curlen == nextlen) { if (++count < max_count && curlen == nextlen) {
continue; continue;
} else if (count < min_count) { } else if (count < min_count) {
@ -773,13 +772,13 @@ local void send_tree (s, tree, max_code)
send_code(s, curlen, s->bl_tree); count--; send_code(s, curlen, s->bl_tree); count--;
} }
Assert(count >= 3 && count <= 6, " 3_6?"); Assert(count >= 3 && count <= 6, " 3_6?");
send_code(s, REP_3_6, s->bl_tree); send_bits(s, count-3, 2); send_code(s, REP_3_6, s->bl_tree); send_bits(s, count - 3, 2);
} else if (count <= 10) { } else if (count <= 10) {
send_code(s, REPZ_3_10, s->bl_tree); send_bits(s, count-3, 3); send_code(s, REPZ_3_10, s->bl_tree); send_bits(s, count - 3, 3);
} else { } else {
send_code(s, REPZ_11_138, s->bl_tree); send_bits(s, count-11, 7); send_code(s, REPZ_11_138, s->bl_tree); send_bits(s, count - 11, 7);
} }
count = 0; prevlen = curlen; count = 0; prevlen = curlen;
if (nextlen == 0) { if (nextlen == 0) {
@ -796,9 +795,7 @@ local void send_tree (s, tree, max_code)
* Construct the Huffman tree for the bit lengths and return the index in * Construct the Huffman tree for the bit lengths and return the index in
* bl_order of the last bit length code to send. * bl_order of the last bit length code to send.
*/ */
local int build_bl_tree(s) local int build_bl_tree(deflate_state *s) {
deflate_state *s;
{
int max_blindex; /* index of last bit length code of non zero freq */ int max_blindex; /* index of last bit length code of non zero freq */
/* Determine the bit length frequencies for literal and distance trees */ /* Determine the bit length frequencies for literal and distance trees */
@ -807,8 +804,8 @@ local int build_bl_tree(s)
/* Build the bit length tree: */ /* Build the bit length tree: */
build_tree(s, (tree_desc *)(&(s->bl_desc))); build_tree(s, (tree_desc *)(&(s->bl_desc)));
/* opt_len now includes the length of the tree representations, except /* opt_len now includes the length of the tree representations, except the
* the lengths of the bit lengths codes and the 5+5+4 bits for the counts. * lengths of the bit lengths codes and the 5 + 5 + 4 bits for the counts.
*/ */
/* Determine the number of bit length codes to send. The pkzip format /* Determine the number of bit length codes to send. The pkzip format
@ -819,7 +816,7 @@ local int build_bl_tree(s)
if (s->bl_tree[bl_order[max_blindex]].Len != 0) break; if (s->bl_tree[bl_order[max_blindex]].Len != 0) break;
} }
/* Update opt_len to include the bit length tree and counts */ /* Update opt_len to include the bit length tree and counts */
s->opt_len += 3*((ulg)max_blindex+1) + 5+5+4; s->opt_len += 3*((ulg)max_blindex + 1) + 5 + 5 + 4;
Tracev((stderr, "\ndyn trees: dyn %ld, stat %ld", Tracev((stderr, "\ndyn trees: dyn %ld, stat %ld",
s->opt_len, s->static_len)); s->opt_len, s->static_len));
@ -831,61 +828,54 @@ local int build_bl_tree(s)
* lengths of the bit length codes, the literal tree and the distance tree. * lengths of the bit length codes, the literal tree and the distance tree.
* IN assertion: lcodes >= 257, dcodes >= 1, blcodes >= 4. * IN assertion: lcodes >= 257, dcodes >= 1, blcodes >= 4.
*/ */
local void send_all_trees(s, lcodes, dcodes, blcodes) local void send_all_trees(deflate_state *s, int lcodes, int dcodes,
deflate_state *s; int blcodes) {
int lcodes, dcodes, blcodes; /* number of codes for each tree */
{
int rank; /* index in bl_order */ int rank; /* index in bl_order */
Assert (lcodes >= 257 && dcodes >= 1 && blcodes >= 4, "not enough codes"); Assert (lcodes >= 257 && dcodes >= 1 && blcodes >= 4, "not enough codes");
Assert (lcodes <= L_CODES && dcodes <= D_CODES && blcodes <= BL_CODES, Assert (lcodes <= L_CODES && dcodes <= D_CODES && blcodes <= BL_CODES,
"too many codes"); "too many codes");
Tracev((stderr, "\nbl counts: ")); Tracev((stderr, "\nbl counts: "));
send_bits(s, lcodes-257, 5); /* not +255 as stated in appnote.txt */ send_bits(s, lcodes - 257, 5); /* not +255 as stated in appnote.txt */
send_bits(s, dcodes-1, 5); send_bits(s, dcodes - 1, 5);
send_bits(s, blcodes-4, 4); /* not -3 as stated in appnote.txt */ send_bits(s, blcodes - 4, 4); /* not -3 as stated in appnote.txt */
for (rank = 0; rank < blcodes; rank++) { for (rank = 0; rank < blcodes; rank++) {
Tracev((stderr, "\nbl code %2d ", bl_order[rank])); Tracev((stderr, "\nbl code %2d ", bl_order[rank]));
send_bits(s, s->bl_tree[bl_order[rank]].Len, 3); send_bits(s, s->bl_tree[bl_order[rank]].Len, 3);
} }
Tracev((stderr, "\nbl tree: sent %ld", s->bits_sent)); Tracev((stderr, "\nbl tree: sent %ld", s->bits_sent));
send_tree(s, (ct_data *)s->dyn_ltree, lcodes-1); /* literal tree */ send_tree(s, (ct_data *)s->dyn_ltree, lcodes - 1); /* literal tree */
Tracev((stderr, "\nlit tree: sent %ld", s->bits_sent)); Tracev((stderr, "\nlit tree: sent %ld", s->bits_sent));
send_tree(s, (ct_data *)s->dyn_dtree, dcodes-1); /* distance tree */ send_tree(s, (ct_data *)s->dyn_dtree, dcodes - 1); /* distance tree */
Tracev((stderr, "\ndist tree: sent %ld", s->bits_sent)); Tracev((stderr, "\ndist tree: sent %ld", s->bits_sent));
