2002-03-17 21:05:05 +00:00
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/* zutil.c -- target dependent utility functions for the compression library
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2010-06-08 01:37:58 +00:00
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* Copyright (C) 1995-2005, 2010 Jean-loup Gailly.
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update from zlib 1.1.4 to 1.2.3
ChangeLog file for zlib
Changes in 1.2.3 (18 July 2005)
- Apply security vulnerability fixes to contrib/infback9 as well
- Clean up some text files (carriage returns, trailing space)
- Update testzlib, vstudio, masmx64, and masmx86 in contrib [Vollant]
Changes in 1.2.2.4 (11 July 2005)
- Add inflatePrime() function for starting inflation at bit boundary
- Avoid some Visual C warnings in deflate.c
- Avoid more silly Visual C warnings in inflate.c and inftrees.c for 64-bit
compile
- Fix some spelling errors in comments [Betts]
- Correct inflateInit2() error return documentation in zlib.h
- Added zran.c example of compressed data random access to examples
directory, shows use of inflatePrime()
- Fix cast for assignments to strm->state in inflate.c and infback.c
- Fix zlibCompileFlags() in zutil.c to use 1L for long shifts [Oberhumer]
- Move declarations of gf2 functions to right place in crc32.c [Oberhumer]
- Add cast in trees.c t avoid a warning [Oberhumer]
- Avoid some warnings in fitblk.c, gun.c, gzjoin.c in examples [Oberhumer]
- Update make_vms.com [Zinser]
- Initialize state->write in inflateReset() since copied in inflate_fast()
- Be more strict on incomplete code sets in inflate_table() and increase
ENOUGH and MAXD -- this repairs a possible security vulnerability for
invalid inflate input. Thanks to Tavis Ormandy and Markus Oberhumer for
discovering the vulnerability and providing test cases.
- Add ia64 support to configure for HP-UX [Smith]
- Add error return to gzread() for format or i/o error [Levin]
- Use malloc.h for OS/2 [Necasek]
Changes in 1.2.2.3 (27 May 2005)
- Replace 1U constants in inflate.c and inftrees.c for 64-bit compile
- Typecast fread() return values in gzio.c [Vollant]
- Remove trailing space in minigzip.c outmode (VC++ can't deal with it)
- Fix crc check bug in gzread() after gzungetc() [Heiner]
- Add the deflateTune() function to adjust internal compression parameters
- Add a fast gzip decompressor, gun.c, to examples (use of inflateBack)
- Remove an incorrect assertion in examples/zpipe.c
- Add C++ wrapper in infback9.h [Donais]
- Fix bug in inflateCopy() when decoding fixed codes
- Note in zlib.h how much deflateSetDictionary() actually uses
- Remove USE_DICT_HEAD in deflate.c (would mess up inflate if used)
- Add _WIN32_WCE to define WIN32 in zconf.in.h [Spencer]
- Don't include stderr.h or errno.h for _WIN32_WCE in zutil.h [Spencer]
- Add gzdirect() function to indicate transparent reads
- Update contrib/minizip [Vollant]
- Fix compilation of deflate.c when both ASMV and FASTEST [Oberhumer]
- Add casts in crc32.c to avoid warnings [Oberhumer]
- Add contrib/masmx64 [Vollant]
- Update contrib/asm586, asm686, masmx86, testzlib, vstudio [Vollant]
Changes in 1.2.2.2 (30 December 2004)
- Replace structure assignments in deflate.c and inflate.c with zmemcpy to
avoid implicit memcpy calls (portability for no-library compilation)
- Increase sprintf() buffer size in gzdopen() to allow for large numbers
- Add INFLATE_STRICT to check distances against zlib header
- Improve WinCE errno handling and comments [Chang]
- Remove comment about no gzip header processing in FAQ
- Add Z_FIXED strategy option to deflateInit2() to force fixed trees
- Add updated make_vms.com [Coghlan], update README
- Create a new "examples" directory, move gzappend.c there, add zpipe.c,
fitblk.c, gzlog.[ch], gzjoin.c, and zlib_how.html.
- Add FAQ entry and comments in deflate.c on uninitialized memory access
- Add Solaris 9 make options in configure [Gilbert]
- Allow strerror() usage in gzio.c for STDC
- Fix DecompressBuf in contrib/delphi/ZLib.pas [ManChesTer]
- Update contrib/masmx86/inffas32.asm and gvmat32.asm [Vollant]
- Use z_off_t for adler32_combine() and crc32_combine() lengths
- Make adler32() much faster for small len
- Use OS_CODE in deflate() default gzip header
Changes in 1.2.2.1 (31 October 2004)
- Allow inflateSetDictionary() call for raw inflate
- Fix inflate header crc check bug for file names and comments
- Add deflateSetHeader() and gz_header structure for custom gzip headers
- Add inflateGetheader() to retrieve gzip headers
- Add crc32_combine() and adler32_combine() functions
- Add alloc_func, free_func, in_func, out_func to Z_PREFIX list
- Use zstreamp consistently in zlib.h (inflate_back functions)
- Remove GUNZIP condition from definition of inflate_mode in inflate.h
and in contrib/inflate86/inffast.S [Truta, Anderson]
- Add support for AMD64 in contrib/inflate86/inffas86.c [Anderson]
- Update projects/README.projects and projects/visualc6 [Truta]
- Update win32/DLL_FAQ.txt [Truta]
- Avoid warning under NO_GZCOMPRESS in gzio.c; fix typo [Truta]
- Deprecate Z_ASCII; use Z_TEXT instead [Truta]
- Use a new algorithm for setting strm->data_type in trees.c [Truta]
- Do not define an exit() prototype in zutil.c unless DEBUG defined
- Remove prototype of exit() from zutil.c, example.c, minigzip.c [Truta]
- Add comment in zlib.h for Z_NO_FLUSH parameter to deflate()
- Fix Darwin build version identification [Peterson]
Changes in 1.2.2 (3 October 2004)
- Update zlib.h comments on gzip in-memory processing
- Set adler to 1 in inflateReset() to support Java test suite [Walles]
- Add contrib/dotzlib [Ravn]
- Update win32/DLL_FAQ.txt [Truta]
- Update contrib/minizip [Vollant]
- Move contrib/visual-basic.txt to old/ [Truta]
- Fix assembler builds in projects/visualc6/ [Truta]
Changes in 1.2.1.2 (9 September 2004)
- Update INDEX file
- Fix trees.c to update strm->data_type (no one ever noticed!)
- Fix bug in error case in inflate.c, infback.c, and infback9.c [Brown]
- Add "volatile" to crc table flag declaration (for DYNAMIC_CRC_TABLE)
- Add limited multitasking protection to DYNAMIC_CRC_TABLE
- Add NO_vsnprintf for VMS in zutil.h [Mozilla]
- Don't declare strerror() under VMS [Mozilla]
- Add comment to DYNAMIC_CRC_TABLE to use get_crc_table() to initialize
- Update contrib/ada [Anisimkov]
- Update contrib/minizip [Vollant]
- Fix configure to not hardcode directories for Darwin [Peterson]
- Fix gzio.c to not return error on empty files [Brown]
- Fix indentation; update version in contrib/delphi/ZLib.pas and
contrib/pascal/zlibpas.pas [Truta]
- Update mkasm.bat in contrib/masmx86 [Truta]
- Update contrib/untgz [Truta]
- Add projects/README.projects [Truta]
- Add project for MS Visual C++ 6.0 in projects/visualc6 [Cadieux, Truta]
- Update win32/DLL_FAQ.txt [Truta]
- Update list of Z_PREFIX symbols in zconf.h [Randers-Pehrson, Truta]
- Remove an unnecessary assignment to curr in inftrees.c [Truta]
- Add OS/2 to exe builds in configure [Poltorak]
- Remove err dummy parameter in zlib.h [Kientzle]
Changes in 1.2.1.1 (9 January 2004)
- Update email address in README
- Several FAQ updates
- Fix a big fat bug in inftrees.c that prevented decoding valid
dynamic blocks with only literals and no distance codes --
Thanks to "Hot Emu" for the bug report and sample file
- Add a note to puff.c on no distance codes case.
Changes in 1.2.1 (17 November 2003)
- Remove a tab in contrib/gzappend/gzappend.c
- Update some interfaces in contrib for new zlib functions
- Update zlib version number in some contrib entries
- Add Windows CE definition for ptrdiff_t in zutil.h [Mai, Truta]
- Support shared libraries on Hurd and KFreeBSD [Brown]
- Fix error in NO_DIVIDE option of adler32.c
Changes in 1.2.0.8 (4 November 2003)
- Update version in contrib/delphi/ZLib.pas and contrib/pascal/zlibpas.pas
- Add experimental NO_DIVIDE #define in adler32.c
- Possibly faster on some processors (let me know if it is)
- Correct Z_BLOCK to not return on first inflate call if no wrap
- Fix strm->data_type on inflate() return to correctly indicate EOB
- Add deflatePrime() function for appending in the middle of a byte
- Add contrib/gzappend for an example of appending to a stream
- Update win32/DLL_FAQ.txt [Truta]
- Delete Turbo C comment in README [Truta]
- Improve some indentation in zconf.h [Truta]
- Fix infinite loop on bad input in configure script [Church]
- Fix gzeof() for concatenated gzip files [Johnson]
- Add example to contrib/visual-basic.txt [Michael B.]
- Add -p to mkdir's in Makefile.in [vda]
- Fix configure to properly detect presence or lack of printf functions
- Add AS400 support [Monnerat]
- Add a little Cygwin support [Wilson]
Changes in 1.2.0.7 (21 September 2003)
- Correct some debug formats in contrib/infback9
- Cast a type in a debug statement in trees.c
- Change search and replace delimiter in configure from % to # [Beebe]
- Update contrib/untgz to 0.2 with various fixes [Truta]
- Add build support for Amiga [Nikl]
- Remove some directories in old that have been updated to 1.2
- Add dylib building for Mac OS X in configure and Makefile.in
- Remove old distribution stuff from Makefile
- Update README to point to DLL_FAQ.txt, and add comment on Mac OS X
- Update links in README
Changes in 1.2.0.6 (13 September 2003)
- Minor FAQ updates
- Update contrib/minizip to 1.00 [Vollant]
- Remove test of gz functions in example.c when GZ_COMPRESS defined [Truta]
- Update POSTINC comment for 68060 [Nikl]
- Add contrib/infback9 with deflate64 decoding (unsupported)
- For MVS define NO_vsnprintf and undefine FAR [van Burik]
- Add pragma for fdopen on MVS [van Burik]
Changes in 1.2.0.5 (8 September 2003)
- Add OF to inflateBackEnd() declaration in zlib.h
- Remember start when using gzdopen in the middle of a file
- Use internal off_t counters in gz* functions to properly handle seeks
- Perform more rigorous check for distance-too-far in inffast.c
- Add Z_BLOCK flush option to return from inflate at block boundary
- Set strm->data_type on return from inflate
- Indicate bits unused, if at block boundary, and if in last block
- Replace size_t with ptrdiff_t in crc32.c, and check for correct size
- Add condition so old NO_DEFLATE define still works for compatibility
- FAQ update regarding the Windows DLL [Truta]
- INDEX update: add qnx entry, remove aix entry [Truta]
- Install zlib.3 into mandir [Wilson]
- Move contrib/zlib_dll_FAQ.txt to win32/DLL_FAQ.txt; update [Truta]
- Adapt the zlib interface to the new DLL convention guidelines [Truta]
- Introduce ZLIB_WINAPI macro to allow the export of functions using
the WINAPI calling convention, for Visual Basic [Vollant, Truta]
- Update msdos and win32 scripts and makefiles [Truta]
- Export symbols by name, not by ordinal, in win32/zlib.def [Truta]
- Add contrib/ada [Anisimkov]
- Move asm files from contrib/vstudio/vc70_32 to contrib/asm386 [Truta]
- Rename contrib/asm386 to contrib/masmx86 [Truta, Vollant]
- Add contrib/masm686 [Truta]
- Fix offsets in contrib/inflate86 and contrib/masmx86/inffas32.asm
[Truta, Vollant]
- Update contrib/delphi; rename to contrib/pascal; add example [Truta]
- Remove contrib/delphi2; add a new contrib/delphi [Truta]
- Avoid inclusion of the nonstandard <memory.h> in contrib/iostream,
and fix some method prototypes [Truta]
- Fix the ZCR_SEED2 constant to avoid warnings in contrib/minizip
[Truta]
- Avoid the use of backslash (\) in contrib/minizip [Vollant]
- Fix file time handling in contrib/untgz; update makefiles [Truta]
- Update contrib/vstudio/vc70_32 to comply with the new DLL guidelines
[Vollant]
- Remove contrib/vstudio/vc15_16 [Vollant]
- Rename contrib/vstudio/vc70_32 to contrib/vstudio/vc7 [Truta]
- Update README.contrib [Truta]
- Invert the assignment order of match_head and s->prev[...] in
INSERT_STRING [Truta]
- Compare TOO_FAR with 32767 instead of 32768, to avoid 16-bit warnings
[Truta]
- Compare function pointers with 0, not with NULL or Z_NULL [Truta]
- Fix prototype of syncsearch in inflate.c [Truta]
- Introduce ASMINF macro to be enabled when using an ASM implementation
of inflate_fast [Truta]
- Change NO_DEFLATE to NO_GZCOMPRESS [Truta]
- Modify test_gzio in example.c to take a single file name as a
parameter [Truta]
- Exit the example.c program if gzopen fails [Truta]
- Add type casts around strlen in example.c [Truta]
- Remove casting to sizeof in minigzip.c; give a proper type
to the variable compared with SUFFIX_LEN [Truta]
- Update definitions of STDC and STDC99 in zconf.h [Truta]
- Synchronize zconf.h with the new Windows DLL interface [Truta]
- Use SYS16BIT instead of __32BIT__ to distinguish between
16- and 32-bit platforms [Truta]
- Use far memory allocators in small 16-bit memory models for
Turbo C [Truta]
- Add info about the use of ASMV, ASMINF and ZLIB_WINAPI in
zlibCompileFlags [Truta]
- Cygwin has vsnprintf [Wilson]
- In Windows16, OS_CODE is 0, as in MSDOS [Truta]
- In Cygwin, OS_CODE is 3 (Unix), not 11 (Windows32) [Wilson]
Changes in 1.2.0.4 (10 August 2003)
- Minor FAQ updates
- Be more strict when checking inflateInit2's windowBits parameter
- Change NO_GUNZIP compile option to NO_GZIP to cover deflate as well
- Add gzip wrapper option to deflateInit2 using windowBits
- Add updated QNX rule in configure and qnx directory [Bonnefoy]
- Make inflate distance-too-far checks more rigorous
- Clean up FAR usage in inflate
- Add casting to sizeof() in gzio.c and minigzip.c
Changes in 1.2.0.3 (19 July 2003)
- Fix silly error in gzungetc() implementation [Vollant]
- Update contrib/minizip and contrib/vstudio [Vollant]
- Fix printf format in example.c
- Correct cdecl support in zconf.in.h [Anisimkov]
- Minor FAQ updates
Changes in 1.2.0.2 (13 July 2003)
- Add ZLIB_VERNUM in zlib.h for numerical preprocessor comparisons
- Attempt to avoid warnings in crc32.c for pointer-int conversion
- Add AIX to configure, remove aix directory [Bakker]
- Add some casts to minigzip.c
- Improve checking after insecure sprintf() or vsprintf() calls
- Remove #elif's from crc32.c
- Change leave label to inf_leave in inflate.c and infback.c to avoid
library conflicts
- Remove inflate gzip decoding by default--only enable gzip decoding by
special request for stricter backward compatibility
- Add zlibCompileFlags() function to return compilation information
- More typecasting in deflate.c to avoid warnings
- Remove leading underscore from _Capital #defines [Truta]
- Fix configure to link shared library when testing
- Add some Windows CE target adjustments [Mai]
- Remove #define ZLIB_DLL in zconf.h [Vollant]
- Add zlib.3 [Rodgers]
- Update RFC URL in deflate.c and algorithm.txt [Mai]
- Add zlib_dll_FAQ.txt to contrib [Truta]
- Add UL to some constants [Truta]
- Update minizip and vstudio [Vollant]
- Remove vestigial NEED_DUMMY_RETURN from zconf.in.h
- Expand use of NO_DUMMY_DECL to avoid all dummy structures
- Added iostream3 to contrib [Schwardt]
- Replace rewind() with fseek() for WinCE [Truta]
- Improve setting of zlib format compression level flags
- Report 0 for huffman and rle strategies and for level == 0 or 1
- Report 2 only for level == 6
- Only deal with 64K limit when necessary at compile time [Truta]
- Allow TOO_FAR check to be turned off at compile time [Truta]
- Add gzclearerr() function [Souza]
- Add gzungetc() function
Changes in 1.2.0.1 (17 March 2003)
- Add Z_RLE strategy for run-length encoding [Truta]
- When Z_RLE requested, restrict matches to distance one
- Update zlib.h, minigzip.c, gzopen(), gzdopen() for Z_RLE
- Correct FASTEST compilation to allow level == 0
- Clean up what gets compiled for FASTEST
- Incorporate changes to zconf.in.h [Vollant]
- Refine detection of Turbo C need for dummy returns
- Refine ZLIB_DLL compilation
- Include additional header file on VMS for off_t typedef
- Try to use _vsnprintf where it supplants vsprintf [Vollant]
- Add some casts in inffast.c
- Enchance comments in zlib.h on what happens if gzprintf() tries to
write more than 4095 bytes before compression
- Remove unused state from inflateBackEnd()
- Remove exit(0) from minigzip.c, example.c
- Get rid of all those darn tabs
- Add "check" target to Makefile.in that does the same thing as "test"
- Add "mostlyclean" and "maintainer-clean" targets to Makefile.in
- Update contrib/inflate86 [Anderson]
- Update contrib/testzlib, contrib/vstudio, contrib/minizip [Vollant]
- Add msdos and win32 directories with makefiles [Truta]
- More additions and improvements to the FAQ
Changes in 1.2.0 (9 March 2003)
- New and improved inflate code
- About 20% faster
- Does not allocate 32K window unless and until needed
- Automatically detects and decompresses gzip streams
- Raw inflate no longer needs an extra dummy byte at end
- Added inflateBack functions using a callback interface--even faster
than inflate, useful for file utilities (gzip, zip)
- Added inflateCopy() function to record state for random access on
externally generated deflate streams (e.g. in gzip files)
- More readable code (I hope)
- New and improved crc32()
- About 50% faster, thanks to suggestions from Rodney Brown
- Add deflateBound() and compressBound() functions
- Fix memory leak in deflateInit2()
- Permit setting dictionary for raw deflate (for parallel deflate)
- Fix const declaration for gzwrite()
- Check for some malloc() failures in gzio.c
- Fix bug in gzopen() on single-byte file 0x1f
- Fix bug in gzread() on concatenated file with 0x1f at end of buffer
and next buffer doesn't start with 0x8b
- Fix uncompress() to return Z_DATA_ERROR on truncated input
- Free memory at end of example.c
- Remove MAX #define in trees.c (conflicted with some libraries)
- Fix static const's in deflate.c, gzio.c, and zutil.[ch]
- Declare malloc() and free() in gzio.c if STDC not defined
- Use malloc() instead of calloc() in zutil.c if int big enough
- Define STDC for AIX
- Add aix/ with approach for compiling shared library on AIX
- Add HP-UX support for shared libraries in configure
- Add OpenUNIX support for shared libraries in configure
- Use $cc instead of gcc to build shared library
- Make prefix directory if needed when installing
- Correct Macintosh avoidance of typedef Byte in zconf.h
- Correct Turbo C memory allocation when under Linux
- Use libz.a instead of -lz in Makefile (assure use of compiled library)
- Update configure to check for snprintf or vsnprintf functions and their
return value, warn during make if using an insecure function
- Fix configure problem with compile-time knowledge of HAVE_UNISTD_H that
is lost when library is used--resolution is to build new zconf.h
- Documentation improvements (in zlib.h):
- Document raw deflate and inflate
- Update RFCs URL
- Point out that zlib and gzip formats are different
- Note that Z_BUF_ERROR is not fatal
- Document string limit for gzprintf() and possible buffer overflow
- Note requirement on avail_out when flushing
- Note permitted values of flush parameter of inflate()
- Add some FAQs (and even answers) to the FAQ
- Add contrib/inflate86/ for x86 faster inflate
- Add contrib/blast/ for PKWare Data Compression Library decompression
- Add contrib/puff/ simple inflate for deflate format description
svn path=/trunk/; revision=25342
2007-01-07 15:56:49 +00:00
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* For conditions of distribution and use, see copyright notice in zlib.h
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2002-03-17 21:05:05 +00:00
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*/
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2005-01-06 13:58:04 +00:00
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/* @(#) $Id$ */
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2002-03-17 21:05:05 +00:00
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#include "zutil.h"
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update from zlib 1.1.4 to 1.2.3
ChangeLog file for zlib
Changes in 1.2.3 (18 July 2005)
- Apply security vulnerability fixes to contrib/infback9 as well
- Clean up some text files (carriage returns, trailing space)
- Update testzlib, vstudio, masmx64, and masmx86 in contrib [Vollant]
Changes in 1.2.2.4 (11 July 2005)
- Add inflatePrime() function for starting inflation at bit boundary
- Avoid some Visual C warnings in deflate.c
- Avoid more silly Visual C warnings in inflate.c and inftrees.c for 64-bit
compile
- Fix some spelling errors in comments [Betts]
- Correct inflateInit2() error return documentation in zlib.h
- Added zran.c example of compressed data random access to examples
directory, shows use of inflatePrime()
- Fix cast for assignments to strm->state in inflate.c and infback.c
- Fix zlibCompileFlags() in zutil.c to use 1L for long shifts [Oberhumer]
- Move declarations of gf2 functions to right place in crc32.c [Oberhumer]
- Add cast in trees.c t avoid a warning [Oberhumer]
- Avoid some warnings in fitblk.c, gun.c, gzjoin.c in examples [Oberhumer]
- Update make_vms.com [Zinser]
- Initialize state->write in inflateReset() since copied in inflate_fast()
- Be more strict on incomplete code sets in inflate_table() and increase
ENOUGH and MAXD -- this repairs a possible security vulnerability for
invalid inflate input. Thanks to Tavis Ormandy and Markus Oberhumer for
discovering the vulnerability and providing test cases.
- Add ia64 support to configure for HP-UX [Smith]
- Add error return to gzread() for format or i/o error [Levin]
- Use malloc.h for OS/2 [Necasek]
Changes in 1.2.2.3 (27 May 2005)
- Replace 1U constants in inflate.c and inftrees.c for 64-bit compile
- Typecast fread() return values in gzio.c [Vollant]
- Remove trailing space in minigzip.c outmode (VC++ can't deal with it)
- Fix crc check bug in gzread() after gzungetc() [Heiner]
- Add the deflateTune() function to adjust internal compression parameters
- Add a fast gzip decompressor, gun.c, to examples (use of inflateBack)
- Remove an incorrect assertion in examples/zpipe.c
- Add C++ wrapper in infback9.h [Donais]
- Fix bug in inflateCopy() when decoding fixed codes
- Note in zlib.h how much deflateSetDictionary() actually uses
- Remove USE_DICT_HEAD in deflate.c (would mess up inflate if used)
- Add _WIN32_WCE to define WIN32 in zconf.in.h [Spencer]
- Don't include stderr.h or errno.h for _WIN32_WCE in zutil.h [Spencer]
- Add gzdirect() function to indicate transparent reads
- Update contrib/minizip [Vollant]
- Fix compilation of deflate.c when both ASMV and FASTEST [Oberhumer]
- Add casts in crc32.c to avoid warnings [Oberhumer]
- Add contrib/masmx64 [Vollant]
- Update contrib/asm586, asm686, masmx86, testzlib, vstudio [Vollant]
Changes in 1.2.2.2 (30 December 2004)
- Replace structure assignments in deflate.c and inflate.c with zmemcpy to
avoid implicit memcpy calls (portability for no-library compilation)
- Increase sprintf() buffer size in gzdopen() to allow for large numbers
- Add INFLATE_STRICT to check distances against zlib header
- Improve WinCE errno handling and comments [Chang]
- Remove comment about no gzip header processing in FAQ
- Add Z_FIXED strategy option to deflateInit2() to force fixed trees
- Add updated make_vms.com [Coghlan], update README
- Create a new "examples" directory, move gzappend.c there, add zpipe.c,
fitblk.c, gzlog.[ch], gzjoin.c, and zlib_how.html.
- Add FAQ entry and comments in deflate.c on uninitialized memory access
- Add Solaris 9 make options in configure [Gilbert]
- Allow strerror() usage in gzio.c for STDC
- Fix DecompressBuf in contrib/delphi/ZLib.pas [ManChesTer]
- Update contrib/masmx86/inffas32.asm and gvmat32.asm [Vollant]
- Use z_off_t for adler32_combine() and crc32_combine() lengths
- Make adler32() much faster for small len
- Use OS_CODE in deflate() default gzip header
Changes in 1.2.2.1 (31 October 2004)
- Allow inflateSetDictionary() call for raw inflate
- Fix inflate header crc check bug for file names and comments
- Add deflateSetHeader() and gz_header structure for custom gzip headers
- Add inflateGetheader() to retrieve gzip headers
- Add crc32_combine() and adler32_combine() functions
- Add alloc_func, free_func, in_func, out_func to Z_PREFIX list
- Use zstreamp consistently in zlib.h (inflate_back functions)
- Remove GUNZIP condition from definition of inflate_mode in inflate.h
and in contrib/inflate86/inffast.S [Truta, Anderson]
- Add support for AMD64 in contrib/inflate86/inffas86.c [Anderson]
- Update projects/README.projects and projects/visualc6 [Truta]
- Update win32/DLL_FAQ.txt [Truta]
- Avoid warning under NO_GZCOMPRESS in gzio.c; fix typo [Truta]
- Deprecate Z_ASCII; use Z_TEXT instead [Truta]
- Use a new algorithm for setting strm->data_type in trees.c [Truta]
- Do not define an exit() prototype in zutil.c unless DEBUG defined
- Remove prototype of exit() from zutil.c, example.c, minigzip.c [Truta]
- Add comment in zlib.h for Z_NO_FLUSH parameter to deflate()
- Fix Darwin build version identification [Peterson]
Changes in 1.2.2 (3 October 2004)
- Update zlib.h comments on gzip in-memory processing
- Set adler to 1 in inflateReset() to support Java test suite [Walles]
- Add contrib/dotzlib [Ravn]
- Update win32/DLL_FAQ.txt [Truta]
- Update contrib/minizip [Vollant]
- Move contrib/visual-basic.txt to old/ [Truta]
- Fix assembler builds in projects/visualc6/ [Truta]
Changes in 1.2.1.2 (9 September 2004)
- Update INDEX file
- Fix trees.c to update strm->data_type (no one ever noticed!)
- Fix bug in error case in inflate.c, infback.c, and infback9.c [Brown]
- Add "volatile" to crc table flag declaration (for DYNAMIC_CRC_TABLE)
- Add limited multitasking protection to DYNAMIC_CRC_TABLE
- Add NO_vsnprintf for VMS in zutil.h [Mozilla]
- Don't declare strerror() under VMS [Mozilla]
- Add comment to DYNAMIC_CRC_TABLE to use get_crc_table() to initialize
- Update contrib/ada [Anisimkov]
- Update contrib/minizip [Vollant]
- Fix configure to not hardcode directories for Darwin [Peterson]
- Fix gzio.c to not return error on empty files [Brown]
- Fix indentation; update version in contrib/delphi/ZLib.pas and
contrib/pascal/zlibpas.pas [Truta]
- Update mkasm.bat in contrib/masmx86 [Truta]
- Update contrib/untgz [Truta]
- Add projects/README.projects [Truta]
- Add project for MS Visual C++ 6.0 in projects/visualc6 [Cadieux, Truta]
- Update win32/DLL_FAQ.txt [Truta]
- Update list of Z_PREFIX symbols in zconf.h [Randers-Pehrson, Truta]
- Remove an unnecessary assignment to curr in inftrees.c [Truta]
- Add OS/2 to exe builds in configure [Poltorak]
- Remove err dummy parameter in zlib.h [Kientzle]
Changes in 1.2.1.1 (9 January 2004)
- Update email address in README
- Several FAQ updates
- Fix a big fat bug in inftrees.c that prevented decoding valid
dynamic blocks with only literals and no distance codes --
Thanks to "Hot Emu" for the bug report and sample file
- Add a note to puff.c on no distance codes case.
Changes in 1.2.1 (17 November 2003)
- Remove a tab in contrib/gzappend/gzappend.c
- Update some interfaces in contrib for new zlib functions
- Update zlib version number in some contrib entries
- Add Windows CE definition for ptrdiff_t in zutil.h [Mai, Truta]
- Support shared libraries on Hurd and KFreeBSD [Brown]
- Fix error in NO_DIVIDE option of adler32.c
Changes in 1.2.0.8 (4 November 2003)
- Update version in contrib/delphi/ZLib.pas and contrib/pascal/zlibpas.pas
- Add experimental NO_DIVIDE #define in adler32.c
- Possibly faster on some processors (let me know if it is)
- Correct Z_BLOCK to not return on first inflate call if no wrap
- Fix strm->data_type on inflate() return to correctly indicate EOB
- Add deflatePrime() function for appending in the middle of a byte
- Add contrib/gzappend for an example of appending to a stream
- Update win32/DLL_FAQ.txt [Truta]
- Delete Turbo C comment in README [Truta]
- Improve some indentation in zconf.h [Truta]
- Fix infinite loop on bad input in configure script [Church]
- Fix gzeof() for concatenated gzip files [Johnson]
- Add example to contrib/visual-basic.txt [Michael B.]
- Add -p to mkdir's in Makefile.in [vda]
- Fix configure to properly detect presence or lack of printf functions
- Add AS400 support [Monnerat]
- Add a little Cygwin support [Wilson]
Changes in 1.2.0.7 (21 September 2003)
- Correct some debug formats in contrib/infback9
- Cast a type in a debug statement in trees.c
- Change search and replace delimiter in configure from % to # [Beebe]
- Update contrib/untgz to 0.2 with various fixes [Truta]
- Add build support for Amiga [Nikl]
- Remove some directories in old that have been updated to 1.2
- Add dylib building for Mac OS X in configure and Makefile.in
- Remove old distribution stuff from Makefile
- Update README to point to DLL_FAQ.txt, and add comment on Mac OS X
- Update links in README
Changes in 1.2.0.6 (13 September 2003)
- Minor FAQ updates
- Update contrib/minizip to 1.00 [Vollant]
- Remove test of gz functions in example.c when GZ_COMPRESS defined [Truta]
- Update POSTINC comment for 68060 [Nikl]
- Add contrib/infback9 with deflate64 decoding (unsupported)
- For MVS define NO_vsnprintf and undefine FAR [van Burik]
- Add pragma for fdopen on MVS [van Burik]
Changes in 1.2.0.5 (8 September 2003)
- Add OF to inflateBackEnd() declaration in zlib.h
- Remember start when using gzdopen in the middle of a file
- Use internal off_t counters in gz* functions to properly handle seeks
- Perform more rigorous check for distance-too-far in inffast.c
- Add Z_BLOCK flush option to return from inflate at block boundary
- Set strm->data_type on return from inflate
- Indicate bits unused, if at block boundary, and if in last block
- Replace size_t with ptrdiff_t in crc32.c, and check for correct size
- Add condition so old NO_DEFLATE define still works for compatibility
- FAQ update regarding the Windows DLL [Truta]
- INDEX update: add qnx entry, remove aix entry [Truta]
- Install zlib.3 into mandir [Wilson]
- Move contrib/zlib_dll_FAQ.txt to win32/DLL_FAQ.txt; update [Truta]
- Adapt the zlib interface to the new DLL convention guidelines [Truta]
- Introduce ZLIB_WINAPI macro to allow the export of functions using
the WINAPI calling convention, for Visual Basic [Vollant, Truta]
- Update msdos and win32 scripts and makefiles [Truta]
- Export symbols by name, not by ordinal, in win32/zlib.def [Truta]
- Add contrib/ada [Anisimkov]
- Move asm files from contrib/vstudio/vc70_32 to contrib/asm386 [Truta]
- Rename contrib/asm386 to contrib/masmx86 [Truta, Vollant]
- Add contrib/masm686 [Truta]
- Fix offsets in contrib/inflate86 and contrib/masmx86/inffas32.asm
[Truta, Vollant]
- Update contrib/delphi; rename to contrib/pascal; add example [Truta]
- Remove contrib/delphi2; add a new contrib/delphi [Truta]
- Avoid inclusion of the nonstandard <memory.h> in contrib/iostream,
and fix some method prototypes [Truta]
- Fix the ZCR_SEED2 constant to avoid warnings in contrib/minizip
[Truta]
- Avoid the use of backslash (\) in contrib/minizip [Vollant]
- Fix file time handling in contrib/untgz; update makefiles [Truta]
- Update contrib/vstudio/vc70_32 to comply with the new DLL guidelines
[Vollant]
- Remove contrib/vstudio/vc15_16 [Vollant]
- Rename contrib/vstudio/vc70_32 to contrib/vstudio/vc7 [Truta]
- Update README.contrib [Truta]
- Invert the assignment order of match_head and s->prev[...] in
INSERT_STRING [Truta]
- Compare TOO_FAR with 32767 instead of 32768, to avoid 16-bit warnings
[Truta]
- Compare function pointers with 0, not with NULL or Z_NULL [Truta]
- Fix prototype of syncsearch in inflate.c [Truta]
- Introduce ASMINF macro to be enabled when using an ASM implementation
of inflate_fast [Truta]
- Change NO_DEFLATE to NO_GZCOMPRESS [Truta]
- Modify test_gzio in example.c to take a single file name as a
parameter [Truta]
- Exit the example.c program if gzopen fails [Truta]
- Add type casts around strlen in example.c [Truta]
- Remove casting to sizeof in minigzip.c; give a proper type
to the variable compared with SUFFIX_LEN [Truta]
- Update definitions of STDC and STDC99 in zconf.h [Truta]
- Synchronize zconf.h with the new Windows DLL interface [Truta]
- Use SYS16BIT instead of __32BIT__ to distinguish between
16- and 32-bit platforms [Truta]
- Use far memory allocators in small 16-bit memory models for
Turbo C [Truta]
- Add info about the use of ASMV, ASMINF and ZLIB_WINAPI in
zlibCompileFlags [Truta]
- Cygwin has vsnprintf [Wilson]
- In Windows16, OS_CODE is 0, as in MSDOS [Truta]
- In Cygwin, OS_CODE is 3 (Unix), not 11 (Windows32) [Wilson]
Changes in 1.2.0.4 (10 August 2003)
- Minor FAQ updates
- Be more strict when checking inflateInit2's windowBits parameter
- Change NO_GUNZIP compile option to NO_GZIP to cover deflate as well
- Add gzip wrapper option to deflateInit2 using windowBits
- Add updated QNX rule in configure and qnx directory [Bonnefoy]
- Make inflate distance-too-far checks more rigorous
- Clean up FAR usage in inflate
- Add casting to sizeof() in gzio.c and minigzip.c
Changes in 1.2.0.3 (19 July 2003)
- Fix silly error in gzungetc() implementation [Vollant]
- Update contrib/minizip and contrib/vstudio [Vollant]
- Fix printf format in example.c
- Correct cdecl support in zconf.in.h [Anisimkov]
- Minor FAQ updates
Changes in 1.2.0.2 (13 July 2003)
- Add ZLIB_VERNUM in zlib.h for numerical preprocessor comparisons
- Attempt to avoid warnings in crc32.c for pointer-int conversion
- Add AIX to configure, remove aix directory [Bakker]
- Add some casts to minigzip.c
- Improve checking after insecure sprintf() or vsprintf() calls
- Remove #elif's from crc32.c
- Change leave label to inf_leave in inflate.c and infback.c to avoid
library conflicts
- Remove inflate gzip decoding by default--only enable gzip decoding by
special request for stricter backward compatibility
- Add zlibCompileFlags() function to return compilation information
- More typecasting in deflate.c to avoid warnings
- Remove leading underscore from _Capital #defines [Truta]
- Fix configure to link shared library when testing
- Add some Windows CE target adjustments [Mai]
- Remove #define ZLIB_DLL in zconf.h [Vollant]
- Add zlib.3 [Rodgers]
- Update RFC URL in deflate.c and algorithm.txt [Mai]
- Add zlib_dll_FAQ.txt to contrib [Truta]
- Add UL to some constants [Truta]
- Update minizip and vstudio [Vollant]
- Remove vestigial NEED_DUMMY_RETURN from zconf.in.h
- Expand use of NO_DUMMY_DECL to avoid all dummy structures
- Added iostream3 to contrib [Schwardt]
- Replace rewind() with fseek() for WinCE [Truta]
- Improve setting of zlib format compression level flags
- Report 0 for huffman and rle strategies and for level == 0 or 1
- Report 2 only for level == 6
- Only deal with 64K limit when necessary at compile time [Truta]
- Allow TOO_FAR check to be turned off at compile time [Truta]
- Add gzclearerr() function [Souza]
- Add gzungetc() function
Changes in 1.2.0.1 (17 March 2003)
- Add Z_RLE strategy for run-length encoding [Truta]
- When Z_RLE requested, restrict matches to distance one
- Update zlib.h, minigzip.c, gzopen(), gzdopen() for Z_RLE
- Correct FASTEST compilation to allow level == 0
- Clean up what gets compiled for FASTEST
- Incorporate changes to zconf.in.h [Vollant]
- Refine detection of Turbo C need for dummy returns
- Refine ZLIB_DLL compilation
- Include additional header file on VMS for off_t typedef
- Try to use _vsnprintf where it supplants vsprintf [Vollant]
- Add some casts in inffast.c
- Enchance comments in zlib.h on what happens if gzprintf() tries to
write more than 4095 bytes before compression
- Remove unused state from inflateBackEnd()
- Remove exit(0) from minigzip.c, example.c
- Get rid of all those darn tabs
- Add "check" target to Makefile.in that does the same thing as "test"
- Add "mostlyclean" and "maintainer-clean" targets to Makefile.in
- Update contrib/inflate86 [Anderson]
- Update contrib/testzlib, contrib/vstudio, contrib/minizip [Vollant]
- Add msdos and win32 directories with makefiles [Truta]
- More additions and improvements to the FAQ
Changes in 1.2.0 (9 March 2003)
- New and improved inflate code
- About 20% faster
- Does not allocate 32K window unless and until needed
- Automatically detects and decompresses gzip streams
- Raw inflate no longer needs an extra dummy byte at end
- Added inflateBack functions using a callback interface--even faster
than inflate, useful for file utilities (gzip, zip)
- Added inflateCopy() function to record state for random access on
externally generated deflate streams (e.g. in gzip files)
- More readable code (I hope)
- New and improved crc32()
- About 50% faster, thanks to suggestions from Rodney Brown
- Add deflateBound() and compressBound() functions
- Fix memory leak in deflateInit2()
- Permit setting dictionary for raw deflate (for parallel deflate)
- Fix const declaration for gzwrite()
- Check for some malloc() failures in gzio.c
- Fix bug in gzopen() on single-byte file 0x1f
- Fix bug in gzread() on concatenated file with 0x1f at end of buffer
and next buffer doesn't start with 0x8b
- Fix uncompress() to return Z_DATA_ERROR on truncated input
- Free memory at end of example.c
- Remove MAX #define in trees.c (conflicted with some libraries)
- Fix static const's in deflate.c, gzio.c, and zutil.[ch]
- Declare malloc() and free() in gzio.c if STDC not defined
- Use malloc() instead of calloc() in zutil.c if int big enough
- Define STDC for AIX
- Add aix/ with approach for compiling shared library on AIX
- Add HP-UX support for shared libraries in configure
- Add OpenUNIX support for shared libraries in configure
- Use $cc instead of gcc to build shared library
- Make prefix directory if needed when installing
- Correct Macintosh avoidance of typedef Byte in zconf.h
- Correct Turbo C memory allocation when under Linux
- Use libz.a instead of -lz in Makefile (assure use of compiled library)
- Update configure to check for snprintf or vsnprintf functions and their
return value, warn during make if using an insecure function
- Fix configure problem with compile-time knowledge of HAVE_UNISTD_H that
is lost when library is used--resolution is to build new zconf.h
- Documentation improvements (in zlib.h):
- Document raw deflate and inflate
- Update RFCs URL
- Point out that zlib and gzip formats are different
- Note that Z_BUF_ERROR is not fatal
- Document string limit for gzprintf() and possible buffer overflow
- Note requirement on avail_out when flushing
- Note permitted values of flush parameter of inflate()
- Add some FAQs (and even answers) to the FAQ
- Add contrib/inflate86/ for x86 faster inflate
- Add contrib/blast/ for PKWare Data Compression Library decompression
- Add contrib/puff/ simple inflate for deflate format description
svn path=/trunk/; revision=25342
2007-01-07 15:56:49 +00:00
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#ifndef NO_DUMMY_DECL
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2002-03-17 21:05:05 +00:00
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struct internal_state {int dummy;}; /* for buggy compilers */
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#endif
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update from zlib 1.1.4 to 1.2.3
ChangeLog file for zlib
Changes in 1.2.3 (18 July 2005)
- Apply security vulnerability fixes to contrib/infback9 as well
- Clean up some text files (carriage returns, trailing space)
- Update testzlib, vstudio, masmx64, and masmx86 in contrib [Vollant]
Changes in 1.2.2.4 (11 July 2005)
- Add inflatePrime() function for starting inflation at bit boundary
- Avoid some Visual C warnings in deflate.c
- Avoid more silly Visual C warnings in inflate.c and inftrees.c for 64-bit
compile
- Fix some spelling errors in comments [Betts]
- Correct inflateInit2() error return documentation in zlib.h
- Added zran.c example of compressed data random access to examples
directory, shows use of inflatePrime()
- Fix cast for assignments to strm->state in inflate.c and infback.c
- Fix zlibCompileFlags() in zutil.c to use 1L for long shifts [Oberhumer]
- Move declarations of gf2 functions to right place in crc32.c [Oberhumer]
- Add cast in trees.c t avoid a warning [Oberhumer]
- Avoid some warnings in fitblk.c, gun.c, gzjoin.c in examples [Oberhumer]
- Update make_vms.com [Zinser]
- Initialize state->write in inflateReset() since copied in inflate_fast()
- Be more strict on incomplete code sets in inflate_table() and increase
ENOUGH and MAXD -- this repairs a possible security vulnerability for
invalid inflate input. Thanks to Tavis Ormandy and Markus Oberhumer for
discovering the vulnerability and providing test cases.