} }
/* =========================================================================== /* ===========================================================================
* Send a stored block * Send a stored block
*/ */
void ZLIB_INTERNAL _tr_stored_block(s, buf, stored_len, last) void ZLIB_INTERNAL _tr_stored_block(deflate_state *s, charf *buf,
deflate_state *s; ulg stored_len, int last) {
charf *buf; /* input block */ send_bits(s, (STORED_BLOCK<<1) + last, 3); /* send block type */
ulg stored_len; /* length of input block */
int last; /* one if this is the last block for a file */
{
send_bits(s, (STORED_BLOCK<<1)+last, 3); /* send block type */
bi_windup(s); /* align on byte boundary */ bi_windup(s); /* align on byte boundary */
put_short(s, (ush)stored_len); put_short(s, (ush)stored_len);
put_short(s, (ush)~stored_len); put_short(s, (ush)~stored_len);
zmemcpy(s->pending_buf + s->pending, (Bytef *)buf, stored_len); if (stored_len)
zmemcpy(s->pending_buf + s->pending, (Bytef *)buf, stored_len);
s->pending += stored_len; s->pending += stored_len;
#ifdef ZLIB_DEBUG #ifdef ZLIB_DEBUG
s->compressed_len = (s->compressed_len + 3 + 7) & (ulg)~7L; s->compressed_len = (s->compressed_len + 3 + 7) & (ulg)~7L;
s->compressed_len += (stored_len + 4) << 3; s->compressed_len += (stored_len + 4) << 3;
s->bits_sent += 2*16; s->bits_sent += 2*16;
s->bits_sent += stored_len<<3; s->bits_sent += stored_len << 3;
#endif #endif
} }
/* =========================================================================== /* ===========================================================================
* Flush the bits in the bit buffer to pending output (leaves at most 7 bits) * Flush the bits in the bit buffer to pending output (leaves at most 7 bits)
*/ */
void ZLIB_INTERNAL _tr_flush_bits(s) void ZLIB_INTERNAL _tr_flush_bits(deflate_state *s) {
deflate_state *s;
{
bi_flush(s); bi_flush(s);
} }
@ -893,9 +883,7 @@ void ZLIB_INTERNAL _tr_flush_bits(s)
* Send one empty static block to give enough lookahead for inflate. * Send one empty static block to give enough lookahead for inflate.
* This takes 10 bits, of which 7 may remain in the bit buffer. * This takes 10 bits, of which 7 may remain in the bit buffer.
*/ */
void ZLIB_INTERNAL _tr_align(s) void ZLIB_INTERNAL _tr_align(deflate_state *s) {
deflate_state *s;
{
send_bits(s, STATIC_TREES<<1, 3); send_bits(s, STATIC_TREES<<1, 3);
send_code(s, END_BLOCK, static_ltree); send_code(s, END_BLOCK, static_ltree);
#ifdef ZLIB_DEBUG #ifdef ZLIB_DEBUG
@ -904,16 +892,108 @@ void ZLIB_INTERNAL _tr_align(s)
bi_flush(s); bi_flush(s);
} }
/* ===========================================================================
* Send the block data compressed using the given Huffman trees
*/
local void compress_block(deflate_state *s, const ct_data *ltree,
const ct_data *dtree) {
unsigned dist; /* distance of matched string */
int lc; /* match length or unmatched char (if dist == 0) */
unsigned sx = 0; /* running index in symbol buffers */
unsigned code; /* the code to send */
int extra; /* number of extra bits to send */
if (s->sym_next != 0) do {
#ifdef LIT_MEM
dist = s->d_buf[sx];
lc = s->l_buf[sx++];
#else
dist = s->sym_buf[sx++] & 0xff;
dist += (unsigned)(s->sym_buf[sx++] & 0xff) << 8;
lc = s->sym_buf[sx++];
#endif
if (dist == 0) {
send_code(s, lc, ltree); /* send a literal byte */
Tracecv(isgraph(lc), (stderr," '%c' ", lc));
} else {
/* Here, lc is the match length - MIN_MATCH */
code = _length_code[lc];
send_code(s, code + LITERALS + 1, ltree); /* send length code */
extra = extra_lbits[code];
if (extra != 0) {
lc -= base_length[code];
send_bits(s, lc, extra); /* send the extra length bits */
}
dist--; /* dist is now the match distance - 1 */
code = d_code(dist);
Assert (code < D_CODES, "bad d_code");
send_code(s, code, dtree); /* send the distance code */
extra = extra_dbits[code];
if (extra != 0) {
dist -= (unsigned)base_dist[code];
send_bits(s, dist, extra); /* send the extra distance bits */
}
} /* literal or match pair ? */
/* Check for no overlay of pending_buf on needed symbols */
#ifdef LIT_MEM
Assert(s->pending < 2 * (s->lit_bufsize + sx), "pendingBuf overflow");
#else
Assert(s->pending < s->lit_bufsize + sx, "pendingBuf overflow");
#endif
} while (sx < s->sym_next);
send_code(s, END_BLOCK, ltree);
}
/* ===========================================================================
* Check if the data type is TEXT or BINARY, using the following algorithm:
* - TEXT if the two conditions below are satisfied:
* a) There are no non-portable control characters belonging to the
* "block list" (0..6, 14..25, 28..31).
* b) There is at least one printable character belonging to the
* "allow list" (9 {TAB}, 10 {LF}, 13 {CR}, 32..255).
* - BINARY otherwise.
* - The following partially-portable control characters form a
* "gray list" that is ignored in this detection algorithm:
* (7 {BEL}, 8 {BS}, 11 {VT}, 12 {FF}, 26 {SUB}, 27 {ESC}).
* IN assertion: the fields Freq of dyn_ltree are set.