- Add ia64 support to configure for HP-UX [Smith]
- Add error return to gzread() for format or i/o error [Levin]
- Use malloc.h for OS/2 [Necasek]
Changes in 1.2.2.3 (27 May 2005)
- Replace 1U constants in inflate.c and inftrees.c for 64-bit compile
- Typecast fread() return values in gzio.c [Vollant]
- Remove trailing space in minigzip.c outmode (VC++ can't deal with it)
- Fix crc check bug in gzread() after gzungetc() [Heiner]
- Add the deflateTune() function to adjust internal compression parameters
- Add a fast gzip decompressor, gun.c, to examples (use of inflateBack)
- Remove an incorrect assertion in examples/zpipe.c
- Add C++ wrapper in infback9.h [Donais]
- Fix bug in inflateCopy() when decoding fixed codes
- Note in zlib.h how much deflateSetDictionary() actually uses
- Remove USE_DICT_HEAD in deflate.c (would mess up inflate if used)
- Add _WIN32_WCE to define WIN32 in zconf.in.h [Spencer]
- Don't include stderr.h or errno.h for _WIN32_WCE in zutil.h [Spencer]
- Add gzdirect() function to indicate transparent reads
- Update contrib/minizip [Vollant]
- Fix compilation of deflate.c when both ASMV and FASTEST [Oberhumer]
- Add casts in crc32.c to avoid warnings [Oberhumer]
- Add contrib/masmx64 [Vollant]
- Update contrib/asm586, asm686, masmx86, testzlib, vstudio [Vollant]
Changes in 1.2.2.2 (30 December 2004)
- Replace structure assignments in deflate.c and inflate.c with zmemcpy to
avoid implicit memcpy calls (portability for no-library compilation)
- Increase sprintf() buffer size in gzdopen() to allow for large numbers
- Add INFLATE_STRICT to check distances against zlib header
- Improve WinCE errno handling and comments [Chang]
- Remove comment about no gzip header processing in FAQ
- Add Z_FIXED strategy option to deflateInit2() to force fixed trees
- Add updated make_vms.com [Coghlan], update README
- Create a new "examples" directory, move gzappend.c there, add zpipe.c,
fitblk.c, gzlog.[ch], gzjoin.c, and zlib_how.html.
- Add FAQ entry and comments in deflate.c on uninitialized memory access
- Add Solaris 9 make options in configure [Gilbert]
- Allow strerror() usage in gzio.c for STDC
- Fix DecompressBuf in contrib/delphi/ZLib.pas [ManChesTer]
- Update contrib/masmx86/inffas32.asm and gvmat32.asm [Vollant]
- Use z_off_t for adler32_combine() and crc32_combine() lengths
- Make adler32() much faster for small len
- Use OS_CODE in deflate() default gzip header
Changes in 1.2.2.1 (31 October 2004)
- Allow inflateSetDictionary() call for raw inflate
- Fix inflate header crc check bug for file names and comments
- Add deflateSetHeader() and gz_header structure for custom gzip headers
- Add inflateGetheader() to retrieve gzip headers
- Add crc32_combine() and adler32_combine() functions
- Add alloc_func, free_func, in_func, out_func to Z_PREFIX list
- Use zstreamp consistently in zlib.h (inflate_back functions)
- Remove GUNZIP condition from definition of inflate_mode in inflate.h
and in contrib/inflate86/inffast.S [Truta, Anderson]
- Add support for AMD64 in contrib/inflate86/inffas86.c [Anderson]
- Update projects/README.projects and projects/visualc6 [Truta]
- Update win32/DLL_FAQ.txt [Truta]
- Avoid warning under NO_GZCOMPRESS in gzio.c; fix typo [Truta]
- Deprecate Z_ASCII; use Z_TEXT instead [Truta]
- Use a new algorithm for setting strm->data_type in trees.c [Truta]
- Do not define an exit() prototype in zutil.c unless DEBUG defined
- Remove prototype of exit() from zutil.c, example.c, minigzip.c [Truta]
- Add comment in zlib.h for Z_NO_FLUSH parameter to deflate()
- Fix Darwin build version identification [Peterson]
Changes in 1.2.2 (3 October 2004)
- Update zlib.h comments on gzip in-memory processing
- Set adler to 1 in inflateReset() to support Java test suite [Walles]
- Add contrib/dotzlib [Ravn]
- Update win32/DLL_FAQ.txt [Truta]
- Update contrib/minizip [Vollant]
- Move contrib/visual-basic.txt to old/ [Truta]
- Fix assembler builds in projects/visualc6/ [Truta]
Changes in 1.2.1.2 (9 September 2004)
- Update INDEX file
- Fix trees.c to update strm->data_type (no one ever noticed!)
- Fix bug in error case in inflate.c, infback.c, and infback9.c [Brown]
- Add "volatile" to crc table flag declaration (for DYNAMIC_CRC_TABLE)
- Add limited multitasking protection to DYNAMIC_CRC_TABLE
- Add NO_vsnprintf for VMS in zutil.h [Mozilla]
- Don't declare strerror() under VMS [Mozilla]
- Add comment to DYNAMIC_CRC_TABLE to use get_crc_table() to initialize
- Update contrib/ada [Anisimkov]
- Update contrib/minizip [Vollant]
- Fix configure to not hardcode directories for Darwin [Peterson]
- Fix gzio.c to not return error on empty files [Brown]
- Fix indentation; update version in contrib/delphi/ZLib.pas and
contrib/pascal/zlibpas.pas [Truta]
- Update mkasm.bat in contrib/masmx86 [Truta]
- Update contrib/untgz [Truta]
- Add projects/README.projects [Truta]
- Add project for MS Visual C++ 6.0 in projects/visualc6 [Cadieux, Truta]
- Update win32/DLL_FAQ.txt [Truta]
- Update list of Z_PREFIX symbols in zconf.h [Randers-Pehrson, Truta]
- Remove an unnecessary assignment to curr in inftrees.c [Truta]
- Add OS/2 to exe builds in configure [Poltorak]
- Remove err dummy parameter in zlib.h [Kientzle]
Changes in 1.2.1.1 (9 January 2004)
- Update email address in README
- Several FAQ updates
- Fix a big fat bug in inftrees.c that prevented decoding valid
dynamic blocks with only literals and no distance codes --
Thanks to "Hot Emu" for the bug report and sample file
- Add a note to puff.c on no distance codes case.
Changes in 1.2.1 (17 November 2003)
- Remove a tab in contrib/gzappend/gzappend.c
- Update some interfaces in contrib for new zlib functions
- Update zlib version number in some contrib entries
- Add Windows CE definition for ptrdiff_t in zutil.h [Mai, Truta]
- Support shared libraries on Hurd and KFreeBSD [Brown]
- Fix error in NO_DIVIDE option of adler32.c
Changes in 1.2.0.8 (4 November 2003)
- Update version in contrib/delphi/ZLib.pas and contrib/pascal/zlibpas.pas
- Add experimental NO_DIVIDE #define in adler32.c
- Possibly faster on some processors (let me know if it is)
- Correct Z_BLOCK to not return on first inflate call if no wrap
- Fix strm->data_type on inflate() return to correctly indicate EOB
- Add deflatePrime() function for appending in the middle of a byte
- Add contrib/gzappend for an example of appending to a stream
- Update win32/DLL_FAQ.txt [Truta]
- Delete Turbo C comment in README [Truta]
- Improve some indentation in zconf.h [Truta]
- Fix infinite loop on bad input in configure script [Church]
- Fix gzeof() for concatenated gzip files [Johnson]
- Add example to contrib/visual-basic.txt [Michael B.]
- Add -p to mkdir's in Makefile.in [vda]
- Fix configure to properly detect presence or lack of printf functions
- Add AS400 support [Monnerat]
- Add a little Cygwin support [Wilson]
Changes in 1.2.0.7 (21 September 2003)
- Correct some debug formats in contrib/infback9
- Cast a type in a debug statement in trees.c
- Change search and replace delimiter in configure from % to # [Beebe]
- Update contrib/untgz to 0.2 with various fixes [Truta]
- Add build support for Amiga [Nikl]
- Remove some directories in old that have been updated to 1.2
- Add dylib building for Mac OS X in configure and Makefile.in
- Remove old distribution stuff from Makefile
- Update README to point to DLL_FAQ.txt, and add comment on Mac OS X
- Update links in README
Changes in 1.2.0.6 (13 September 2003)
- Minor FAQ updates
- Update contrib/minizip to 1.00 [Vollant]
- Remove test of gz functions in example.c when GZ_COMPRESS defined [Truta]
- Update POSTINC comment for 68060 [Nikl]
- Add contrib/infback9 with deflate64 decoding (unsupported)
- For MVS define NO_vsnprintf and undefine FAR [van Burik]
- Add pragma for fdopen on MVS [van Burik]
Changes in 1.2.0.5 (8 September 2003)
- Add OF to inflateBackEnd() declaration in zlib.h
- Remember start when using gzdopen in the middle of a file
- Use internal off_t counters in gz* functions to properly handle seeks
- Perform more rigorous check for distance-too-far in inffast.c
- Add Z_BLOCK flush option to return from inflate at block boundary
- Set strm->data_type on return from inflate
- Indicate bits unused, if at block boundary, and if in last block
- Replace size_t with ptrdiff_t in crc32.c, and check for correct size
- Add condition so old NO_DEFLATE define still works for compatibility
- FAQ update regarding the Windows DLL [Truta]
- INDEX update: add qnx entry, remove aix entry [Truta]
- Install zlib.3 into mandir [Wilson]
- Move contrib/zlib_dll_FAQ.txt to win32/DLL_FAQ.txt; update [Truta]
- Adapt the zlib interface to the new DLL convention guidelines [Truta]
- Introduce ZLIB_WINAPI macro to allow the export of functions using
the WINAPI calling convention, for Visual Basic [Vollant, Truta]
- Update msdos and win32 scripts and makefiles [Truta]
- Export symbols by name, not by ordinal, in win32/zlib.def [Truta]
- Add contrib/ada [Anisimkov]
- Move asm files from contrib/vstudio/vc70_32 to contrib/asm386 [Truta]
- Rename contrib/asm386 to contrib/masmx86 [Truta, Vollant]
- Add contrib/masm686 [Truta]
- Fix offsets in contrib/inflate86 and contrib/masmx86/inffas32.asm
[Truta, Vollant]
- Update contrib/delphi; rename to contrib/pascal; add example [Truta]
- Remove contrib/delphi2; add a new contrib/delphi [Truta]
- Avoid inclusion of the nonstandard <memory.h> in contrib/iostream,
and fix some method prototypes [Truta]
- Fix the ZCR_SEED2 constant to avoid warnings in contrib/minizip
[Truta]
- Avoid the use of backslash (\) in contrib/minizip [Vollant]
- Fix file time handling in contrib/untgz; update makefiles [Truta]
- Update contrib/vstudio/vc70_32 to comply with the new DLL guidelines
[Vollant]
- Remove contrib/vstudio/vc15_16 [Vollant]
- Rename contrib/vstudio/vc70_32 to contrib/vstudio/vc7 [Truta]
- Update README.contrib [Truta]
- Invert the assignment order of match_head and s->prev[...] in
INSERT_STRING [Truta]
- Compare TOO_FAR with 32767 instead of 32768, to avoid 16-bit warnings
[Truta]
- Compare function pointers with 0, not with NULL or Z_NULL [Truta]
- Fix prototype of syncsearch in inflate.c [Truta]
- Introduce ASMINF macro to be enabled when using an ASM implementation
of inflate_fast [Truta]
- Change NO_DEFLATE to NO_GZCOMPRESS [Truta]
- Modify test_gzio in example.c to take a single file name as a
parameter [Truta]
- Exit the example.c program if gzopen fails [Truta]
- Add type casts around strlen in example.c [Truta]
- Remove casting to sizeof in minigzip.c; give a proper type
to the variable compared with SUFFIX_LEN [Truta]
- Update definitions of STDC and STDC99 in zconf.h [Truta]
- Synchronize zconf.h with the new Windows DLL interface [Truta]
- Use SYS16BIT instead of __32BIT__ to distinguish between
16- and 32-bit platforms [Truta]
- Use far memory allocators in small 16-bit memory models for
Turbo C [Truta]
- Add info about the use of ASMV, ASMINF and ZLIB_WINAPI in
zlibCompileFlags [Truta]
- Cygwin has vsnprintf [Wilson]
- In Windows16, OS_CODE is 0, as in MSDOS [Truta]
- In Cygwin, OS_CODE is 3 (Unix), not 11 (Windows32) [Wilson]
Changes in 1.2.0.4 (10 August 2003)
- Minor FAQ updates
- Be more strict when checking inflateInit2's windowBits parameter
- Change NO_GUNZIP compile option to NO_GZIP to cover deflate as well
- Add gzip wrapper option to deflateInit2 using windowBits
- Add updated QNX rule in configure and qnx directory [Bonnefoy]
- Make inflate distance-too-far checks more rigorous
- Clean up FAR usage in inflate
- Add casting to sizeof() in gzio.c and minigzip.c
Changes in 1.2.0.3 (19 July 2003)
- Fix silly error in gzungetc() implementation [Vollant]
- Update contrib/minizip and contrib/vstudio [Vollant]
- Fix printf format in example.c
- Correct cdecl support in zconf.in.h [Anisimkov]
- Minor FAQ updates
Changes in 1.2.0.2 (13 July 2003)
- Add ZLIB_VERNUM in zlib.h for numerical preprocessor comparisons
- Attempt to avoid warnings in crc32.c for pointer-int conversion
- Add AIX to configure, remove aix directory [Bakker]
- Add some casts to minigzip.c
- Improve checking after insecure sprintf() or vsprintf() calls
- Remove #elif's from crc32.c
- Change leave label to inf_leave in inflate.c and infback.c to avoid
library conflicts
- Remove inflate gzip decoding by default--only enable gzip decoding by
special request for stricter backward compatibility
- Add zlibCompileFlags() function to return compilation information
- More typecasting in deflate.c to avoid warnings
- Remove leading underscore from _Capital #defines [Truta]
- Fix configure to link shared library when testing
- Add some Windows CE target adjustments [Mai]
- Remove #define ZLIB_DLL in zconf.h [Vollant]
- Add zlib.3 [Rodgers]
- Update RFC URL in deflate.c and algorithm.txt [Mai]
- Add zlib_dll_FAQ.txt to contrib [Truta]
- Add UL to some constants [Truta]
- Update minizip and vstudio [Vollant]
- Remove vestigial NEED_DUMMY_RETURN from zconf.in.h
- Expand use of NO_DUMMY_DECL to avoid all dummy structures
- Added iostream3 to contrib [Schwardt]
- Replace rewind() with fseek() for WinCE [Truta]
- Improve setting of zlib format compression level flags
- Report 0 for huffman and rle strategies and for level == 0 or 1
- Report 2 only for level == 6
- Only deal with 64K limit when necessary at compile time [Truta]
- Allow TOO_FAR check to be turned off at compile time [Truta]
- Add gzclearerr() function [Souza]
- Add gzungetc() function
Changes in 1.2.0.1 (17 March 2003)
- Add Z_RLE strategy for run-length encoding [Truta]
- When Z_RLE requested, restrict matches to distance one
- Update zlib.h, minigzip.c, gzopen(), gzdopen() for Z_RLE
- Correct FASTEST compilation to allow level == 0
- Clean up what gets compiled for FASTEST
- Incorporate changes to zconf.in.h [Vollant]
- Refine detection of Turbo C need for dummy returns
- Refine ZLIB_DLL compilation
- Include additional header file on VMS for off_t typedef
- Try to use _vsnprintf where it supplants vsprintf [Vollant]
- Add some casts in inffast.c
- Enchance comments in zlib.h on what happens if gzprintf() tries to
write more than 4095 bytes before compression
- Remove unused state from inflateBackEnd()
- Remove exit(0) from minigzip.c, example.c
- Get rid of all those darn tabs
- Add "check" target to Makefile.in that does the same thing as "test"
- Add "mostlyclean" and "maintainer-clean" targets to Makefile.in
- Update contrib/inflate86 [Anderson]
- Update contrib/testzlib, contrib/vstudio, contrib/minizip [Vollant]
- Add msdos and win32 directories with makefiles [Truta]
- More additions and improvements to the FAQ
Changes in 1.2.0 (9 March 2003)
- New and improved inflate code
- About 20% faster
- Does not allocate 32K window unless and until needed
- Automatically detects and decompresses gzip streams
- Raw inflate no longer needs an extra dummy byte at end
- Added inflateBack functions using a callback interface--even faster
than inflate, useful for file utilities (gzip, zip)
- Added inflateCopy() function to record state for random access on
externally generated deflate streams (e.g. in gzip files)
- More readable code (I hope)
- New and improved crc32()
- About 50% faster, thanks to suggestions from Rodney Brown
- Add deflateBound() and compressBound() functions
- Fix memory leak in deflateInit2()
- Permit setting dictionary for raw deflate (for parallel deflate)
- Fix const declaration for gzwrite()
- Check for some malloc() failures in gzio.c
- Fix bug in gzopen() on single-byte file 0x1f
- Fix bug in gzread() on concatenated file with 0x1f at end of buffer
and next buffer doesn't start with 0x8b
- Fix uncompress() to return Z_DATA_ERROR on truncated input
- Free memory at end of example.c
- Remove MAX #define in trees.c (conflicted with some libraries)
- Fix static const's in deflate.c, gzio.c, and zutil.[ch]
- Declare malloc() and free() in gzio.c if STDC not defined
- Use malloc() instead of calloc() in zutil.c if int big enough
- Define STDC for AIX
- Add aix/ with approach for compiling shared library on AIX
- Add HP-UX support for shared libraries in configure
- Add OpenUNIX support for shared libraries in configure
- Use $cc instead of gcc to build shared library
- Make prefix directory if needed when installing
- Correct Macintosh avoidance of typedef Byte in zconf.h
- Correct Turbo C memory allocation when under Linux
- Use libz.a instead of -lz in Makefile (assure use of compiled library)
- Update configure to check for snprintf or vsnprintf functions and their
return value, warn during make if using an insecure function
- Fix configure problem with compile-time knowledge of HAVE_UNISTD_H that
is lost when library is used--resolution is to build new zconf.h
- Documentation improvements (in zlib.h):
- Document raw deflate and inflate
- Update RFCs URL
- Point out that zlib and gzip formats are different
- Note that Z_BUF_ERROR is not fatal
- Document string limit for gzprintf() and possible buffer overflow
- Note requirement on avail_out when flushing
- Note permitted values of flush parameter of inflate()
- Add some FAQs (and even answers) to the FAQ
- Add contrib/inflate86/ for x86 faster inflate
- Add contrib/blast/ for PKWare Data Compression Library decompression
- Add contrib/puff/ simple inflate for deflate format description
svn path=/trunk/; revision=25342
2007-01-07 15:56:49 +00:00
|
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const char * const z_errmsg[10] = {
|
2002-03-17 21:05:05 +00:00
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|
|
"need dictionary", /* Z_NEED_DICT 2 */
|
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"stream end", /* Z_STREAM_END 1 */
|
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"", /* Z_OK 0 */
|
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"file error", /* Z_ERRNO (-1) */
|
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"stream error", /* Z_STREAM_ERROR (-2) */
|
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"data error", /* Z_DATA_ERROR (-3) */
|
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|
"insufficient memory", /* Z_MEM_ERROR (-4) */
|
|
|
|
"buffer error", /* Z_BUF_ERROR (-5) */
|
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"incompatible version",/* Z_VERSION_ERROR (-6) */
|
|
|
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""};
|
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const char * ZEXPORT zlibVersion()
|
|
|
|
{
|
|
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return ZLIB_VERSION;
|
|
|
|
}
|
|
|
|
|
update from zlib 1.1.4 to 1.2.3
ChangeLog file for zlib
Changes in 1.2.3 (18 July 2005)
- Apply security vulnerability fixes to contrib/infback9 as well
- Clean up some text files (carriage returns, trailing space)
- Update testzlib, vstudio, masmx64, and masmx86 in contrib [Vollant]
Changes in 1.2.2.4 (11 July 2005)
- Add inflatePrime() function for starting inflation at bit boundary
- Avoid some Visual C warnings in deflate.c
- Avoid more silly Visual C warnings in inflate.c and inftrees.c for 64-bit
compile
- Fix some spelling errors in comments [Betts]
- Correct inflateInit2() error return documentation in zlib.h
- Added zran.c example of compressed data random access to examples
directory, shows use of inflatePrime()
- Fix cast for assignments to strm->state in inflate.c and infback.c
- Fix zlibCompileFlags() in zutil.c to use 1L for long shifts [Oberhumer]
- Move declarations of gf2 functions to right place in crc32.c [Oberhumer]
- Add cast in trees.c t avoid a warning [Oberhumer]
- Avoid some warnings in fitblk.c, gun.c, gzjoin.c in examples [Oberhumer]
- Update make_vms.com [Zinser]
- Initialize state->write in inflateReset() since copied in inflate_fast()
- Be more strict on incomplete code sets in inflate_table() and increase
ENOUGH and MAXD -- this repairs a possible security vulnerability for
invalid inflate input. Thanks to Tavis Ormandy and Markus Oberhumer for
discovering the vulnerability and providing test cases.
- Add ia64 support to configure for HP-UX [Smith]
- Add error return to gzread() for format or i/o error [Levin]
- Use malloc.h for OS/2 [Necasek]
Changes in 1.2.2.3 (27 May 2005)
- Replace 1U constants in inflate.c and inftrees.c for 64-bit compile
- Typecast fread() return values in gzio.c [Vollant]
- Remove trailing space in minigzip.c outmode (VC++ can't deal with it)
- Fix crc check bug in gzread() after gzungetc() [Heiner]
- Add the deflateTune() function to adjust internal compression parameters
- Add a fast gzip decompressor, gun.c, to examples (use of inflateBack)
- Remove an incorrect assertion in examples/zpipe.c
- Add C++ wrapper in infback9.h [Donais]
- Fix bug in inflateCopy() when decoding fixed codes
- Note in zlib.h how much deflateSetDictionary() actually uses
- Remove USE_DICT_HEAD in deflate.c (would mess up inflate if used)
- Add _WIN32_WCE to define WIN32 in zconf.in.h [Spencer]
- Don't include stderr.h or errno.h for _WIN32_WCE in zutil.h [Spencer]
- Add gzdirect() function to indicate transparent reads
- Update contrib/minizip [Vollant]
- Fix compilation of deflate.c when both ASMV and FASTEST [Oberhumer]
- Add casts in crc32.c to avoid warnings [Oberhumer]
- Add contrib/masmx64 [Vollant]
- Update contrib/asm586, asm686, masmx86, testzlib, vstudio [Vollant]
Changes in 1.2.2.2 (30 December 2004)
- Replace structure assignments in deflate.c and inflate.c with zmemcpy to
avoid implicit memcpy calls (portability for no-library compilation)
- Increase sprintf() buffer size in gzdopen() to allow for large numbers
- Add INFLATE_STRICT to check distances against zlib header
- Improve WinCE errno handling and comments [Chang]
- Remove comment about no gzip header processing in FAQ
- Add Z_FIXED strategy option to deflateInit2() to force fixed trees
- Add updated make_vms.com [Coghlan], update README
- Create a new "examples" directory, move gzappend.c there, add zpipe.c,
fitblk.c, gzlog.[ch], gzjoin.c, and zlib_how.html.
- Add FAQ entry and comments in deflate.c on uninitialized memory access
- Add Solaris 9 make options in configure [Gilbert]
- Allow strerror() usage in gzio.c for STDC
- Fix DecompressBuf in contrib/delphi/ZLib.pas [ManChesTer]
- Update contrib/masmx86/inffas32.asm and gvmat32.asm [Vollant]
- Use z_off_t for adler32_combine() and crc32_combine() lengths
- Make adler32() much faster for small len
- Use OS_CODE in deflate() default gzip header
Changes in 1.2.2.1 (31 October 2004)
- Allow inflateSetDictionary() call for raw inflate
- Fix inflate header crc check bug for file names and comments
- Add deflateSetHeader() and gz_header structure for custom gzip headers
- Add inflateGetheader() to retrieve gzip headers
- Add crc32_combine() and adler32_combine() functions
- Add alloc_func, free_func, in_func, out_func to Z_PREFIX list
- Use zstreamp consistently in zlib.h (inflate_back functions)
- Remove GUNZIP condition from definition of inflate_mode in inflate.h
and in contrib/inflate86/inffast.S [Truta, Anderson]
- Add support for AMD64 in contrib/inflate86/inffas86.c [Anderson]
- Update projects/README.projects and projects/visualc6 [Truta]
- Update win32/DLL_FAQ.txt [Truta]
- Avoid warning under NO_GZCOMPRESS in gzio.c; fix typo [Truta]
- Deprecate Z_ASCII; use Z_TEXT instead [Truta]
- Use a new algorithm for setting strm->data_type in trees.c [Truta]
- Do not define an exit() prototype in zutil.c unless DEBUG defined
- Remove prototype of exit() from zutil.c, example.c, minigzip.c [Truta]
- Add comment in zlib.h for Z_NO_FLUSH parameter to deflate()
- Fix Darwin build version identification [Peterson]
Changes in 1.2.2 (3 October 2004)
- Update zlib.h comments on gzip in-memory processing
- Set adler to 1 in inflateReset() to support Java test suite [Walles]
- Add contrib/dotzlib [Ravn]
- Update win32/DLL_FAQ.txt [Truta]
- Update contrib/minizip [Vollant]
- Move contrib/visual-basic.txt to old/ [Truta]
- Fix assembler builds in projects/visualc6/ [Truta]
Changes in 1.2.1.2 (9 September 2004)
- Update INDEX file
- Fix trees.c to update strm->data_type (no one ever noticed!)
- Fix bug in error case in inflate.c, infback.c, and infback9.c [Brown]
- Add "volatile" to crc table flag declaration (for DYNAMIC_CRC_TABLE)
- Add limited multitasking protection to DYNAMIC_CRC_TABLE
- Add NO_vsnprintf for VMS in zutil.h [Mozilla]
- Don't declare strerror() under VMS [Mozilla]
- Add comment to DYNAMIC_CRC_TABLE to use get_crc_table() to initialize
- Update contrib/ada [Anisimkov]
- Update contrib/minizip [Vollant]
- Fix configure to not hardcode directories for Darwin [Peterson]
- Fix gzio.c to not return error on empty files [Brown]
- Fix indentation; update version in contrib/delphi/ZLib.pas and
contrib/pascal/zlibpas.pas [Truta]
- Update mkasm.bat in contrib/masmx86 [Truta]
- Update contrib/untgz [Truta]
- Add projects/README.projects [Truta]
- Add project for MS Visual C++ 6.0 in projects/visualc6 [Cadieux, Truta]
- Update win32/DLL_FAQ.txt [Truta]
- Update list of Z_PREFIX symbols in zconf.h [Randers-Pehrson, Truta]
- Remove an unnecessary assignment to curr in inftrees.c [Truta]
- Add OS/2 to exe builds in configure [Poltorak]
- Remove err dummy parameter in zlib.h [Kientzle]
Changes in 1.2.1.1 (9 January 2004)
- Update email address in README
- Several FAQ updates
- Fix a big fat bug in inftrees.c that prevented decoding valid
dynamic blocks with only literals and no distance codes --
Thanks to "Hot Emu" for the bug report and sample file
- Add a note to puff.c on no distance codes case.
Changes in 1.2.1 (17 November 2003)
- Remove a tab in contrib/gzappend/gzappend.c
- Update some interfaces in contrib for new zlib functions
- Update zlib version number in some contrib entries
- Add Windows CE definition for ptrdiff_t in zutil.h [Mai, Truta]
- Support shared libraries on Hurd and KFreeBSD [Brown]
- Fix error in NO_DIVIDE option of adler32.c
Changes in 1.2.0.8 (4 November 2003)
- Update version in contrib/delphi/ZLib.pas and contrib/pascal/zlibpas.pas
- Add experimental NO_DIVIDE #define in adler32.c
- Possibly faster on some processors (let me know if it is)
- Correct Z_BLOCK to not return on first inflate call if no wrap
- Fix strm->data_type on inflate() return to correctly indicate EOB
- Add deflatePrime() function for appending in the middle of a byte
- Add contrib/gzappend for an example of appending to a stream
- Update win32/DLL_FAQ.txt [Truta]
- Delete Turbo C comment in README [Truta]
- Improve some indentation in zconf.h [Truta]
- Fix infinite loop on bad input in configure script [Church]
- Fix gzeof() for concatenated gzip files [Johnson]
- Add example to contrib/visual-basic.txt [Michael B.]
- Add -p to mkdir's in Makefile.in [vda]
- Fix configure to properly detect presence or lack of printf functions
- Add AS400 support [Monnerat]
- Add a little Cygwin support [Wilson]
Changes in 1.2.0.7 (21 September 2003)
- Correct some debug formats in contrib/infback9
- Cast a type in a debug statement in trees.c
- Change search and replace delimiter in configure from % to # [Beebe]
- Update contrib/untgz to 0.2 with various fixes [Truta]
- Add build support for Amiga [Nikl]
- Remove some directories in old that have been updated to 1.2
- Add dylib building for Mac OS X in configure and Makefile.in
- Remove old distribution stuff from Makefile
- Update README to point to DLL_FAQ.txt, and add comment on Mac OS X
- Update links in README
Changes in 1.2.0.6 (13 September 2003)
- Minor FAQ updates
- Update contrib/minizip to 1.00 [Vollant]
- Remove test of gz functions in example.c when GZ_COMPRESS defined [Truta]
- Update POSTINC comment for 68060 [Nikl]
- Add contrib/infback9 with deflate64 decoding (unsupported)
- For MVS define NO_vsnprintf and undefine FAR [van Burik]
- Add pragma for fdopen on MVS [van Burik]
Changes in 1.2.0.5 (8 September 2003)
- Add OF to inflateBackEnd() declaration in zlib.h
- Remember start when using gzdopen in the middle of a file
- Use internal off_t counters in gz* functions to properly handle seeks
- Perform more rigorous check for distance-too-far in inffast.c
- Add Z_BLOCK flush option to return from inflate at block boundary
- Set strm->data_type on return from inflate
- Indicate bits unused, if at block boundary, and if in last block
- Replace size_t with ptrdiff_t in crc32.c, and check for correct size
- Add condition so old NO_DEFLATE define still works for compatibility
- FAQ update regarding the Windows DLL [Truta]
- INDEX update: add qnx entry, remove aix entry [Truta]
- Install zlib.3 into mandir [Wilson]
- Move contrib/zlib_dll_FAQ.txt to win32/DLL_FAQ.txt; update [Truta]
- Adapt the zlib interface to the new DLL convention guidelines [Truta]
- Introduce ZLIB_WINAPI macro to allow the export of functions using
the WINAPI calling convention, for Visual Basic [Vollant, Truta]
- Update msdos and win32 scripts and makefiles [Truta]
- Export symbols by name, not by ordinal, in win32/zlib.def [Truta]
- Add contrib/ada [Anisimkov]
- Move asm files from contrib/vstudio/vc70_32 to contrib/asm386 [Truta]
- Rename contrib/asm386 to contrib/masmx86 [Truta, Vollant]
- Add contrib/masm686 [Truta]
- Fix offsets in contrib/inflate86 and contrib/masmx86/inffas32.asm
[Truta, Vollant]
- Update contrib/delphi; rename to contrib/pascal; add example [Truta]
- Remove contrib/delphi2; add a new contrib/delphi [Truta]
- Avoid inclusion of the nonstandard <memory.h> in contrib/iostream,
and fix some method prototypes [Truta]
- Fix the ZCR_SEED2 constant to avoid warnings in contrib/minizip
[Truta]
- Avoid the use of backslash (\) in contrib/minizip [Vollant]
- Fix file time handling in contrib/untgz; update makefiles [Truta]
- Update contrib/vstudio/vc70_32 to comply with the new DLL guidelines
[Vollant]
- Remove contrib/vstudio/vc15_16 [Vollant]
- Rename contrib/vstudio/vc70_32 to contrib/vstudio/vc7 [Truta]
- Update README.contrib [Truta]
- Invert the assignment order of match_head and s->prev[...] in
INSERT_STRING [Truta]
- Compare TOO_FAR with 32767 instead of 32768, to avoid 16-bit warnings
[Truta]
- Compare function pointers with 0, not with NULL or Z_NULL [Truta]
- Fix prototype of syncsearch in inflate.c [Truta]
- Introduce ASMINF macro to be enabled when using an ASM implementation
of inflate_fast [Truta]
- Change NO_DEFLATE to NO_GZCOMPRESS [Truta]
- Modify test_gzio in example.c to take a single file name as a
parameter [Truta]
- Exit the example.c program if gzopen fails [Truta]
- Add type casts around strlen in example.c [Truta]
- Remove casting to sizeof in minigzip.c; give a proper type
to the variable compared with SUFFIX_LEN [Truta]
- Update definitions of STDC and STDC99 in zconf.h [Truta]
- Synchronize zconf.h with the new Windows DLL interface [Truta]
- Use SYS16BIT instead of __32BIT__ to distinguish between
16- and 32-bit platforms [Truta]
- Use far memory allocators in small 16-bit memory models for
Turbo C [Truta]
- Add info about the use of ASMV, ASMINF and ZLIB_WINAPI in
zlibCompileFlags [Truta]
- Cygwin has vsnprintf [Wilson]
- In Windows16, OS_CODE is 0, as in MSDOS [Truta]
- In Cygwin, OS_CODE is 3 (Unix), not 11 (Windows32) [Wilson]
Changes in 1.2.0.4 (10 August 2003)
- Minor FAQ updates
- Be more strict when checking inflateInit2's windowBits parameter
- Change NO_GUNZIP compile option to NO_GZIP to cover deflate as well
- Add gzip wrapper option to deflateInit2 using windowBits
- Add updated QNX rule in configure and qnx directory [Bonnefoy]
- Make inflate distance-too-far checks more rigorous
- Clean up FAR usage in inflate
- Add casting to sizeof() in gzio.c and minigzip.c
Changes in 1.2.0.3 (19 July 2003)
- Fix silly error in gzungetc() implementation [Vollant]
- Update contrib/minizip and contrib/vstudio [Vollant]
- Fix printf format in example.c
- Correct cdecl support in zconf.in.h [Anisimkov]
- Minor FAQ updates
Changes in 1.2.0.2 (13 July 2003)
- Add ZLIB_VERNUM in zlib.h for numerical preprocessor comparisons
- Attempt to avoid warnings in crc32.c for pointer-int conversion
- Add AIX to configure, remove aix directory [Bakker]
- Add some casts to minigzip.c
- Improve checking after insecure sprintf() or vsprintf() calls
- Remove #elif's from crc32.c
- Change leave label to inf_leave in inflate.c and infback.c to avoid
library conflicts
- Remove inflate gzip decoding by default--only enable gzip decoding by
special request for stricter backward compatibility
- Add zlibCompileFlags() function to return compilation information
- More typecasting in deflate.c to avoid warnings
- Remove leading underscore from _Capital #defines [Truta]
- Fix configure to link shared library when testing
- Add some Windows CE target adjustments [Mai]
- Remove #define ZLIB_DLL in zconf.h [Vollant]
- Add zlib.3 [Rodgers]
- Update RFC URL in deflate.c and algorithm.txt [Mai]
- Add zlib_dll_FAQ.txt to contrib [Truta]
- Add UL to some constants [Truta]
- Update minizip and vstudio [Vollant]
- Remove vestigial NEED_DUMMY_RETURN from zconf.in.h
- Expand use of NO_DUMMY_DECL to avoid all dummy structures
- Added iostream3 to contrib [Schwardt]
- Replace rewind() with fseek() for WinCE [Truta]
- Improve setting of zlib format compression level flags
- Report 0 for huffman and rle strategies and for level == 0 or 1
- Report 2 only for level == 6
- Only deal with 64K limit when necessary at compile time [Truta]
- Allow TOO_FAR check to be turned off at compile time [Truta]
- Add gzclearerr() function [Souza]
- Add gzungetc() function
Changes in 1.2.0.1 (17 March 2003)
- Add Z_RLE strategy for run-length encoding [Truta]
- When Z_RLE requested, restrict matches to distance one
- Update zlib.h, minigzip.c, gzopen(), gzdopen() for Z_RLE
- Correct FASTEST compilation to allow level == 0
- Clean up what gets compiled for FASTEST
- Incorporate changes to zconf.in.h [Vollant]
- Refine detection of Turbo C need for dummy returns
- Refine ZLIB_DLL compilation
- Include additional header file on VMS for off_t typedef
- Try to use _vsnprintf where it supplants vsprintf [Vollant]
- Add some casts in inffast.c
- Enchance comments in zlib.h on what happens if gzprintf() tries to
write more than 4095 bytes before compression
- Remove unused state from inflateBackEnd()
- Remove exit(0) from minigzip.c, example.c
- Get rid of all those darn tabs
- Add "check" target to Makefile.in that does the same thing as "test"
- Add "mostlyclean" and "maintainer-clean" targets to Makefile.in
- Update contrib/inflate86 [Anderson]
- Update contrib/testzlib, contrib/vstudio, contrib/minizip [Vollant]
- Add msdos and win32 directories with makefiles [Truta]
- More additions and improvements to the FAQ
Changes in 1.2.0 (9 March 2003)
- New and improved inflate code
- About 20% faster
- Does not allocate 32K window unless and until needed
- Automatically detects and decompresses gzip streams
- Raw inflate no longer needs an extra dummy byte at end
- Added inflateBack functions using a callback interface--even faster
than inflate, useful for file utilities (gzip, zip)
- Added inflateCopy() function to record state for random access on
externally generated deflate streams (e.g. in gzip files)
- More readable code (I hope)
- New and improved crc32()
- About 50% faster, thanks to suggestions from Rodney Brown
- Add deflateBound() and compressBound() functions
- Fix memory leak in deflateInit2()
- Permit setting dictionary for raw deflate (for parallel deflate)
- Fix const declaration for gzwrite()
- Check for some malloc() failures in gzio.c
- Fix bug in gzopen() on single-byte file 0x1f
- Fix bug in gzread() on concatenated file with 0x1f at end of buffer
and next buffer doesn't start with 0x8b
- Fix uncompress() to return Z_DATA_ERROR on truncated input
- Free memory at end of example.c
- Remove MAX #define in trees.c (conflicted with some libraries)
- Fix static const's in deflate.c, gzio.c, and zutil.[ch]
- Declare malloc() and free() in gzio.c if STDC not defined
- Use malloc() instead of calloc() in zutil.c if int big enough
- Define STDC for AIX
- Add aix/ with approach for compiling shared library on AIX
- Add HP-UX support for shared libraries in configure
- Add OpenUNIX support for shared libraries in configure
- Use $cc instead of gcc to build shared library
- Make prefix directory if needed when installing
- Correct Macintosh avoidance of typedef Byte in zconf.h
- Correct Turbo C memory allocation when under Linux
- Use libz.a instead of -lz in Makefile (assure use of compiled library)
- Update configure to check for snprintf or vsnprintf functions and their
return value, warn during make if using an insecure function
- Fix configure problem with compile-time knowledge of HAVE_UNISTD_H that
is lost when library is used--resolution is to build new zconf.h
- Documentation improvements (in zlib.h):
- Document raw deflate and inflate
- Update RFCs URL
- Point out that zlib and gzip formats are different
- Note that Z_BUF_ERROR is not fatal
- Document string limit for gzprintf() and possible buffer overflow
- Note requirement on avail_out when flushing
- Note permitted values of flush parameter of inflate()
- Add some FAQs (and even answers) to the FAQ
- Add contrib/inflate86/ for x86 faster inflate
- Add contrib/blast/ for PKWare Data Compression Library decompression
- Add contrib/puff/ simple inflate for deflate format description
svn path=/trunk/; revision=25342
2007-01-07 15:56:49 +00:00
|
|
|
uLong ZEXPORT zlibCompileFlags()
|
|
|
|
{
|
|
|
|
uLong flags;
|
|
|
|
|
|
|
|
flags = 0;
|
2010-06-08 01:37:58 +00:00
|
|
|
switch ((int)(sizeof(uInt))) {
|
update from zlib 1.1.4 to 1.2.3
ChangeLog file for zlib
Changes in 1.2.3 (18 July 2005)
- Apply security vulnerability fixes to contrib/infback9 as well
- Clean up some text files (carriage returns, trailing space)
- Update testzlib, vstudio, masmx64, and masmx86 in contrib [Vollant]
Changes in 1.2.2.4 (11 July 2005)
- Add inflatePrime() function for starting inflation at bit boundary
- Avoid some Visual C warnings in deflate.c
- Avoid more silly Visual C warnings in inflate.c and inftrees.c for 64-bit
compile
- Fix some spelling errors in comments [Betts]
- Correct inflateInit2() error return documentation in zlib.h
- Added zran.c example of compressed data random access to examples
directory, shows use of inflatePrime()
- Fix cast for assignments to strm->state in inflate.c and infback.c
- Fix zlibCompileFlags() in zutil.c to use 1L for long shifts [Oberhumer]
- Move declarations of gf2 functions to right place in crc32.c [Oberhumer]
- Add cast in trees.c t avoid a warning [Oberhumer]
- Avoid some warnings in fitblk.c, gun.c, gzjoin.c in examples [Oberhumer]
- Update make_vms.com [Zinser]
- Initialize state->write in inflateReset() since copied in inflate_fast()
- Be more strict on incomplete code sets in inflate_table() and increase
ENOUGH and MAXD -- this repairs a possible security vulnerability for
invalid inflate input. Thanks to Tavis Ormandy and Markus Oberhumer for
discovering the vulnerability and providing test cases.
- Add ia64 support to configure for HP-UX [Smith]
- Add error return to gzread() for format or i/o error [Levin]
- Use malloc.h for OS/2 [Necasek]
Changes in 1.2.2.3 (27 May 2005)
- Replace 1U constants in inflate.c and inftrees.c for 64-bit compile
- Typecast fread() return values in gzio.c [Vollant]
- Remove trailing space in minigzip.c outmode (VC++ can't deal with it)
- Fix crc check bug in gzread() after gzungetc() [Heiner]
- Add the deflateTune() function to adjust internal compression parameters
- Add a fast gzip decompressor, gun.c, to examples (use of inflateBack)
- Remove an incorrect assertion in examples/zpipe.c
- Add C++ wrapper in infback9.h [Donais]
- Fix bug in inflateCopy() when decoding fixed codes
- Note in zlib.h how much deflateSetDictionary() actually uses
- Remove USE_DICT_HEAD in deflate.c (would mess up inflate if used)
- Add _WIN32_WCE to define WIN32 in zconf.in.h [Spencer]
- Don't include stderr.h or errno.h for _WIN32_WCE in zutil.h [Spencer]
- Add gzdirect() function to indicate transparent reads
- Update contrib/minizip [Vollant]
- Fix compilation of deflate.c when both ASMV and FASTEST [Oberhumer]
- Add casts in crc32.c to avoid warnings [Oberhumer]
- Add contrib/masmx64 [Vollant]
- Update contrib/asm586, asm686, masmx86, testzlib, vstudio [Vollant]
Changes in 1.2.2.2 (30 December 2004)
- Replace structure assignments in deflate.c and inflate.c with zmemcpy to
avoid implicit memcpy calls (portability for no-library compilation)
- Increase sprintf() buffer size in gzdopen() to allow for large numbers
- Add INFLATE_STRICT to check distances against zlib header
- Improve WinCE errno handling and comments [Chang]
- Remove comment about no gzip header processing in FAQ
- Add Z_FIXED strategy option to deflateInit2() to force fixed trees
- Add updated make_vms.com [Coghlan], update README
- Create a new "examples" directory, move gzappend.c there, add zpipe.c,
fitblk.c, gzlog.[ch], gzjoin.c, and zlib_how.html.
- Add FAQ entry and comments in deflate.c on uninitialized memory access
- Add Solaris 9 make options in configure [Gilbert]
- Allow strerror() usage in gzio.c for STDC
- Fix DecompressBuf in contrib/delphi/ZLib.pas [ManChesTer]
- Update contrib/masmx86/inffas32.asm and gvmat32.asm [Vollant]
- Use z_off_t for adler32_combine() and crc32_combine() lengths
- Make adler32() much faster for small len
- Use OS_CODE in deflate() default gzip header
Changes in 1.2.2.1 (31 October 2004)
- Allow inflateSetDictionary() call for raw inflate
- Fix inflate header crc check bug for file names and comments
- Add deflateSetHeader() and gz_header structure for custom gzip headers
- Add inflateGetheader() to retrieve gzip headers
- Add crc32_combine() and adler32_combine() functions
- Add alloc_func, free_func, in_func, out_func to Z_PREFIX list
- Use zstreamp consistently in zlib.h (inflate_back functions)
- Remove GUNZIP condition from definition of inflate_mode in inflate.h
and in contrib/inflate86/inffast.S [Truta, Anderson]
- Add support for AMD64 in contrib/inflate86/inffas86.c [Anderson]
- Update projects/README.projects and projects/visualc6 [Truta]
- Update win32/DLL_FAQ.txt [Truta]
- Avoid warning under NO_GZCOMPRESS in gzio.c; fix typo [Truta]
- Deprecate Z_ASCII; use Z_TEXT instead [Truta]
- Use a new algorithm for setting strm->data_type in trees.c [Truta]
- Do not define an exit() prototype in zutil.c unless DEBUG defined
- Remove prototype of exit() from zutil.c, example.c, minigzip.c [Truta]
- Add comment in zlib.h for Z_NO_FLUSH parameter to deflate()
- Fix Darwin build version identification [Peterson]
Changes in 1.2.2 (3 October 2004)
- Update zlib.h comments on gzip in-memory processing
- Set adler to 1 in inflateReset() to support Java test suite [Walles]
- Add contrib/dotzlib [Ravn]
- Update win32/DLL_FAQ.txt [Truta]
- Update contrib/minizip [Vollant]
- Move contrib/visual-basic.txt to old/ [Truta]
- Fix assembler builds in projects/visualc6/ [Truta]
Changes in 1.2.1.2 (9 September 2004)
- Update INDEX file
- Fix trees.c to update strm->data_type (no one ever noticed!)
- Fix bug in error case in inflate.c, infback.c, and infback9.c [Brown]
- Add "volatile" to crc table flag declaration (for DYNAMIC_CRC_TABLE)
- Add limited multitasking protection to DYNAMIC_CRC_TABLE
- Add NO_vsnprintf for VMS in zutil.h [Mozilla]
- Don't declare strerror() under VMS [Mozilla]
- Add comment to DYNAMIC_CRC_TABLE to use get_crc_table() to initialize
- Update contrib/ada [Anisimkov]
- Update contrib/minizip [Vollant]
- Fix configure to not hardcode directories for Darwin [Peterson]
- Fix gzio.c to not return error on empty files [Brown]
- Fix indentation; update version in contrib/delphi/ZLib.pas and
contrib/pascal/zlibpas.pas [Truta]
- Update mkasm.bat in contrib/masmx86 [Truta]
- Update contrib/untgz [Truta]
- Add projects/README.projects [Truta]
- Add project for MS Visual C++ 6.0 in projects/visualc6 [Cadieux, Truta]
- Update win32/DLL_FAQ.txt [Truta]
- Update list of Z_PREFIX symbols in zconf.h [Randers-Pehrson, Truta]
- Remove an unnecessary assignment to curr in inftrees.c [Truta]
- Add OS/2 to exe builds in configure [Poltorak]
- Remove err dummy parameter in zlib.h [Kientzle]
Changes in 1.2.1.1 (9 January 2004)
- Update email address in README
- Several FAQ updates
- Fix a big fat bug in inftrees.c that prevented decoding valid
dynamic blocks with only literals and no distance codes --
Thanks to "Hot Emu" for the bug report and sample file
- Add a note to puff.c on no distance codes case.
Changes in 1.2.1 (17 November 2003)
- Remove a tab in contrib/gzappend/gzappend.c
- Update some interfaces in contrib for new zlib functions
- Update zlib version number in some contrib entries
- Add Windows CE definition for ptrdiff_t in zutil.h [Mai, Truta]
- Support shared libraries on Hurd and KFreeBSD [Brown]
- Fix error in NO_DIVIDE option of adler32.c
Changes in 1.2.0.8 (4 November 2003)
- Update version in contrib/delphi/ZLib.pas and contrib/pascal/zlibpas.pas
- Add experimental NO_DIVIDE #define in adler32.c
- Possibly faster on some processors (let me know if it is)
- Correct Z_BLOCK to not return on first inflate call if no wrap
- Fix strm->data_type on inflate() return to correctly indicate EOB
- Add deflatePrime() function for appending in the middle of a byte
- Add contrib/gzappend for an example of appending to a stream
- Update win32/DLL_FAQ.txt [Truta]
- Delete Turbo C comment in README [Truta]
- Improve some indentation in zconf.h [Truta]
- Fix infinite loop on bad input in configure script [Church]
- Fix gzeof() for concatenated gzip files [Johnson]
- Add example to contrib/visual-basic.txt [Michael B.]
- Add -p to mkdir's in Makefile.in [vda]
- Fix configure to properly detect presence or lack of printf functions
- Add AS400 support [Monnerat]
- Add a little Cygwin support [Wilson]
Changes in 1.2.0.7 (21 September 2003)
- Correct some debug formats in contrib/infback9
- Cast a type in a debug statement in trees.c
- Change search and replace delimiter in configure from % to # [Beebe]
- Update contrib/untgz to 0.2 with various fixes [Truta]
- Add build support for Amiga [Nikl]
- Remove some directories in old that have been updated to 1.2
- Add dylib building for Mac OS X in configure and Makefile.in
- Remove old distribution stuff from Makefile
- Update README to point to DLL_FAQ.txt, and add comment on Mac OS X
- Update links in README
Changes in 1.2.0.6 (13 September 2003)
- Minor FAQ updates
- Update contrib/minizip to 1.00 [Vollant]
- Remove test of gz functions in example.c when GZ_COMPRESS defined [Truta]
- Update POSTINC comment for 68060 [Nikl]
- Add contrib/infback9 with deflate64 decoding (unsupported)
- For MVS define NO_vsnprintf and undefine FAR [van Burik]
- Add pragma for fdopen on MVS [van Burik]
Changes in 1.2.0.5 (8 September 2003)
- Add OF to inflateBackEnd() declaration in zlib.h
- Remember start when using gzdopen in the middle of a file
- Use internal off_t counters in gz* functions to properly handle seeks
- Perform more rigorous check for distance-too-far in inffast.c
- Add Z_BLOCK flush option to return from inflate at block boundary
- Set strm->data_type on return from inflate
- Indicate bits unused, if at block boundary, and if in last block
- Replace size_t with ptrdiff_t in crc32.c, and check for correct size
- Add condition so old NO_DEFLATE define still works for compatibility
- FAQ update regarding the Windows DLL [Truta]
- INDEX update: add qnx entry, remove aix entry [Truta]
- Install zlib.3 into mandir [Wilson]
- Move contrib/zlib_dll_FAQ.txt to win32/DLL_FAQ.txt; update [Truta]
- Adapt the zlib interface to the new DLL convention guidelines [Truta]
- Introduce ZLIB_WINAPI macro to allow the export of functions using
the WINAPI calling convention, for Visual Basic [Vollant, Truta]
- Update msdos and win32 scripts and makefiles [Truta]
- Export symbols by name, not by ordinal, in win32/zlib.def [Truta]
- Add contrib/ada [Anisimkov]
- Move asm files from contrib/vstudio/vc70_32 to contrib/asm386 [Truta]
- Rename contrib/asm386 to contrib/masmx86 [Truta, Vollant]
- Add contrib/masm686 [Truta]
- Fix offsets in contrib/inflate86 and contrib/masmx86/inffas32.asm
[Truta, Vollant]
- Update contrib/delphi; rename to contrib/pascal; add example [Truta]
- Remove contrib/delphi2; add a new contrib/delphi [Truta]
- Avoid inclusion of the nonstandard <memory.h> in contrib/iostream,
and fix some method prototypes [Truta]
- Fix the ZCR_SEED2 constant to avoid warnings in contrib/minizip
[Truta]
- Avoid the use of backslash (\) in contrib/minizip [Vollant]
- Fix file time handling in contrib/untgz; update makefiles [Truta]
- Update contrib/vstudio/vc70_32 to comply with the new DLL guidelines
[Vollant]
- Remove contrib/vstudio/vc15_16 [Vollant]
- Rename contrib/vstudio/vc70_32 to contrib/vstudio/vc7 [Truta]
- Update README.contrib [Truta]
- Invert the assignment order of match_head and s->prev[...] in
INSERT_STRING [Truta]
- Compare TOO_FAR with 32767 instead of 32768, to avoid 16-bit warnings
[Truta]
- Compare function pointers with 0, not with NULL or Z_NULL [Truta]
- Fix prototype of syncsearch in inflate.c [Truta]
- Introduce ASMINF macro to be enabled when using an ASM implementation
of inflate_fast [Truta]
- Change NO_DEFLATE to NO_GZCOMPRESS [Truta]
- Modify test_gzio in example.c to take a single file name as a
parameter [Truta]
- Exit the example.c program if gzopen fails [Truta]
- Add type casts around strlen in example.c [Truta]
- Remove casting to sizeof in minigzip.c; give a proper type
to the variable compared with SUFFIX_LEN [Truta]
- Update definitions of STDC and STDC99 in zconf.h [Truta]
- Synchronize zconf.h with the new Windows DLL interface [Truta]
- Use SYS16BIT instead of __32BIT__ to distinguish between
16- and 32-bit platforms [Truta]
- Use far memory allocators in small 16-bit memory models for
Turbo C [Truta]
- Add info about the use of ASMV, ASMINF and ZLIB_WINAPI in
zlibCompileFlags [Truta]
- Cygwin has vsnprintf [Wilson]
- In Windows16, OS_CODE is 0, as in MSDOS [Truta]
- In Cygwin, OS_CODE is 3 (Unix), not 11 (Windows32) [Wilson]
Changes in 1.2.0.4 (10 August 2003)
- Minor FAQ updates
- Be more strict when checking inflateInit2's windowBits parameter
- Change NO_GUNZIP compile option to NO_GZIP to cover deflate as well
- Add gzip wrapper option to deflateInit2 using windowBits
- Add updated QNX rule in configure and qnx directory [Bonnefoy]
- Make inflate distance-too-far checks more rigorous
- Clean up FAR usage in inflate
- Add casting to sizeof() in gzio.c and minigzip.c
Changes in 1.2.0.3 (19 July 2003)
- Fix silly error in gzungetc() implementation [Vollant]
- Update contrib/minizip and contrib/vstudio [Vollant]
- Fix printf format in example.c
- Correct cdecl support in zconf.in.h [Anisimkov]
- Minor FAQ updates
Changes in 1.2.0.2 (13 July 2003)
- Add ZLIB_VERNUM in zlib.h for numerical preprocessor comparisons
- Attempt to avoid warnings in crc32.c for pointer-int conversion
- Add AIX to configure, remove aix directory [Bakker]
- Add some casts to minigzip.c
- Improve checking after insecure sprintf() or vsprintf() calls
- Remove #elif's from crc32.c
- Change leave label to inf_leave in inflate.c and infback.c to avoid
library conflicts
- Remove inflate gzip decoding by default--only enable gzip decoding by
special request for stricter backward compatibility
- Add zlibCompileFlags() function to return compilation information
- More typecasting in deflate.c to avoid warnings
- Remove leading underscore from _Capital #defines [Truta]
- Fix configure to link shared library when testing
- Add some Windows CE target adjustments [Mai]
- Remove #define ZLIB_DLL in zconf.h [Vollant]
- Add zlib.3 [Rodgers]
- Update RFC URL in deflate.c and algorithm.txt [Mai]
- Add zlib_dll_FAQ.txt to contrib [Truta]
- Add UL to some constants [Truta]
- Update minizip and vstudio [Vollant]
- Remove vestigial NEED_DUMMY_RETURN from zconf.in.h
- Expand use of NO_DUMMY_DECL to avoid all dummy structures
- Added iostream3 to contrib [Schwardt]
- Replace rewind() with fseek() for WinCE [Truta]
- Improve setting of zlib format compression level flags
- Report 0 for huffman and rle strategies and for level == 0 or 1
- Report 2 only for level == 6
- Only deal with 64K limit when necessary at compile time [Truta]
- Allow TOO_FAR check to be turned off at compile time [Truta]
- Add gzclearerr() function [Souza]
- Add gzungetc() function
Changes in 1.2.0.1 (17 March 2003)
- Add Z_RLE strategy for run-length encoding [Truta]
- When Z_RLE requested, restrict matches to distance one
- Update zlib.h, minigzip.c, gzopen(), gzdopen() for Z_RLE
- Correct FASTEST compilation to allow level == 0
- Clean up what gets compiled for FASTEST
- Incorporate changes to zconf.in.h [Vollant]
- Refine detection of Turbo C need for dummy returns
- Refine ZLIB_DLL compilation
- Include additional header file on VMS for off_t typedef
- Try to use _vsnprintf where it supplants vsprintf [Vollant]
- Add some casts in inffast.c
- Enchance comments in zlib.h on what happens if gzprintf() tries to
write more than 4095 bytes before compression
- Remove unused state from inflateBackEnd()
- Remove exit(0) from minigzip.c, example.c
- Get rid of all those darn tabs
- Add "check" target to Makefile.in that does the same thing as "test"
- Add "mostlyclean" and "maintainer-clean" targets to Makefile.in
- Update contrib/inflate86 [Anderson]
- Update contrib/testzlib, contrib/vstudio, contrib/minizip [Vollant]
- Add msdos and win32 directories with makefiles [Truta]
- More additions and improvements to the FAQ
Changes in 1.2.0 (9 March 2003)
- New and improved inflate code
- About 20% faster
- Does not allocate 32K window unless and until needed
- Automatically detects and decompresses gzip streams
- Raw inflate no longer needs an extra dummy byte at end
- Added inflateBack functions using a callback interface--even faster
than inflate, useful for file utilities (gzip, zip)
- Added inflateCopy() function to record state for random access on
externally generated deflate streams (e.g. in gzip files)
- More readable code (I hope)
- New and improved crc32()
- About 50% faster, thanks to suggestions from Rodney Brown
- Add deflateBound() and compressBound() functions
- Fix memory leak in deflateInit2()
- Permit setting dictionary for raw deflate (for parallel deflate)
- Fix const declaration for gzwrite()
- Check for some malloc() failures in gzio.c
- Fix bug in gzopen() on single-byte file 0x1f
- Fix bug in gzread() on concatenated file with 0x1f at end of buffer
and next buffer doesn't start with 0x8b
- Fix uncompress() to return Z_DATA_ERROR on truncated input
- Free memory at end of example.c
- Remove MAX #define in trees.c (conflicted with some libraries)
- Fix static const's in deflate.c, gzio.c, and zutil.[ch]
- Declare malloc() and free() in gzio.c if STDC not defined
- Use malloc() instead of calloc() in zutil.c if int big enough
- Define STDC for AIX
- Add aix/ with approach for compiling shared library on AIX
- Add HP-UX support for shared libraries in configure
- Add OpenUNIX support for shared libraries in configure
- Use $cc instead of gcc to build shared library
- Make prefix directory if needed when installing
- Correct Macintosh avoidance of typedef Byte in zconf.h
- Correct Turbo C memory allocation when under Linux
- Use libz.a instead of -lz in Makefile (assure use of compiled library)
- Update configure to check for snprintf or vsnprintf functions and their
return value, warn during make if using an insecure function
- Fix configure problem with compile-time knowledge of HAVE_UNISTD_H that
is lost when library is used--resolution is to build new zconf.h
- Documentation improvements (in zlib.h):
- Document raw deflate and inflate
- Update RFCs URL
- Point out that zlib and gzip formats are different
- Note that Z_BUF_ERROR is not fatal
- Document string limit for gzprintf() and possible buffer overflow
- Note requirement on avail_out when flushing
- Note permitted values of flush parameter of inflate()
- Add some FAQs (and even answers) to the FAQ
- Add contrib/inflate86/ for x86 faster inflate
- Add contrib/blast/ for PKWare Data Compression Library decompression
- Add contrib/puff/ simple inflate for deflate format description
svn path=/trunk/; revision=25342
2007-01-07 15:56:49 +00:00
|
|
|
case 2: break;
|
|
|
|
case 4: flags += 1; break;
|
|
|
|
case 8: flags += 2; break;
|
|
|
|
default: flags += 3;
|
|
|
|
}
|
2010-06-08 01:37:58 +00:00
|
|
|
switch ((int)(sizeof(uLong))) {
|
update from zlib 1.1.4 to 1.2.3
ChangeLog file for zlib
Changes in 1.2.3 (18 July 2005)
- Apply security vulnerability fixes to contrib/infback9 as well
- Clean up some text files (carriage returns, trailing space)
- Update testzlib, vstudio, masmx64, and masmx86 in contrib [Vollant]
Changes in 1.2.2.4 (11 July 2005)
- Add inflatePrime() function for starting inflation at bit boundary
- Avoid some Visual C warnings in deflate.c
- Avoid more silly Visual C warnings in inflate.c and inftrees.c for 64-bit
compile
- Fix some spelling errors in comments [Betts]
- Correct inflateInit2() error return documentation in zlib.h
- Added zran.c example of compressed data random access to examples
directory, shows use of inflatePrime()
- Fix cast for assignments to strm->state in inflate.c and infback.c
- Fix zlibCompileFlags() in zutil.c to use 1L for long shifts [Oberhumer]
- Move declarations of gf2 functions to right place in crc32.c [Oberhumer]
- Add cast in trees.c t avoid a warning [Oberhumer]
- Avoid some warnings in fitblk.c, gun.c, gzjoin.c in examples [Oberhumer]
- Update make_vms.com [Zinser]
- Initialize state->write in inflateReset() since copied in inflate_fast()
- Be more strict on incomplete code sets in inflate_table() and increase
ENOUGH and MAXD -- this repairs a possible security vulnerability for
invalid inflate input. Thanks to Tavis Ormandy and Markus Oberhumer for
discovering the vulnerability and providing test cases.
- Add ia64 support to configure for HP-UX [Smith]
- Add error return to gzread() for format or i/o error [Levin]
- Use malloc.h for OS/2 [Necasek]
Changes in 1.2.2.3 (27 May 2005)
- Replace 1U constants in inflate.c and inftrees.c for 64-bit compile
- Typecast fread() return values in gzio.c [Vollant]
- Remove trailing space in minigzip.c outmode (VC++ can't deal with it)
- Fix crc check bug in gzread() after gzungetc() [Heiner]
- Add the deflateTune() function to adjust internal compression parameters
- Add a fast gzip decompressor, gun.c, to examples (use of inflateBack)
- Remove an incorrect assertion in examples/zpipe.c
- Add C++ wrapper in infback9.h [Donais]
- Fix bug in inflateCopy() when decoding fixed codes
- Note in zlib.h how much deflateSetDictionary() actually uses
- Remove USE_DICT_HEAD in deflate.c (would mess up inflate if used)
- Add _WIN32_WCE to define WIN32 in zconf.in.h [Spencer]
- Don't include stderr.h or errno.h for _WIN32_WCE in zutil.h [Spencer]
- Add gzdirect() function to indicate transparent reads
- Update contrib/minizip [Vollant]
- Fix compilation of deflate.c when both ASMV and FASTEST [Oberhumer]
- Add casts in crc32.c to avoid warnings [Oberhumer]
- Add contrib/masmx64 [Vollant]
- Update contrib/asm586, asm686, masmx86, testzlib, vstudio [Vollant]
Changes in 1.2.2.2 (30 December 2004)
- Replace structure assignments in deflate.c and inflate.c with zmemcpy to
avoid implicit memcpy calls (portability for no-library compilation)
- Increase sprintf() buffer size in gzdopen() to allow for large numbers
- Add INFLATE_STRICT to check distances against zlib header
- Improve WinCE errno handling and comments [Chang]
- Remove comment about no gzip header processing in FAQ
- Add Z_FIXED strategy option to deflateInit2() to force fixed trees
- Add updated make_vms.com [Coghlan], update README
- Create a new "examples" directory, move gzappend.c there, add zpipe.c,
fitblk.c, gzlog.[ch], gzjoin.c, and zlib_how.html.
- Add FAQ entry and comments in deflate.c on uninitialized memory access
- Add Solaris 9 make options in configure [Gilbert]
- Allow strerror() usage in gzio.c for STDC
- Fix DecompressBuf in contrib/delphi/ZLib.pas [ManChesTer]
- Update contrib/masmx86/inffas32.asm and gvmat32.asm [Vollant]
- Use z_off_t for adler32_combine() and crc32_combine() lengths
- Make adler32() much faster for small len
- Use OS_CODE in deflate() default gzip header
Changes in 1.2.2.1 (31 October 2004)
- Allow inflateSetDictionary() call for raw inflate
- Fix inflate header crc check bug for file names and comments
- Add deflateSetHeader() and gz_header structure for custom gzip headers
- Add inflateGetheader() to retrieve gzip headers
- Add crc32_combine() and adler32_combine() functions
- Add alloc_func, free_func, in_func, out_func to Z_PREFIX list
- Use zstreamp consistently in zlib.h (inflate_back functions)
- Remove GUNZIP condition from definition of inflate_mode in inflate.h
and in contrib/inflate86/inffast.S [Truta, Anderson]
- Add support for AMD64 in contrib/inflate86/inffas86.c [Anderson]
- Update projects/README.projects and projects/visualc6 [Truta]
- Update win32/DLL_FAQ.txt [Truta]
- Avoid warning under NO_GZCOMPRESS in gzio.c; fix typo [Truta]
- Deprecate Z_ASCII; use Z_TEXT instead [Truta]
- Use a new algorithm for setting strm->data_type in trees.c [Truta]
- Do not define an exit() prototype in zutil.c unless DEBUG defined
- Remove prototype of exit() from zutil.c, example.c, minigzip.c [Truta]
- Add comment in zlib.h for Z_NO_FLUSH parameter to deflate()
- Fix Darwin build version identification [Peterson]
Changes in 1.2.2 (3 October 2004)
- Update zlib.h comments on gzip in-memory processing
- Set adler to 1 in inflateReset() to support Java test suite [Walles]
- Add contrib/dotzlib [Ravn]
- Update win32/DLL_FAQ.txt [Truta]
- Update contrib/minizip [Vollant]
- Move contrib/visual-basic.txt to old/ [Truta]
- Fix assembler builds in projects/visualc6/ [Truta]
Changes in 1.2.1.2 (9 September 2004)
- Update INDEX file
- Fix trees.c to update strm->data_type (no one ever noticed!)
- Fix bug in error case in inflate.c, infback.c, and infback9.c [Brown]
- Add "volatile" to crc table flag declaration (for DYNAMIC_CRC_TABLE)
- Add limited multitasking protection to DYNAMIC_CRC_TABLE
- Add NO_vsnprintf for VMS in zutil.h [Mozilla]
- Don't declare strerror() under VMS [Mozilla]
- Add comment to DYNAMIC_CRC_TABLE to use get_crc_table() to initialize
- Update contrib/ada [Anisimkov]
- Update contrib/minizip [Vollant]
- Fix configure to not hardcode directories for Darwin [Peterson]
- Fix gzio.c to not return error on empty files [Brown]
- Fix indentation; update version in contrib/delphi/ZLib.pas and
contrib/pascal/zlibpas.pas [Truta]
- Update mkasm.bat in contrib/masmx86 [Truta]
- Update contrib/untgz [Truta]
- Add projects/README.projects [Truta]
- Add project for MS Visual C++ 6.0 in projects/visualc6 [Cadieux, Truta]
- Update win32/DLL_FAQ.txt [Truta]
- Update list of Z_PREFIX symbols in zconf.h [Randers-Pehrson, Truta]
- Remove an unnecessary assignment to curr in inftrees.c [Truta]
- Add OS/2 to exe builds in configure [Poltorak]
- Remove err dummy parameter in zlib.h [Kientzle]
Changes in 1.2.1.1 (9 January 2004)
- Update email address in README
- Several FAQ updates
- Fix a big fat bug in inftrees.c that prevented decoding valid
dynamic blocks with only literals and no distance codes --
Thanks to "Hot Emu" for the bug report and sample file
- Add a note to puff.c on no distance codes case.
Changes in 1.2.1 (17 November 2003)
- Remove a tab in contrib/gzappend/gzappend.c
- Update some interfaces in contrib for new zlib functions
- Update zlib version number in some contrib entries
- Add Windows CE definition for ptrdiff_t in zutil.h [Mai, Truta]
- Support shared libraries on Hurd and KFreeBSD [Brown]
- Fix error in NO_DIVIDE option of adler32.c
Changes in 1.2.0.8 (4 November 2003)
- Update version in contrib/delphi/ZLib.pas and contrib/pascal/zlibpas.pas
- Add experimental NO_DIVIDE #define in adler32.c
- Possibly faster on some processors (let me know if it is)
- Correct Z_BLOCK to not return on first inflate call if no wrap
- Fix strm->data_type on inflate() return to correctly indicate EOB
- Add deflatePrime() function for appending in the middle of a byte
- Add contrib/gzappend for an example of appending to a stream
- Update win32/DLL_FAQ.txt [Truta]
- Delete Turbo C comment in README [Truta]
- Improve some indentation in zconf.h [Truta]
- Fix infinite loop on bad input in configure script [Church]
- Fix gzeof() for concatenated gzip files [Johnson]
- Add example to contrib/visual-basic.txt [Michael B.]