*/
local int detect_data_type(deflate_state *s) {
/* block_mask is the bit mask of block-listed bytes
* set bits 0..6, 14..25, and 28..31
* 0xf3ffc07f = binary 11110011111111111100000001111111
*/
unsigned long block_mask = 0xf3ffc07fUL;
int n;
/* Check for non-textual ("block-listed") bytes. */
for (n = 0; n <= 31; n++, block_mask >>= 1)
if ((block_mask & 1) && (s->dyn_ltree[n].Freq != 0))
return Z_BINARY;
/* Check for textual ("allow-listed") bytes. */
if (s->dyn_ltree[9].Freq != 0 || s->dyn_ltree[10].Freq != 0
|| s->dyn_ltree[13].Freq != 0)
return Z_TEXT;
for (n = 32; n < LITERALS; n++)
if (s->dyn_ltree[n].Freq != 0)
return Z_TEXT;
/* There are no "block-listed" or "allow-listed" bytes:
* this stream either is empty or has tolerated ("gray-listed") bytes only.
*/
return Z_BINARY;
}
/* =========================================================================== /* ===========================================================================
* Determine the best encoding for the current block: dynamic trees, static * Determine the best encoding for the current block: dynamic trees, static
* trees or store, and write out the encoded block. * trees or store, and write out the encoded block.
*/ */
void ZLIB_INTERNAL _tr_flush_block(s, buf, stored_len, last) void ZLIB_INTERNAL _tr_flush_block(deflate_state *s, charf *buf,
deflate_state *s; ulg stored_len, int last) {
charf *buf; /* input block, or NULL if too old */
ulg stored_len; /* length of input block */
int last; /* one if this is the last block for a file */
{
ulg opt_lenb, static_lenb; /* opt_len and static_len in bytes */ ulg opt_lenb, static_lenb; /* opt_len and static_len in bytes */
int max_blindex = 0; /* index of last bit length code of non zero freq */ int max_blindex = 0; /* index of last bit length code of non zero freq */
@ -942,14 +1022,17 @@ void ZLIB_INTERNAL _tr_flush_block(s, buf, stored_len, last)
max_blindex = build_bl_tree(s); max_blindex = build_bl_tree(s);
/* Determine the best encoding. Compute the block lengths in bytes. */ /* Determine the best encoding. Compute the block lengths in bytes. */
opt_lenb = (s->opt_len+3+7)>>3; opt_lenb = (s->opt_len + 3 + 7) >> 3;
static_lenb = (s->static_len+3+7)>>3; static_lenb = (s->static_len + 3 + 7) >> 3;
Tracev((stderr, "\nopt %lu(%lu) stat %lu(%lu) stored %lu lit %u ", Tracev((stderr, "\nopt %lu(%lu) stat %lu(%lu) stored %lu lit %u ",
opt_lenb, s->opt_len, static_lenb, s->static_len, stored_len, opt_lenb, s->opt_len, static_lenb, s->static_len, stored_len,
s->last_lit)); s->sym_next / 3));
if (static_lenb <= opt_lenb) opt_lenb = static_lenb; #ifndef FORCE_STATIC
if (static_lenb <= opt_lenb || s->strategy == Z_FIXED)
#endif
opt_lenb = static_lenb;
} else { } else {
Assert(buf != (char*)0, "lost buf"); Assert(buf != (char*)0, "lost buf");
@ -959,7 +1042,7 @@ void ZLIB_INTERNAL _tr_flush_block(s, buf, stored_len, last)
#ifdef FORCE_STORED #ifdef FORCE_STORED
if (buf != (char*)0) { /* force stored block */ if (buf != (char*)0) { /* force stored block */
#else #else
if (stored_len+4 <= opt_lenb && buf != (char*)0) { if (stored_len + 4 <= opt_lenb && buf != (char*)0) {
/* 4: two words for the lengths */ /* 4: two words for the lengths */
#endif #endif
/* The test buf != NULL is only necessary if LIT_BUFSIZE > WSIZE. /* The test buf != NULL is only necessary if LIT_BUFSIZE > WSIZE.
@ -970,21 +1053,17 @@ void ZLIB_INTERNAL _tr_flush_block(s, buf, stored_len, last)
*/ */
_tr_stored_block(s, buf, stored_len, last); _tr_stored_block(s, buf, stored_len, last);
#ifdef FORCE_STATIC } else if (static_lenb == opt_lenb) {
} else if (static_lenb >= 0) { /* force static trees */ send_bits(s, (STATIC_TREES<<1) + last, 3);
#else
} else if (s->strategy == Z_FIXED || static_lenb == opt_lenb) {
#endif
send_bits(s, (STATIC_TREES<<1)+last, 3);
compress_block(s, (const ct_data *)static_ltree, compress_block(s, (const ct_data *)static_ltree,
(const ct_data *)static_dtree); (const ct_data *)static_dtree);
#ifdef ZLIB_DEBUG #ifdef ZLIB_DEBUG
s->compressed_len += 3 + s->static_len; s->compressed_len += 3 + s->static_len;
#endif #endif
} else { } else {
send_bits(s, (DYN_TREES<<1)+last, 3); send_bits(s, (DYN_TREES<<1) + last, 3);
send_all_trees(s, s->l_desc.max_code+1, s->d_desc.max_code+1, send_all_trees(s, s->l_desc.max_code + 1, s->d_desc.max_code + 1,
max_blindex+1); max_blindex + 1);
compress_block(s, (const ct_data *)s->dyn_ltree, compress_block(s, (const ct_data *)s->dyn_ltree,
(const ct_data *)s->dyn_dtree); (const ct_data *)s->dyn_dtree);
#ifdef ZLIB_DEBUG #ifdef ZLIB_DEBUG
@ -1003,21 +1082,23 @@ void ZLIB_INTERNAL _tr_flush_block(s, buf, stored_len, last)
s->compressed_len += 7; /* align on byte boundary */ s->compressed_len += 7; /* align on byte boundary */
#endif #endif
} }
Tracev((stderr,"\ncomprlen %lu(%lu) ", s->compressed_len>>3, Tracev((stderr,"\ncomprlen %lu(%lu) ", s->compressed_len >> 3,
s->compressed_len-7*last)); s->compressed_len - 7*last));
} }
/* =========================================================================== /* ===========================================================================
* Save the match info and tally the frequency counts. Return true if * Save the match info and tally the frequency counts. Return true if
* the current block must be flushed. * the current block must be flushed.