- Add -p to mkdir's in Makefile.in [vda]
- Fix configure to properly detect presence or lack of printf functions
- Add AS400 support [Monnerat]
- Add a little Cygwin support [Wilson]
Changes in 1.2.0.7 (21 September 2003)
- Correct some debug formats in contrib/infback9
- Cast a type in a debug statement in trees.c
- Change search and replace delimiter in configure from % to # [Beebe]
- Update contrib/untgz to 0.2 with various fixes [Truta]
- Add build support for Amiga [Nikl]
- Remove some directories in old that have been updated to 1.2
- Add dylib building for Mac OS X in configure and Makefile.in
- Remove old distribution stuff from Makefile
- Update README to point to DLL_FAQ.txt, and add comment on Mac OS X
- Update links in README
Changes in 1.2.0.6 (13 September 2003)
- Minor FAQ updates
- Update contrib/minizip to 1.00 [Vollant]
- Remove test of gz functions in example.c when GZ_COMPRESS defined [Truta]
- Update POSTINC comment for 68060 [Nikl]
- Add contrib/infback9 with deflate64 decoding (unsupported)
- For MVS define NO_vsnprintf and undefine FAR [van Burik]
- Add pragma for fdopen on MVS [van Burik]
Changes in 1.2.0.5 (8 September 2003)
- Add OF to inflateBackEnd() declaration in zlib.h
- Remember start when using gzdopen in the middle of a file
- Use internal off_t counters in gz* functions to properly handle seeks
- Perform more rigorous check for distance-too-far in inffast.c
- Add Z_BLOCK flush option to return from inflate at block boundary
- Set strm->data_type on return from inflate
- Indicate bits unused, if at block boundary, and if in last block
- Replace size_t with ptrdiff_t in crc32.c, and check for correct size
- Add condition so old NO_DEFLATE define still works for compatibility
- FAQ update regarding the Windows DLL [Truta]
- INDEX update: add qnx entry, remove aix entry [Truta]
- Install zlib.3 into mandir [Wilson]
- Move contrib/zlib_dll_FAQ.txt to win32/DLL_FAQ.txt; update [Truta]
- Adapt the zlib interface to the new DLL convention guidelines [Truta]
- Introduce ZLIB_WINAPI macro to allow the export of functions using
the WINAPI calling convention, for Visual Basic [Vollant, Truta]
- Update msdos and win32 scripts and makefiles [Truta]
- Export symbols by name, not by ordinal, in win32/zlib.def [Truta]
- Add contrib/ada [Anisimkov]
- Move asm files from contrib/vstudio/vc70_32 to contrib/asm386 [Truta]
- Rename contrib/asm386 to contrib/masmx86 [Truta, Vollant]
- Add contrib/masm686 [Truta]
- Fix offsets in contrib/inflate86 and contrib/masmx86/inffas32.asm
[Truta, Vollant]
- Update contrib/delphi; rename to contrib/pascal; add example [Truta]
- Remove contrib/delphi2; add a new contrib/delphi [Truta]
- Avoid inclusion of the nonstandard <memory.h> in contrib/iostream,
and fix some method prototypes [Truta]
- Fix the ZCR_SEED2 constant to avoid warnings in contrib/minizip
[Truta]
- Avoid the use of backslash (\) in contrib/minizip [Vollant]
- Fix file time handling in contrib/untgz; update makefiles [Truta]
- Update contrib/vstudio/vc70_32 to comply with the new DLL guidelines
[Vollant]
- Remove contrib/vstudio/vc15_16 [Vollant]
- Rename contrib/vstudio/vc70_32 to contrib/vstudio/vc7 [Truta]
- Update README.contrib [Truta]
- Invert the assignment order of match_head and s->prev[...] in
INSERT_STRING [Truta]
- Compare TOO_FAR with 32767 instead of 32768, to avoid 16-bit warnings
[Truta]
- Compare function pointers with 0, not with NULL or Z_NULL [Truta]
- Fix prototype of syncsearch in inflate.c [Truta]
- Introduce ASMINF macro to be enabled when using an ASM implementation
of inflate_fast [Truta]
- Change NO_DEFLATE to NO_GZCOMPRESS [Truta]
- Modify test_gzio in example.c to take a single file name as a
parameter [Truta]
- Exit the example.c program if gzopen fails [Truta]
- Add type casts around strlen in example.c [Truta]
- Remove casting to sizeof in minigzip.c; give a proper type
to the variable compared with SUFFIX_LEN [Truta]
- Update definitions of STDC and STDC99 in zconf.h [Truta]
- Synchronize zconf.h with the new Windows DLL interface [Truta]
- Use SYS16BIT instead of __32BIT__ to distinguish between
16- and 32-bit platforms [Truta]
- Use far memory allocators in small 16-bit memory models for
Turbo C [Truta]
- Add info about the use of ASMV, ASMINF and ZLIB_WINAPI in
zlibCompileFlags [Truta]
- Cygwin has vsnprintf [Wilson]
- In Windows16, OS_CODE is 0, as in MSDOS [Truta]
- In Cygwin, OS_CODE is 3 (Unix), not 11 (Windows32) [Wilson]
Changes in 1.2.0.4 (10 August 2003)
- Minor FAQ updates
- Be more strict when checking inflateInit2's windowBits parameter
- Change NO_GUNZIP compile option to NO_GZIP to cover deflate as well
- Add gzip wrapper option to deflateInit2 using windowBits
- Add updated QNX rule in configure and qnx directory [Bonnefoy]
- Make inflate distance-too-far checks more rigorous
- Clean up FAR usage in inflate
- Add casting to sizeof() in gzio.c and minigzip.c
Changes in 1.2.0.3 (19 July 2003)
- Fix silly error in gzungetc() implementation [Vollant]
- Update contrib/minizip and contrib/vstudio [Vollant]
- Fix printf format in example.c
- Correct cdecl support in zconf.in.h [Anisimkov]
- Minor FAQ updates
Changes in 1.2.0.2 (13 July 2003)
- Add ZLIB_VERNUM in zlib.h for numerical preprocessor comparisons
- Attempt to avoid warnings in crc32.c for pointer-int conversion
- Add AIX to configure, remove aix directory [Bakker]
- Add some casts to minigzip.c
- Improve checking after insecure sprintf() or vsprintf() calls
- Remove #elif's from crc32.c
- Change leave label to inf_leave in inflate.c and infback.c to avoid
library conflicts
- Remove inflate gzip decoding by default--only enable gzip decoding by
special request for stricter backward compatibility
- Add zlibCompileFlags() function to return compilation information
- More typecasting in deflate.c to avoid warnings
- Remove leading underscore from _Capital #defines [Truta]
- Fix configure to link shared library when testing
- Add some Windows CE target adjustments [Mai]
- Remove #define ZLIB_DLL in zconf.h [Vollant]
- Add zlib.3 [Rodgers]
- Update RFC URL in deflate.c and algorithm.txt [Mai]
- Add zlib_dll_FAQ.txt to contrib [Truta]
- Add UL to some constants [Truta]
- Update minizip and vstudio [Vollant]
- Remove vestigial NEED_DUMMY_RETURN from zconf.in.h
- Expand use of NO_DUMMY_DECL to avoid all dummy structures
- Added iostream3 to contrib [Schwardt]
- Replace rewind() with fseek() for WinCE [Truta]
- Improve setting of zlib format compression level flags
- Report 0 for huffman and rle strategies and for level == 0 or 1
- Report 2 only for level == 6
- Only deal with 64K limit when necessary at compile time [Truta]
- Allow TOO_FAR check to be turned off at compile time [Truta]
- Add gzclearerr() function [Souza]
- Add gzungetc() function
Changes in 1.2.0.1 (17 March 2003)
- Add Z_RLE strategy for run-length encoding [Truta]
- When Z_RLE requested, restrict matches to distance one
- Update zlib.h, minigzip.c, gzopen(), gzdopen() for Z_RLE
- Correct FASTEST compilation to allow level == 0
- Clean up what gets compiled for FASTEST
- Incorporate changes to zconf.in.h [Vollant]
- Refine detection of Turbo C need for dummy returns
- Refine ZLIB_DLL compilation
- Include additional header file on VMS for off_t typedef
- Try to use _vsnprintf where it supplants vsprintf [Vollant]
- Add some casts in inffast.c
- Enchance comments in zlib.h on what happens if gzprintf() tries to
write more than 4095 bytes before compression
- Remove unused state from inflateBackEnd()
- Remove exit(0) from minigzip.c, example.c
- Get rid of all those darn tabs
- Add "check" target to Makefile.in that does the same thing as "test"
- Add "mostlyclean" and "maintainer-clean" targets to Makefile.in
- Update contrib/inflate86 [Anderson]
- Update contrib/testzlib, contrib/vstudio, contrib/minizip [Vollant]
- Add msdos and win32 directories with makefiles [Truta]
- More additions and improvements to the FAQ
Changes in 1.2.0 (9 March 2003)
- New and improved inflate code
- About 20% faster
- Does not allocate 32K window unless and until needed
- Automatically detects and decompresses gzip streams
- Raw inflate no longer needs an extra dummy byte at end
- Added inflateBack functions using a callback interface--even faster
than inflate, useful for file utilities (gzip, zip)
- Added inflateCopy() function to record state for random access on
externally generated deflate streams (e.g. in gzip files)
- More readable code (I hope)
- New and improved crc32()
- About 50% faster, thanks to suggestions from Rodney Brown
- Add deflateBound() and compressBound() functions
- Fix memory leak in deflateInit2()
- Permit setting dictionary for raw deflate (for parallel deflate)
- Fix const declaration for gzwrite()
- Check for some malloc() failures in gzio.c
- Fix bug in gzopen() on single-byte file 0x1f
- Fix bug in gzread() on concatenated file with 0x1f at end of buffer
and next buffer doesn't start with 0x8b
- Fix uncompress() to return Z_DATA_ERROR on truncated input
- Free memory at end of example.c
- Remove MAX #define in trees.c (conflicted with some libraries)
- Fix static const's in deflate.c, gzio.c, and zutil.[ch]
- Declare malloc() and free() in gzio.c if STDC not defined
- Use malloc() instead of calloc() in zutil.c if int big enough
- Define STDC for AIX
- Add aix/ with approach for compiling shared library on AIX
- Add HP-UX support for shared libraries in configure
- Add OpenUNIX support for shared libraries in configure
- Use $cc instead of gcc to build shared library
- Make prefix directory if needed when installing
- Correct Macintosh avoidance of typedef Byte in zconf.h
- Correct Turbo C memory allocation when under Linux
- Use libz.a instead of -lz in Makefile (assure use of compiled library)
- Update configure to check for snprintf or vsnprintf functions and their
return value, warn during make if using an insecure function
- Fix configure problem with compile-time knowledge of HAVE_UNISTD_H that
is lost when library is used--resolution is to build new zconf.h
- Documentation improvements (in zlib.h):
- Document raw deflate and inflate
- Update RFCs URL
- Point out that zlib and gzip formats are different
- Note that Z_BUF_ERROR is not fatal
- Document string limit for gzprintf() and possible buffer overflow
- Note requirement on avail_out when flushing
- Note permitted values of flush parameter of inflate()
- Add some FAQs (and even answers) to the FAQ
- Add contrib/inflate86/ for x86 faster inflate
- Add contrib/blast/ for PKWare Data Compression Library decompression
- Add contrib/puff/ simple inflate for deflate format description
svn path=/trunk/; revision=25342
2007-01-07 15:56:49 +00:00
|
|
|
case 2: break;
|
|
|
|
case 4: flags += 1 << 2; break;
|
|
|
|
case 8: flags += 2 << 2; break;
|
|
|
|
default: flags += 3 << 2;
|
|
|
|
}
|
2010-06-08 01:37:58 +00:00
|
|
|
switch ((int)(sizeof(voidpf))) {
|
update from zlib 1.1.4 to 1.2.3
ChangeLog file for zlib
Changes in 1.2.3 (18 July 2005)
- Apply security vulnerability fixes to contrib/infback9 as well
- Clean up some text files (carriage returns, trailing space)
- Update testzlib, vstudio, masmx64, and masmx86 in contrib [Vollant]
Changes in 1.2.2.4 (11 July 2005)
- Add inflatePrime() function for starting inflation at bit boundary
- Avoid some Visual C warnings in deflate.c
- Avoid more silly Visual C warnings in inflate.c and inftrees.c for 64-bit
compile
- Fix some spelling errors in comments [Betts]
- Correct inflateInit2() error return documentation in zlib.h
- Added zran.c example of compressed data random access to examples
directory, shows use of inflatePrime()
- Fix cast for assignments to strm->state in inflate.c and infback.c
- Fix zlibCompileFlags() in zutil.c to use 1L for long shifts [Oberhumer]
- Move declarations of gf2 functions to right place in crc32.c [Oberhumer]
- Add cast in trees.c t avoid a warning [Oberhumer]
- Avoid some warnings in fitblk.c, gun.c, gzjoin.c in examples [Oberhumer]
- Update make_vms.com [Zinser]
- Initialize state->write in inflateReset() since copied in inflate_fast()
- Be more strict on incomplete code sets in inflate_table() and increase
ENOUGH and MAXD -- this repairs a possible security vulnerability for
invalid inflate input. Thanks to Tavis Ormandy and Markus Oberhumer for
discovering the vulnerability and providing test cases.
- Add ia64 support to configure for HP-UX [Smith]
- Add error return to gzread() for format or i/o error [Levin]
- Use malloc.h for OS/2 [Necasek]
Changes in 1.2.2.3 (27 May 2005)
- Replace 1U constants in inflate.c and inftrees.c for 64-bit compile
- Typecast fread() return values in gzio.c [Vollant]
- Remove trailing space in minigzip.c outmode (VC++ can't deal with it)
- Fix crc check bug in gzread() after gzungetc() [Heiner]
- Add the deflateTune() function to adjust internal compression parameters
- Add a fast gzip decompressor, gun.c, to examples (use of inflateBack)
- Remove an incorrect assertion in examples/zpipe.c
- Add C++ wrapper in infback9.h [Donais]
- Fix bug in inflateCopy() when decoding fixed codes
- Note in zlib.h how much deflateSetDictionary() actually uses
- Remove USE_DICT_HEAD in deflate.c (would mess up inflate if used)
- Add _WIN32_WCE to define WIN32 in zconf.in.h [Spencer]
- Don't include stderr.h or errno.h for _WIN32_WCE in zutil.h [Spencer]
- Add gzdirect() function to indicate transparent reads
- Update contrib/minizip [Vollant]
- Fix compilation of deflate.c when both ASMV and FASTEST [Oberhumer]
- Add casts in crc32.c to avoid warnings [Oberhumer]
- Add contrib/masmx64 [Vollant]
- Update contrib/asm586, asm686, masmx86, testzlib, vstudio [Vollant]
Changes in 1.2.2.2 (30 December 2004)
- Replace structure assignments in deflate.c and inflate.c with zmemcpy to
avoid implicit memcpy calls (portability for no-library compilation)
- Increase sprintf() buffer size in gzdopen() to allow for large numbers
- Add INFLATE_STRICT to check distances against zlib header
- Improve WinCE errno handling and comments [Chang]
- Remove comment about no gzip header processing in FAQ
- Add Z_FIXED strategy option to deflateInit2() to force fixed trees
- Add updated make_vms.com [Coghlan], update README
- Create a new "examples" directory, move gzappend.c there, add zpipe.c,
fitblk.c, gzlog.[ch], gzjoin.c, and zlib_how.html.
- Add FAQ entry and comments in deflate.c on uninitialized memory access
- Add Solaris 9 make options in configure [Gilbert]
- Allow strerror() usage in gzio.c for STDC
- Fix DecompressBuf in contrib/delphi/ZLib.pas [ManChesTer]
- Update contrib/masmx86/inffas32.asm and gvmat32.asm [Vollant]
- Use z_off_t for adler32_combine() and crc32_combine() lengths
- Make adler32() much faster for small len
- Use OS_CODE in deflate() default gzip header
Changes in 1.2.2.1 (31 October 2004)
- Allow inflateSetDictionary() call for raw inflate
- Fix inflate header crc check bug for file names and comments
- Add deflateSetHeader() and gz_header structure for custom gzip headers
- Add inflateGetheader() to retrieve gzip headers
- Add crc32_combine() and adler32_combine() functions
- Add alloc_func, free_func, in_func, out_func to Z_PREFIX list
- Use zstreamp consistently in zlib.h (inflate_back functions)
- Remove GUNZIP condition from definition of inflate_mode in inflate.h
and in contrib/inflate86/inffast.S [Truta, Anderson]
- Add support for AMD64 in contrib/inflate86/inffas86.c [Anderson]
- Update projects/README.projects and projects/visualc6 [Truta]
- Update win32/DLL_FAQ.txt [Truta]
- Avoid warning under NO_GZCOMPRESS in gzio.c; fix typo [Truta]
- Deprecate Z_ASCII; use Z_TEXT instead [Truta]
- Use a new algorithm for setting strm->data_type in trees.c [Truta]
- Do not define an exit() prototype in zutil.c unless DEBUG defined
- Remove prototype of exit() from zutil.c, example.c, minigzip.c [Truta]
- Add comment in zlib.h for Z_NO_FLUSH parameter to deflate()
- Fix Darwin build version identification [Peterson]
Changes in 1.2.2 (3 October 2004)
- Update zlib.h comments on gzip in-memory processing
- Set adler to 1 in inflateReset() to support Java test suite [Walles]
- Add contrib/dotzlib [Ravn]
- Update win32/DLL_FAQ.txt [Truta]
- Update contrib/minizip [Vollant]
- Move contrib/visual-basic.txt to old/ [Truta]
- Fix assembler builds in projects/visualc6/ [Truta]
Changes in 1.2.1.2 (9 September 2004)
- Update INDEX file
- Fix trees.c to update strm->data_type (no one ever noticed!)
- Fix bug in error case in inflate.c, infback.c, and infback9.c [Brown]
- Add "volatile" to crc table flag declaration (for DYNAMIC_CRC_TABLE)
- Add limited multitasking protection to DYNAMIC_CRC_TABLE
- Add NO_vsnprintf for VMS in zutil.h [Mozilla]
- Don't declare strerror() under VMS [Mozilla]
- Add comment to DYNAMIC_CRC_TABLE to use get_crc_table() to initialize
- Update contrib/ada [Anisimkov]
- Update contrib/minizip [Vollant]
- Fix configure to not hardcode directories for Darwin [Peterson]
- Fix gzio.c to not return error on empty files [Brown]
- Fix indentation; update version in contrib/delphi/ZLib.pas and
contrib/pascal/zlibpas.pas [Truta]
- Update mkasm.bat in contrib/masmx86 [Truta]
- Update contrib/untgz [Truta]
- Add projects/README.projects [Truta]
- Add project for MS Visual C++ 6.0 in projects/visualc6 [Cadieux, Truta]
- Update win32/DLL_FAQ.txt [Truta]
- Update list of Z_PREFIX symbols in zconf.h [Randers-Pehrson, Truta]
- Remove an unnecessary assignment to curr in inftrees.c [Truta]
- Add OS/2 to exe builds in configure [Poltorak]
- Remove err dummy parameter in zlib.h [Kientzle]
Changes in 1.2.1.1 (9 January 2004)
- Update email address in README
- Several FAQ updates
- Fix a big fat bug in inftrees.c that prevented decoding valid
dynamic blocks with only literals and no distance codes --
Thanks to "Hot Emu" for the bug report and sample file
- Add a note to puff.c on no distance codes case.
Changes in 1.2.1 (17 November 2003)
- Remove a tab in contrib/gzappend/gzappend.c
- Update some interfaces in contrib for new zlib functions
- Update zlib version number in some contrib entries
- Add Windows CE definition for ptrdiff_t in zutil.h [Mai, Truta]
- Support shared libraries on Hurd and KFreeBSD [Brown]
- Fix error in NO_DIVIDE option of adler32.c
Changes in 1.2.0.8 (4 November 2003)
- Update version in contrib/delphi/ZLib.pas and contrib/pascal/zlibpas.pas
- Add experimental NO_DIVIDE #define in adler32.c
- Possibly faster on some processors (let me know if it is)
- Correct Z_BLOCK to not return on first inflate call if no wrap
- Fix strm->data_type on inflate() return to correctly indicate EOB
- Add deflatePrime() function for appending in the middle of a byte
- Add contrib/gzappend for an example of appending to a stream
- Update win32/DLL_FAQ.txt [Truta]
- Delete Turbo C comment in README [Truta]
- Improve some indentation in zconf.h [Truta]
- Fix infinite loop on bad input in configure script [Church]
- Fix gzeof() for concatenated gzip files [Johnson]
- Add example to contrib/visual-basic.txt [Michael B.]
- Add -p to mkdir's in Makefile.in [vda]
- Fix configure to properly detect presence or lack of printf functions
- Add AS400 support [Monnerat]
- Add a little Cygwin support [Wilson]
Changes in 1.2.0.7 (21 September 2003)
- Correct some debug formats in contrib/infback9
- Cast a type in a debug statement in trees.c
- Change search and replace delimiter in configure from % to # [Beebe]
- Update contrib/untgz to 0.2 with various fixes [Truta]
- Add build support for Amiga [Nikl]
- Remove some directories in old that have been updated to 1.2
- Add dylib building for Mac OS X in configure and Makefile.in
- Remove old distribution stuff from Makefile
- Update README to point to DLL_FAQ.txt, and add comment on Mac OS X
- Update links in README
Changes in 1.2.0.6 (13 September 2003)
- Minor FAQ updates
- Update contrib/minizip to 1.00 [Vollant]
- Remove test of gz functions in example.c when GZ_COMPRESS defined [Truta]
- Update POSTINC comment for 68060 [Nikl]
- Add contrib/infback9 with deflate64 decoding (unsupported)
- For MVS define NO_vsnprintf and undefine FAR [van Burik]
- Add pragma for fdopen on MVS [van Burik]
Changes in 1.2.0.5 (8 September 2003)
- Add OF to inflateBackEnd() declaration in zlib.h
- Remember start when using gzdopen in the middle of a file
- Use internal off_t counters in gz* functions to properly handle seeks
- Perform more rigorous check for distance-too-far in inffast.c
- Add Z_BLOCK flush option to return from inflate at block boundary
- Set strm->data_type on return from inflate
- Indicate bits unused, if at block boundary, and if in last block
- Replace size_t with ptrdiff_t in crc32.c, and check for correct size
- Add condition so old NO_DEFLATE define still works for compatibility
- FAQ update regarding the Windows DLL [Truta]
- INDEX update: add qnx entry, remove aix entry [Truta]
- Install zlib.3 into mandir [Wilson]
- Move contrib/zlib_dll_FAQ.txt to win32/DLL_FAQ.txt; update [Truta]
- Adapt the zlib interface to the new DLL convention guidelines [Truta]
- Introduce ZLIB_WINAPI macro to allow the export of functions using
the WINAPI calling convention, for Visual Basic [Vollant, Truta]
- Update msdos and win32 scripts and makefiles [Truta]
- Export symbols by name, not by ordinal, in win32/zlib.def [Truta]
- Add contrib/ada [Anisimkov]
- Move asm files from contrib/vstudio/vc70_32 to contrib/asm386 [Truta]
- Rename contrib/asm386 to contrib/masmx86 [Truta, Vollant]
- Add contrib/masm686 [Truta]
- Fix offsets in contrib/inflate86 and contrib/masmx86/inffas32.asm
[Truta, Vollant]
- Update contrib/delphi; rename to contrib/pascal; add example [Truta]
- Remove contrib/delphi2; add a new contrib/delphi [Truta]
- Avoid inclusion of the nonstandard <memory.h> in contrib/iostream,
and fix some method prototypes [Truta]
- Fix the ZCR_SEED2 constant to avoid warnings in contrib/minizip
[Truta]
- Avoid the use of backslash (\) in contrib/minizip [Vollant]
- Fix file time handling in contrib/untgz; update makefiles [Truta]
- Update contrib/vstudio/vc70_32 to comply with the new DLL guidelines
[Vollant]
- Remove contrib/vstudio/vc15_16 [Vollant]
- Rename contrib/vstudio/vc70_32 to contrib/vstudio/vc7 [Truta]
- Update README.contrib [Truta]
- Invert the assignment order of match_head and s->prev[...] in
INSERT_STRING [Truta]
- Compare TOO_FAR with 32767 instead of 32768, to avoid 16-bit warnings
[Truta]
- Compare function pointers with 0, not with NULL or Z_NULL [Truta]
- Fix prototype of syncsearch in inflate.c [Truta]
- Introduce ASMINF macro to be enabled when using an ASM implementation
of inflate_fast [Truta]
- Change NO_DEFLATE to NO_GZCOMPRESS [Truta]
- Modify test_gzio in example.c to take a single file name as a
parameter [Truta]
- Exit the example.c program if gzopen fails [Truta]
- Add type casts around strlen in example.c [Truta]
- Remove casting to sizeof in minigzip.c; give a proper type
to the variable compared with SUFFIX_LEN [Truta]
- Update definitions of STDC and STDC99 in zconf.h [Truta]
- Synchronize zconf.h with the new Windows DLL interface [Truta]
- Use SYS16BIT instead of __32BIT__ to distinguish between
16- and 32-bit platforms [Truta]
- Use far memory allocators in small 16-bit memory models for
Turbo C [Truta]
- Add info about the use of ASMV, ASMINF and ZLIB_WINAPI in
zlibCompileFlags [Truta]
- Cygwin has vsnprintf [Wilson]
- In Windows16, OS_CODE is 0, as in MSDOS [Truta]
- In Cygwin, OS_CODE is 3 (Unix), not 11 (Windows32) [Wilson]
Changes in 1.2.0.4 (10 August 2003)
- Minor FAQ updates
- Be more strict when checking inflateInit2's windowBits parameter
- Change NO_GUNZIP compile option to NO_GZIP to cover deflate as well
- Add gzip wrapper option to deflateInit2 using windowBits
- Add updated QNX rule in configure and qnx directory [Bonnefoy]
- Make inflate distance-too-far checks more rigorous
- Clean up FAR usage in inflate
- Add casting to sizeof() in gzio.c and minigzip.c
Changes in 1.2.0.3 (19 July 2003)
- Fix silly error in gzungetc() implementation [Vollant]
- Update contrib/minizip and contrib/vstudio [Vollant]
- Fix printf format in example.c
- Correct cdecl support in zconf.in.h [Anisimkov]
- Minor FAQ updates
Changes in 1.2.0.2 (13 July 2003)
- Add ZLIB_VERNUM in zlib.h for numerical preprocessor comparisons
- Attempt to avoid warnings in crc32.c for pointer-int conversion
- Add AIX to configure, remove aix directory [Bakker]
- Add some casts to minigzip.c
- Improve checking after insecure sprintf() or vsprintf() calls
- Remove #elif's from crc32.c
- Change leave label to inf_leave in inflate.c and infback.c to avoid
library conflicts
- Remove inflate gzip decoding by default--only enable gzip decoding by
special request for stricter backward compatibility
- Add zlibCompileFlags() function to return compilation information
- More typecasting in deflate.c to avoid warnings
- Remove leading underscore from _Capital #defines [Truta]
- Fix configure to link shared library when testing
- Add some Windows CE target adjustments [Mai]
- Remove #define ZLIB_DLL in zconf.h [Vollant]
- Add zlib.3 [Rodgers]
- Update RFC URL in deflate.c and algorithm.txt [Mai]
- Add zlib_dll_FAQ.txt to contrib [Truta]
- Add UL to some constants [Truta]
- Update minizip and vstudio [Vollant]
- Remove vestigial NEED_DUMMY_RETURN from zconf.in.h
- Expand use of NO_DUMMY_DECL to avoid all dummy structures
- Added iostream3 to contrib [Schwardt]
- Replace rewind() with fseek() for WinCE [Truta]
- Improve setting of zlib format compression level flags
- Report 0 for huffman and rle strategies and for level == 0 or 1
- Report 2 only for level == 6
- Only deal with 64K limit when necessary at compile time [Truta]
- Allow TOO_FAR check to be turned off at compile time [Truta]
- Add gzclearerr() function [Souza]
- Add gzungetc() function
Changes in 1.2.0.1 (17 March 2003)
- Add Z_RLE strategy for run-length encoding [Truta]
- When Z_RLE requested, restrict matches to distance one
- Update zlib.h, minigzip.c, gzopen(), gzdopen() for Z_RLE
- Correct FASTEST compilation to allow level == 0
- Clean up what gets compiled for FASTEST
- Incorporate changes to zconf.in.h [Vollant]
- Refine detection of Turbo C need for dummy returns
- Refine ZLIB_DLL compilation
- Include additional header file on VMS for off_t typedef
- Try to use _vsnprintf where it supplants vsprintf [Vollant]
- Add some casts in inffast.c
- Enchance comments in zlib.h on what happens if gzprintf() tries to
write more than 4095 bytes before compression
- Remove unused state from inflateBackEnd()
- Remove exit(0) from minigzip.c, example.c
- Get rid of all those darn tabs
- Add "check" target to Makefile.in that does the same thing as "test"
- Add "mostlyclean" and "maintainer-clean" targets to Makefile.in
- Update contrib/inflate86 [Anderson]
- Update contrib/testzlib, contrib/vstudio, contrib/minizip [Vollant]
- Add msdos and win32 directories with makefiles [Truta]
- More additions and improvements to the FAQ
Changes in 1.2.0 (9 March 2003)
- New and improved inflate code
- About 20% faster
- Does not allocate 32K window unless and until needed
- Automatically detects and decompresses gzip streams
- Raw inflate no longer needs an extra dummy byte at end
- Added inflateBack functions using a callback interface--even faster
than inflate, useful for file utilities (gzip, zip)
- Added inflateCopy() function to record state for random access on
externally generated deflate streams (e.g. in gzip files)
- More readable code (I hope)
- New and improved crc32()
- About 50% faster, thanks to suggestions from Rodney Brown
- Add deflateBound() and compressBound() functions
- Fix memory leak in deflateInit2()
- Permit setting dictionary for raw deflate (for parallel deflate)
- Fix const declaration for gzwrite()
- Check for some malloc() failures in gzio.c
- Fix bug in gzopen() on single-byte file 0x1f
- Fix bug in gzread() on concatenated file with 0x1f at end of buffer
and next buffer doesn't start with 0x8b
- Fix uncompress() to return Z_DATA_ERROR on truncated input
- Free memory at end of example.c
- Remove MAX #define in trees.c (conflicted with some libraries)
- Fix static const's in deflate.c, gzio.c, and zutil.[ch]
- Declare malloc() and free() in gzio.c if STDC not defined
- Use malloc() instead of calloc() in zutil.c if int big enough
- Define STDC for AIX
- Add aix/ with approach for compiling shared library on AIX
- Add HP-UX support for shared libraries in configure
- Add OpenUNIX support for shared libraries in configure
- Use $cc instead of gcc to build shared library
- Make prefix directory if needed when installing
- Correct Macintosh avoidance of typedef Byte in zconf.h
- Correct Turbo C memory allocation when under Linux
- Use libz.a instead of -lz in Makefile (assure use of compiled library)
- Update configure to check for snprintf or vsnprintf functions and their
return value, warn during make if using an insecure function
- Fix configure problem with compile-time knowledge of HAVE_UNISTD_H that
is lost when library is used--resolution is to build new zconf.h
- Documentation improvements (in zlib.h):
- Document raw deflate and inflate
- Update RFCs URL
- Point out that zlib and gzip formats are different
- Note that Z_BUF_ERROR is not fatal
- Document string limit for gzprintf() and possible buffer overflow
- Note requirement on avail_out when flushing
- Note permitted values of flush parameter of inflate()
- Add some FAQs (and even answers) to the FAQ
- Add contrib/inflate86/ for x86 faster inflate
- Add contrib/blast/ for PKWare Data Compression Library decompression
- Add contrib/puff/ simple inflate for deflate format description
svn path=/trunk/; revision=25342
2007-01-07 15:56:49 +00:00
|
|
|
case 2: break;
|
|
|
|
case 4: flags += 1 << 4; break;
|
|
|
|
case 8: flags += 2 << 4; break;
|
|
|
|
default: flags += 3 << 4;
|
|
|
|
}
|
2010-06-08 01:37:58 +00:00
|
|
|
switch ((int)(sizeof(z_off_t))) {
|
update from zlib 1.1.4 to 1.2.3
ChangeLog file for zlib
Changes in 1.2.3 (18 July 2005)
- Apply security vulnerability fixes to contrib/infback9 as well
- Clean up some text files (carriage returns, trailing space)
- Update testzlib, vstudio, masmx64, and masmx86 in contrib [Vollant]
Changes in 1.2.2.4 (11 July 2005)
- Add inflatePrime() function for starting inflation at bit boundary
- Avoid some Visual C warnings in deflate.c
- Avoid more silly Visual C warnings in inflate.c and inftrees.c for 64-bit
compile
- Fix some spelling errors in comments [Betts]
- Correct inflateInit2() error return documentation in zlib.h
- Added zran.c example of compressed data random access to examples
directory, shows use of inflatePrime()
- Fix cast for assignments to strm->state in inflate.c and infback.c
- Fix zlibCompileFlags() in zutil.c to use 1L for long shifts [Oberhumer]
- Move declarations of gf2 functions to right place in crc32.c [Oberhumer]
- Add cast in trees.c t avoid a warning [Oberhumer]
- Avoid some warnings in fitblk.c, gun.c, gzjoin.c in examples [Oberhumer]
- Update make_vms.com [Zinser]
- Initialize state->write in inflateReset() since copied in inflate_fast()
- Be more strict on incomplete code sets in inflate_table() and increase
ENOUGH and MAXD -- this repairs a possible security vulnerability for
invalid inflate input. Thanks to Tavis Ormandy and Markus Oberhumer for
discovering the vulnerability and providing test cases.
- Add ia64 support to configure for HP-UX [Smith]
- Add error return to gzread() for format or i/o error [Levin]
- Use malloc.h for OS/2 [Necasek]
Changes in 1.2.2.3 (27 May 2005)
- Replace 1U constants in inflate.c and inftrees.c for 64-bit compile
- Typecast fread() return values in gzio.c [Vollant]
- Remove trailing space in minigzip.c outmode (VC++ can't deal with it)
- Fix crc check bug in gzread() after gzungetc() [Heiner]
- Add the deflateTune() function to adjust internal compression parameters
- Add a fast gzip decompressor, gun.c, to examples (use of inflateBack)
- Remove an incorrect assertion in examples/zpipe.c
- Add C++ wrapper in infback9.h [Donais]
- Fix bug in inflateCopy() when decoding fixed codes
- Note in zlib.h how much deflateSetDictionary() actually uses
- Remove USE_DICT_HEAD in deflate.c (would mess up inflate if used)
- Add _WIN32_WCE to define WIN32 in zconf.in.h [Spencer]
- Don't include stderr.h or errno.h for _WIN32_WCE in zutil.h [Spencer]
- Add gzdirect() function to indicate transparent reads
- Update contrib/minizip [Vollant]
- Fix compilation of deflate.c when both ASMV and FASTEST [Oberhumer]
- Add casts in crc32.c to avoid warnings [Oberhumer]
- Add contrib/masmx64 [Vollant]
- Update contrib/asm586, asm686, masmx86, testzlib, vstudio [Vollant]
Changes in 1.2.2.2 (30 December 2004)
- Replace structure assignments in deflate.c and inflate.c with zmemcpy to
avoid implicit memcpy calls (portability for no-library compilation)
- Increase sprintf() buffer size in gzdopen() to allow for large numbers
- Add INFLATE_STRICT to check distances against zlib header
- Improve WinCE errno handling and comments [Chang]
- Remove comment about no gzip header processing in FAQ
- Add Z_FIXED strategy option to deflateInit2() to force fixed trees
- Add updated make_vms.com [Coghlan], update README
- Create a new "examples" directory, move gzappend.c there, add zpipe.c,
fitblk.c, gzlog.[ch], gzjoin.c, and zlib_how.html.
- Add FAQ entry and comments in deflate.c on uninitialized memory access
- Add Solaris 9 make options in configure [Gilbert]
- Allow strerror() usage in gzio.c for STDC
- Fix DecompressBuf in contrib/delphi/ZLib.pas [ManChesTer]
- Update contrib/masmx86/inffas32.asm and gvmat32.asm [Vollant]
- Use z_off_t for adler32_combine() and crc32_combine() lengths
- Make adler32() much faster for small len
- Use OS_CODE in deflate() default gzip header
Changes in 1.2.2.1 (31 October 2004)
- Allow inflateSetDictionary() call for raw inflate
- Fix inflate header crc check bug for file names and comments
- Add deflateSetHeader() and gz_header structure for custom gzip headers
- Add inflateGetheader() to retrieve gzip headers
- Add crc32_combine() and adler32_combine() functions
- Add alloc_func, free_func, in_func, out_func to Z_PREFIX list
- Use zstreamp consistently in zlib.h (inflate_back functions)
- Remove GUNZIP condition from definition of inflate_mode in inflate.h
and in contrib/inflate86/inffast.S [Truta, Anderson]
- Add support for AMD64 in contrib/inflate86/inffas86.c [Anderson]
- Update projects/README.projects and projects/visualc6 [Truta]
- Update win32/DLL_FAQ.txt [Truta]
- Avoid warning under NO_GZCOMPRESS in gzio.c; fix typo [Truta]
- Deprecate Z_ASCII; use Z_TEXT instead [Truta]
- Use a new algorithm for setting strm->data_type in trees.c [Truta]
- Do not define an exit() prototype in zutil.c unless DEBUG defined
- Remove prototype of exit() from zutil.c, example.c, minigzip.c [Truta]
- Add comment in zlib.h for Z_NO_FLUSH parameter to deflate()
- Fix Darwin build version identification [Peterson]
Changes in 1.2.2 (3 October 2004)
- Update zlib.h comments on gzip in-memory processing
- Set adler to 1 in inflateReset() to support Java test suite [Walles]
- Add contrib/dotzlib [Ravn]
- Update win32/DLL_FAQ.txt [Truta]
- Update contrib/minizip [Vollant]
- Move contrib/visual-basic.txt to old/ [Truta]
- Fix assembler builds in projects/visualc6/ [Truta]
Changes in 1.2.1.2 (9 September 2004)
- Update INDEX file
- Fix trees.c to update strm->data_type (no one ever noticed!)
- Fix bug in error case in inflate.c, infback.c, and infback9.c [Brown]
- Add "volatile" to crc table flag declaration (for DYNAMIC_CRC_TABLE)
- Add limited multitasking protection to DYNAMIC_CRC_TABLE
- Add NO_vsnprintf for VMS in zutil.h [Mozilla]
- Don't declare strerror() under VMS [Mozilla]
- Add comment to DYNAMIC_CRC_TABLE to use get_crc_table() to initialize
- Update contrib/ada [Anisimkov]
- Update contrib/minizip [Vollant]
- Fix configure to not hardcode directories for Darwin [Peterson]
- Fix gzio.c to not return error on empty files [Brown]
- Fix indentation; update version in contrib/delphi/ZLib.pas and
contrib/pascal/zlibpas.pas [Truta]
- Update mkasm.bat in contrib/masmx86 [Truta]
- Update contrib/untgz [Truta]
- Add projects/README.projects [Truta]
- Add project for MS Visual C++ 6.0 in projects/visualc6 [Cadieux, Truta]
- Update win32/DLL_FAQ.txt [Truta]
- Update list of Z_PREFIX symbols in zconf.h [Randers-Pehrson, Truta]
- Remove an unnecessary assignment to curr in inftrees.c [Truta]
- Add OS/2 to exe builds in configure [Poltorak]
- Remove err dummy parameter in zlib.h [Kientzle]
Changes in 1.2.1.1 (9 January 2004)
- Update email address in README
- Several FAQ updates
- Fix a big fat bug in inftrees.c that prevented decoding valid
dynamic blocks with only literals and no distance codes --
Thanks to "Hot Emu" for the bug report and sample file
- Add a note to puff.c on no distance codes case.
Changes in 1.2.1 (17 November 2003)
- Remove a tab in contrib/gzappend/gzappend.c
- Update some interfaces in contrib for new zlib functions
- Update zlib version number in some contrib entries
- Add Windows CE definition for ptrdiff_t in zutil.h [Mai, Truta]
- Support shared libraries on Hurd and KFreeBSD [Brown]
- Fix error in NO_DIVIDE option of adler32.c
Changes in 1.2.0.8 (4 November 2003)
- Update version in contrib/delphi/ZLib.pas and contrib/pascal/zlibpas.pas
- Add experimental NO_DIVIDE #define in adler32.c
- Possibly faster on some processors (let me know if it is)
- Correct Z_BLOCK to not return on first inflate call if no wrap
- Fix strm->data_type on inflate() return to correctly indicate EOB
- Add deflatePrime() function for appending in the middle of a byte
- Add contrib/gzappend for an example of appending to a stream
- Update win32/DLL_FAQ.txt [Truta]
- Delete Turbo C comment in README [Truta]
- Improve some indentation in zconf.h [Truta]
- Fix infinite loop on bad input in configure script [Church]
- Fix gzeof() for concatenated gzip files [Johnson]
- Add example to contrib/visual-basic.txt [Michael B.]
- Add -p to mkdir's in Makefile.in [vda]
- Fix configure to properly detect presence or lack of printf functions
- Add AS400 support [Monnerat]
- Add a little Cygwin support [Wilson]
Changes in 1.2.0.7 (21 September 2003)
- Correct some debug formats in contrib/infback9
- Cast a type in a debug statement in trees.c
- Change search and replace delimiter in configure from % to # [Beebe]
- Update contrib/untgz to 0.2 with various fixes [Truta]
- Add build support for Amiga [Nikl]
- Remove some directories in old that have been updated to 1.2
- Add dylib building for Mac OS X in configure and Makefile.in
- Remove old distribution stuff from Makefile
- Update README to point to DLL_FAQ.txt, and add comment on Mac OS X
- Update links in README
Changes in 1.2.0.6 (13 September 2003)
- Minor FAQ updates
- Update contrib/minizip to 1.00 [Vollant]
- Remove test of gz functions in example.c when GZ_COMPRESS defined [Truta]
- Update POSTINC comment for 68060 [Nikl]
- Add contrib/infback9 with deflate64 decoding (unsupported)
- For MVS define NO_vsnprintf and undefine FAR [van Burik]
- Add pragma for fdopen on MVS [van Burik]
Changes in 1.2.0.5 (8 September 2003)
- Add OF to inflateBackEnd() declaration in zlib.h
- Remember start when using gzdopen in the middle of a file
- Use internal off_t counters in gz* functions to properly handle seeks
- Perform more rigorous check for distance-too-far in inffast.c
- Add Z_BLOCK flush option to return from inflate at block boundary
- Set strm->data_type on return from inflate
- Indicate bits unused, if at block boundary, and if in last block
- Replace size_t with ptrdiff_t in crc32.c, and check for correct size
- Add condition so old NO_DEFLATE define still works for compatibility
- FAQ update regarding the Windows DLL [Truta]
- INDEX update: add qnx entry, remove aix entry [Truta]
- Install zlib.3 into mandir [Wilson]
- Move contrib/zlib_dll_FAQ.txt to win32/DLL_FAQ.txt; update [Truta]
- Adapt the zlib interface to the new DLL convention guidelines [Truta]
- Introduce ZLIB_WINAPI macro to allow the export of functions using
the WINAPI calling convention, for Visual Basic [Vollant, Truta]
- Update msdos and win32 scripts and makefiles [Truta]
- Export symbols by name, not by ordinal, in win32/zlib.def [Truta]
- Add contrib/ada [Anisimkov]
- Move asm files from contrib/vstudio/vc70_32 to contrib/asm386 [Truta]
- Rename contrib/asm386 to contrib/masmx86 [Truta, Vollant]
- Add contrib/masm686 [Truta]
- Fix offsets in contrib/inflate86 and contrib/masmx86/inffas32.asm
[Truta, Vollant]
- Update contrib/delphi; rename to contrib/pascal; add example [Truta]
- Remove contrib/delphi2; add a new contrib/delphi [Truta]
- Avoid inclusion of the nonstandard <memory.h> in contrib/iostream,
and fix some method prototypes [Truta]
- Fix the ZCR_SEED2 constant to avoid warnings in contrib/minizip
[Truta]
- Avoid the use of backslash (\) in contrib/minizip [Vollant]
- Fix file time handling in contrib/untgz; update makefiles [Truta]
- Update contrib/vstudio/vc70_32 to comply with the new DLL guidelines
[Vollant]
- Remove contrib/vstudio/vc15_16 [Vollant]
- Rename contrib/vstudio/vc70_32 to contrib/vstudio/vc7 [Truta]
- Update README.contrib [Truta]
- Invert the assignment order of match_head and s->prev[...] in
INSERT_STRING [Truta]
- Compare TOO_FAR with 32767 instead of 32768, to avoid 16-bit warnings
[Truta]
- Compare function pointers with 0, not with NULL or Z_NULL [Truta]
- Fix prototype of syncsearch in inflate.c [Truta]
- Introduce ASMINF macro to be enabled when using an ASM implementation
of inflate_fast [Truta]
- Change NO_DEFLATE to NO_GZCOMPRESS [Truta]
- Modify test_gzio in example.c to take a single file name as a
parameter [Truta]
- Exit the example.c program if gzopen fails [Truta]
- Add type casts around strlen in example.c [Truta]
- Remove casting to sizeof in minigzip.c; give a proper type
to the variable compared with SUFFIX_LEN [Truta]
- Update definitions of STDC and STDC99 in zconf.h [Truta]
- Synchronize zconf.h with the new Windows DLL interface [Truta]
- Use SYS16BIT instead of __32BIT__ to distinguish between
16- and 32-bit platforms [Truta]
- Use far memory allocators in small 16-bit memory models for
Turbo C [Truta]
- Add info about the use of ASMV, ASMINF and ZLIB_WINAPI in
zlibCompileFlags [Truta]
- Cygwin has vsnprintf [Wilson]
- In Windows16, OS_CODE is 0, as in MSDOS [Truta]
- In Cygwin, OS_CODE is 3 (Unix), not 11 (Windows32) [Wilson]
Changes in 1.2.0.4 (10 August 2003)
- Minor FAQ updates
- Be more strict when checking inflateInit2's windowBits parameter
- Change NO_GUNZIP compile option to NO_GZIP to cover deflate as well
- Add gzip wrapper option to deflateInit2 using windowBits
- Add updated QNX rule in configure and qnx directory [Bonnefoy]
- Make inflate distance-too-far checks more rigorous
- Clean up FAR usage in inflate
- Add casting to sizeof() in gzio.c and minigzip.c
Changes in 1.2.0.3 (19 July 2003)
- Fix silly error in gzungetc() implementation [Vollant]
- Update contrib/minizip and contrib/vstudio [Vollant]
- Fix printf format in example.c
- Correct cdecl support in zconf.in.h [Anisimkov]
- Minor FAQ updates
Changes in 1.2.0.2 (13 July 2003)
- Add ZLIB_VERNUM in zlib.h for numerical preprocessor comparisons
- Attempt to avoid warnings in crc32.c for pointer-int conversion
- Add AIX to configure, remove aix directory [Bakker]
- Add some casts to minigzip.c
- Improve checking after insecure sprintf() or vsprintf() calls
- Remove #elif's from crc32.c
- Change leave label to inf_leave in inflate.c and infback.c to avoid
library conflicts
- Remove inflate gzip decoding by default--only enable gzip decoding by
special request for stricter backward compatibility
- Add zlibCompileFlags() function to return compilation information
- More typecasting in deflate.c to avoid warnings
- Remove leading underscore from _Capital #defines [Truta]
- Fix configure to link shared library when testing
- Add some Windows CE target adjustments [Mai]
- Remove #define ZLIB_DLL in zconf.h [Vollant]
- Add zlib.3 [Rodgers]
- Update RFC URL in deflate.c and algorithm.txt [Mai]
- Add zlib_dll_FAQ.txt to contrib [Truta]
- Add UL to some constants [Truta]
- Update minizip and vstudio [Vollant]
- Remove vestigial NEED_DUMMY_RETURN from zconf.in.h
- Expand use of NO_DUMMY_DECL to avoid all dummy structures
- Added iostream3 to contrib [Schwardt]
- Replace rewind() with fseek() for WinCE [Truta]
- Improve setting of zlib format compression level flags
- Report 0 for huffman and rle strategies and for level == 0 or 1
- Report 2 only for level == 6
- Only deal with 64K limit when necessary at compile time [Truta]
- Allow TOO_FAR check to be turned off at compile time [Truta]
- Add gzclearerr() function [Souza]
- Add gzungetc() function
Changes in 1.2.0.1 (17 March 2003)
- Add Z_RLE strategy for run-length encoding [Truta]
- When Z_RLE requested, restrict matches to distance one
- Update zlib.h, minigzip.c, gzopen(), gzdopen() for Z_RLE
- Correct FASTEST compilation to allow level == 0
- Clean up what gets compiled for FASTEST
- Incorporate changes to zconf.in.h [Vollant]
- Refine detection of Turbo C need for dummy returns
- Refine ZLIB_DLL compilation
- Include additional header file on VMS for off_t typedef
- Try to use _vsnprintf where it supplants vsprintf [Vollant]
- Add some casts in inffast.c
- Enchance comments in zlib.h on what happens if gzprintf() tries to
write more than 4095 bytes before compression
- Remove unused state from inflateBackEnd()
- Remove exit(0) from minigzip.c, example.c
- Get rid of all those darn tabs
- Add "check" target to Makefile.in that does the same thing as "test"
- Add "mostlyclean" and "maintainer-clean" targets to Makefile.in
- Update contrib/inflate86 [Anderson]
- Update contrib/testzlib, contrib/vstudio, contrib/minizip [Vollant]
- Add msdos and win32 directories with makefiles [Truta]
- More additions and improvements to the FAQ
Changes in 1.2.0 (9 March 2003)
- New and improved inflate code
- About 20% faster
- Does not allocate 32K window unless and until needed
- Automatically detects and decompresses gzip streams
- Raw inflate no longer needs an extra dummy byte at end
- Added inflateBack functions using a callback interface--even faster
than inflate, useful for file utilities (gzip, zip)
- Added inflateCopy() function to record state for random access on
externally generated deflate streams (e.g. in gzip files)
- More readable code (I hope)
- New and improved crc32()
- About 50% faster, thanks to suggestions from Rodney Brown
- Add deflateBound() and compressBound() functions
- Fix memory leak in deflateInit2()
- Permit setting dictionary for raw deflate (for parallel deflate)
- Fix const declaration for gzwrite()
- Check for some malloc() failures in gzio.c
- Fix bug in gzopen() on single-byte file 0x1f
- Fix bug in gzread() on concatenated file with 0x1f at end of buffer
and next buffer doesn't start with 0x8b
- Fix uncompress() to return Z_DATA_ERROR on truncated input
- Free memory at end of example.c
- Remove MAX #define in trees.c (conflicted with some libraries)
- Fix static const's in deflate.c, gzio.c, and zutil.[ch]
- Declare malloc() and free() in gzio.c if STDC not defined
- Use malloc() instead of calloc() in zutil.c if int big enough
- Define STDC for AIX
- Add aix/ with approach for compiling shared library on AIX
- Add HP-UX support for shared libraries in configure
- Add OpenUNIX support for shared libraries in configure
- Use $cc instead of gcc to build shared library
- Make prefix directory if needed when installing
- Correct Macintosh avoidance of typedef Byte in zconf.h
- Correct Turbo C memory allocation when under Linux
- Use libz.a instead of -lz in Makefile (assure use of compiled library)
- Update configure to check for snprintf or vsnprintf functions and their
return value, warn during make if using an insecure function
- Fix configure problem with compile-time knowledge of HAVE_UNISTD_H that
is lost when library is used--resolution is to build new zconf.h
- Documentation improvements (in zlib.h):
- Document raw deflate and inflate
- Update RFCs URL
- Point out that zlib and gzip formats are different
- Note that Z_BUF_ERROR is not fatal
- Document string limit for gzprintf() and possible buffer overflow
- Note requirement on avail_out when flushing
- Note permitted values of flush parameter of inflate()
- Add some FAQs (and even answers) to the FAQ
- Add contrib/inflate86/ for x86 faster inflate
- Add contrib/blast/ for PKWare Data Compression Library decompression
- Add contrib/puff/ simple inflate for deflate format description
svn path=/trunk/; revision=25342
2007-01-07 15:56:49 +00:00
|
|
|
case 2: break;
|
|
|
|
case 4: flags += 1 << 6; break;
|
|
|
|
case 8: flags += 2 << 6; break;
|
|
|
|
default: flags += 3 << 6;
|
|
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
|
|
flags += 1 << 8;
|
|
|
|
#endif
|
|
|
|
#if defined(ASMV) || defined(ASMINF)
|
|
|
|
flags += 1 << 9;
|
|
|
|
#endif
|
|
|
|
#ifdef ZLIB_WINAPI
|
|
|
|
flags += 1 << 10;
|
|
|
|
#endif
|
|
|
|
#ifdef BUILDFIXED
|
|
|
|
flags += 1 << 12;
|
|
|
|
#endif
|
|
|
|
#ifdef DYNAMIC_CRC_TABLE
|
|
|
|
flags += 1 << 13;
|
|
|
|
#endif
|
|
|
|
#ifdef NO_GZCOMPRESS
|
|
|
|
flags += 1L << 16;
|
|
|
|
#endif
|
|
|
|
#ifdef NO_GZIP
|
|
|
|
flags += 1L << 17;
|
|
|
|
#endif
|
|
|
|
#ifdef PKZIP_BUG_WORKAROUND
|
|
|
|
flags += 1L << 20;
|
|
|
|
#endif
|
|
|
|
#ifdef FASTEST
|
|
|
|
flags += 1L << 21;
|
|
|
|
#endif
|
|
|
|
#ifdef STDC
|
|
|
|
# ifdef NO_vsnprintf
|
|
|
|
flags += 1L << 25;
|
|
|
|
# ifdef HAS_vsprintf_void
|
|
|
|
flags += 1L << 26;
|
|
|
|
# endif
|
|
|
|
# else
|
|
|
|
# ifdef HAS_vsnprintf_void
|
|
|
|
flags += 1L << 26;
|
|
|
|
# endif
|
|
|
|
# endif
|
|
|
|
#else
|
|
|
|
flags += 1L << 24;
|
|
|
|
# ifdef NO_snprintf
|
|
|
|
flags += 1L << 25;
|
|
|
|
# ifdef HAS_sprintf_void
|
|
|
|
flags += 1L << 26;
|
|
|
|
# endif
|
|
|
|
# else
|
|
|
|
# ifdef HAS_snprintf_void
|
|
|
|
flags += 1L << 26;
|
|
|
|
# endif
|
|
|
|
# endif
|
|
|
|
#endif
|
|
|
|
return flags;
|
|
|
|
}
|
|
|
|
|
2002-03-17 21:05:05 +00:00
|
|
|
#ifdef DEBUG
|
|
|
|
|
|
|
|
# ifndef verbose
|
|
|
|
# define verbose 0
|
|
|
|
# endif
|
2010-07-03 22:34:05 +00:00
|
|
|
int ZLIB_INTERNAL z_verbose = verbose;
|
2002-03-17 21:05:05 +00:00
|
|
|
|
2010-07-03 22:34:05 +00:00
|
|
|
void ZLIB_INTERNAL z_error (m)
|
2002-03-17 21:05:05 +00:00
|
|
|
char *m;
|
|
|
|
{
|
|
|
|
fprintf(stderr, "%s\n", m);
|
|
|
|
exit(1);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/* exported to allow conversion of error code to string for compress() and
|
|
|
|
* uncompress()
|
|
|
|
*/
|
|
|
|
const char * ZEXPORT zError(err)
|
|
|
|
int err;
|
|
|
|
{
|
|
|
|
return ERR_MSG(err);
|
|
|
|
}
|
|
|
|
|
update from zlib 1.1.4 to 1.2.3
ChangeLog file for zlib
Changes in 1.2.3 (18 July 2005)
- Apply security vulnerability fixes to contrib/infback9 as well
- Clean up some text files (carriage returns, trailing space)
- Update testzlib, vstudio, masmx64, and masmx86 in contrib [Vollant]
Changes in 1.2.2.4 (11 July 2005)
- Add inflatePrime() function for starting inflation at bit boundary
- Avoid some Visual C warnings in deflate.c
- Avoid more silly Visual C warnings in inflate.c and inftrees.c for 64-bit
compile
- Fix some spelling errors in comments [Betts]
- Correct inflateInit2() error return documentation in zlib.h
- Added zran.c example of compressed data random access to examples
directory, shows use of inflatePrime()
- Fix cast for assignments to strm->state in inflate.c and infback.c
- Fix zlibCompileFlags() in zutil.c to use 1L for long shifts [Oberhumer]
- Move declarations of gf2 functions to right place in crc32.c [Oberhumer]
- Add cast in trees.c t avoid a warning [Oberhumer]
- Avoid some warnings in fitblk.c, gun.c, gzjoin.c in examples [Oberhumer]
- Update make_vms.com [Zinser]
- Initialize state->write in inflateReset() since copied in inflate_fast()
- Be more strict on incomplete code sets in inflate_table() and increase
ENOUGH and MAXD -- this repairs a possible security vulnerability for
invalid inflate input. Thanks to Tavis Ormandy and Markus Oberhumer for
discovering the vulnerability and providing test cases.
- Add ia64 support to configure for HP-UX [Smith]
- Add error return to gzread() for format or i/o error [Levin]
- Use malloc.h for OS/2 [Necasek]
Changes in 1.2.2.3 (27 May 2005)
- Replace 1U constants in inflate.c and inftrees.c for 64-bit compile
- Typecast fread() return values in gzio.c [Vollant]
- Remove trailing space in minigzip.c outmode (VC++ can't deal with it)
- Fix crc check bug in gzread() after gzungetc() [Heiner]
- Add the deflateTune() function to adjust internal compression parameters
- Add a fast gzip decompressor, gun.c, to examples (use of inflateBack)
- Remove an incorrect assertion in examples/zpipe.c
- Add C++ wrapper in infback9.h [Donais]
- Fix bug in inflateCopy() when decoding fixed codes
- Note in zlib.h how much deflateSetDictionary() actually uses
- Remove USE_DICT_HEAD in deflate.c (would mess up inflate if used)
- Add _WIN32_WCE to define WIN32 in zconf.in.h [Spencer]
- Don't include stderr.h or errno.h for _WIN32_WCE in zutil.h [Spencer]
- Add gzdirect() function to indicate transparent reads
- Update contrib/minizip [Vollant]
- Fix compilation of deflate.c when both ASMV and FASTEST [Oberhumer]
- Add casts in crc32.c to avoid warnings [Oberhumer]
- Add contrib/masmx64 [Vollant]
- Update contrib/asm586, asm686, masmx86, testzlib, vstudio [Vollant]
Changes in 1.2.2.2 (30 December 2004)
- Replace structure assignments in deflate.c and inflate.c with zmemcpy to
avoid implicit memcpy calls (portability for no-library compilation)
- Increase sprintf() buffer size in gzdopen() to allow for large numbers
- Add INFLATE_STRICT to check distances against zlib header
- Improve WinCE errno handling and comments [Chang]
- Remove comment about no gzip header processing in FAQ
- Add Z_FIXED strategy option to deflateInit2() to force fixed trees
- Add updated make_vms.com [Coghlan], update README
- Create a new "examples" directory, move gzappend.c there, add zpipe.c,
fitblk.c, gzlog.[ch], gzjoin.c, and zlib_how.html.
- Add FAQ entry and comments in deflate.c on uninitialized memory access
- Add Solaris 9 make options in configure [Gilbert]
- Allow strerror() usage in gzio.c for STDC
- Fix DecompressBuf in contrib/delphi/ZLib.pas [ManChesTer]
- Update contrib/masmx86/inffas32.asm and gvmat32.asm [Vollant]
- Use z_off_t for adler32_combine() and crc32_combine() lengths
- Make adler32() much faster for small len
- Use OS_CODE in deflate() default gzip header
Changes in 1.2.2.1 (31 October 2004)
- Allow inflateSetDictionary() call for raw inflate
- Fix inflate header crc check bug for file names and comments
- Add deflateSetHeader() and gz_header structure for custom gzip headers
- Add inflateGetheader() to retrieve gzip headers
- Add crc32_combine() and adler32_combine() functions
- Add alloc_func, free_func, in_func, out_func to Z_PREFIX list
- Use zstreamp consistently in zlib.h (inflate_back functions)
- Remove GUNZIP condition from definition of inflate_mode in inflate.h
and in contrib/inflate86/inffast.S [Truta, Anderson]
- Add support for AMD64 in contrib/inflate86/inffas86.c [Anderson]
- Update projects/README.projects and projects/visualc6 [Truta]
- Update win32/DLL_FAQ.txt [Truta]
- Avoid warning under NO_GZCOMPRESS in gzio.c; fix typo [Truta]
- Deprecate Z_ASCII; use Z_TEXT instead [Truta]
- Use a new algorithm for setting strm->data_type in trees.c [Truta]
- Do not define an exit() prototype in zutil.c unless DEBUG defined
- Remove prototype of exit() from zutil.c, example.c, minigzip.c [Truta]
- Add comment in zlib.h for Z_NO_FLUSH parameter to deflate()
- Fix Darwin build version identification [Peterson]
Changes in 1.2.2 (3 October 2004)
- Update zlib.h comments on gzip in-memory processing
- Set adler to 1 in inflateReset() to support Java test suite [Walles]
- Add contrib/dotzlib [Ravn]
- Update win32/DLL_FAQ.txt [Truta]
- Update contrib/minizip [Vollant]
- Move contrib/visual-basic.txt to old/ [Truta]
- Fix assembler builds in projects/visualc6/ [Truta]
Changes in 1.2.1.2 (9 September 2004)
- Update INDEX file
- Fix trees.c to update strm->data_type (no one ever noticed!)
- Fix bug in error case in inflate.c, infback.c, and infback9.c [Brown]
- Add "volatile" to crc table flag declaration (for DYNAMIC_CRC_TABLE)
- Add limited multitasking protection to DYNAMIC_CRC_TABLE
- Add NO_vsnprintf for VMS in zutil.h [Mozilla]
- Don't declare strerror() under VMS [Mozilla]
- Add comment to DYNAMIC_CRC_TABLE to use get_crc_table() to initialize
- Update contrib/ada [Anisimkov]
- Update contrib/minizip [Vollant]
- Fix configure to not hardcode directories for Darwin [Peterson]
- Fix gzio.c to not return error on empty files [Brown]
- Fix indentation; update version in contrib/delphi/ZLib.pas and
contrib/pascal/zlibpas.pas [Truta]
- Update mkasm.bat in contrib/masmx86 [Truta]
- Update contrib/untgz [Truta]
- Add projects/README.projects [Truta]
- Add project for MS Visual C++ 6.0 in projects/visualc6 [Cadieux, Truta]
- Update win32/DLL_FAQ.txt [Truta]
- Update list of Z_PREFIX symbols in zconf.h [Randers-Pehrson, Truta]
- Remove an unnecessary assignment to curr in inftrees.c [Truta]
- Add OS/2 to exe builds in configure [Poltorak]
- Remove err dummy parameter in zlib.h [Kientzle]
Changes in 1.2.1.1 (9 January 2004)
- Update email address in README
- Several FAQ updates
- Fix a big fat bug in inftrees.c that prevented decoding valid
dynamic blocks with only literals and no distance codes --
Thanks to "Hot Emu" for the bug report and sample file
- Add a note to puff.c on no distance codes case.
Changes in 1.2.1 (17 November 2003)
- Remove a tab in contrib/gzappend/gzappend.c
- Update some interfaces in contrib for new zlib functions
- Update zlib version number in some contrib entries
- Add Windows CE definition for ptrdiff_t in zutil.h [Mai, Truta]
- Support shared libraries on Hurd and KFreeBSD [Brown]
- Fix error in NO_DIVIDE option of adler32.c
Changes in 1.2.0.8 (4 November 2003)
- Update version in contrib/delphi/ZLib.pas and contrib/pascal/zlibpas.pas
- Add experimental NO_DIVIDE #define in adler32.c
- Possibly faster on some processors (let me know if it is)
- Correct Z_BLOCK to not return on first inflate call if no wrap
- Fix strm->data_type on inflate() return to correctly indicate EOB
- Add deflatePrime() function for appending in the middle of a byte
- Add contrib/gzappend for an example of appending to a stream
- Update win32/DLL_FAQ.txt [Truta]
- Delete Turbo C comment in README [Truta]
- Improve some indentation in zconf.h [Truta]
- Fix infinite loop on bad input in configure script [Church]
- Fix gzeof() for concatenated gzip files [Johnson]
- Add example to contrib/visual-basic.txt [Michael B.]
- Add -p to mkdir's in Makefile.in [vda]
- Fix configure to properly detect presence or lack of printf functions
- Add AS400 support [Monnerat]
- Add a little Cygwin support [Wilson]
Changes in 1.2.0.7 (21 September 2003)
- Correct some debug formats in contrib/infback9
- Cast a type in a debug statement in trees.c
- Change search and replace delimiter in configure from % to # [Beebe]
- Update contrib/untgz to 0.2 with various fixes [Truta]
- Add build support for Amiga [Nikl]
- Remove some directories in old that have been updated to 1.2
- Add dylib building for Mac OS X in configure and Makefile.in
- Remove old distribution stuff from Makefile
- Update README to point to DLL_FAQ.txt, and add comment on Mac OS X
- Update links in README
Changes in 1.2.0.6 (13 September 2003)
- Minor FAQ updates
- Update contrib/minizip to 1.00 [Vollant]
- Remove test of gz functions in example.c when GZ_COMPRESS defined [Truta]
- Update POSTINC comment for 68060 [Nikl]
- Add contrib/infback9 with deflate64 decoding (unsupported)
- For MVS define NO_vsnprintf and undefine FAR [van Burik]
- Add pragma for fdopen on MVS [van Burik]
Changes in 1.2.0.5 (8 September 2003)
- Add OF to inflateBackEnd() declaration in zlib.h
- Remember start when using gzdopen in the middle of a file
- Use internal off_t counters in gz* functions to properly handle seeks
- Perform more rigorous check for distance-too-far in inffast.c
- Add Z_BLOCK flush option to return from inflate at block boundary
- Set strm->data_type on return from inflate
- Indicate bits unused, if at block boundary, and if in last block
- Replace size_t with ptrdiff_t in crc32.c, and check for correct size
- Add condition so old NO_DEFLATE define still works for compatibility
- FAQ update regarding the Windows DLL [Truta]
- INDEX update: add qnx entry, remove aix entry [Truta]
- Install zlib.3 into mandir [Wilson]
- Move contrib/zlib_dll_FAQ.txt to win32/DLL_FAQ.txt; update [Truta]
- Adapt the zlib interface to the new DLL convention guidelines [Truta]
- Introduce ZLIB_WINAPI macro to allow the export of functions using
the WINAPI calling convention, for Visual Basic [Vollant, Truta]
- Update msdos and win32 scripts and makefiles [Truta]
- Export symbols by name, not by ordinal, in win32/zlib.def [Truta]
- Add contrib/ada [Anisimkov]
- Move asm files from contrib/vstudio/vc70_32 to contrib/asm386 [Truta]
- Rename contrib/asm386 to contrib/masmx86 [Truta, Vollant]
- Add contrib/masm686 [Truta]
- Fix offsets in contrib/inflate86 and contrib/masmx86/inffas32.asm
[Truta, Vollant]
- Update contrib/delphi; rename to contrib/pascal; add example [Truta]
- Remove contrib/delphi2; add a new contrib/delphi [Truta]
- Avoid inclusion of the nonstandard <memory.h> in contrib/iostream,
and fix some method prototypes [Truta]
- Fix the ZCR_SEED2 constant to avoid warnings in contrib/minizip
[Truta]
- Avoid the use of backslash (\) in contrib/minizip [Vollant]
- Fix file time handling in contrib/untgz; update makefiles [Truta]
- Update contrib/vstudio/vc70_32 to comply with the new DLL guidelines
[Vollant]
- Remove contrib/vstudio/vc15_16 [Vollant]
- Rename contrib/vstudio/vc70_32 to contrib/vstudio/vc7 [Truta]
- Update README.contrib [Truta]
- Invert the assignment order of match_head and s->prev[...] in
INSERT_STRING [Truta]
- Compare TOO_FAR with 32767 instead of 32768, to avoid 16-bit warnings
[Truta]
- Compare function pointers with 0, not with NULL or Z_NULL [Truta]
- Fix prototype of syncsearch in inflate.c [Truta]
- Introduce ASMINF macro to be enabled when using an ASM implementation
of inflate_fast [Truta]
- Change NO_DEFLATE to NO_GZCOMPRESS [Truta]
- Modify test_gzio in example.c to take a single file name as a
parameter [Truta]
- Exit the example.c program if gzopen fails [Truta]
- Add type casts around strlen in example.c [Truta]
- Remove casting to sizeof in minigzip.c; give a proper type
to the variable compared with SUFFIX_LEN [Truta]
- Update definitions of STDC and STDC99 in zconf.h [Truta]
- Synchronize zconf.h with the new Windows DLL interface [Truta]
- Use SYS16BIT instead of __32BIT__ to distinguish between
16- and 32-bit platforms [Truta]
- Use far memory allocators in small 16-bit memory models for
Turbo C [Truta]
- Add info about the use of ASMV, ASMINF and ZLIB_WINAPI in
zlibCompileFlags [Truta]
- Cygwin has vsnprintf [Wilson]
- In Windows16, OS_CODE is 0, as in MSDOS [Truta]
- In Cygwin, OS_CODE is 3 (Unix), not 11 (Windows32) [Wilson]
Changes in 1.2.0.4 (10 August 2003)
- Minor FAQ updates
- Be more strict when checking inflateInit2's windowBits parameter
- Change NO_GUNZIP compile option to NO_GZIP to cover deflate as well
- Add gzip wrapper option to deflateInit2 using windowBits
- Add updated QNX rule in configure and qnx directory [Bonnefoy]
- Make inflate distance-too-far checks more rigorous
- Clean up FAR usage in inflate
- Add casting to sizeof() in gzio.c and minigzip.c
Changes in 1.2.0.3 (19 July 2003)
- Fix silly error in gzungetc() implementation [Vollant]
- Update contrib/minizip and contrib/vstudio [Vollant]
- Fix printf format in example.c
- Correct cdecl support in zconf.in.h [Anisimkov]
- Minor FAQ updates
Changes in 1.2.0.2 (13 July 2003)
- Add ZLIB_VERNUM in zlib.h for numerical preprocessor comparisons
- Attempt to avoid warnings in crc32.c for pointer-int conversion
- Add AIX to configure, remove aix directory [Bakker]
- Add some casts to minigzip.c
- Improve checking after insecure sprintf() or vsprintf() calls
- Remove #elif's from crc32.c
- Change leave label to inf_leave in inflate.c and infback.c to avoid
library conflicts
- Remove inflate gzip decoding by default--only enable gzip decoding by
special request for stricter backward compatibility
- Add zlibCompileFlags() function to return compilation information
- More typecasting in deflate.c to avoid warnings
- Remove leading underscore from _Capital #defines [Truta]
- Fix configure to link shared library when testing
- Add some Windows CE target adjustments [Mai]
- Remove #define ZLIB_DLL in zconf.h [Vollant]
- Add zlib.3 [Rodgers]
- Update RFC URL in deflate.c and algorithm.txt [Mai]
- Add zlib_dll_FAQ.txt to contrib [Truta]
- Add UL to some constants [Truta]
- Update minizip and vstudio [Vollant]
- Remove vestigial NEED_DUMMY_RETURN from zconf.in.h
- Expand use of NO_DUMMY_DECL to avoid all dummy structures
- Added iostream3 to contrib [Schwardt]
- Replace rewind() with fseek() for WinCE [Truta]
- Improve setting of zlib format compression level flags
- Report 0 for huffman and rle strategies and for level == 0 or 1
- Report 2 only for level == 6
- Only deal with 64K limit when necessary at compile time [Truta]
- Allow TOO_FAR check to be turned off at compile time [Truta]
- Add gzclearerr() function [Souza]
- Add gzungetc() function
Changes in 1.2.0.1 (17 March 2003)
- Add Z_RLE strategy for run-length encoding [Truta]
- When Z_RLE requested, restrict matches to distance one
- Update zlib.h, minigzip.c, gzopen(), gzdopen() for Z_RLE
- Correct FASTEST compilation to allow level == 0
- Clean up what gets compiled for FASTEST
- Incorporate changes to zconf.in.h [Vollant]
- Refine detection of Turbo C need for dummy returns
- Refine ZLIB_DLL compilation
- Include additional header file on VMS for off_t typedef
- Try to use _vsnprintf where it supplants vsprintf [Vollant]
- Add some casts in inffast.c
- Enchance comments in zlib.h on what happens if gzprintf() tries to
write more than 4095 bytes before compression
- Remove unused state from inflateBackEnd()
- Remove exit(0) from minigzip.c, example.c
- Get rid of all those darn tabs
- Add "check" target to Makefile.in that does the same thing as "test"
- Add "mostlyclean" and "maintainer-clean" targets to Makefile.in
- Update contrib/inflate86 [Anderson]
- Update contrib/testzlib, contrib/vstudio, contrib/minizip [Vollant]
- Add msdos and win32 directories with makefiles [Truta]
- More additions and improvements to the FAQ
Changes in 1.2.0 (9 March 2003)
- New and improved inflate code
- About 20% faster
- Does not allocate 32K window unless and until needed
- Automatically detects and decompresses gzip streams
- Raw inflate no longer needs an extra dummy byte at end
- Added inflateBack functions using a callback interface--even faster
than inflate, useful for file utilities (gzip, zip)
- Added inflateCopy() function to record state for random access on
externally generated deflate streams (e.g. in gzip files)
- More readable code (I hope)
- New and improved crc32()
- About 50% faster, thanks to suggestions from Rodney Brown
- Add deflateBound() and compressBound() functions
- Fix memory leak in deflateInit2()
- Permit setting dictionary for raw deflate (for parallel deflate)
- Fix const declaration for gzwrite()
- Check for some malloc() failures in gzio.c
- Fix bug in gzopen() on single-byte file 0x1f
- Fix bug in gzread() on concatenated file with 0x1f at end of buffer
and next buffer doesn't start with 0x8b
- Fix uncompress() to return Z_DATA_ERROR on truncated input
- Free memory at end of example.c
- Remove MAX #define in trees.c (conflicted with some libraries)
- Fix static const's in deflate.c, gzio.c, and zutil.[ch]
- Declare malloc() and free() in gzio.c if STDC not defined
- Use malloc() instead of calloc() in zutil.c if int big enough
- Define STDC for AIX
- Add aix/ with approach for compiling shared library on AIX
- Add HP-UX support for shared libraries in configure
- Add OpenUNIX support for shared libraries in configure
- Use $cc instead of gcc to build shared library
- Make prefix directory if needed when installing
- Correct Macintosh avoidance of typedef Byte in zconf.h
- Correct Turbo C memory allocation when under Linux
- Use libz.a instead of -lz in Makefile (assure use of compiled library)
- Update configure to check for snprintf or vsnprintf functions and their
return value, warn during make if using an insecure function
- Fix configure problem with compile-time knowledge of HAVE_UNISTD_H that
is lost when library is used--resolution is to build new zconf.h
- Documentation improvements (in zlib.h):
- Document raw deflate and inflate
- Update RFCs URL
- Point out that zlib and gzip formats are different
- Note that Z_BUF_ERROR is not fatal
- Document string limit for gzprintf() and possible buffer overflow
- Note requirement on avail_out when flushing
- Note permitted values of flush parameter of inflate()
- Add some FAQs (and even answers) to the FAQ
- Add contrib/inflate86/ for x86 faster inflate
- Add contrib/blast/ for PKWare Data Compression Library decompression
- Add contrib/puff/ simple inflate for deflate format description
svn path=/trunk/; revision=25342
2007-01-07 15:56:49 +00:00
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#if defined(_WIN32_WCE)
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/* The Microsoft C Run-Time Library for Windows CE doesn't have
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* errno. We define it as a global variable to simplify porting.
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* Its value is always 0 and should not be used.
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*/
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int errno = 0;
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#endif
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2002-03-17 21:05:05 +00:00
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#ifndef HAVE_MEMCPY
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2010-07-03 22:34:05 +00:00
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void ZLIB_INTERNAL zmemcpy(dest, source, len)
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2002-03-17 21:05:05 +00:00
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Bytef* dest;
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const Bytef* source;
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uInt len;
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{
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if (len == 0) return;
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do {
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*dest++ = *source++; /* ??? to be unrolled */
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} while (--len != 0);
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}
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2010-07-03 22:34:05 +00:00
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int ZLIB_INTERNAL zmemcmp(s1, s2, len)
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2002-03-17 21:05:05 +00:00
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const Bytef* s1;
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const Bytef* s2;
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uInt len;
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{
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uInt j;
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for (j = 0; j < len; j++) {
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if (s1[j] != s2[j]) return 2*(s1[j] > s2[j])-1;
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}
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return 0;
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}
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2010-07-03 22:34:05 +00:00
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void ZLIB_INTERNAL zmemzero(dest, len)
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2002-03-17 21:05:05 +00:00
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Bytef* dest;
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uInt len;
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{
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if (len == 0) return;
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do {
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*dest++ = 0; /* ??? to be unrolled */
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} while (--len != 0);
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}
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#endif
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update from zlib 1.1.4 to 1.2.3
ChangeLog file for zlib
Changes in 1.2.3 (18 July 2005)
- Apply security vulnerability fixes to contrib/infback9 as well
- Clean up some text files (carriage returns, trailing space)
- Update testzlib, vstudio, masmx64, and masmx86 in contrib [Vollant]
Changes in 1.2.2.4 (11 July 2005)
- Add inflatePrime() function for starting inflation at bit boundary
- Avoid some Visual C warnings in deflate.c
- Avoid more silly Visual C warnings in inflate.c and inftrees.c for 64-bit
compile
- Fix some spelling errors in comments [Betts]
- Correct inflateInit2() error return documentation in zlib.h
- Added zran.c example of compressed data random access to examples
directory, shows use of inflatePrime()
- Fix cast for assignments to strm->state in inflate.c and infback.c
- Fix zlibCompileFlags() in zutil.c to use 1L for long shifts [Oberhumer]
- Move declarations of gf2 functions to right place in crc32.c [Oberhumer]
- Add cast in trees.c t avoid a warning [Oberhumer]
- Avoid some warnings in fitblk.c, gun.c, gzjoin.c in examples [Oberhumer]
- Update make_vms.com [Zinser]
- Initialize state->write in inflateReset() since copied in inflate_fast()
- Be more strict on incomplete code sets in inflate_table() and increase
ENOUGH and MAXD -- this repairs a possible security vulnerability for
invalid inflate input. Thanks to Tavis Ormandy and Markus Oberhumer for
discovering the vulnerability and providing test cases.
- Add ia64 support to configure for HP-UX [Smith]
- Add error return to gzread() for format or i/o error [Levin]
- Use malloc.h for OS/2 [Necasek]
Changes in 1.2.2.3 (27 May 2005)
- Replace 1U constants in inflate.c and inftrees.c for 64-bit compile
- Typecast fread() return values in gzio.c [Vollant]
- Remove trailing space in minigzip.c outmode (VC++ can't deal with it)
- Fix crc check bug in gzread() after gzungetc() [Heiner]
- Add the deflateTune() function to adjust internal compression parameters
- Add a fast gzip decompressor, gun.c, to examples (use of inflateBack)
- Remove an incorrect assertion in examples/zpipe.c
- Add C++ wrapper in infback9.h [Donais]
- Fix bug in inflateCopy() when decoding fixed codes
- Note in zlib.h how much deflateSetDictionary() actually uses
- Remove USE_DICT_HEAD in deflate.c (would mess up inflate if used)
- Add _WIN32_WCE to define WIN32 in zconf.in.h [Spencer]
- Don't include stderr.h or errno.h for _WIN32_WCE in zutil.h [Spencer]
- Add gzdirect() function to indicate transparent reads
- Update contrib/minizip [Vollant]
- Fix compilation of deflate.c when both ASMV and FASTEST [Oberhumer]
- Add casts in crc32.c to avoid warnings [Oberhumer]
- Add contrib/masmx64 [Vollant]
- Update contrib/asm586, asm686, masmx86, testzlib, vstudio [Vollant]
Changes in 1.2.2.2 (30 December 2004)
- Replace structure assignments in deflate.c and inflate.c with zmemcpy to
avoid implicit memcpy calls (portability for no-library compilation)
- Increase sprintf() buffer size in gzdopen() to allow for large numbers
- Add INFLATE_STRICT to check distances against zlib header
- Improve WinCE errno handling and comments [Chang]
- Remove comment about no gzip header processing in FAQ
- Add Z_FIXED strategy option to deflateInit2() to force fixed trees
- Add updated make_vms.com [Coghlan], update README
- Create a new "examples" directory, move gzappend.c there, add zpipe.c,
fitblk.c, gzlog.[ch], gzjoin.c, and zlib_how.html.