*/ */
int ZLIB_INTERNAL _tr_tally (s, dist, lc) int ZLIB_INTERNAL _tr_tally(deflate_state *s, unsigned dist, unsigned lc) {
deflate_state *s; #ifdef LIT_MEM
unsigned dist; /* distance of matched string */ s->d_buf[s->sym_next] = (ush)dist;
unsigned lc; /* match length-MIN_MATCH or unmatched char (if dist==0) */ s->l_buf[s->sym_next++] = (uch)lc;
{ #else
s->d_buf[s->last_lit] = (ush)dist; s->sym_buf[s->sym_next++] = (uch)dist;
s->l_buf[s->last_lit++] = (uch)lc; s->sym_buf[s->sym_next++] = (uch)(dist >> 8);
s->sym_buf[s->sym_next++] = (uch)lc;
#endif
if (dist == 0) { if (dist == 0) {
/* lc is the unmatched char */ /* lc is the unmatched char */
s->dyn_ltree[lc].Freq++; s->dyn_ltree[lc].Freq++;
@ -1029,175 +1110,8 @@ int ZLIB_INTERNAL _tr_tally (s, dist, lc)
(ush)lc <= (ush)(MAX_MATCH-MIN_MATCH) && (ush)lc <= (ush)(MAX_MATCH-MIN_MATCH) &&
(ush)d_code(dist) < (ush)D_CODES, "_tr_tally: bad match"); (ush)d_code(dist) < (ush)D_CODES, "_tr_tally: bad match");
s->dyn_ltree[_length_code[lc]+LITERALS+1].Freq++; s->dyn_ltree[_length_code[lc] + LITERALS + 1].Freq++;
s->dyn_dtree[d_code(dist)].Freq++; s->dyn_dtree[d_code(dist)].Freq++;
} }
return (s->sym_next == s->sym_end);
#ifdef TRUNCATE_BLOCK
/* Try to guess if it is profitable to stop the current block here */
if ((s->last_lit & 0x1fff) == 0 && s->level > 2) {
/* Compute an upper bound for the compressed length */
ulg out_length = (ulg)s->last_lit*8L;
ulg in_length = (ulg)((long)s->strstart - s->block_start);
int dcode;
for (dcode = 0; dcode < D_CODES; dcode++) {
out_length += (ulg)s->dyn_dtree[dcode].Freq *
(5L+extra_dbits[dcode]);
}
out_length >>= 3;
Tracev((stderr,"\nlast_lit %u, in %ld, out ~%ld(%ld%%) ",
s->last_lit, in_length, out_length,
100L - out_length*100L/in_length));
if (s->matches < s->last_lit/2 && out_length < in_length/2) return 1;
}
#endif
return (s->last_lit == s->lit_bufsize-1);
/* We avoid equality with lit_bufsize because of wraparound at 64K
* on 16 bit machines and because stored blocks are restricted to
* 64K-1 bytes.
*/
}
/* ===========================================================================
* Send the block data compressed using the given Huffman trees
*/
local void compress_block(s, ltree, dtree)
deflate_state *s;
const ct_data *ltree; /* literal tree */
const ct_data *dtree; /* distance tree */
{
unsigned dist; /* distance of matched string */
int lc; /* match length or unmatched char (if dist == 0) */
unsigned lx = 0; /* running index in l_buf */
unsigned code; /* the code to send */
int extra; /* number of extra bits to send */
if (s->last_lit != 0) do {
dist = s->d_buf[lx];
lc = s->l_buf[lx++];
if (dist == 0) {
send_code(s, lc, ltree); /* send a literal byte */
Tracecv(isgraph(lc), (stderr," '%c' ", lc));
} else {
/* Here, lc is the match length - MIN_MATCH */
code = _length_code[lc];
send_code(s, code+LITERALS+1, ltree); /* send the length code */
extra = extra_lbits[code];
if (extra != 0) {
lc -= base_length[code];
send_bits(s, lc, extra); /* send the extra length bits */
}
dist--; /* dist is now the match distance - 1 */
code = d_code(dist);
Assert (code < D_CODES, "bad d_code");
send_code(s, code, dtree); /* send the distance code */
extra = extra_dbits[code];
if (extra != 0) {
dist -= (unsigned)base_dist[code];
send_bits(s, dist, extra); /* send the extra distance bits */
}
} /* literal or match pair ? */
/* Check that the overlay between pending_buf and d_buf+l_buf is ok: */
Assert((uInt)(s->pending) < s->lit_bufsize + 2*lx,
"pendingBuf overflow");
} while (lx < s->last_lit);
send_code(s, END_BLOCK, ltree);
}
/* ===========================================================================
* Check if the data type is TEXT or BINARY, using the following algorithm:
* - TEXT if the two conditions below are satisfied:
* a) There are no non-portable control characters belonging to the
* "black list" (0..6, 14..25, 28..31).
* b) There is at least one printable character belonging to the
* "white list" (9 {TAB}, 10 {LF}, 13 {CR}, 32..255).
* - BINARY otherwise.
* - The following partially-portable control characters form a
* "gray list" that is ignored in this detection algorithm:
* (7 {BEL}, 8 {BS}, 11 {VT}, 12 {FF}, 26 {SUB}, 27 {ESC}).
* IN assertion: the fields Freq of dyn_ltree are set.
*/
local int detect_data_type(s)
deflate_state *s;
{
/* black_mask is the bit mask of black-listed bytes
* set bits 0..6, 14..25, and 28..31
* 0xf3ffc07f = binary 11110011111111111100000001111111
*/
unsigned long black_mask = 0xf3ffc07fUL;
int n;
/* Check for non-textual ("black-listed") bytes. */
for (n = 0; n <= 31; n++, black_mask >>= 1)
if ((black_mask & 1) && (s->dyn_ltree[n].Freq != 0))
return Z_BINARY;
/* Check for textual ("white-listed") bytes. */
if (s->dyn_ltree[9].Freq != 0 || s->dyn_ltree[10].Freq != 0
|| s->dyn_ltree[13].Freq != 0)
return Z_TEXT;
for (n = 32; n < LITERALS; n++)
if (s->dyn_ltree[n].Freq != 0)
return Z_TEXT;
/* There are no "black-listed" or "white-listed" bytes:
* this stream either is empty or has tolerated ("gray-listed") bytes only.