- Add FAQ entry and comments in deflate.c on uninitialized memory access
- Add Solaris 9 make options in configure [Gilbert]
- Allow strerror() usage in gzio.c for STDC
- Fix DecompressBuf in contrib/delphi/ZLib.pas [ManChesTer]
- Update contrib/masmx86/inffas32.asm and gvmat32.asm [Vollant]
- Use z_off_t for adler32_combine() and crc32_combine() lengths
- Make adler32() much faster for small len
- Use OS_CODE in deflate() default gzip header
Changes in 1.2.2.1 (31 October 2004)
- Allow inflateSetDictionary() call for raw inflate
- Fix inflate header crc check bug for file names and comments
- Add deflateSetHeader() and gz_header structure for custom gzip headers
- Add inflateGetheader() to retrieve gzip headers
- Add crc32_combine() and adler32_combine() functions
- Add alloc_func, free_func, in_func, out_func to Z_PREFIX list
- Use zstreamp consistently in zlib.h (inflate_back functions)
- Remove GUNZIP condition from definition of inflate_mode in inflate.h
and in contrib/inflate86/inffast.S [Truta, Anderson]
- Add support for AMD64 in contrib/inflate86/inffas86.c [Anderson]
- Update projects/README.projects and projects/visualc6 [Truta]
- Update win32/DLL_FAQ.txt [Truta]
- Avoid warning under NO_GZCOMPRESS in gzio.c; fix typo [Truta]
- Deprecate Z_ASCII; use Z_TEXT instead [Truta]
- Use a new algorithm for setting strm->data_type in trees.c [Truta]
- Do not define an exit() prototype in zutil.c unless DEBUG defined
- Remove prototype of exit() from zutil.c, example.c, minigzip.c [Truta]
- Add comment in zlib.h for Z_NO_FLUSH parameter to deflate()
- Fix Darwin build version identification [Peterson]
Changes in 1.2.2 (3 October 2004)
- Update zlib.h comments on gzip in-memory processing
- Set adler to 1 in inflateReset() to support Java test suite [Walles]
- Add contrib/dotzlib [Ravn]
- Update win32/DLL_FAQ.txt [Truta]
- Update contrib/minizip [Vollant]
- Move contrib/visual-basic.txt to old/ [Truta]
- Fix assembler builds in projects/visualc6/ [Truta]
Changes in 1.2.1.2 (9 September 2004)
- Update INDEX file
- Fix trees.c to update strm->data_type (no one ever noticed!)
- Fix bug in error case in inflate.c, infback.c, and infback9.c [Brown]
- Add "volatile" to crc table flag declaration (for DYNAMIC_CRC_TABLE)
- Add limited multitasking protection to DYNAMIC_CRC_TABLE
- Add NO_vsnprintf for VMS in zutil.h [Mozilla]
- Don't declare strerror() under VMS [Mozilla]
- Add comment to DYNAMIC_CRC_TABLE to use get_crc_table() to initialize
- Update contrib/ada [Anisimkov]
- Update contrib/minizip [Vollant]
- Fix configure to not hardcode directories for Darwin [Peterson]
- Fix gzio.c to not return error on empty files [Brown]
- Fix indentation; update version in contrib/delphi/ZLib.pas and
contrib/pascal/zlibpas.pas [Truta]
- Update mkasm.bat in contrib/masmx86 [Truta]
- Update contrib/untgz [Truta]
- Add projects/README.projects [Truta]
- Add project for MS Visual C++ 6.0 in projects/visualc6 [Cadieux, Truta]
- Update win32/DLL_FAQ.txt [Truta]
- Update list of Z_PREFIX symbols in zconf.h [Randers-Pehrson, Truta]
- Remove an unnecessary assignment to curr in inftrees.c [Truta]
- Add OS/2 to exe builds in configure [Poltorak]
- Remove err dummy parameter in zlib.h [Kientzle]
Changes in 1.2.1.1 (9 January 2004)
- Update email address in README
- Several FAQ updates
- Fix a big fat bug in inftrees.c that prevented decoding valid
dynamic blocks with only literals and no distance codes --
Thanks to "Hot Emu" for the bug report and sample file
- Add a note to puff.c on no distance codes case.
Changes in 1.2.1 (17 November 2003)
- Remove a tab in contrib/gzappend/gzappend.c
- Update some interfaces in contrib for new zlib functions
- Update zlib version number in some contrib entries
- Add Windows CE definition for ptrdiff_t in zutil.h [Mai, Truta]
- Support shared libraries on Hurd and KFreeBSD [Brown]
- Fix error in NO_DIVIDE option of adler32.c
Changes in 1.2.0.8 (4 November 2003)
- Update version in contrib/delphi/ZLib.pas and contrib/pascal/zlibpas.pas
- Add experimental NO_DIVIDE #define in adler32.c
- Possibly faster on some processors (let me know if it is)
- Correct Z_BLOCK to not return on first inflate call if no wrap
- Fix strm->data_type on inflate() return to correctly indicate EOB
- Add deflatePrime() function for appending in the middle of a byte
- Add contrib/gzappend for an example of appending to a stream
- Update win32/DLL_FAQ.txt [Truta]
- Delete Turbo C comment in README [Truta]
- Improve some indentation in zconf.h [Truta]
- Fix infinite loop on bad input in configure script [Church]
- Fix gzeof() for concatenated gzip files [Johnson]
- Add example to contrib/visual-basic.txt [Michael B.]
- Add -p to mkdir's in Makefile.in [vda]
- Fix configure to properly detect presence or lack of printf functions
- Add AS400 support [Monnerat]
- Add a little Cygwin support [Wilson]
Changes in 1.2.0.7 (21 September 2003)
- Correct some debug formats in contrib/infback9
- Cast a type in a debug statement in trees.c
- Change search and replace delimiter in configure from % to # [Beebe]
- Update contrib/untgz to 0.2 with various fixes [Truta]
- Add build support for Amiga [Nikl]
- Remove some directories in old that have been updated to 1.2
- Add dylib building for Mac OS X in configure and Makefile.in
- Remove old distribution stuff from Makefile
- Update README to point to DLL_FAQ.txt, and add comment on Mac OS X
- Update links in README
Changes in 1.2.0.6 (13 September 2003)
- Minor FAQ updates
- Update contrib/minizip to 1.00 [Vollant]
- Remove test of gz functions in example.c when GZ_COMPRESS defined [Truta]
- Update POSTINC comment for 68060 [Nikl]
- Add contrib/infback9 with deflate64 decoding (unsupported)
- For MVS define NO_vsnprintf and undefine FAR [van Burik]
- Add pragma for fdopen on MVS [van Burik]
Changes in 1.2.0.5 (8 September 2003)
- Add OF to inflateBackEnd() declaration in zlib.h
- Remember start when using gzdopen in the middle of a file
- Use internal off_t counters in gz* functions to properly handle seeks
- Perform more rigorous check for distance-too-far in inffast.c
- Add Z_BLOCK flush option to return from inflate at block boundary
- Set strm->data_type on return from inflate
- Indicate bits unused, if at block boundary, and if in last block
- Replace size_t with ptrdiff_t in crc32.c, and check for correct size
- Add condition so old NO_DEFLATE define still works for compatibility
- FAQ update regarding the Windows DLL [Truta]
- INDEX update: add qnx entry, remove aix entry [Truta]
- Install zlib.3 into mandir [Wilson]
- Move contrib/zlib_dll_FAQ.txt to win32/DLL_FAQ.txt; update [Truta]
- Adapt the zlib interface to the new DLL convention guidelines [Truta]
- Introduce ZLIB_WINAPI macro to allow the export of functions using
the WINAPI calling convention, for Visual Basic [Vollant, Truta]
- Update msdos and win32 scripts and makefiles [Truta]
- Export symbols by name, not by ordinal, in win32/zlib.def [Truta]
- Add contrib/ada [Anisimkov]
- Move asm files from contrib/vstudio/vc70_32 to contrib/asm386 [Truta]
- Rename contrib/asm386 to contrib/masmx86 [Truta, Vollant]
- Add contrib/masm686 [Truta]
- Fix offsets in contrib/inflate86 and contrib/masmx86/inffas32.asm
[Truta, Vollant]
- Update contrib/delphi; rename to contrib/pascal; add example [Truta]
- Remove contrib/delphi2; add a new contrib/delphi [Truta]
- Avoid inclusion of the nonstandard <memory.h> in contrib/iostream,
and fix some method prototypes [Truta]
- Fix the ZCR_SEED2 constant to avoid warnings in contrib/minizip
[Truta]
- Avoid the use of backslash (\) in contrib/minizip [Vollant]
- Fix file time handling in contrib/untgz; update makefiles [Truta]
- Update contrib/vstudio/vc70_32 to comply with the new DLL guidelines
[Vollant]
- Remove contrib/vstudio/vc15_16 [Vollant]
- Rename contrib/vstudio/vc70_32 to contrib/vstudio/vc7 [Truta]
- Update README.contrib [Truta]
- Invert the assignment order of match_head and s->prev[...] in
INSERT_STRING [Truta]
- Compare TOO_FAR with 32767 instead of 32768, to avoid 16-bit warnings
[Truta]
- Compare function pointers with 0, not with NULL or Z_NULL [Truta]
- Fix prototype of syncsearch in inflate.c [Truta]
- Introduce ASMINF macro to be enabled when using an ASM implementation
of inflate_fast [Truta]
- Change NO_DEFLATE to NO_GZCOMPRESS [Truta]
- Modify test_gzio in example.c to take a single file name as a
parameter [Truta]
- Exit the example.c program if gzopen fails [Truta]
- Add type casts around strlen in example.c [Truta]
- Remove casting to sizeof in minigzip.c; give a proper type
to the variable compared with SUFFIX_LEN [Truta]
- Update definitions of STDC and STDC99 in zconf.h [Truta]
- Synchronize zconf.h with the new Windows DLL interface [Truta]
- Use SYS16BIT instead of __32BIT__ to distinguish between
16- and 32-bit platforms [Truta]
- Use far memory allocators in small 16-bit memory models for
Turbo C [Truta]
- Add info about the use of ASMV, ASMINF and ZLIB_WINAPI in
zlibCompileFlags [Truta]
- Cygwin has vsnprintf [Wilson]
- In Windows16, OS_CODE is 0, as in MSDOS [Truta]
- In Cygwin, OS_CODE is 3 (Unix), not 11 (Windows32) [Wilson]
Changes in 1.2.0.4 (10 August 2003)
- Minor FAQ updates
- Be more strict when checking inflateInit2's windowBits parameter
- Change NO_GUNZIP compile option to NO_GZIP to cover deflate as well
- Add gzip wrapper option to deflateInit2 using windowBits
- Add updated QNX rule in configure and qnx directory [Bonnefoy]
- Make inflate distance-too-far checks more rigorous
- Clean up FAR usage in inflate
- Add casting to sizeof() in gzio.c and minigzip.c
Changes in 1.2.0.3 (19 July 2003)
- Fix silly error in gzungetc() implementation [Vollant]
- Update contrib/minizip and contrib/vstudio [Vollant]
- Fix printf format in example.c
- Correct cdecl support in zconf.in.h [Anisimkov]
- Minor FAQ updates
Changes in 1.2.0.2 (13 July 2003)
- Add ZLIB_VERNUM in zlib.h for numerical preprocessor comparisons
- Attempt to avoid warnings in crc32.c for pointer-int conversion
- Add AIX to configure, remove aix directory [Bakker]
- Add some casts to minigzip.c
- Improve checking after insecure sprintf() or vsprintf() calls
- Remove #elif's from crc32.c
- Change leave label to inf_leave in inflate.c and infback.c to avoid
library conflicts
- Remove inflate gzip decoding by default--only enable gzip decoding by
special request for stricter backward compatibility
- Add zlibCompileFlags() function to return compilation information
- More typecasting in deflate.c to avoid warnings
- Remove leading underscore from _Capital #defines [Truta]
- Fix configure to link shared library when testing
- Add some Windows CE target adjustments [Mai]
- Remove #define ZLIB_DLL in zconf.h [Vollant]
- Add zlib.3 [Rodgers]
- Update RFC URL in deflate.c and algorithm.txt [Mai]
- Add zlib_dll_FAQ.txt to contrib [Truta]
- Add UL to some constants [Truta]
- Update minizip and vstudio [Vollant]
- Remove vestigial NEED_DUMMY_RETURN from zconf.in.h
- Expand use of NO_DUMMY_DECL to avoid all dummy structures
- Added iostream3 to contrib [Schwardt]
- Replace rewind() with fseek() for WinCE [Truta]
- Improve setting of zlib format compression level flags
- Report 0 for huffman and rle strategies and for level == 0 or 1
- Report 2 only for level == 6
- Only deal with 64K limit when necessary at compile time [Truta]
- Allow TOO_FAR check to be turned off at compile time [Truta]
- Add gzclearerr() function [Souza]
- Add gzungetc() function
Changes in 1.2.0.1 (17 March 2003)
- Add Z_RLE strategy for run-length encoding [Truta]
- When Z_RLE requested, restrict matches to distance one
- Update zlib.h, minigzip.c, gzopen(), gzdopen() for Z_RLE
- Correct FASTEST compilation to allow level == 0
- Clean up what gets compiled for FASTEST
- Incorporate changes to zconf.in.h [Vollant]
- Refine detection of Turbo C need for dummy returns
- Refine ZLIB_DLL compilation
- Include additional header file on VMS for off_t typedef
- Try to use _vsnprintf where it supplants vsprintf [Vollant]
- Add some casts in inffast.c
- Enchance comments in zlib.h on what happens if gzprintf() tries to
write more than 4095 bytes before compression
- Remove unused state from inflateBackEnd()
- Remove exit(0) from minigzip.c, example.c
- Get rid of all those darn tabs
- Add "check" target to Makefile.in that does the same thing as "test"
- Add "mostlyclean" and "maintainer-clean" targets to Makefile.in
- Update contrib/inflate86 [Anderson]
- Update contrib/testzlib, contrib/vstudio, contrib/minizip [Vollant]
- Add msdos and win32 directories with makefiles [Truta]
- More additions and improvements to the FAQ
Changes in 1.2.0 (9 March 2003)
- New and improved inflate code
- About 20% faster
- Does not allocate 32K window unless and until needed
- Automatically detects and decompresses gzip streams
- Raw inflate no longer needs an extra dummy byte at end
- Added inflateBack functions using a callback interface--even faster
than inflate, useful for file utilities (gzip, zip)
- Added inflateCopy() function to record state for random access on
externally generated deflate streams (e.g. in gzip files)
- More readable code (I hope)
- New and improved crc32()
- About 50% faster, thanks to suggestions from Rodney Brown
- Add deflateBound() and compressBound() functions
- Fix memory leak in deflateInit2()
- Permit setting dictionary for raw deflate (for parallel deflate)
- Fix const declaration for gzwrite()
- Check for some malloc() failures in gzio.c
- Fix bug in gzopen() on single-byte file 0x1f
- Fix bug in gzread() on concatenated file with 0x1f at end of buffer
and next buffer doesn't start with 0x8b
- Fix uncompress() to return Z_DATA_ERROR on truncated input
- Free memory at end of example.c
- Remove MAX #define in trees.c (conflicted with some libraries)
- Fix static const's in deflate.c, gzio.c, and zutil.[ch]
- Declare malloc() and free() in gzio.c if STDC not defined
- Use malloc() instead of calloc() in zutil.c if int big enough
- Define STDC for AIX
- Add aix/ with approach for compiling shared library on AIX
- Add HP-UX support for shared libraries in configure
- Add OpenUNIX support for shared libraries in configure
- Use $cc instead of gcc to build shared library
- Make prefix directory if needed when installing
- Correct Macintosh avoidance of typedef Byte in zconf.h
- Correct Turbo C memory allocation when under Linux
- Use libz.a instead of -lz in Makefile (assure use of compiled library)
- Update configure to check for snprintf or vsnprintf functions and their
return value, warn during make if using an insecure function
- Fix configure problem with compile-time knowledge of HAVE_UNISTD_H that
is lost when library is used--resolution is to build new zconf.h
- Documentation improvements (in zlib.h):
- Document raw deflate and inflate
- Update RFCs URL
- Point out that zlib and gzip formats are different
- Note that Z_BUF_ERROR is not fatal
- Document string limit for gzprintf() and possible buffer overflow
- Note requirement on avail_out when flushing
- Note permitted values of flush parameter of inflate()
- Add some FAQs (and even answers) to the FAQ
- Add contrib/inflate86/ for x86 faster inflate
- Add contrib/blast/ for PKWare Data Compression Library decompression
- Add contrib/puff/ simple inflate for deflate format description
svn path=/trunk/; revision=25342
2007-01-07 15:56:49 +00:00
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#ifdef SYS16BIT
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2002-03-17 21:05:05 +00:00
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#ifdef __TURBOC__
|
update from zlib 1.1.4 to 1.2.3
ChangeLog file for zlib
Changes in 1.2.3 (18 July 2005)
- Apply security vulnerability fixes to contrib/infback9 as well
- Clean up some text files (carriage returns, trailing space)
- Update testzlib, vstudio, masmx64, and masmx86 in contrib [Vollant]
Changes in 1.2.2.4 (11 July 2005)
- Add inflatePrime() function for starting inflation at bit boundary
- Avoid some Visual C warnings in deflate.c
- Avoid more silly Visual C warnings in inflate.c and inftrees.c for 64-bit
compile
- Fix some spelling errors in comments [Betts]
- Correct inflateInit2() error return documentation in zlib.h
- Added zran.c example of compressed data random access to examples
directory, shows use of inflatePrime()
- Fix cast for assignments to strm->state in inflate.c and infback.c
- Fix zlibCompileFlags() in zutil.c to use 1L for long shifts [Oberhumer]
- Move declarations of gf2 functions to right place in crc32.c [Oberhumer]
- Add cast in trees.c t avoid a warning [Oberhumer]
- Avoid some warnings in fitblk.c, gun.c, gzjoin.c in examples [Oberhumer]
- Update make_vms.com [Zinser]
- Initialize state->write in inflateReset() since copied in inflate_fast()
- Be more strict on incomplete code sets in inflate_table() and increase
ENOUGH and MAXD -- this repairs a possible security vulnerability for
invalid inflate input. Thanks to Tavis Ormandy and Markus Oberhumer for
discovering the vulnerability and providing test cases.
- Add ia64 support to configure for HP-UX [Smith]
- Add error return to gzread() for format or i/o error [Levin]
- Use malloc.h for OS/2 [Necasek]
Changes in 1.2.2.3 (27 May 2005)
- Replace 1U constants in inflate.c and inftrees.c for 64-bit compile
- Typecast fread() return values in gzio.c [Vollant]
- Remove trailing space in minigzip.c outmode (VC++ can't deal with it)
- Fix crc check bug in gzread() after gzungetc() [Heiner]
- Add the deflateTune() function to adjust internal compression parameters
- Add a fast gzip decompressor, gun.c, to examples (use of inflateBack)
- Remove an incorrect assertion in examples/zpipe.c
- Add C++ wrapper in infback9.h [Donais]
- Fix bug in inflateCopy() when decoding fixed codes
- Note in zlib.h how much deflateSetDictionary() actually uses
- Remove USE_DICT_HEAD in deflate.c (would mess up inflate if used)
- Add _WIN32_WCE to define WIN32 in zconf.in.h [Spencer]
- Don't include stderr.h or errno.h for _WIN32_WCE in zutil.h [Spencer]
- Add gzdirect() function to indicate transparent reads
- Update contrib/minizip [Vollant]
- Fix compilation of deflate.c when both ASMV and FASTEST [Oberhumer]
- Add casts in crc32.c to avoid warnings [Oberhumer]
- Add contrib/masmx64 [Vollant]
- Update contrib/asm586, asm686, masmx86, testzlib, vstudio [Vollant]
Changes in 1.2.2.2 (30 December 2004)
- Replace structure assignments in deflate.c and inflate.c with zmemcpy to
avoid implicit memcpy calls (portability for no-library compilation)
- Increase sprintf() buffer size in gzdopen() to allow for large numbers
- Add INFLATE_STRICT to check distances against zlib header
- Improve WinCE errno handling and comments [Chang]
- Remove comment about no gzip header processing in FAQ
- Add Z_FIXED strategy option to deflateInit2() to force fixed trees
- Add updated make_vms.com [Coghlan], update README
- Create a new "examples" directory, move gzappend.c there, add zpipe.c,
fitblk.c, gzlog.[ch], gzjoin.c, and zlib_how.html.
- Add FAQ entry and comments in deflate.c on uninitialized memory access
- Add Solaris 9 make options in configure [Gilbert]
- Allow strerror() usage in gzio.c for STDC
- Fix DecompressBuf in contrib/delphi/ZLib.pas [ManChesTer]
- Update contrib/masmx86/inffas32.asm and gvmat32.asm [Vollant]
- Use z_off_t for adler32_combine() and crc32_combine() lengths
- Make adler32() much faster for small len
- Use OS_CODE in deflate() default gzip header
Changes in 1.2.2.1 (31 October 2004)
- Allow inflateSetDictionary() call for raw inflate
- Fix inflate header crc check bug for file names and comments
- Add deflateSetHeader() and gz_header structure for custom gzip headers
- Add inflateGetheader() to retrieve gzip headers
- Add crc32_combine() and adler32_combine() functions
- Add alloc_func, free_func, in_func, out_func to Z_PREFIX list
- Use zstreamp consistently in zlib.h (inflate_back functions)
- Remove GUNZIP condition from definition of inflate_mode in inflate.h
and in contrib/inflate86/inffast.S [Truta, Anderson]
- Add support for AMD64 in contrib/inflate86/inffas86.c [Anderson]
- Update projects/README.projects and projects/visualc6 [Truta]
- Update win32/DLL_FAQ.txt [Truta]
- Avoid warning under NO_GZCOMPRESS in gzio.c; fix typo [Truta]
- Deprecate Z_ASCII; use Z_TEXT instead [Truta]
- Use a new algorithm for setting strm->data_type in trees.c [Truta]
- Do not define an exit() prototype in zutil.c unless DEBUG defined
- Remove prototype of exit() from zutil.c, example.c, minigzip.c [Truta]
- Add comment in zlib.h for Z_NO_FLUSH parameter to deflate()
- Fix Darwin build version identification [Peterson]
Changes in 1.2.2 (3 October 2004)
- Update zlib.h comments on gzip in-memory processing
- Set adler to 1 in inflateReset() to support Java test suite [Walles]
- Add contrib/dotzlib [Ravn]
- Update win32/DLL_FAQ.txt [Truta]
- Update contrib/minizip [Vollant]
- Move contrib/visual-basic.txt to old/ [Truta]
- Fix assembler builds in projects/visualc6/ [Truta]
Changes in 1.2.1.2 (9 September 2004)
- Update INDEX file
- Fix trees.c to update strm->data_type (no one ever noticed!)
- Fix bug in error case in inflate.c, infback.c, and infback9.c [Brown]
- Add "volatile" to crc table flag declaration (for DYNAMIC_CRC_TABLE)
- Add limited multitasking protection to DYNAMIC_CRC_TABLE
- Add NO_vsnprintf for VMS in zutil.h [Mozilla]
- Don't declare strerror() under VMS [Mozilla]
- Add comment to DYNAMIC_CRC_TABLE to use get_crc_table() to initialize
- Update contrib/ada [Anisimkov]
- Update contrib/minizip [Vollant]
- Fix configure to not hardcode directories for Darwin [Peterson]
- Fix gzio.c to not return error on empty files [Brown]
- Fix indentation; update version in contrib/delphi/ZLib.pas and
contrib/pascal/zlibpas.pas [Truta]
- Update mkasm.bat in contrib/masmx86 [Truta]
- Update contrib/untgz [Truta]
- Add projects/README.projects [Truta]
- Add project for MS Visual C++ 6.0 in projects/visualc6 [Cadieux, Truta]
- Update win32/DLL_FAQ.txt [Truta]
- Update list of Z_PREFIX symbols in zconf.h [Randers-Pehrson, Truta]
- Remove an unnecessary assignment to curr in inftrees.c [Truta]
- Add OS/2 to exe builds in configure [Poltorak]
- Remove err dummy parameter in zlib.h [Kientzle]
Changes in 1.2.1.1 (9 January 2004)
- Update email address in README
- Several FAQ updates
- Fix a big fat bug in inftrees.c that prevented decoding valid
dynamic blocks with only literals and no distance codes --
Thanks to "Hot Emu" for the bug report and sample file
- Add a note to puff.c on no distance codes case.
Changes in 1.2.1 (17 November 2003)
- Remove a tab in contrib/gzappend/gzappend.c
- Update some interfaces in contrib for new zlib functions
- Update zlib version number in some contrib entries
- Add Windows CE definition for ptrdiff_t in zutil.h [Mai, Truta]
- Support shared libraries on Hurd and KFreeBSD [Brown]
- Fix error in NO_DIVIDE option of adler32.c
Changes in 1.2.0.8 (4 November 2003)
- Update version in contrib/delphi/ZLib.pas and contrib/pascal/zlibpas.pas
- Add experimental NO_DIVIDE #define in adler32.c
- Possibly faster on some processors (let me know if it is)
- Correct Z_BLOCK to not return on first inflate call if no wrap
- Fix strm->data_type on inflate() return to correctly indicate EOB
- Add deflatePrime() function for appending in the middle of a byte
- Add contrib/gzappend for an example of appending to a stream
- Update win32/DLL_FAQ.txt [Truta]
- Delete Turbo C comment in README [Truta]
- Improve some indentation in zconf.h [Truta]
- Fix infinite loop on bad input in configure script [Church]
- Fix gzeof() for concatenated gzip files [Johnson]
- Add example to contrib/visual-basic.txt [Michael B.]
- Add -p to mkdir's in Makefile.in [vda]
- Fix configure to properly detect presence or lack of printf functions
- Add AS400 support [Monnerat]
- Add a little Cygwin support [Wilson]
Changes in 1.2.0.7 (21 September 2003)
- Correct some debug formats in contrib/infback9
- Cast a type in a debug statement in trees.c
- Change search and replace delimiter in configure from % to # [Beebe]
- Update contrib/untgz to 0.2 with various fixes [Truta]
- Add build support for Amiga [Nikl]
- Remove some directories in old that have been updated to 1.2
- Add dylib building for Mac OS X in configure and Makefile.in
- Remove old distribution stuff from Makefile
- Update README to point to DLL_FAQ.txt, and add comment on Mac OS X
- Update links in README
Changes in 1.2.0.6 (13 September 2003)
- Minor FAQ updates
- Update contrib/minizip to 1.00 [Vollant]
- Remove test of gz functions in example.c when GZ_COMPRESS defined [Truta]
- Update POSTINC comment for 68060 [Nikl]
- Add contrib/infback9 with deflate64 decoding (unsupported)
- For MVS define NO_vsnprintf and undefine FAR [van Burik]
- Add pragma for fdopen on MVS [van Burik]
Changes in 1.2.0.5 (8 September 2003)
- Add OF to inflateBackEnd() declaration in zlib.h
- Remember start when using gzdopen in the middle of a file
- Use internal off_t counters in gz* functions to properly handle seeks
- Perform more rigorous check for distance-too-far in inffast.c
- Add Z_BLOCK flush option to return from inflate at block boundary
- Set strm->data_type on return from inflate
- Indicate bits unused, if at block boundary, and if in last block
- Replace size_t with ptrdiff_t in crc32.c, and check for correct size
- Add condition so old NO_DEFLATE define still works for compatibility
- FAQ update regarding the Windows DLL [Truta]
- INDEX update: add qnx entry, remove aix entry [Truta]
- Install zlib.3 into mandir [Wilson]
- Move contrib/zlib_dll_FAQ.txt to win32/DLL_FAQ.txt; update [Truta]
- Adapt the zlib interface to the new DLL convention guidelines [Truta]
- Introduce ZLIB_WINAPI macro to allow the export of functions using
the WINAPI calling convention, for Visual Basic [Vollant, Truta]
- Update msdos and win32 scripts and makefiles [Truta]
- Export symbols by name, not by ordinal, in win32/zlib.def [Truta]
- Add contrib/ada [Anisimkov]
- Move asm files from contrib/vstudio/vc70_32 to contrib/asm386 [Truta]
- Rename contrib/asm386 to contrib/masmx86 [Truta, Vollant]
- Add contrib/masm686 [Truta]
- Fix offsets in contrib/inflate86 and contrib/masmx86/inffas32.asm
[Truta, Vollant]
- Update contrib/delphi; rename to contrib/pascal; add example [Truta]
- Remove contrib/delphi2; add a new contrib/delphi [Truta]
- Avoid inclusion of the nonstandard <memory.h> in contrib/iostream,
and fix some method prototypes [Truta]
- Fix the ZCR_SEED2 constant to avoid warnings in contrib/minizip
[Truta]
- Avoid the use of backslash (\) in contrib/minizip [Vollant]
- Fix file time handling in contrib/untgz; update makefiles [Truta]
- Update contrib/vstudio/vc70_32 to comply with the new DLL guidelines
[Vollant]
- Remove contrib/vstudio/vc15_16 [Vollant]
- Rename contrib/vstudio/vc70_32 to contrib/vstudio/vc7 [Truta]
- Update README.contrib [Truta]
- Invert the assignment order of match_head and s->prev[...] in
INSERT_STRING [Truta]
- Compare TOO_FAR with 32767 instead of 32768, to avoid 16-bit warnings
[Truta]
- Compare function pointers with 0, not with NULL or Z_NULL [Truta]
- Fix prototype of syncsearch in inflate.c [Truta]
- Introduce ASMINF macro to be enabled when using an ASM implementation
of inflate_fast [Truta]
- Change NO_DEFLATE to NO_GZCOMPRESS [Truta]
- Modify test_gzio in example.c to take a single file name as a
parameter [Truta]
- Exit the example.c program if gzopen fails [Truta]
- Add type casts around strlen in example.c [Truta]
- Remove casting to sizeof in minigzip.c; give a proper type
to the variable compared with SUFFIX_LEN [Truta]
- Update definitions of STDC and STDC99 in zconf.h [Truta]
- Synchronize zconf.h with the new Windows DLL interface [Truta]
- Use SYS16BIT instead of __32BIT__ to distinguish between
16- and 32-bit platforms [Truta]
- Use far memory allocators in small 16-bit memory models for
Turbo C [Truta]
- Add info about the use of ASMV, ASMINF and ZLIB_WINAPI in
zlibCompileFlags [Truta]
- Cygwin has vsnprintf [Wilson]
- In Windows16, OS_CODE is 0, as in MSDOS [Truta]
- In Cygwin, OS_CODE is 3 (Unix), not 11 (Windows32) [Wilson]
Changes in 1.2.0.4 (10 August 2003)
- Minor FAQ updates
- Be more strict when checking inflateInit2's windowBits parameter
- Change NO_GUNZIP compile option to NO_GZIP to cover deflate as well
- Add gzip wrapper option to deflateInit2 using windowBits
- Add updated QNX rule in configure and qnx directory [Bonnefoy]
- Make inflate distance-too-far checks more rigorous
- Clean up FAR usage in inflate
- Add casting to sizeof() in gzio.c and minigzip.c
Changes in 1.2.0.3 (19 July 2003)
- Fix silly error in gzungetc() implementation [Vollant]
- Update contrib/minizip and contrib/vstudio [Vollant]
- Fix printf format in example.c
- Correct cdecl support in zconf.in.h [Anisimkov]
- Minor FAQ updates
Changes in 1.2.0.2 (13 July 2003)
- Add ZLIB_VERNUM in zlib.h for numerical preprocessor comparisons
- Attempt to avoid warnings in crc32.c for pointer-int conversion
- Add AIX to configure, remove aix directory [Bakker]
- Add some casts to minigzip.c
- Improve checking after insecure sprintf() or vsprintf() calls
- Remove #elif's from crc32.c
- Change leave label to inf_leave in inflate.c and infback.c to avoid
library conflicts
- Remove inflate gzip decoding by default--only enable gzip decoding by
special request for stricter backward compatibility
- Add zlibCompileFlags() function to return compilation information
- More typecasting in deflate.c to avoid warnings
- Remove leading underscore from _Capital #defines [Truta]
- Fix configure to link shared library when testing
- Add some Windows CE target adjustments [Mai]
- Remove #define ZLIB_DLL in zconf.h [Vollant]
- Add zlib.3 [Rodgers]
- Update RFC URL in deflate.c and algorithm.txt [Mai]
- Add zlib_dll_FAQ.txt to contrib [Truta]
- Add UL to some constants [Truta]
- Update minizip and vstudio [Vollant]
- Remove vestigial NEED_DUMMY_RETURN from zconf.in.h
- Expand use of NO_DUMMY_DECL to avoid all dummy structures
- Added iostream3 to contrib [Schwardt]
- Replace rewind() with fseek() for WinCE [Truta]
- Improve setting of zlib format compression level flags
- Report 0 for huffman and rle strategies and for level == 0 or 1
- Report 2 only for level == 6
- Only deal with 64K limit when necessary at compile time [Truta]
- Allow TOO_FAR check to be turned off at compile time [Truta]
- Add gzclearerr() function [Souza]
- Add gzungetc() function
Changes in 1.2.0.1 (17 March 2003)
- Add Z_RLE strategy for run-length encoding [Truta]
- When Z_RLE requested, restrict matches to distance one
- Update zlib.h, minigzip.c, gzopen(), gzdopen() for Z_RLE
- Correct FASTEST compilation to allow level == 0
- Clean up what gets compiled for FASTEST
- Incorporate changes to zconf.in.h [Vollant]
- Refine detection of Turbo C need for dummy returns
- Refine ZLIB_DLL compilation
- Include additional header file on VMS for off_t typedef
- Try to use _vsnprintf where it supplants vsprintf [Vollant]
- Add some casts in inffast.c
- Enchance comments in zlib.h on what happens if gzprintf() tries to
write more than 4095 bytes before compression
- Remove unused state from inflateBackEnd()
- Remove exit(0) from minigzip.c, example.c
- Get rid of all those darn tabs
- Add "check" target to Makefile.in that does the same thing as "test"
- Add "mostlyclean" and "maintainer-clean" targets to Makefile.in
- Update contrib/inflate86 [Anderson]
- Update contrib/testzlib, contrib/vstudio, contrib/minizip [Vollant]
- Add msdos and win32 directories with makefiles [Truta]
- More additions and improvements to the FAQ
Changes in 1.2.0 (9 March 2003)
- New and improved inflate code
- About 20% faster
- Does not allocate 32K window unless and until needed
- Automatically detects and decompresses gzip streams
- Raw inflate no longer needs an extra dummy byte at end
- Added inflateBack functions using a callback interface--even faster
than inflate, useful for file utilities (gzip, zip)
- Added inflateCopy() function to record state for random access on
externally generated deflate streams (e.g. in gzip files)
- More readable code (I hope)
- New and improved crc32()
- About 50% faster, thanks to suggestions from Rodney Brown
- Add deflateBound() and compressBound() functions
- Fix memory leak in deflateInit2()
- Permit setting dictionary for raw deflate (for parallel deflate)
- Fix const declaration for gzwrite()
- Check for some malloc() failures in gzio.c
- Fix bug in gzopen() on single-byte file 0x1f
- Fix bug in gzread() on concatenated file with 0x1f at end of buffer
and next buffer doesn't start with 0x8b
- Fix uncompress() to return Z_DATA_ERROR on truncated input
- Free memory at end of example.c
- Remove MAX #define in trees.c (conflicted with some libraries)
- Fix static const's in deflate.c, gzio.c, and zutil.[ch]
- Declare malloc() and free() in gzio.c if STDC not defined
- Use malloc() instead of calloc() in zutil.c if int big enough
- Define STDC for AIX
- Add aix/ with approach for compiling shared library on AIX
- Add HP-UX support for shared libraries in configure
- Add OpenUNIX support for shared libraries in configure
- Use $cc instead of gcc to build shared library
- Make prefix directory if needed when installing
- Correct Macintosh avoidance of typedef Byte in zconf.h
- Correct Turbo C memory allocation when under Linux
- Use libz.a instead of -lz in Makefile (assure use of compiled library)
- Update configure to check for snprintf or vsnprintf functions and their
return value, warn during make if using an insecure function
- Fix configure problem with compile-time knowledge of HAVE_UNISTD_H that
is lost when library is used--resolution is to build new zconf.h
- Documentation improvements (in zlib.h):
- Document raw deflate and inflate
- Update RFCs URL
- Point out that zlib and gzip formats are different
- Note that Z_BUF_ERROR is not fatal
- Document string limit for gzprintf() and possible buffer overflow
- Note requirement on avail_out when flushing
- Note permitted values of flush parameter of inflate()
- Add some FAQs (and even answers) to the FAQ
- Add contrib/inflate86/ for x86 faster inflate
- Add contrib/blast/ for PKWare Data Compression Library decompression
- Add contrib/puff/ simple inflate for deflate format description
svn path=/trunk/; revision=25342
2007-01-07 15:56:49 +00:00
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/* Turbo C in 16-bit mode */
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2002-03-17 21:05:05 +00:00
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# define MY_ZCALLOC
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/* Turbo C malloc() does not allow dynamic allocation of 64K bytes
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* and farmalloc(64K) returns a pointer with an offset of 8, so we
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* must fix the pointer. Warning: the pointer must be put back to its
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* original form in order to free it, use zcfree().
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*/
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#define MAX_PTR 10
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/* 10*64K = 640K */
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local int next_ptr = 0;
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typedef struct ptr_table_s {
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voidpf org_ptr;
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voidpf new_ptr;
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} ptr_table;
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local ptr_table table[MAX_PTR];
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/* This table is used to remember the original form of pointers
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* to large buffers (64K). Such pointers are normalized with a zero offset.
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* Since MSDOS is not a preemptive multitasking OS, this table is not
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* protected from concurrent access. This hack doesn't work anyway on
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* a protected system like OS/2. Use Microsoft C instead.
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*/
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2010-07-03 22:34:05 +00:00
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voidpf ZLIB_INTERNAL zcalloc (voidpf opaque, unsigned items, unsigned size)
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2002-03-17 21:05:05 +00:00
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{
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voidpf buf = opaque; /* just to make some compilers happy */
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ulg bsize = (ulg)items*size;
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/* If we allocate less than 65520 bytes, we assume that farmalloc
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* will return a usable pointer which doesn't have to be normalized.
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*/
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if (bsize < 65520L) {
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buf = farmalloc(bsize);
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if (*(ush*)&buf != 0) return buf;
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} else {
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buf = farmalloc(bsize + 16L);
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}
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if (buf == NULL || next_ptr >= MAX_PTR) return NULL;
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table[next_ptr].org_ptr = buf;
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/* Normalize the pointer to seg:0 */
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*((ush*)&buf+1) += ((ush)((uch*)buf-0) + 15) >> 4;
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*(ush*)&buf = 0;
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table[next_ptr++].new_ptr = buf;
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return buf;
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}
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2010-07-03 22:34:05 +00:00
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void ZLIB_INTERNAL zcfree (voidpf opaque, voidpf ptr)
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2002-03-17 21:05:05 +00:00
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{
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int n;
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if (*(ush*)&ptr != 0) { /* object < 64K */
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farfree(ptr);
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return;
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}
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/* Find the original pointer */
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for (n = 0; n < next_ptr; n++) {
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if (ptr != table[n].new_ptr) continue;
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farfree(table[n].org_ptr);
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while (++n < next_ptr) {
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table[n-1] = table[n];
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}
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next_ptr--;
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return;
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}
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ptr = opaque; /* just to make some compilers happy */
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Assert(0, "zcfree: ptr not found");
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}
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update from zlib 1.1.4 to 1.2.3
ChangeLog file for zlib
Changes in 1.2.3 (18 July 2005)
- Apply security vulnerability fixes to contrib/infback9 as well
- Clean up some text files (carriage returns, trailing space)
- Update testzlib, vstudio, masmx64, and masmx86 in contrib [Vollant]
Changes in 1.2.2.4 (11 July 2005)
- Add inflatePrime() function for starting inflation at bit boundary
- Avoid some Visual C warnings in deflate.c
- Avoid more silly Visual C warnings in inflate.c and inftrees.c for 64-bit
compile
- Fix some spelling errors in comments [Betts]
- Correct inflateInit2() error return documentation in zlib.h
- Added zran.c example of compressed data random access to examples
directory, shows use of inflatePrime()
- Fix cast for assignments to strm->state in inflate.c and infback.c
- Fix zlibCompileFlags() in zutil.c to use 1L for long shifts [Oberhumer]
- Move declarations of gf2 functions to right place in crc32.c [Oberhumer]
- Add cast in trees.c t avoid a warning [Oberhumer]
- Avoid some warnings in fitblk.c, gun.c, gzjoin.c in examples [Oberhumer]
- Update make_vms.com [Zinser]
- Initialize state->write in inflateReset() since copied in inflate_fast()
- Be more strict on incomplete code sets in inflate_table() and increase
ENOUGH and MAXD -- this repairs a possible security vulnerability for
invalid inflate input. Thanks to Tavis Ormandy and Markus Oberhumer for
discovering the vulnerability and providing test cases.
- Add ia64 support to configure for HP-UX [Smith]
- Add error return to gzread() for format or i/o error [Levin]
- Use malloc.h for OS/2 [Necasek]
Changes in 1.2.2.3 (27 May 2005)
- Replace 1U constants in inflate.c and inftrees.c for 64-bit compile
- Typecast fread() return values in gzio.c [Vollant]
- Remove trailing space in minigzip.c outmode (VC++ can't deal with it)
- Fix crc check bug in gzread() after gzungetc() [Heiner]
- Add the deflateTune() function to adjust internal compression parameters
- Add a fast gzip decompressor, gun.c, to examples (use of inflateBack)
- Remove an incorrect assertion in examples/zpipe.c
- Add C++ wrapper in infback9.h [Donais]
- Fix bug in inflateCopy() when decoding fixed codes
- Note in zlib.h how much deflateSetDictionary() actually uses
- Remove USE_DICT_HEAD in deflate.c (would mess up inflate if used)
- Add _WIN32_WCE to define WIN32 in zconf.in.h [Spencer]
- Don't include stderr.h or errno.h for _WIN32_WCE in zutil.h [Spencer]
- Add gzdirect() function to indicate transparent reads
- Update contrib/minizip [Vollant]
- Fix compilation of deflate.c when both ASMV and FASTEST [Oberhumer]
- Add casts in crc32.c to avoid warnings [Oberhumer]
- Add contrib/masmx64 [Vollant]
- Update contrib/asm586, asm686, masmx86, testzlib, vstudio [Vollant]
Changes in 1.2.2.2 (30 December 2004)
- Replace structure assignments in deflate.c and inflate.c with zmemcpy to
avoid implicit memcpy calls (portability for no-library compilation)
- Increase sprintf() buffer size in gzdopen() to allow for large numbers
- Add INFLATE_STRICT to check distances against zlib header
- Improve WinCE errno handling and comments [Chang]
- Remove comment about no gzip header processing in FAQ
- Add Z_FIXED strategy option to deflateInit2() to force fixed trees
- Add updated make_vms.com [Coghlan], update README
- Create a new "examples" directory, move gzappend.c there, add zpipe.c,
fitblk.c, gzlog.[ch], gzjoin.c, and zlib_how.html.
- Add FAQ entry and comments in deflate.c on uninitialized memory access
- Add Solaris 9 make options in configure [Gilbert]
- Allow strerror() usage in gzio.c for STDC
- Fix DecompressBuf in contrib/delphi/ZLib.pas [ManChesTer]
- Update contrib/masmx86/inffas32.asm and gvmat32.asm [Vollant]
- Use z_off_t for adler32_combine() and crc32_combine() lengths
- Make adler32() much faster for small len
- Use OS_CODE in deflate() default gzip header
Changes in 1.2.2.1 (31 October 2004)
- Allow inflateSetDictionary() call for raw inflate
- Fix inflate header crc check bug for file names and comments
- Add deflateSetHeader() and gz_header structure for custom gzip headers
- Add inflateGetheader() to retrieve gzip headers
- Add crc32_combine() and adler32_combine() functions
- Add alloc_func, free_func, in_func, out_func to Z_PREFIX list
- Use zstreamp consistently in zlib.h (inflate_back functions)
- Remove GUNZIP condition from definition of inflate_mode in inflate.h
and in contrib/inflate86/inffast.S [Truta, Anderson]
- Add support for AMD64 in contrib/inflate86/inffas86.c [Anderson]
- Update projects/README.projects and projects/visualc6 [Truta]
- Update win32/DLL_FAQ.txt [Truta]
- Avoid warning under NO_GZCOMPRESS in gzio.c; fix typo [Truta]
- Deprecate Z_ASCII; use Z_TEXT instead [Truta]
- Use a new algorithm for setting strm->data_type in trees.c [Truta]
- Do not define an exit() prototype in zutil.c unless DEBUG defined
- Remove prototype of exit() from zutil.c, example.c, minigzip.c [Truta]
- Add comment in zlib.h for Z_NO_FLUSH parameter to deflate()
- Fix Darwin build version identification [Peterson]
Changes in 1.2.2 (3 October 2004)
- Update zlib.h comments on gzip in-memory processing
- Set adler to 1 in inflateReset() to support Java test suite [Walles]
- Add contrib/dotzlib [Ravn]
- Update win32/DLL_FAQ.txt [Truta]
- Update contrib/minizip [Vollant]
- Move contrib/visual-basic.txt to old/ [Truta]
- Fix assembler builds in projects/visualc6/ [Truta]
Changes in 1.2.1.2 (9 September 2004)
- Update INDEX file
- Fix trees.c to update strm->data_type (no one ever noticed!)
- Fix bug in error case in inflate.c, infback.c, and infback9.c [Brown]
- Add "volatile" to crc table flag declaration (for DYNAMIC_CRC_TABLE)
- Add limited multitasking protection to DYNAMIC_CRC_TABLE
- Add NO_vsnprintf for VMS in zutil.h [Mozilla]
- Don't declare strerror() under VMS [Mozilla]
- Add comment to DYNAMIC_CRC_TABLE to use get_crc_table() to initialize
- Update contrib/ada [Anisimkov]
- Update contrib/minizip [Vollant]
- Fix configure to not hardcode directories for Darwin [Peterson]
- Fix gzio.c to not return error on empty files [Brown]
- Fix indentation; update version in contrib/delphi/ZLib.pas and
contrib/pascal/zlibpas.pas [Truta]
- Update mkasm.bat in contrib/masmx86 [Truta]
- Update contrib/untgz [Truta]
- Add projects/README.projects [Truta]
- Add project for MS Visual C++ 6.0 in projects/visualc6 [Cadieux, Truta]
- Update win32/DLL_FAQ.txt [Truta]
- Update list of Z_PREFIX symbols in zconf.h [Randers-Pehrson, Truta]
- Remove an unnecessary assignment to curr in inftrees.c [Truta]
- Add OS/2 to exe builds in configure [Poltorak]
- Remove err dummy parameter in zlib.h [Kientzle]
Changes in 1.2.1.1 (9 January 2004)
- Update email address in README
- Several FAQ updates
- Fix a big fat bug in inftrees.c that prevented decoding valid
dynamic blocks with only literals and no distance codes --
Thanks to "Hot Emu" for the bug report and sample file
- Add a note to puff.c on no distance codes case.
Changes in 1.2.1 (17 November 2003)
- Remove a tab in contrib/gzappend/gzappend.c
- Update some interfaces in contrib for new zlib functions
- Update zlib version number in some contrib entries
- Add Windows CE definition for ptrdiff_t in zutil.h [Mai, Truta]
- Support shared libraries on Hurd and KFreeBSD [Brown]
- Fix error in NO_DIVIDE option of adler32.c
Changes in 1.2.0.8 (4 November 2003)
- Update version in contrib/delphi/ZLib.pas and contrib/pascal/zlibpas.pas
- Add experimental NO_DIVIDE #define in adler32.c
- Possibly faster on some processors (let me know if it is)
- Correct Z_BLOCK to not return on first inflate call if no wrap
- Fix strm->data_type on inflate() return to correctly indicate EOB
- Add deflatePrime() function for appending in the middle of a byte
- Add contrib/gzappend for an example of appending to a stream
- Update win32/DLL_FAQ.txt [Truta]
- Delete Turbo C comment in README [Truta]
- Improve some indentation in zconf.h [Truta]
- Fix infinite loop on bad input in configure script [Church]
- Fix gzeof() for concatenated gzip files [Johnson]
- Add example to contrib/visual-basic.txt [Michael B.]
- Add -p to mkdir's in Makefile.in [vda]
- Fix configure to properly detect presence or lack of printf functions
- Add AS400 support [Monnerat]
- Add a little Cygwin support [Wilson]
Changes in 1.2.0.7 (21 September 2003)
- Correct some debug formats in contrib/infback9
- Cast a type in a debug statement in trees.c
- Change search and replace delimiter in configure from % to # [Beebe]
- Update contrib/untgz to 0.2 with various fixes [Truta]
- Add build support for Amiga [Nikl]
- Remove some directories in old that have been updated to 1.2
- Add dylib building for Mac OS X in configure and Makefile.in
- Remove old distribution stuff from Makefile
- Update README to point to DLL_FAQ.txt, and add comment on Mac OS X
- Update links in README
Changes in 1.2.0.6 (13 September 2003)
- Minor FAQ updates
- Update contrib/minizip to 1.00 [Vollant]
- Remove test of gz functions in example.c when GZ_COMPRESS defined [Truta]
- Update POSTINC comment for 68060 [Nikl]
- Add contrib/infback9 with deflate64 decoding (unsupported)
- For MVS define NO_vsnprintf and undefine FAR [van Burik]
- Add pragma for fdopen on MVS [van Burik]
Changes in 1.2.0.5 (8 September 2003)
- Add OF to inflateBackEnd() declaration in zlib.h
- Remember start when using gzdopen in the middle of a file
- Use internal off_t counters in gz* functions to properly handle seeks
- Perform more rigorous check for distance-too-far in inffast.c
- Add Z_BLOCK flush option to return from inflate at block boundary
- Set strm->data_type on return from inflate
- Indicate bits unused, if at block boundary, and if in last block
- Replace size_t with ptrdiff_t in crc32.c, and check for correct size
- Add condition so old NO_DEFLATE define still works for compatibility
- FAQ update regarding the Windows DLL [Truta]
- INDEX update: add qnx entry, remove aix entry [Truta]
- Install zlib.3 into mandir [Wilson]
- Move contrib/zlib_dll_FAQ.txt to win32/DLL_FAQ.txt; update [Truta]
- Adapt the zlib interface to the new DLL convention guidelines [Truta]
- Introduce ZLIB_WINAPI macro to allow the export of functions using
the WINAPI calling convention, for Visual Basic [Vollant, Truta]
- Update msdos and win32 scripts and makefiles [Truta]
- Export symbols by name, not by ordinal, in win32/zlib.def [Truta]
- Add contrib/ada [Anisimkov]
- Move asm files from contrib/vstudio/vc70_32 to contrib/asm386 [Truta]
- Rename contrib/asm386 to contrib/masmx86 [Truta, Vollant]
- Add contrib/masm686 [Truta]
- Fix offsets in contrib/inflate86 and contrib/masmx86/inffas32.asm
[Truta, Vollant]
- Update contrib/delphi; rename to contrib/pascal; add example [Truta]
- Remove contrib/delphi2; add a new contrib/delphi [Truta]
- Avoid inclusion of the nonstandard <memory.h> in contrib/iostream,
and fix some method prototypes [Truta]
- Fix the ZCR_SEED2 constant to avoid warnings in contrib/minizip
[Truta]
- Avoid the use of backslash (\) in contrib/minizip [Vollant]
- Fix file time handling in contrib/untgz; update makefiles [Truta]
- Update contrib/vstudio/vc70_32 to comply with the new DLL guidelines
[Vollant]
- Remove contrib/vstudio/vc15_16 [Vollant]
- Rename contrib/vstudio/vc70_32 to contrib/vstudio/vc7 [Truta]
- Update README.contrib [Truta]
- Invert the assignment order of match_head and s->prev[...] in
INSERT_STRING [Truta]
- Compare TOO_FAR with 32767 instead of 32768, to avoid 16-bit warnings
[Truta]
- Compare function pointers with 0, not with NULL or Z_NULL [Truta]
- Fix prototype of syncsearch in inflate.c [Truta]
- Introduce ASMINF macro to be enabled when using an ASM implementation
of inflate_fast [Truta]
- Change NO_DEFLATE to NO_GZCOMPRESS [Truta]
- Modify test_gzio in example.c to take a single file name as a
parameter [Truta]
- Exit the example.c program if gzopen fails [Truta]
- Add type casts around strlen in example.c [Truta]
- Remove casting to sizeof in minigzip.c; give a proper type
to the variable compared with SUFFIX_LEN [Truta]
- Update definitions of STDC and STDC99 in zconf.h [Truta]
- Synchronize zconf.h with the new Windows DLL interface [Truta]
- Use SYS16BIT instead of __32BIT__ to distinguish between
16- and 32-bit platforms [Truta]
- Use far memory allocators in small 16-bit memory models for
Turbo C [Truta]
- Add info about the use of ASMV, ASMINF and ZLIB_WINAPI in
zlibCompileFlags [Truta]
- Cygwin has vsnprintf [Wilson]
- In Windows16, OS_CODE is 0, as in MSDOS [Truta]
- In Cygwin, OS_CODE is 3 (Unix), not 11 (Windows32) [Wilson]
Changes in 1.2.0.4 (10 August 2003)
- Minor FAQ updates
- Be more strict when checking inflateInit2's windowBits parameter
- Change NO_GUNZIP compile option to NO_GZIP to cover deflate as well
- Add gzip wrapper option to deflateInit2 using windowBits
- Add updated QNX rule in configure and qnx directory [Bonnefoy]
- Make inflate distance-too-far checks more rigorous
- Clean up FAR usage in inflate
- Add casting to sizeof() in gzio.c and minigzip.c
Changes in 1.2.0.3 (19 July 2003)
- Fix silly error in gzungetc() implementation [Vollant]
- Update contrib/minizip and contrib/vstudio [Vollant]
- Fix printf format in example.c
- Correct cdecl support in zconf.in.h [Anisimkov]
- Minor FAQ updates
Changes in 1.2.0.2 (13 July 2003)
- Add ZLIB_VERNUM in zlib.h for numerical preprocessor comparisons
- Attempt to avoid warnings in crc32.c for pointer-int conversion
- Add AIX to configure, remove aix directory [Bakker]
- Add some casts to minigzip.c
- Improve checking after insecure sprintf() or vsprintf() calls
- Remove #elif's from crc32.c
- Change leave label to inf_leave in inflate.c and infback.c to avoid
library conflicts
- Remove inflate gzip decoding by default--only enable gzip decoding by
special request for stricter backward compatibility
- Add zlibCompileFlags() function to return compilation information
- More typecasting in deflate.c to avoid warnings
- Remove leading underscore from _Capital #defines [Truta]
- Fix configure to link shared library when testing
- Add some Windows CE target adjustments [Mai]
- Remove #define ZLIB_DLL in zconf.h [Vollant]
- Add zlib.3 [Rodgers]
- Update RFC URL in deflate.c and algorithm.txt [Mai]
- Add zlib_dll_FAQ.txt to contrib [Truta]
- Add UL to some constants [Truta]
- Update minizip and vstudio [Vollant]
- Remove vestigial NEED_DUMMY_RETURN from zconf.in.h
- Expand use of NO_DUMMY_DECL to avoid all dummy structures
- Added iostream3 to contrib [Schwardt]
- Replace rewind() with fseek() for WinCE [Truta]
- Improve setting of zlib format compression level flags
- Report 0 for huffman and rle strategies and for level == 0 or 1
- Report 2 only for level == 6
- Only deal with 64K limit when necessary at compile time [Truta]
- Allow TOO_FAR check to be turned off at compile time [Truta]
- Add gzclearerr() function [Souza]
- Add gzungetc() function
Changes in 1.2.0.1 (17 March 2003)
- Add Z_RLE strategy for run-length encoding [Truta]
- When Z_RLE requested, restrict matches to distance one
- Update zlib.h, minigzip.c, gzopen(), gzdopen() for Z_RLE
- Correct FASTEST compilation to allow level == 0
- Clean up what gets compiled for FASTEST
- Incorporate changes to zconf.in.h [Vollant]
- Refine detection of Turbo C need for dummy returns
- Refine ZLIB_DLL compilation
- Include additional header file on VMS for off_t typedef
- Try to use _vsnprintf where it supplants vsprintf [Vollant]
- Add some casts in inffast.c
- Enchance comments in zlib.h on what happens if gzprintf() tries to
write more than 4095 bytes before compression
- Remove unused state from inflateBackEnd()
- Remove exit(0) from minigzip.c, example.c
- Get rid of all those darn tabs
- Add "check" target to Makefile.in that does the same thing as "test"
- Add "mostlyclean" and "maintainer-clean" targets to Makefile.in
- Update contrib/inflate86 [Anderson]
- Update contrib/testzlib, contrib/vstudio, contrib/minizip [Vollant]
- Add msdos and win32 directories with makefiles [Truta]
- More additions and improvements to the FAQ
Changes in 1.2.0 (9 March 2003)
- New and improved inflate code
- About 20% faster
- Does not allocate 32K window unless and until needed
- Automatically detects and decompresses gzip streams
- Raw inflate no longer needs an extra dummy byte at end
- Added inflateBack functions using a callback interface--even faster
than inflate, useful for file utilities (gzip, zip)
- Added inflateCopy() function to record state for random access on
externally generated deflate streams (e.g. in gzip files)
- More readable code (I hope)
- New and improved crc32()
- About 50% faster, thanks to suggestions from Rodney Brown
- Add deflateBound() and compressBound() functions
- Fix memory leak in deflateInit2()
- Permit setting dictionary for raw deflate (for parallel deflate)
- Fix const declaration for gzwrite()
- Check for some malloc() failures in gzio.c
- Fix bug in gzopen() on single-byte file 0x1f
- Fix bug in gzread() on concatenated file with 0x1f at end of buffer
and next buffer doesn't start with 0x8b
- Fix uncompress() to return Z_DATA_ERROR on truncated input
- Free memory at end of example.c
- Remove MAX #define in trees.c (conflicted with some libraries)
- Fix static const's in deflate.c, gzio.c, and zutil.[ch]
- Declare malloc() and free() in gzio.c if STDC not defined
- Use malloc() instead of calloc() in zutil.c if int big enough
- Define STDC for AIX
- Add aix/ with approach for compiling shared library on AIX
- Add HP-UX support for shared libraries in configure
- Add OpenUNIX support for shared libraries in configure
- Use $cc instead of gcc to build shared library
- Make prefix directory if needed when installing
- Correct Macintosh avoidance of typedef Byte in zconf.h
- Correct Turbo C memory allocation when under Linux
- Use libz.a instead of -lz in Makefile (assure use of compiled library)
- Update configure to check for snprintf or vsnprintf functions and their
return value, warn during make if using an insecure function
- Fix configure problem with compile-time knowledge of HAVE_UNISTD_H that
is lost when library is used--resolution is to build new zconf.h
- Documentation improvements (in zlib.h):
- Document raw deflate and inflate
- Update RFCs URL
- Point out that zlib and gzip formats are different
- Note that Z_BUF_ERROR is not fatal
- Document string limit for gzprintf() and possible buffer overflow
- Note requirement on avail_out when flushing
- Note permitted values of flush parameter of inflate()
- Add some FAQs (and even answers) to the FAQ
- Add contrib/inflate86/ for x86 faster inflate
- Add contrib/blast/ for PKWare Data Compression Library decompression
- Add contrib/puff/ simple inflate for deflate format description
svn path=/trunk/; revision=25342
2007-01-07 15:56:49 +00:00
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#endif /* __TURBOC__ */
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update from zlib 1.1.4 to 1.2.3
ChangeLog file for zlib
Changes in 1.2.3 (18 July 2005)
- Apply security vulnerability fixes to contrib/infback9 as well
- Clean up some text files (carriage returns, trailing space)
- Update testzlib, vstudio, masmx64, and masmx86 in contrib [Vollant]
Changes in 1.2.2.4 (11 July 2005)
- Add inflatePrime() function for starting inflation at bit boundary
- Avoid some Visual C warnings in deflate.c
- Avoid more silly Visual C warnings in inflate.c and inftrees.c for 64-bit
compile
- Fix some spelling errors in comments [Betts]
- Correct inflateInit2() error return documentation in zlib.h
- Added zran.c example of compressed data random access to examples
directory, shows use of inflatePrime()
- Fix cast for assignments to strm->state in inflate.c and infback.c
- Fix zlibCompileFlags() in zutil.c to use 1L for long shifts [Oberhumer]
- Move declarations of gf2 functions to right place in crc32.c [Oberhumer]
- Add cast in trees.c t avoid a warning [Oberhumer]
- Avoid some warnings in fitblk.c, gun.c, gzjoin.c in examples [Oberhumer]
- Update make_vms.com [Zinser]
- Initialize state->write in inflateReset() since copied in inflate_fast()
- Be more strict on incomplete code sets in inflate_table() and increase
ENOUGH and MAXD -- this repairs a possible security vulnerability for
invalid inflate input. Thanks to Tavis Ormandy and Markus Oberhumer for
discovering the vulnerability and providing test cases.
- Add ia64 support to configure for HP-UX [Smith]
- Add error return to gzread() for format or i/o error [Levin]
- Use malloc.h for OS/2 [Necasek]
Changes in 1.2.2.3 (27 May 2005)
- Replace 1U constants in inflate.c and inftrees.c for 64-bit compile
- Typecast fread() return values in gzio.c [Vollant]
- Remove trailing space in minigzip.c outmode (VC++ can't deal with it)
- Fix crc check bug in gzread() after gzungetc() [Heiner]
- Add the deflateTune() function to adjust internal compression parameters
- Add a fast gzip decompressor, gun.c, to examples (use of inflateBack)
- Remove an incorrect assertion in examples/zpipe.c
- Add C++ wrapper in infback9.h [Donais]
- Fix bug in inflateCopy() when decoding fixed codes
- Note in zlib.h how much deflateSetDictionary() actually uses
- Remove USE_DICT_HEAD in deflate.c (would mess up inflate if used)
- Add _WIN32_WCE to define WIN32 in zconf.in.h [Spencer]
- Don't include stderr.h or errno.h for _WIN32_WCE in zutil.h [Spencer]
- Add gzdirect() function to indicate transparent reads
- Update contrib/minizip [Vollant]
- Fix compilation of deflate.c when both ASMV and FASTEST [Oberhumer]
- Add casts in crc32.c to avoid warnings [Oberhumer]
- Add contrib/masmx64 [Vollant]
- Update contrib/asm586, asm686, masmx86, testzlib, vstudio [Vollant]
Changes in 1.2.2.2 (30 December 2004)
- Replace structure assignments in deflate.c and inflate.c with zmemcpy to
avoid implicit memcpy calls (portability for no-library compilation)
- Increase sprintf() buffer size in gzdopen() to allow for large numbers
- Add INFLATE_STRICT to check distances against zlib header
- Improve WinCE errno handling and comments [Chang]
- Remove comment about no gzip header processing in FAQ
- Add Z_FIXED strategy option to deflateInit2() to force fixed trees
- Add updated make_vms.com [Coghlan], update README
- Create a new "examples" directory, move gzappend.c there, add zpipe.c,
fitblk.c, gzlog.[ch], gzjoin.c, and zlib_how.html.
- Add FAQ entry and comments in deflate.c on uninitialized memory access
- Add Solaris 9 make options in configure [Gilbert]
- Allow strerror() usage in gzio.c for STDC
- Fix DecompressBuf in contrib/delphi/ZLib.pas [ManChesTer]
- Update contrib/masmx86/inffas32.asm and gvmat32.asm [Vollant]
- Use z_off_t for adler32_combine() and crc32_combine() lengths
- Make adler32() much faster for small len
- Use OS_CODE in deflate() default gzip header
Changes in 1.2.2.1 (31 October 2004)
- Allow inflateSetDictionary() call for raw inflate
- Fix inflate header crc check bug for file names and comments
- Add deflateSetHeader() and gz_header structure for custom gzip headers
- Add inflateGetheader() to retrieve gzip headers
- Add crc32_combine() and adler32_combine() functions
- Add alloc_func, free_func, in_func, out_func to Z_PREFIX list
- Use zstreamp consistently in zlib.h (inflate_back functions)
- Remove GUNZIP condition from definition of inflate_mode in inflate.h
and in contrib/inflate86/inffast.S [Truta, Anderson]
- Add support for AMD64 in contrib/inflate86/inffas86.c [Anderson]
- Update projects/README.projects and projects/visualc6 [Truta]
- Update win32/DLL_FAQ.txt [Truta]
- Avoid warning under NO_GZCOMPRESS in gzio.c; fix typo [Truta]
- Deprecate Z_ASCII; use Z_TEXT instead [Truta]
- Use a new algorithm for setting strm->data_type in trees.c [Truta]
- Do not define an exit() prototype in zutil.c unless DEBUG defined
- Remove prototype of exit() from zutil.c, example.c, minigzip.c [Truta]
- Add comment in zlib.h for Z_NO_FLUSH parameter to deflate()
- Fix Darwin build version identification [Peterson]
Changes in 1.2.2 (3 October 2004)
- Update zlib.h comments on gzip in-memory processing
- Set adler to 1 in inflateReset() to support Java test suite [Walles]
- Add contrib/dotzlib [Ravn]
- Update win32/DLL_FAQ.txt [Truta]
- Update contrib/minizip [Vollant]
- Move contrib/visual-basic.txt to old/ [Truta]
- Fix assembler builds in projects/visualc6/ [Truta]
Changes in 1.2.1.2 (9 September 2004)
- Update INDEX file
- Fix trees.c to update strm->data_type (no one ever noticed!)
- Fix bug in error case in inflate.c, infback.c, and infback9.c [Brown]
- Add "volatile" to crc table flag declaration (for DYNAMIC_CRC_TABLE)
- Add limited multitasking protection to DYNAMIC_CRC_TABLE
- Add NO_vsnprintf for VMS in zutil.h [Mozilla]
- Don't declare strerror() under VMS [Mozilla]
- Add comment to DYNAMIC_CRC_TABLE to use get_crc_table() to initialize
- Update contrib/ada [Anisimkov]
- Update contrib/minizip [Vollant]
- Fix configure to not hardcode directories for Darwin [Peterson]
- Fix gzio.c to not return error on empty files [Brown]
- Fix indentation; update version in contrib/delphi/ZLib.pas and
contrib/pascal/zlibpas.pas [Truta]
- Update mkasm.bat in contrib/masmx86 [Truta]
- Update contrib/untgz [Truta]
- Add projects/README.projects [Truta]
- Add project for MS Visual C++ 6.0 in projects/visualc6 [Cadieux, Truta]
- Update win32/DLL_FAQ.txt [Truta]
- Update list of Z_PREFIX symbols in zconf.h [Randers-Pehrson, Truta]
- Remove an unnecessary assignment to curr in inftrees.c [Truta]
- Add OS/2 to exe builds in configure [Poltorak]
- Remove err dummy parameter in zlib.h [Kientzle]
Changes in 1.2.1.1 (9 January 2004)
- Update email address in README
- Several FAQ updates
- Fix a big fat bug in inftrees.c that prevented decoding valid
dynamic blocks with only literals and no distance codes --
Thanks to "Hot Emu" for the bug report and sample file
- Add a note to puff.c on no distance codes case.
Changes in 1.2.1 (17 November 2003)
- Remove a tab in contrib/gzappend/gzappend.c
- Update some interfaces in contrib for new zlib functions
- Update zlib version number in some contrib entries
- Add Windows CE definition for ptrdiff_t in zutil.h [Mai, Truta]
- Support shared libraries on Hurd and KFreeBSD [Brown]
- Fix error in NO_DIVIDE option of adler32.c
Changes in 1.2.0.8 (4 November 2003)
- Update version in contrib/delphi/ZLib.pas and contrib/pascal/zlibpas.pas
- Add experimental NO_DIVIDE #define in adler32.c
- Possibly faster on some processors (let me know if it is)
- Correct Z_BLOCK to not return on first inflate call if no wrap
- Fix strm->data_type on inflate() return to correctly indicate EOB
- Add deflatePrime() function for appending in the middle of a byte
- Add contrib/gzappend for an example of appending to a stream
- Update win32/DLL_FAQ.txt [Truta]
- Delete Turbo C comment in README [Truta]
- Improve some indentation in zconf.h [Truta]
- Fix infinite loop on bad input in configure script [Church]
- Fix gzeof() for concatenated gzip files [Johnson]
- Add example to contrib/visual-basic.txt [Michael B.]
- Add -p to mkdir's in Makefile.in [vda]
- Fix configure to properly detect presence or lack of printf functions
- Add AS400 support [Monnerat]
- Add a little Cygwin support [Wilson]
Changes in 1.2.0.7 (21 September 2003)
- Correct some debug formats in contrib/infback9
- Cast a type in a debug statement in trees.c
- Change search and replace delimiter in configure from % to # [Beebe]
- Update contrib/untgz to 0.2 with various fixes [Truta]
- Add build support for Amiga [Nikl]
- Remove some directories in old that have been updated to 1.2
- Add dylib building for Mac OS X in configure and Makefile.in
- Remove old distribution stuff from Makefile
- Update README to point to DLL_FAQ.txt, and add comment on Mac OS X
- Update links in README
Changes in 1.2.0.6 (13 September 2003)
- Minor FAQ updates
- Update contrib/minizip to 1.00 [Vollant]
- Remove test of gz functions in example.c when GZ_COMPRESS defined [Truta]
- Update POSTINC comment for 68060 [Nikl]
- Add contrib/infback9 with deflate64 decoding (unsupported)
- For MVS define NO_vsnprintf and undefine FAR [van Burik]
- Add pragma for fdopen on MVS [van Burik]
Changes in 1.2.0.5 (8 September 2003)
- Add OF to inflateBackEnd() declaration in zlib.h
- Remember start when using gzdopen in the middle of a file
- Use internal off_t counters in gz* functions to properly handle seeks
- Perform more rigorous check for distance-too-far in inffast.c
- Add Z_BLOCK flush option to return from inflate at block boundary
- Set strm->data_type on return from inflate
- Indicate bits unused, if at block boundary, and if in last block
- Replace size_t with ptrdiff_t in crc32.c, and check for correct size
- Add condition so old NO_DEFLATE define still works for compatibility
- FAQ update regarding the Windows DLL [Truta]
- INDEX update: add qnx entry, remove aix entry [Truta]
- Install zlib.3 into mandir [Wilson]
- Move contrib/zlib_dll_FAQ.txt to win32/DLL_FAQ.txt; update [Truta]
- Adapt the zlib interface to the new DLL convention guidelines [Truta]
- Introduce ZLIB_WINAPI macro to allow the export of functions using
the WINAPI calling convention, for Visual Basic [Vollant, Truta]
- Update msdos and win32 scripts and makefiles [Truta]
- Export symbols by name, not by ordinal, in win32/zlib.def [Truta]
- Add contrib/ada [Anisimkov]
- Move asm files from contrib/vstudio/vc70_32 to contrib/asm386 [Truta]
- Rename contrib/asm386 to contrib/masmx86 [Truta, Vollant]
- Add contrib/masm686 [Truta]
- Fix offsets in contrib/inflate86 and contrib/masmx86/inffas32.asm
[Truta, Vollant]
- Update contrib/delphi; rename to contrib/pascal; add example [Truta]
- Remove contrib/delphi2; add a new contrib/delphi [Truta]
- Avoid inclusion of the nonstandard <memory.h> in contrib/iostream,
and fix some method prototypes [Truta]
- Fix the ZCR_SEED2 constant to avoid warnings in contrib/minizip
[Truta]
- Avoid the use of backslash (\) in contrib/minizip [Vollant]
- Fix file time handling in contrib/untgz; update makefiles [Truta]
- Update contrib/vstudio/vc70_32 to comply with the new DLL guidelines
[Vollant]
- Remove contrib/vstudio/vc15_16 [Vollant]
- Rename contrib/vstudio/vc70_32 to contrib/vstudio/vc7 [Truta]
- Update README.contrib [Truta]
- Invert the assignment order of match_head and s->prev[...] in
INSERT_STRING [Truta]
- Compare TOO_FAR with 32767 instead of 32768, to avoid 16-bit warnings
[Truta]
- Compare function pointers with 0, not with NULL or Z_NULL [Truta]
- Fix prototype of syncsearch in inflate.c [Truta]
- Introduce ASMINF macro to be enabled when using an ASM implementation
of inflate_fast [Truta]
- Change NO_DEFLATE to NO_GZCOMPRESS [Truta]
- Modify test_gzio in example.c to take a single file name as a
parameter [Truta]
- Exit the example.c program if gzopen fails [Truta]
- Add type casts around strlen in example.c [Truta]
- Remove casting to sizeof in minigzip.c; give a proper type
to the variable compared with SUFFIX_LEN [Truta]
- Update definitions of STDC and STDC99 in zconf.h [Truta]
- Synchronize zconf.h with the new Windows DLL interface [Truta]
- Use SYS16BIT instead of __32BIT__ to distinguish between
16- and 32-bit platforms [Truta]
- Use far memory allocators in small 16-bit memory models for
Turbo C [Truta]
- Add info about the use of ASMV, ASMINF and ZLIB_WINAPI in
zlibCompileFlags [Truta]
- Cygwin has vsnprintf [Wilson]
- In Windows16, OS_CODE is 0, as in MSDOS [Truta]
- In Cygwin, OS_CODE is 3 (Unix), not 11 (Windows32) [Wilson]
Changes in 1.2.0.4 (10 August 2003)
- Minor FAQ updates
- Be more strict when checking inflateInit2's windowBits parameter
- Change NO_GUNZIP compile option to NO_GZIP to cover deflate as well
- Add gzip wrapper option to deflateInit2 using windowBits
- Add updated QNX rule in configure and qnx directory [Bonnefoy]
- Make inflate distance-too-far checks more rigorous
- Clean up FAR usage in inflate
- Add casting to sizeof() in gzio.c and minigzip.c
Changes in 1.2.0.3 (19 July 2003)
- Fix silly error in gzungetc() implementation [Vollant]
- Update contrib/minizip and contrib/vstudio [Vollant]
- Fix printf format in example.c
- Correct cdecl support in zconf.in.h [Anisimkov]
- Minor FAQ updates
Changes in 1.2.0.2 (13 July 2003)
- Add ZLIB_VERNUM in zlib.h for numerical preprocessor comparisons
- Attempt to avoid warnings in crc32.c for pointer-int conversion
- Add AIX to configure, remove aix directory [Bakker]
- Add some casts to minigzip.c
- Improve checking after insecure sprintf() or vsprintf() calls
- Remove #elif's from crc32.c
- Change leave label to inf_leave in inflate.c and infback.c to avoid
library conflicts
- Remove inflate gzip decoding by default--only enable gzip decoding by
special request for stricter backward compatibility
- Add zlibCompileFlags() function to return compilation information
- More typecasting in deflate.c to avoid warnings
- Remove leading underscore from _Capital #defines [Truta]
- Fix configure to link shared library when testing
- Add some Windows CE target adjustments [Mai]
- Remove #define ZLIB_DLL in zconf.h [Vollant]
- Add zlib.3 [Rodgers]
- Update RFC URL in deflate.c and algorithm.txt [Mai]
- Add zlib_dll_FAQ.txt to contrib [Truta]
- Add UL to some constants [Truta]
- Update minizip and vstudio [Vollant]
- Remove vestigial NEED_DUMMY_RETURN from zconf.in.h
- Expand use of NO_DUMMY_DECL to avoid all dummy structures
- Added iostream3 to contrib [Schwardt]
- Replace rewind() with fseek() for WinCE [Truta]
- Improve setting of zlib format compression level flags
- Report 0 for huffman and rle strategies and for level == 0 or 1
- Report 2 only for level == 6
- Only deal with 64K limit when necessary at compile time [Truta]
- Allow TOO_FAR check to be turned off at compile time [Truta]
- Add gzclearerr() function [Souza]
- Add gzungetc() function
Changes in 1.2.0.1 (17 March 2003)
- Add Z_RLE strategy for run-length encoding [Truta]
- When Z_RLE requested, restrict matches to distance one
- Update zlib.h, minigzip.c, gzopen(), gzdopen() for Z_RLE
- Correct FASTEST compilation to allow level == 0
- Clean up what gets compiled for FASTEST
- Incorporate changes to zconf.in.h [Vollant]
- Refine detection of Turbo C need for dummy returns
- Refine ZLIB_DLL compilation
- Include additional header file on VMS for off_t typedef
- Try to use _vsnprintf where it supplants vsprintf [Vollant]
- Add some casts in inffast.c
- Enchance comments in zlib.h on what happens if gzprintf() tries to
write more than 4095 bytes before compression
- Remove unused state from inflateBackEnd()
- Remove exit(0) from minigzip.c, example.c
- Get rid of all those darn tabs
- Add "check" target to Makefile.in that does the same thing as "test"
- Add "mostlyclean" and "maintainer-clean" targets to Makefile.in
- Update contrib/inflate86 [Anderson]
- Update contrib/testzlib, contrib/vstudio, contrib/minizip [Vollant]
- Add msdos and win32 directories with makefiles [Truta]
- More additions and improvements to the FAQ
Changes in 1.2.0 (9 March 2003)
- New and improved inflate code
- About 20% faster
- Does not allocate 32K window unless and until needed
- Automatically detects and decompresses gzip streams
- Raw inflate no longer needs an extra dummy byte at end
- Added inflateBack functions using a callback interface--even faster
than inflate, useful for file utilities (gzip, zip)
- Added inflateCopy() function to record state for random access on
externally generated deflate streams (e.g. in gzip files)
- More readable code (I hope)
- New and improved crc32()
- About 50% faster, thanks to suggestions from Rodney Brown
- Add deflateBound() and compressBound() functions
- Fix memory leak in deflateInit2()
- Permit setting dictionary for raw deflate (for parallel deflate)
- Fix const declaration for gzwrite()
- Check for some malloc() failures in gzio.c
- Fix bug in gzopen() on single-byte file 0x1f
- Fix bug in gzread() on concatenated file with 0x1f at end of buffer
and next buffer doesn't start with 0x8b
- Fix uncompress() to return Z_DATA_ERROR on truncated input
- Free memory at end of example.c
- Remove MAX #define in trees.c (conflicted with some libraries)
- Fix static const's in deflate.c, gzio.c, and zutil.[ch]
- Declare malloc() and free() in gzio.c if STDC not defined
- Use malloc() instead of calloc() in zutil.c if int big enough
- Define STDC for AIX
- Add aix/ with approach for compiling shared library on AIX
- Add HP-UX support for shared libraries in configure
- Add OpenUNIX support for shared libraries in configure
- Use $cc instead of gcc to build shared library
- Make prefix directory if needed when installing
- Correct Macintosh avoidance of typedef Byte in zconf.h
- Correct Turbo C memory allocation when under Linux
- Use libz.a instead of -lz in Makefile (assure use of compiled library)
- Update configure to check for snprintf or vsnprintf functions and their
return value, warn during make if using an insecure function
- Fix configure problem with compile-time knowledge of HAVE_UNISTD_H that
is lost when library is used--resolution is to build new zconf.h
- Documentation improvements (in zlib.h):
- Document raw deflate and inflate
- Update RFCs URL
- Point out that zlib and gzip formats are different
- Note that Z_BUF_ERROR is not fatal
- Document string limit for gzprintf() and possible buffer overflow
- Note requirement on avail_out when flushing
- Note permitted values of flush parameter of inflate()
- Add some FAQs (and even answers) to the FAQ
- Add contrib/inflate86/ for x86 faster inflate
- Add contrib/blast/ for PKWare Data Compression Library decompression
- Add contrib/puff/ simple inflate for deflate format description
svn path=/trunk/; revision=25342
2007-01-07 15:56:49 +00:00
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#ifdef M_I86
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2002-03-17 21:05:05 +00:00
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/* Microsoft C in 16-bit mode */
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# define MY_ZCALLOC
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#if (!defined(_MSC_VER) || (_MSC_VER <= 600))
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# define _halloc halloc
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# define _hfree hfree
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#endif
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2010-07-03 22:34:05 +00:00
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voidpf ZLIB_INTERNAL zcalloc (voidpf opaque, uInt items, uInt size)
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2002-03-17 21:05:05 +00:00
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{
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if (opaque) opaque = 0; /* to make compiler happy */
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return _halloc((long)items, size);
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}
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2010-07-03 22:34:05 +00:00
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void ZLIB_INTERNAL zcfree (voidpf opaque, voidpf ptr)
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2002-03-17 21:05:05 +00:00
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{
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if (opaque) opaque = 0; /* to make compiler happy */
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_hfree(ptr);
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}
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update from zlib 1.1.4 to 1.2.3
ChangeLog file for zlib
Changes in 1.2.3 (18 July 2005)
- Apply security vulnerability fixes to contrib/infback9 as well
- Clean up some text files (carriage returns, trailing space)
- Update testzlib, vstudio, masmx64, and masmx86 in contrib [Vollant]
Changes in 1.2.2.4 (11 July 2005)
- Add inflatePrime() function for starting inflation at bit boundary
- Avoid some Visual C warnings in deflate.c
- Avoid more silly Visual C warnings in inflate.c and inftrees.c for 64-bit
compile
- Fix some spelling errors in comments [Betts]
- Correct inflateInit2() error return documentation in zlib.h
- Added zran.c example of compressed data random access to examples
directory, shows use of inflatePrime()
- Fix cast for assignments to strm->state in inflate.c and infback.c
- Fix zlibCompileFlags() in zutil.c to use 1L for long shifts [Oberhumer]
- Move declarations of gf2 functions to right place in crc32.c [Oberhumer]
- Add cast in trees.c t avoid a warning [Oberhumer]
- Avoid some warnings in fitblk.c, gun.c, gzjoin.c in examples [Oberhumer]
- Update make_vms.com [Zinser]
- Initialize state->write in inflateReset() since copied in inflate_fast()
- Be more strict on incomplete code sets in inflate_table() and increase
ENOUGH and MAXD -- this repairs a possible security vulnerability for
invalid inflate input. Thanks to Tavis Ormandy and Markus Oberhumer for
discovering the vulnerability and providing test cases.