*/
return Z_BINARY;
}
/* ===========================================================================
* Reverse the first len bits of a code, using straightforward code (a faster
* method would use a table)
* IN assertion: 1 <= len <= 15
*/
local unsigned bi_reverse(code, len)
unsigned code; /* the value to invert */
int len; /* its bit length */
{
register unsigned res = 0;
do {
res |= code & 1;
code >>= 1, res <<= 1;
} while (--len > 0);
return res >> 1;
}
/* ===========================================================================
* Flush the bit buffer, keeping at most 7 bits in it.
*/
local void bi_flush(s)
deflate_state *s;
{
if (s->bi_valid == 16) {
put_short(s, s->bi_buf);
s->bi_buf = 0;
s->bi_valid = 0;
} else if (s->bi_valid >= 8) {
put_byte(s, (Byte)s->bi_buf);
s->bi_buf >>= 8;
s->bi_valid -= 8;
}
}
/* ===========================================================================
* Flush the bit buffer and align the output on a byte boundary
*/
local void bi_windup(s)
deflate_state *s;
{
if (s->bi_valid > 8) {
put_short(s, s->bi_buf);
} else if (s->bi_valid > 0) {
put_byte(s, (Byte)s->bi_buf);
}
s->bi_buf = 0;
s->bi_valid = 0;
#ifdef ZLIB_DEBUG
s->bits_sent = (s->bits_sent+7) & ~7;
#endif
} }

View File

@ -24,12 +24,8 @@
Z_DATA_ERROR if the input data was corrupted, including if the input data is Z_DATA_ERROR if the input data was corrupted, including if the input data is
an incomplete zlib stream. an incomplete zlib stream.
*/ */
int ZEXPORT uncompress2 (dest, destLen, source, sourceLen) int ZEXPORT uncompress2(Bytef *dest, uLongf *destLen, const Bytef *source,
Bytef *dest; uLong *sourceLen) {
uLongf *destLen;
const Bytef *source;
uLong *sourceLen;
{
z_stream stream; z_stream stream;
int err; int err;
const uInt max = (uInt)-1; const uInt max = (uInt)-1;
@ -83,11 +79,7 @@ int ZEXPORT uncompress2 (dest, destLen, source, sourceLen)
err; err;
} }
int ZEXPORT uncompress (dest, destLen, source, sourceLen) int ZEXPORT uncompress(Bytef *dest, uLongf *destLen, const Bytef *source,
Bytef *dest; uLong sourceLen) {
uLongf *destLen;
const Bytef *source;
uLong sourceLen;
{
return uncompress2(dest, destLen, source, &sourceLen); return uncompress2(dest, destLen, source, &sourceLen);
} }

View File

@ -1,5 +1,5 @@
/* zconf.h -- configuration of the zlib compression library /* zconf.h -- configuration of the zlib compression library
* Copyright (C) 1995-2016 Jean-loup Gailly, Mark Adler * Copyright (C) 1995-2024 Jean-loup Gailly, Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h * For conditions of distribution and use, see copyright notice in zlib.h
*/ */
@ -38,6 +38,9 @@
# define crc32 z_crc32 # define crc32 z_crc32
# define crc32_combine z_crc32_combine # define crc32_combine z_crc32_combine
# define crc32_combine64 z_crc32_combine64 # define crc32_combine64 z_crc32_combine64
# define crc32_combine_gen z_crc32_combine_gen
# define crc32_combine_gen64 z_crc32_combine_gen64
# define crc32_combine_op z_crc32_combine_op
# define crc32_z z_crc32_z # define crc32_z z_crc32_z
# define deflate z_deflate # define deflate z_deflate
# define deflateBound z_deflateBound # define deflateBound z_deflateBound
@ -238,7 +241,11 @@
#endif #endif
#ifdef Z_SOLO #ifdef Z_SOLO
typedef unsigned long z_size_t; # ifdef _WIN64
typedef unsigned long long z_size_t;
# else
typedef unsigned long z_size_t;
# endif
#else #else
# define z_longlong long long # define z_longlong long long
# if defined(NO_SIZE_T) # if defined(NO_SIZE_T)
@ -293,14 +300,6 @@
# endif # endif
#endif #endif
#ifndef Z_ARG /* function prototypes for stdarg */
# if defined(STDC) || defined(Z_HAVE_STDARG_H)
# define Z_ARG(args) args
# else
# define Z_ARG(args) ()
# endif
#endif
/* The following definitions for FAR are needed only for MSDOS mixed /* The following definitions for FAR are needed only for MSDOS mixed
* model programming (small or medium model with some far allocations). * model programming (small or medium model with some far allocations).
* This was tested only with MSC; for other MSDOS compilers you may have * This was tested only with MSC; for other MSDOS compilers you may have
@ -349,6 +348,9 @@
# ifdef FAR # ifdef FAR
# undef FAR # undef FAR
# endif # endif
# ifndef WIN32_LEAN_AND_MEAN
# define WIN32_LEAN_AND_MEAN
# endif
# include <windows.h> # include <windows.h>
/* No need for _export, use ZLIB.DEF instead. */ /* No need for _export, use ZLIB.DEF instead. */
/* For complete Windows compatibility, use WINAPI, not __stdcall. */ /* For complete Windows compatibility, use WINAPI, not __stdcall. */
@ -467,11 +469,18 @@ typedef uLong FAR uLongf;
# undef _LARGEFILE64_SOURCE # undef _LARGEFILE64_SOURCE
#endif #endif
#if defined(__WATCOMC__) && !defined(Z_HAVE_UNISTD_H) #ifndef Z_HAVE_UNISTD_H
# define Z_HAVE_UNISTD_H # ifdef __WATCOMC__
# define Z_HAVE_UNISTD_H
# endif
#endif
#ifndef Z_HAVE_UNISTD_H
# if defined(_LARGEFILE64_SOURCE) && !defined(_WIN32)
# define Z_HAVE_UNISTD_H
# endif
#endif #endif
#ifndef Z_SOLO #ifndef Z_SOLO
# if defined(Z_HAVE_UNISTD_H) || defined(_LARGEFILE64_SOURCE) # if defined(Z_HAVE_UNISTD_H)
# include <unistd.h> /* for SEEK_*, off_t, and _LFS64_LARGEFILE */ # include <unistd.h> /* for SEEK_*, off_t, and _LFS64_LARGEFILE */
# ifdef VMS # ifdef VMS
# include <unixio.h> /* for off_t */ # include <unixio.h> /* for off_t */
@ -507,7 +516,7 @@ typedef uLong FAR uLongf;
#if !defined(_WIN32) && defined(Z_LARGE64) #if !defined(_WIN32) && defined(Z_LARGE64)
# define z_off64_t off64_t # define z_off64_t off64_t
#else #else
# if defined(_WIN32) && !defined(__GNUC__) && !defined(Z_SOLO) # if defined(_WIN32) && !defined(__GNUC__)
# define z_off64_t __int64 # define z_off64_t __int64
# else # else
# define z_off64_t z_off_t # define z_off64_t z_off_t

View File

@ -1,5 +1,5 @@
/* zconf.h -- configuration of the zlib compression library /* zconf.h -- configuration of the zlib compression library
* Copyright (C) 1995-2016 Jean-loup Gailly, Mark Adler * Copyright (C) 1995-2024 Jean-loup Gailly, Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h * For conditions of distribution and use, see copyright notice in zlib.h
*/ */
@ -38,6 +38,9 @@
# define crc32 z_crc32 # define crc32 z_crc32
# define crc32_combine z_crc32_combine # define crc32_combine z_crc32_combine
# define crc32_combine64 z_crc32_combine64 # define crc32_combine64 z_crc32_combine64
# define crc32_combine_gen z_crc32_combine_gen
# define crc32_combine_gen64 z_crc32_combine_gen64
# define crc32_combine_op z_crc32_combine_op
# define crc32_z z_crc32_z # define crc32_z z_crc32_z
# define deflate z_deflate # define deflate z_deflate
# define deflateBound z_deflateBound # define deflateBound z_deflateBound
@ -238,7 +241,11 @@
#endif #endif
#ifdef Z_SOLO #ifdef Z_SOLO
typedef unsigned long z_size_t; # ifdef _WIN64
typedef unsigned long long z_size_t;
# else
typedef unsigned long z_size_t;
# endif
#else #else
# define z_longlong long long # define z_longlong long long
# if defined(NO_SIZE_T) # if defined(NO_SIZE_T)
@ -293,14 +300,6 @@
# endif # endif
#endif #endif
#ifndef Z_ARG /* function prototypes for stdarg */
# if defined(STDC) || defined(Z_HAVE_STDARG_H)
# define Z_ARG(args) args
# else
# define Z_ARG(args) ()
# endif
#endif
/* The following definitions for FAR are needed only for MSDOS mixed /* The following definitions for FAR are needed only for MSDOS mixed
* model programming (small or medium model with some far allocations). * model programming (small or medium model with some far allocations).
* This was tested only with MSC; for other MSDOS compilers you may have * This was tested only with MSC; for other MSDOS compilers you may have
@ -349,6 +348,9 @@
# ifdef FAR # ifdef FAR
# undef FAR # undef FAR
# endif # endif
# ifndef WIN32_LEAN_AND_MEAN
# define WIN32_LEAN_AND_MEAN
# endif
# include <windows.h> # include <windows.h>
/* No need for _export, use ZLIB.DEF instead. */ /* No need for _export, use ZLIB.DEF instead. */
/* For complete Windows compatibility, use WINAPI, not __stdcall. */ /* For complete Windows compatibility, use WINAPI, not __stdcall. */
@ -467,11 +469,18 @@ typedef uLong FAR uLongf;
# undef _LARGEFILE64_SOURCE # undef _LARGEFILE64_SOURCE
#endif #endif
#if defined(__WATCOMC__) && !defined(Z_HAVE_UNISTD_H) #ifndef Z_HAVE_UNISTD_H
# define Z_HAVE_UNISTD_H # ifdef __WATCOMC__
# define Z_HAVE_UNISTD_H
# endif
#endif
#ifndef Z_HAVE_UNISTD_H
# if defined(_LARGEFILE64_SOURCE) && !defined(_WIN32)
# define Z_HAVE_UNISTD_H
# endif
#endif #endif
#ifndef Z_SOLO #ifndef Z_SOLO
# if defined(Z_HAVE_UNISTD_H) || defined(_LARGEFILE64_SOURCE) # if defined(Z_HAVE_UNISTD_H)
# include <unistd.h> /* for SEEK_*, off_t, and _LFS64_LARGEFILE */ # include <unistd.h> /* for SEEK_*, off_t, and _LFS64_LARGEFILE */
# ifdef VMS # ifdef VMS
# include <unixio.h> /* for off_t */ # include <unixio.h> /* for off_t */
@ -507,7 +516,7 @@ typedef uLong FAR uLongf;
#if !defined(_WIN32) && defined(Z_LARGE64) #if !defined(_WIN32) && defined(Z_LARGE64)
# define z_off64_t off64_t # define z_off64_t off64_t
#else #else
# if defined(_WIN32) && !defined(__GNUC__) && !defined(Z_SOLO) # if defined(_WIN32) && !defined(__GNUC__)
# define z_off64_t __int64 # define z_off64_t __int64
# else # else
# define z_off64_t z_off_t # define z_off64_t z_off_t

File diff suppressed because it is too large Load Diff

View File

@ -24,13 +24,11 @@ z_const char * const z_errmsg[10] = {
}; };
const char * ZEXPORT zlibVersion() const char * ZEXPORT zlibVersion(void) {
{
return ZLIB_VERSION; return ZLIB_VERSION;
} }
uLong ZEXPORT zlibCompileFlags() uLong ZEXPORT zlibCompileFlags(void) {
{
uLong flags; uLong flags;
flags = 0; flags = 0;
@ -61,9 +59,11 @@ uLong ZEXPORT zlibCompileFlags()
#ifdef ZLIB_DEBUG #ifdef ZLIB_DEBUG
flags += 1 << 8; flags += 1 << 8;
#endif #endif
/*
#if defined(ASMV) || defined(ASMINF) #if defined(ASMV) || defined(ASMINF)
flags += 1 << 9; flags += 1 << 9;
#endif #endif
*/
#ifdef ZLIB_WINAPI #ifdef ZLIB_WINAPI
flags += 1 << 10; flags += 1 << 10;
#endif #endif
@ -119,9 +119,7 @@ uLong ZEXPORT zlibCompileFlags()
# endif # endif
int ZLIB_INTERNAL z_verbose = verbose; int ZLIB_INTERNAL z_verbose = verbose;
void ZLIB_INTERNAL z_error (m) void ZLIB_INTERNAL z_error(char *m) {
char *m;
{
fprintf(stderr, "%s\n", m); fprintf(stderr, "%s\n", m);
exit(1); exit(1);
} }
@ -130,14 +128,12 @@ void ZLIB_INTERNAL z_error (m)
/* exported to allow conversion of error code to string for compress() and /* exported to allow conversion of error code to string for compress() and
* uncompress() * uncompress()
*/ */
const char * ZEXPORT zError(err) const char * ZEXPORT zError(int err) {
int err;
{
return ERR_MSG(err); return ERR_MSG(err);
} }
#if defined(_WIN32_WCE) #if defined(_WIN32_WCE) && _WIN32_WCE < 0x800
/* The Microsoft C Run-Time Library for Windows CE doesn't have /* The older Microsoft C Run-Time Library for Windows CE doesn't have
* errno. We define it as a global variable to simplify porting. * errno. We define it as a global variable to simplify porting.
* Its value is always 0 and should not be used. * Its value is always 0 and should not be used.
*/ */
@ -146,22 +142,14 @@ const char * ZEXPORT zError(err)
#ifndef HAVE_MEMCPY #ifndef HAVE_MEMCPY
void ZLIB_INTERNAL zmemcpy(dest, source, len) void ZLIB_INTERNAL zmemcpy(Bytef* dest, const Bytef* source, uInt len) {
Bytef* dest;
const Bytef* source;
uInt len;
{
if (len == 0) return; if (len == 0) return;
do { do {
*dest++ = *source++; /* ??? to be unrolled */ *dest++ = *source++; /* ??? to be unrolled */
} while (--len != 0); } while (--len != 0);
} }
int ZLIB_INTERNAL zmemcmp(s1, s2, len) int ZLIB_INTERNAL zmemcmp(const Bytef* s1, const Bytef* s2, uInt len) {
const Bytef* s1;
const Bytef* s2;
uInt len;
{
uInt j; uInt j;
for (j = 0; j < len; j++) { for (j = 0; j < len; j++) {
@ -170,10 +158,7 @@ int ZLIB_INTERNAL zmemcmp(s1, s2, len)
return 0; return 0;
} }
void ZLIB_INTERNAL zmemzero(dest, len) void ZLIB_INTERNAL zmemzero(Bytef* dest, uInt len) {
Bytef* dest;
uInt len;
{
if (len == 0) return; if (len == 0) return;
do { do {
*dest++ = 0; /* ??? to be unrolled */ *dest++ = 0; /* ??? to be unrolled */
@ -214,8 +199,7 @@ local ptr_table table[MAX_PTR];
* a protected system like OS/2. Use Microsoft C instead. * a protected system like OS/2. Use Microsoft C instead.
*/ */
voidpf ZLIB_INTERNAL zcalloc (voidpf opaque, unsigned items, unsigned size) voidpf ZLIB_INTERNAL zcalloc(voidpf opaque, unsigned items, unsigned size) {
{
voidpf buf; voidpf buf;
ulg bsize = (ulg)items*size; ulg bsize = (ulg)items*size;
@ -240,8 +224,7 @@ voidpf ZLIB_INTERNAL zcalloc (voidpf opaque, unsigned items, unsigned size)
return buf; return buf;
} }
void ZLIB_INTERNAL zcfree (voidpf opaque, voidpf ptr) void ZLIB_INTERNAL zcfree(voidpf opaque, voidpf ptr) {
{
int n; int n;
(void)opaque; (void)opaque;
@ -277,14 +260,12 @@ void ZLIB_INTERNAL zcfree (voidpf opaque, voidpf ptr)
# define _hfree hfree # define _hfree hfree
#endif #endif
voidpf ZLIB_INTERNAL zcalloc (voidpf opaque, uInt items, uInt size) voidpf ZLIB_INTERNAL zcalloc(voidpf opaque, uInt items, uInt size) {
{
(void)opaque; (void)opaque;
return _halloc((long)items, size); return _halloc((long)items, size);
} }
void ZLIB_INTERNAL zcfree (voidpf opaque, voidpf ptr) void ZLIB_INTERNAL zcfree(voidpf opaque, voidpf ptr) {
{
(void)opaque; (void)opaque;
_hfree(ptr); _hfree(ptr);
} }
@ -297,25 +278,18 @@ void ZLIB_INTERNAL zcfree (voidpf opaque, voidpf ptr)
#ifndef MY_ZCALLOC /* Any system without a special alloc function */ #ifndef MY_ZCALLOC /* Any system without a special alloc function */
#ifndef STDC #ifndef STDC
extern voidp malloc OF((uInt size)); extern voidp malloc(uInt size);
extern voidp calloc OF((uInt items, uInt size)); extern voidp calloc(uInt items, uInt size);
extern void free OF((voidpf ptr)); extern void free(voidpf ptr);
#endif #endif
voidpf ZLIB_INTERNAL zcalloc (opaque, items, size) voidpf ZLIB_INTERNAL zcalloc(voidpf opaque, unsigned items, unsigned size) {
voidpf opaque;
unsigned items;
unsigned size;
{
(void)opaque; (void)opaque;
return sizeof(uInt) > 2 ? (voidpf)malloc(items * size) : return sizeof(uInt) > 2 ? (voidpf)malloc(items * size) :
(voidpf)calloc(items, size); (voidpf)calloc(items, size);
} }
void ZLIB_INTERNAL zcfree (opaque, ptr) void ZLIB_INTERNAL zcfree(voidpf opaque, voidpf ptr) {
voidpf opaque;
voidpf ptr;
{
(void)opaque; (void)opaque;
free(ptr); free(ptr);
} }

View File

@ -1,5 +1,5 @@
/* zutil.h -- internal interface and configuration of the compression library /* zutil.h -- internal interface and configuration of the compression library
* Copyright (C) 1995-2016 Jean-loup Gailly, Mark Adler * Copyright (C) 1995-2024 Jean-loup Gailly, Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h * For conditions of distribution and use, see copyright notice in zlib.h
*/ */
@ -29,10 +29,6 @@
# include <stdlib.h> # include <stdlib.h>
#endif #endif
#ifdef Z_SOLO
typedef long ptrdiff_t; /* guess -- will be caught if guess is wrong */
#endif
#ifndef local #ifndef local
# define local static # define local static
#endif #endif
@ -46,10 +42,21 @@ typedef unsigned short ush;
typedef ush FAR ushf; typedef ush FAR ushf;
typedef unsigned long ulg; typedef unsigned long ulg;
#if !defined(Z_U8) && !defined(Z_SOLO) && defined(STDC)
# include <limits.h>
# if (ULONG_MAX == 0xffffffffffffffff)
# define Z_U8 unsigned long
# elif (ULLONG_MAX == 0xffffffffffffffff)
# define Z_U8 unsigned long long
# elif (UINT_MAX == 0xffffffffffffffff)
# define Z_U8 unsigned
# endif
#endif
extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
/* (size given to avoid silly warnings with Visual C++) */ /* (size given to avoid silly warnings with Visual C++) */
#define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)] #define ERR_MSG(err) z_errmsg[(err) < -6 || (err) > 2 ? 9 : 2 - (err)]
#define ERR_RETURN(strm,err) \ #define ERR_RETURN(strm,err) \
return (strm->msg = ERR_MSG(err), (err)) return (strm->msg = ERR_MSG(err), (err))
@ -130,17 +137,8 @@ extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
# endif # endif
#endif #endif
#if defined(MACOS) || defined(TARGET_OS_MAC) #if defined(MACOS)
# define OS_CODE 7 # define OS_CODE 7
# ifndef Z_SOLO
# if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
# include <unix.h> /* for fdopen */
# else
# ifndef fdopen
# define fdopen(fd,mode) NULL /* No fdopen() */
# endif
# endif
# endif
#endif #endif
#ifdef __acorn #ifdef __acorn
@ -163,22 +161,6 @@ extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
# define OS_CODE 19 # define OS_CODE 19
#endif #endif
#if defined(_BEOS_) || defined(RISCOS)
# define fdopen(fd,mode) NULL /* No fdopen() */
#endif
#if (defined(_MSC_VER) && (_MSC_VER > 600)) && !defined __INTERIX
# if defined(_WIN32_WCE)
# define fdopen(fd,mode) NULL /* No fdopen() */
# ifndef _PTRDIFF_T_DEFINED
typedef int ptrdiff_t;
# define _PTRDIFF_T_DEFINED
# endif
# else
# define fdopen(fd,type) _fdopen(fd,type)
# endif
#endif
#if defined(__BORLANDC__) && !defined(MSDOS) #if defined(__BORLANDC__) && !defined(MSDOS)
#pragma warn -8004 #pragma warn -8004
#pragma warn -8008 #pragma warn -8008
@ -188,8 +170,9 @@ extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
/* provide prototypes for these when building zlib without LFS */ /* provide prototypes for these when building zlib without LFS */
#if !defined(_WIN32) && \ #if !defined(_WIN32) && \
(!defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0) (!defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0)
ZEXTERN uLong ZEXPORT adler32_combine64 OF((uLong, uLong, z_off_t)); ZEXTERN uLong ZEXPORT adler32_combine64(uLong, uLong, z_off_t);
ZEXTERN uLong ZEXPORT crc32_combine64 OF((uLong, uLong, z_off_t)); ZEXTERN uLong ZEXPORT crc32_combine64(uLong, uLong, z_off_t);
ZEXTERN uLong ZEXPORT crc32_combine_gen64(z_off_t);
#endif #endif
/* common defaults */ /* common defaults */
@ -228,16 +211,16 @@ extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
# define zmemzero(dest, len) memset(dest, 0, len) # define zmemzero(dest, len) memset(dest, 0, len)
# endif # endif
#else #else
void ZLIB_INTERNAL zmemcpy OF((Bytef* dest, const Bytef* source, uInt len)); void ZLIB_INTERNAL zmemcpy(Bytef* dest, const Bytef* source, uInt len);
int ZLIB_INTERNAL zmemcmp OF((const Bytef* s1, const Bytef* s2, uInt len)); int ZLIB_INTERNAL zmemcmp(const Bytef* s1, const Bytef* s2, uInt len);
void ZLIB_INTERNAL zmemzero OF((Bytef* dest, uInt len)); void ZLIB_INTERNAL zmemzero(Bytef* dest, uInt len);
#endif #endif
/* Diagnostic functions */ /* Diagnostic functions */
#ifdef ZLIB_DEBUG #ifdef ZLIB_DEBUG
# include <stdio.h> # include <stdio.h>
extern int ZLIB_INTERNAL z_verbose; extern int ZLIB_INTERNAL z_verbose;
extern void ZLIB_INTERNAL z_error OF((char *m)); extern void ZLIB_INTERNAL z_error(char *m);
# define Assert(cond,msg) {if(!(cond)) z_error(msg);} # define Assert(cond,msg) {if(!(cond)) z_error(msg);}
# define Trace(x) {if (z_verbose>=0) fprintf x ;} # define Trace(x) {if (z_verbose>=0) fprintf x ;}
# define Tracev(x) {if (z_verbose>0) fprintf x ;} # define Tracev(x) {if (z_verbose>0) fprintf x ;}
@ -254,9 +237,9 @@ extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
#endif #endif
#ifndef Z_SOLO #ifndef Z_SOLO
voidpf ZLIB_INTERNAL zcalloc OF((voidpf opaque, unsigned items, voidpf ZLIB_INTERNAL zcalloc(voidpf opaque, unsigned items,
unsigned size)); unsigned size);
void ZLIB_INTERNAL zcfree OF((voidpf opaque, voidpf ptr)); void ZLIB_INTERNAL zcfree(voidpf opaque, voidpf ptr);
#endif #endif
#define ZALLOC(strm, items, size) \ #define ZALLOC(strm, items, size) \