- Add ia64 support to configure for HP-UX [Smith]
- Add error return to gzread() for format or i/o error [Levin]
- Use malloc.h for OS/2 [Necasek]
Changes in 1.2.2.3 (27 May 2005)
- Replace 1U constants in inflate.c and inftrees.c for 64-bit compile
- Typecast fread() return values in gzio.c [Vollant]
- Remove trailing space in minigzip.c outmode (VC++ can't deal with it)
- Fix crc check bug in gzread() after gzungetc() [Heiner]
- Add the deflateTune() function to adjust internal compression parameters
- Add a fast gzip decompressor, gun.c, to examples (use of inflateBack)
- Remove an incorrect assertion in examples/zpipe.c
- Add C++ wrapper in infback9.h [Donais]
- Fix bug in inflateCopy() when decoding fixed codes
- Note in zlib.h how much deflateSetDictionary() actually uses
- Remove USE_DICT_HEAD in deflate.c (would mess up inflate if used)
- Add _WIN32_WCE to define WIN32 in zconf.in.h [Spencer]
- Don't include stderr.h or errno.h for _WIN32_WCE in zutil.h [Spencer]
- Add gzdirect() function to indicate transparent reads
- Update contrib/minizip [Vollant]
- Fix compilation of deflate.c when both ASMV and FASTEST [Oberhumer]
- Add casts in crc32.c to avoid warnings [Oberhumer]
- Add contrib/masmx64 [Vollant]
- Update contrib/asm586, asm686, masmx86, testzlib, vstudio [Vollant]
Changes in 1.2.2.2 (30 December 2004)
- Replace structure assignments in deflate.c and inflate.c with zmemcpy to
avoid implicit memcpy calls (portability for no-library compilation)
- Increase sprintf() buffer size in gzdopen() to allow for large numbers
- Add INFLATE_STRICT to check distances against zlib header
- Improve WinCE errno handling and comments [Chang]
- Remove comment about no gzip header processing in FAQ
- Add Z_FIXED strategy option to deflateInit2() to force fixed trees
- Add updated make_vms.com [Coghlan], update README
- Create a new "examples" directory, move gzappend.c there, add zpipe.c,
fitblk.c, gzlog.[ch], gzjoin.c, and zlib_how.html.
- Add FAQ entry and comments in deflate.c on uninitialized memory access
- Add Solaris 9 make options in configure [Gilbert]
- Allow strerror() usage in gzio.c for STDC
- Fix DecompressBuf in contrib/delphi/ZLib.pas [ManChesTer]
- Update contrib/masmx86/inffas32.asm and gvmat32.asm [Vollant]
- Use z_off_t for adler32_combine() and crc32_combine() lengths
- Make adler32() much faster for small len
- Use OS_CODE in deflate() default gzip header
Changes in 1.2.2.1 (31 October 2004)
- Allow inflateSetDictionary() call for raw inflate
- Fix inflate header crc check bug for file names and comments
- Add deflateSetHeader() and gz_header structure for custom gzip headers
- Add inflateGetheader() to retrieve gzip headers
- Add crc32_combine() and adler32_combine() functions
- Add alloc_func, free_func, in_func, out_func to Z_PREFIX list
- Use zstreamp consistently in zlib.h (inflate_back functions)
- Remove GUNZIP condition from definition of inflate_mode in inflate.h
and in contrib/inflate86/inffast.S [Truta, Anderson]
- Add support for AMD64 in contrib/inflate86/inffas86.c [Anderson]
- Update projects/README.projects and projects/visualc6 [Truta]
- Update win32/DLL_FAQ.txt [Truta]
- Avoid warning under NO_GZCOMPRESS in gzio.c; fix typo [Truta]
- Deprecate Z_ASCII; use Z_TEXT instead [Truta]
- Use a new algorithm for setting strm->data_type in trees.c [Truta]
- Do not define an exit() prototype in zutil.c unless DEBUG defined
- Remove prototype of exit() from zutil.c, example.c, minigzip.c [Truta]
- Add comment in zlib.h for Z_NO_FLUSH parameter to deflate()
- Fix Darwin build version identification [Peterson]
Changes in 1.2.2 (3 October 2004)
- Update zlib.h comments on gzip in-memory processing
- Set adler to 1 in inflateReset() to support Java test suite [Walles]
- Add contrib/dotzlib [Ravn]
- Update win32/DLL_FAQ.txt [Truta]
- Update contrib/minizip [Vollant]
- Move contrib/visual-basic.txt to old/ [Truta]
- Fix assembler builds in projects/visualc6/ [Truta]
Changes in 1.2.1.2 (9 September 2004)
- Update INDEX file
- Fix trees.c to update strm->data_type (no one ever noticed!)
- Fix bug in error case in inflate.c, infback.c, and infback9.c [Brown]
- Add "volatile" to crc table flag declaration (for DYNAMIC_CRC_TABLE)
- Add limited multitasking protection to DYNAMIC_CRC_TABLE
- Add NO_vsnprintf for VMS in zutil.h [Mozilla]
- Don't declare strerror() under VMS [Mozilla]
- Add comment to DYNAMIC_CRC_TABLE to use get_crc_table() to initialize
- Update contrib/ada [Anisimkov]
- Update contrib/minizip [Vollant]
- Fix configure to not hardcode directories for Darwin [Peterson]
- Fix gzio.c to not return error on empty files [Brown]
- Fix indentation; update version in contrib/delphi/ZLib.pas and
contrib/pascal/zlibpas.pas [Truta]
- Update mkasm.bat in contrib/masmx86 [Truta]
- Update contrib/untgz [Truta]
- Add projects/README.projects [Truta]
- Add project for MS Visual C++ 6.0 in projects/visualc6 [Cadieux, Truta]
- Update win32/DLL_FAQ.txt [Truta]
- Update list of Z_PREFIX symbols in zconf.h [Randers-Pehrson, Truta]
- Remove an unnecessary assignment to curr in inftrees.c [Truta]
- Add OS/2 to exe builds in configure [Poltorak]
- Remove err dummy parameter in zlib.h [Kientzle]
Changes in 1.2.1.1 (9 January 2004)
- Update email address in README
- Several FAQ updates
- Fix a big fat bug in inftrees.c that prevented decoding valid
dynamic blocks with only literals and no distance codes --
Thanks to "Hot Emu" for the bug report and sample file
- Add a note to puff.c on no distance codes case.
Changes in 1.2.1 (17 November 2003)
- Remove a tab in contrib/gzappend/gzappend.c
- Update some interfaces in contrib for new zlib functions
- Update zlib version number in some contrib entries
- Add Windows CE definition for ptrdiff_t in zutil.h [Mai, Truta]
- Support shared libraries on Hurd and KFreeBSD [Brown]
- Fix error in NO_DIVIDE option of adler32.c
Changes in 1.2.0.8 (4 November 2003)
- Update version in contrib/delphi/ZLib.pas and contrib/pascal/zlibpas.pas
- Add experimental NO_DIVIDE #define in adler32.c
- Possibly faster on some processors (let me know if it is)
- Correct Z_BLOCK to not return on first inflate call if no wrap
- Fix strm->data_type on inflate() return to correctly indicate EOB
- Add deflatePrime() function for appending in the middle of a byte
- Add contrib/gzappend for an example of appending to a stream
- Update win32/DLL_FAQ.txt [Truta]
- Delete Turbo C comment in README [Truta]
- Improve some indentation in zconf.h [Truta]
- Fix infinite loop on bad input in configure script [Church]
- Fix gzeof() for concatenated gzip files [Johnson]
- Add example to contrib/visual-basic.txt [Michael B.]
- Add -p to mkdir's in Makefile.in [vda]
- Fix configure to properly detect presence or lack of printf functions
- Add AS400 support [Monnerat]
- Add a little Cygwin support [Wilson]
Changes in 1.2.0.7 (21 September 2003)
- Correct some debug formats in contrib/infback9
- Cast a type in a debug statement in trees.c
- Change search and replace delimiter in configure from % to # [Beebe]
- Update contrib/untgz to 0.2 with various fixes [Truta]
- Add build support for Amiga [Nikl]
- Remove some directories in old that have been updated to 1.2
- Add dylib building for Mac OS X in configure and Makefile.in
- Remove old distribution stuff from Makefile
- Update README to point to DLL_FAQ.txt, and add comment on Mac OS X
- Update links in README
Changes in 1.2.0.6 (13 September 2003)
- Minor FAQ updates
- Update contrib/minizip to 1.00 [Vollant]
- Remove test of gz functions in example.c when GZ_COMPRESS defined [Truta]
- Update POSTINC comment for 68060 [Nikl]
- Add contrib/infback9 with deflate64 decoding (unsupported)
- For MVS define NO_vsnprintf and undefine FAR [van Burik]
- Add pragma for fdopen on MVS [van Burik]
Changes in 1.2.0.5 (8 September 2003)
- Add OF to inflateBackEnd() declaration in zlib.h
- Remember start when using gzdopen in the middle of a file
- Use internal off_t counters in gz* functions to properly handle seeks
- Perform more rigorous check for distance-too-far in inffast.c
- Add Z_BLOCK flush option to return from inflate at block boundary
- Set strm->data_type on return from inflate
- Indicate bits unused, if at block boundary, and if in last block
- Replace size_t with ptrdiff_t in crc32.c, and check for correct size
- Add condition so old NO_DEFLATE define still works for compatibility
- FAQ update regarding the Windows DLL [Truta]
- INDEX update: add qnx entry, remove aix entry [Truta]
- Install zlib.3 into mandir [Wilson]
- Move contrib/zlib_dll_FAQ.txt to win32/DLL_FAQ.txt; update [Truta]
- Adapt the zlib interface to the new DLL convention guidelines [Truta]
- Introduce ZLIB_WINAPI macro to allow the export of functions using
the WINAPI calling convention, for Visual Basic [Vollant, Truta]
- Update msdos and win32 scripts and makefiles [Truta]
- Export symbols by name, not by ordinal, in win32/zlib.def [Truta]
- Add contrib/ada [Anisimkov]
- Move asm files from contrib/vstudio/vc70_32 to contrib/asm386 [Truta]
- Rename contrib/asm386 to contrib/masmx86 [Truta, Vollant]
- Add contrib/masm686 [Truta]
- Fix offsets in contrib/inflate86 and contrib/masmx86/inffas32.asm
[Truta, Vollant]
- Update contrib/delphi; rename to contrib/pascal; add example [Truta]
- Remove contrib/delphi2; add a new contrib/delphi [Truta]
- Avoid inclusion of the nonstandard <memory.h> in contrib/iostream,
and fix some method prototypes [Truta]
- Fix the ZCR_SEED2 constant to avoid warnings in contrib/minizip
[Truta]
- Avoid the use of backslash (\) in contrib/minizip [Vollant]
- Fix file time handling in contrib/untgz; update makefiles [Truta]
- Update contrib/vstudio/vc70_32 to comply with the new DLL guidelines
[Vollant]
- Remove contrib/vstudio/vc15_16 [Vollant]
- Rename contrib/vstudio/vc70_32 to contrib/vstudio/vc7 [Truta]
- Update README.contrib [Truta]
- Invert the assignment order of match_head and s->prev[...] in
INSERT_STRING [Truta]
- Compare TOO_FAR with 32767 instead of 32768, to avoid 16-bit warnings
[Truta]
- Compare function pointers with 0, not with NULL or Z_NULL [Truta]
- Fix prototype of syncsearch in inflate.c [Truta]
- Introduce ASMINF macro to be enabled when using an ASM implementation
of inflate_fast [Truta]
- Change NO_DEFLATE to NO_GZCOMPRESS [Truta]
- Modify test_gzio in example.c to take a single file name as a
parameter [Truta]
- Exit the example.c program if gzopen fails [Truta]
- Add type casts around strlen in example.c [Truta]
- Remove casting to sizeof in minigzip.c; give a proper type
to the variable compared with SUFFIX_LEN [Truta]
- Update definitions of STDC and STDC99 in zconf.h [Truta]
- Synchronize zconf.h with the new Windows DLL interface [Truta]
- Use SYS16BIT instead of __32BIT__ to distinguish between
16- and 32-bit platforms [Truta]
- Use far memory allocators in small 16-bit memory models for
Turbo C [Truta]
- Add info about the use of ASMV, ASMINF and ZLIB_WINAPI in
zlibCompileFlags [Truta]
- Cygwin has vsnprintf [Wilson]
- In Windows16, OS_CODE is 0, as in MSDOS [Truta]
- In Cygwin, OS_CODE is 3 (Unix), not 11 (Windows32) [Wilson]
Changes in 1.2.0.4 (10 August 2003)
- Minor FAQ updates
- Be more strict when checking inflateInit2's windowBits parameter
- Change NO_GUNZIP compile option to NO_GZIP to cover deflate as well
- Add gzip wrapper option to deflateInit2 using windowBits
- Add updated QNX rule in configure and qnx directory [Bonnefoy]
- Make inflate distance-too-far checks more rigorous
- Clean up FAR usage in inflate
- Add casting to sizeof() in gzio.c and minigzip.c
Changes in 1.2.0.3 (19 July 2003)
- Fix silly error in gzungetc() implementation [Vollant]
- Update contrib/minizip and contrib/vstudio [Vollant]
- Fix printf format in example.c
- Correct cdecl support in zconf.in.h [Anisimkov]
- Minor FAQ updates
Changes in 1.2.0.2 (13 July 2003)
- Add ZLIB_VERNUM in zlib.h for numerical preprocessor comparisons
- Attempt to avoid warnings in crc32.c for pointer-int conversion
- Add AIX to configure, remove aix directory [Bakker]
- Add some casts to minigzip.c
- Improve checking after insecure sprintf() or vsprintf() calls
- Remove #elif's from crc32.c
- Change leave label to inf_leave in inflate.c and infback.c to avoid
library conflicts
- Remove inflate gzip decoding by default--only enable gzip decoding by
special request for stricter backward compatibility
- Add zlibCompileFlags() function to return compilation information
- More typecasting in deflate.c to avoid warnings
- Remove leading underscore from _Capital #defines [Truta]
- Fix configure to link shared library when testing
- Add some Windows CE target adjustments [Mai]
- Remove #define ZLIB_DLL in zconf.h [Vollant]
- Add zlib.3 [Rodgers]
- Update RFC URL in deflate.c and algorithm.txt [Mai]
- Add zlib_dll_FAQ.txt to contrib [Truta]
- Add UL to some constants [Truta]
- Update minizip and vstudio [Vollant]
- Remove vestigial NEED_DUMMY_RETURN from zconf.in.h
- Expand use of NO_DUMMY_DECL to avoid all dummy structures
- Added iostream3 to contrib [Schwardt]
- Replace rewind() with fseek() for WinCE [Truta]
- Improve setting of zlib format compression level flags
- Report 0 for huffman and rle strategies and for level == 0 or 1
- Report 2 only for level == 6
- Only deal with 64K limit when necessary at compile time [Truta]
- Allow TOO_FAR check to be turned off at compile time [Truta]
- Add gzclearerr() function [Souza]
- Add gzungetc() function
Changes in 1.2.0.1 (17 March 2003)
- Add Z_RLE strategy for run-length encoding [Truta]
- When Z_RLE requested, restrict matches to distance one
- Update zlib.h, minigzip.c, gzopen(), gzdopen() for Z_RLE
- Correct FASTEST compilation to allow level == 0
- Clean up what gets compiled for FASTEST
- Incorporate changes to zconf.in.h [Vollant]
- Refine detection of Turbo C need for dummy returns
- Refine ZLIB_DLL compilation
- Include additional header file on VMS for off_t typedef
- Try to use _vsnprintf where it supplants vsprintf [Vollant]
- Add some casts in inffast.c
- Enchance comments in zlib.h on what happens if gzprintf() tries to
write more than 4095 bytes before compression
- Remove unused state from inflateBackEnd()
- Remove exit(0) from minigzip.c, example.c
- Get rid of all those darn tabs
- Add "check" target to Makefile.in that does the same thing as "test"
- Add "mostlyclean" and "maintainer-clean" targets to Makefile.in
- Update contrib/inflate86 [Anderson]
- Update contrib/testzlib, contrib/vstudio, contrib/minizip [Vollant]
- Add msdos and win32 directories with makefiles [Truta]
- More additions and improvements to the FAQ
Changes in 1.2.0 (9 March 2003)
- New and improved inflate code
- About 20% faster
- Does not allocate 32K window unless and until needed
- Automatically detects and decompresses gzip streams
- Raw inflate no longer needs an extra dummy byte at end
- Added inflateBack functions using a callback interface--even faster
than inflate, useful for file utilities (gzip, zip)
- Added inflateCopy() function to record state for random access on
externally generated deflate streams (e.g. in gzip files)
- More readable code (I hope)
- New and improved crc32()
- About 50% faster, thanks to suggestions from Rodney Brown
- Add deflateBound() and compressBound() functions
- Fix memory leak in deflateInit2()
- Permit setting dictionary for raw deflate (for parallel deflate)
- Fix const declaration for gzwrite()
- Check for some malloc() failures in gzio.c
- Fix bug in gzopen() on single-byte file 0x1f
- Fix bug in gzread() on concatenated file with 0x1f at end of buffer
and next buffer doesn't start with 0x8b
- Fix uncompress() to return Z_DATA_ERROR on truncated input
- Free memory at end of example.c
- Remove MAX #define in trees.c (conflicted with some libraries)
- Fix static const's in deflate.c, gzio.c, and zutil.[ch]
- Declare malloc() and free() in gzio.c if STDC not defined
- Use malloc() instead of calloc() in zutil.c if int big enough
- Define STDC for AIX
- Add aix/ with approach for compiling shared library on AIX
- Add HP-UX support for shared libraries in configure
- Add OpenUNIX support for shared libraries in configure
- Use $cc instead of gcc to build shared library
- Make prefix directory if needed when installing
- Correct Macintosh avoidance of typedef Byte in zconf.h
- Correct Turbo C memory allocation when under Linux
- Use libz.a instead of -lz in Makefile (assure use of compiled library)
- Update configure to check for snprintf or vsnprintf functions and their
return value, warn during make if using an insecure function
- Fix configure problem with compile-time knowledge of HAVE_UNISTD_H that
is lost when library is used--resolution is to build new zconf.h
- Documentation improvements (in zlib.h):
- Document raw deflate and inflate
- Update RFCs URL
- Point out that zlib and gzip formats are different
- Note that Z_BUF_ERROR is not fatal
- Document string limit for gzprintf() and possible buffer overflow
- Note requirement on avail_out when flushing
- Note permitted values of flush parameter of inflate()
- Add some FAQs (and even answers) to the FAQ
- Add contrib/inflate86/ for x86 faster inflate
- Add contrib/blast/ for PKWare Data Compression Library decompression
- Add contrib/puff/ simple inflate for deflate format description
svn path=/trunk/; revision=25342
2007-01-07 15:56:49 +00:00
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#endif /* M_I86 */
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#endif /* SYS16BIT */
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2002-03-17 21:05:05 +00:00
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#ifndef MY_ZCALLOC /* Any system without a special alloc function */
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#ifndef STDC
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update from zlib 1.1.4 to 1.2.3
ChangeLog file for zlib
Changes in 1.2.3 (18 July 2005)
- Apply security vulnerability fixes to contrib/infback9 as well
- Clean up some text files (carriage returns, trailing space)
- Update testzlib, vstudio, masmx64, and masmx86 in contrib [Vollant]
Changes in 1.2.2.4 (11 July 2005)
- Add inflatePrime() function for starting inflation at bit boundary
- Avoid some Visual C warnings in deflate.c
- Avoid more silly Visual C warnings in inflate.c and inftrees.c for 64-bit
compile
- Fix some spelling errors in comments [Betts]
- Correct inflateInit2() error return documentation in zlib.h
- Added zran.c example of compressed data random access to examples
directory, shows use of inflatePrime()
- Fix cast for assignments to strm->state in inflate.c and infback.c
- Fix zlibCompileFlags() in zutil.c to use 1L for long shifts [Oberhumer]
- Move declarations of gf2 functions to right place in crc32.c [Oberhumer]
- Add cast in trees.c t avoid a warning [Oberhumer]
- Avoid some warnings in fitblk.c, gun.c, gzjoin.c in examples [Oberhumer]
- Update make_vms.com [Zinser]
- Initialize state->write in inflateReset() since copied in inflate_fast()
- Be more strict on incomplete code sets in inflate_table() and increase
ENOUGH and MAXD -- this repairs a possible security vulnerability for
invalid inflate input. Thanks to Tavis Ormandy and Markus Oberhumer for
discovering the vulnerability and providing test cases.
- Add ia64 support to configure for HP-UX [Smith]
- Add error return to gzread() for format or i/o error [Levin]
- Use malloc.h for OS/2 [Necasek]
Changes in 1.2.2.3 (27 May 2005)
- Replace 1U constants in inflate.c and inftrees.c for 64-bit compile
- Typecast fread() return values in gzio.c [Vollant]
- Remove trailing space in minigzip.c outmode (VC++ can't deal with it)
- Fix crc check bug in gzread() after gzungetc() [Heiner]
- Add the deflateTune() function to adjust internal compression parameters
- Add a fast gzip decompressor, gun.c, to examples (use of inflateBack)
- Remove an incorrect assertion in examples/zpipe.c
- Add C++ wrapper in infback9.h [Donais]
- Fix bug in inflateCopy() when decoding fixed codes
- Note in zlib.h how much deflateSetDictionary() actually uses
- Remove USE_DICT_HEAD in deflate.c (would mess up inflate if used)
- Add _WIN32_WCE to define WIN32 in zconf.in.h [Spencer]
- Don't include stderr.h or errno.h for _WIN32_WCE in zutil.h [Spencer]
- Add gzdirect() function to indicate transparent reads
- Update contrib/minizip [Vollant]
- Fix compilation of deflate.c when both ASMV and FASTEST [Oberhumer]
- Add casts in crc32.c to avoid warnings [Oberhumer]
- Add contrib/masmx64 [Vollant]
- Update contrib/asm586, asm686, masmx86, testzlib, vstudio [Vollant]
Changes in 1.2.2.2 (30 December 2004)
- Replace structure assignments in deflate.c and inflate.c with zmemcpy to
avoid implicit memcpy calls (portability for no-library compilation)
- Increase sprintf() buffer size in gzdopen() to allow for large numbers
- Add INFLATE_STRICT to check distances against zlib header
- Improve WinCE errno handling and comments [Chang]
- Remove comment about no gzip header processing in FAQ
- Add Z_FIXED strategy option to deflateInit2() to force fixed trees
- Add updated make_vms.com [Coghlan], update README
- Create a new "examples" directory, move gzappend.c there, add zpipe.c,
fitblk.c, gzlog.[ch], gzjoin.c, and zlib_how.html.
- Add FAQ entry and comments in deflate.c on uninitialized memory access
- Add Solaris 9 make options in configure [Gilbert]
- Allow strerror() usage in gzio.c for STDC
- Fix DecompressBuf in contrib/delphi/ZLib.pas [ManChesTer]
- Update contrib/masmx86/inffas32.asm and gvmat32.asm [Vollant]
- Use z_off_t for adler32_combine() and crc32_combine() lengths
- Make adler32() much faster for small len
- Use OS_CODE in deflate() default gzip header
Changes in 1.2.2.1 (31 October 2004)
- Allow inflateSetDictionary() call for raw inflate
- Fix inflate header crc check bug for file names and comments
- Add deflateSetHeader() and gz_header structure for custom gzip headers
- Add inflateGetheader() to retrieve gzip headers
- Add crc32_combine() and adler32_combine() functions
- Add alloc_func, free_func, in_func, out_func to Z_PREFIX list
- Use zstreamp consistently in zlib.h (inflate_back functions)
- Remove GUNZIP condition from definition of inflate_mode in inflate.h
and in contrib/inflate86/inffast.S [Truta, Anderson]
- Add support for AMD64 in contrib/inflate86/inffas86.c [Anderson]
- Update projects/README.projects and projects/visualc6 [Truta]
- Update win32/DLL_FAQ.txt [Truta]
- Avoid warning under NO_GZCOMPRESS in gzio.c; fix typo [Truta]
- Deprecate Z_ASCII; use Z_TEXT instead [Truta]
- Use a new algorithm for setting strm->data_type in trees.c [Truta]
- Do not define an exit() prototype in zutil.c unless DEBUG defined
- Remove prototype of exit() from zutil.c, example.c, minigzip.c [Truta]
- Add comment in zlib.h for Z_NO_FLUSH parameter to deflate()
- Fix Darwin build version identification [Peterson]
Changes in 1.2.2 (3 October 2004)
- Update zlib.h comments on gzip in-memory processing
- Set adler to 1 in inflateReset() to support Java test suite [Walles]
- Add contrib/dotzlib [Ravn]
- Update win32/DLL_FAQ.txt [Truta]
- Update contrib/minizip [Vollant]
- Move contrib/visual-basic.txt to old/ [Truta]
- Fix assembler builds in projects/visualc6/ [Truta]
Changes in 1.2.1.2 (9 September 2004)
- Update INDEX file
- Fix trees.c to update strm->data_type (no one ever noticed!)
- Fix bug in error case in inflate.c, infback.c, and infback9.c [Brown]
- Add "volatile" to crc table flag declaration (for DYNAMIC_CRC_TABLE)
- Add limited multitasking protection to DYNAMIC_CRC_TABLE
- Add NO_vsnprintf for VMS in zutil.h [Mozilla]
- Don't declare strerror() under VMS [Mozilla]
- Add comment to DYNAMIC_CRC_TABLE to use get_crc_table() to initialize
- Update contrib/ada [Anisimkov]
- Update contrib/minizip [Vollant]
- Fix configure to not hardcode directories for Darwin [Peterson]
- Fix gzio.c to not return error on empty files [Brown]
- Fix indentation; update version in contrib/delphi/ZLib.pas and
contrib/pascal/zlibpas.pas [Truta]
- Update mkasm.bat in contrib/masmx86 [Truta]
- Update contrib/untgz [Truta]
- Add projects/README.projects [Truta]
- Add project for MS Visual C++ 6.0 in projects/visualc6 [Cadieux, Truta]
- Update win32/DLL_FAQ.txt [Truta]
- Update list of Z_PREFIX symbols in zconf.h [Randers-Pehrson, Truta]
- Remove an unnecessary assignment to curr in inftrees.c [Truta]
- Add OS/2 to exe builds in configure [Poltorak]
- Remove err dummy parameter in zlib.h [Kientzle]
Changes in 1.2.1.1 (9 January 2004)
- Update email address in README
- Several FAQ updates
- Fix a big fat bug in inftrees.c that prevented decoding valid
dynamic blocks with only literals and no distance codes --
Thanks to "Hot Emu" for the bug report and sample file
- Add a note to puff.c on no distance codes case.
Changes in 1.2.1 (17 November 2003)
- Remove a tab in contrib/gzappend/gzappend.c
- Update some interfaces in contrib for new zlib functions
- Update zlib version number in some contrib entries
- Add Windows CE definition for ptrdiff_t in zutil.h [Mai, Truta]
- Support shared libraries on Hurd and KFreeBSD [Brown]
- Fix error in NO_DIVIDE option of adler32.c
Changes in 1.2.0.8 (4 November 2003)
- Update version in contrib/delphi/ZLib.pas and contrib/pascal/zlibpas.pas
- Add experimental NO_DIVIDE #define in adler32.c
- Possibly faster on some processors (let me know if it is)
- Correct Z_BLOCK to not return on first inflate call if no wrap
- Fix strm->data_type on inflate() return to correctly indicate EOB
- Add deflatePrime() function for appending in the middle of a byte
- Add contrib/gzappend for an example of appending to a stream
- Update win32/DLL_FAQ.txt [Truta]
- Delete Turbo C comment in README [Truta]
- Improve some indentation in zconf.h [Truta]
- Fix infinite loop on bad input in configure script [Church]
- Fix gzeof() for concatenated gzip files [Johnson]
- Add example to contrib/visual-basic.txt [Michael B.]
- Add -p to mkdir's in Makefile.in [vda]
- Fix configure to properly detect presence or lack of printf functions
- Add AS400 support [Monnerat]
- Add a little Cygwin support [Wilson]
Changes in 1.2.0.7 (21 September 2003)
- Correct some debug formats in contrib/infback9
- Cast a type in a debug statement in trees.c
- Change search and replace delimiter in configure from % to # [Beebe]
- Update contrib/untgz to 0.2 with various fixes [Truta]
- Add build support for Amiga [Nikl]
- Remove some directories in old that have been updated to 1.2
- Add dylib building for Mac OS X in configure and Makefile.in
- Remove old distribution stuff from Makefile
- Update README to point to DLL_FAQ.txt, and add comment on Mac OS X
- Update links in README
Changes in 1.2.0.6 (13 September 2003)
- Minor FAQ updates
- Update contrib/minizip to 1.00 [Vollant]
- Remove test of gz functions in example.c when GZ_COMPRESS defined [Truta]
- Update POSTINC comment for 68060 [Nikl]
- Add contrib/infback9 with deflate64 decoding (unsupported)
- For MVS define NO_vsnprintf and undefine FAR [van Burik]
- Add pragma for fdopen on MVS [van Burik]
Changes in 1.2.0.5 (8 September 2003)
- Add OF to inflateBackEnd() declaration in zlib.h
- Remember start when using gzdopen in the middle of a file
- Use internal off_t counters in gz* functions to properly handle seeks
- Perform more rigorous check for distance-too-far in inffast.c
- Add Z_BLOCK flush option to return from inflate at block boundary
- Set strm->data_type on return from inflate
- Indicate bits unused, if at block boundary, and if in last block
- Replace size_t with ptrdiff_t in crc32.c, and check for correct size
- Add condition so old NO_DEFLATE define still works for compatibility
- FAQ update regarding the Windows DLL [Truta]
- INDEX update: add qnx entry, remove aix entry [Truta]
- Install zlib.3 into mandir [Wilson]
- Move contrib/zlib_dll_FAQ.txt to win32/DLL_FAQ.txt; update [Truta]
- Adapt the zlib interface to the new DLL convention guidelines [Truta]
- Introduce ZLIB_WINAPI macro to allow the export of functions using
the WINAPI calling convention, for Visual Basic [Vollant, Truta]
- Update msdos and win32 scripts and makefiles [Truta]
- Export symbols by name, not by ordinal, in win32/zlib.def [Truta]
- Add contrib/ada [Anisimkov]
- Move asm files from contrib/vstudio/vc70_32 to contrib/asm386 [Truta]
- Rename contrib/asm386 to contrib/masmx86 [Truta, Vollant]
- Add contrib/masm686 [Truta]
- Fix offsets in contrib/inflate86 and contrib/masmx86/inffas32.asm
[Truta, Vollant]
- Update contrib/delphi; rename to contrib/pascal; add example [Truta]
- Remove contrib/delphi2; add a new contrib/delphi [Truta]
- Avoid inclusion of the nonstandard <memory.h> in contrib/iostream,
and fix some method prototypes [Truta]
- Fix the ZCR_SEED2 constant to avoid warnings in contrib/minizip
[Truta]
- Avoid the use of backslash (\) in contrib/minizip [Vollant]
- Fix file time handling in contrib/untgz; update makefiles [Truta]
- Update contrib/vstudio/vc70_32 to comply with the new DLL guidelines
[Vollant]
- Remove contrib/vstudio/vc15_16 [Vollant]
- Rename contrib/vstudio/vc70_32 to contrib/vstudio/vc7 [Truta]
- Update README.contrib [Truta]
- Invert the assignment order of match_head and s->prev[...] in
INSERT_STRING [Truta]
- Compare TOO_FAR with 32767 instead of 32768, to avoid 16-bit warnings
[Truta]
- Compare function pointers with 0, not with NULL or Z_NULL [Truta]
- Fix prototype of syncsearch in inflate.c [Truta]
- Introduce ASMINF macro to be enabled when using an ASM implementation
of inflate_fast [Truta]
- Change NO_DEFLATE to NO_GZCOMPRESS [Truta]
- Modify test_gzio in example.c to take a single file name as a
parameter [Truta]
- Exit the example.c program if gzopen fails [Truta]
- Add type casts around strlen in example.c [Truta]
- Remove casting to sizeof in minigzip.c; give a proper type
to the variable compared with SUFFIX_LEN [Truta]
- Update definitions of STDC and STDC99 in zconf.h [Truta]
- Synchronize zconf.h with the new Windows DLL interface [Truta]
- Use SYS16BIT instead of __32BIT__ to distinguish between
16- and 32-bit platforms [Truta]
- Use far memory allocators in small 16-bit memory models for
Turbo C [Truta]
- Add info about the use of ASMV, ASMINF and ZLIB_WINAPI in
zlibCompileFlags [Truta]
- Cygwin has vsnprintf [Wilson]
- In Windows16, OS_CODE is 0, as in MSDOS [Truta]
- In Cygwin, OS_CODE is 3 (Unix), not 11 (Windows32) [Wilson]
Changes in 1.2.0.4 (10 August 2003)
- Minor FAQ updates
- Be more strict when checking inflateInit2's windowBits parameter
- Change NO_GUNZIP compile option to NO_GZIP to cover deflate as well
- Add gzip wrapper option to deflateInit2 using windowBits
- Add updated QNX rule in configure and qnx directory [Bonnefoy]
- Make inflate distance-too-far checks more rigorous
- Clean up FAR usage in inflate
- Add casting to sizeof() in gzio.c and minigzip.c
Changes in 1.2.0.3 (19 July 2003)
- Fix silly error in gzungetc() implementation [Vollant]
- Update contrib/minizip and contrib/vstudio [Vollant]
- Fix printf format in example.c
- Correct cdecl support in zconf.in.h [Anisimkov]
- Minor FAQ updates
Changes in 1.2.0.2 (13 July 2003)
- Add ZLIB_VERNUM in zlib.h for numerical preprocessor comparisons
- Attempt to avoid warnings in crc32.c for pointer-int conversion
- Add AIX to configure, remove aix directory [Bakker]
- Add some casts to minigzip.c
- Improve checking after insecure sprintf() or vsprintf() calls
- Remove #elif's from crc32.c
- Change leave label to inf_leave in inflate.c and infback.c to avoid
library conflicts
- Remove inflate gzip decoding by default--only enable gzip decoding by
special request for stricter backward compatibility
- Add zlibCompileFlags() function to return compilation information
- More typecasting in deflate.c to avoid warnings
- Remove leading underscore from _Capital #defines [Truta]
- Fix configure to link shared library when testing
- Add some Windows CE target adjustments [Mai]
- Remove #define ZLIB_DLL in zconf.h [Vollant]
- Add zlib.3 [Rodgers]
- Update RFC URL in deflate.c and algorithm.txt [Mai]
- Add zlib_dll_FAQ.txt to contrib [Truta]
- Add UL to some constants [Truta]
- Update minizip and vstudio [Vollant]
- Remove vestigial NEED_DUMMY_RETURN from zconf.in.h
- Expand use of NO_DUMMY_DECL to avoid all dummy structures
- Added iostream3 to contrib [Schwardt]
- Replace rewind() with fseek() for WinCE [Truta]
- Improve setting of zlib format compression level flags
- Report 0 for huffman and rle strategies and for level == 0 or 1
- Report 2 only for level == 6
- Only deal with 64K limit when necessary at compile time [Truta]
- Allow TOO_FAR check to be turned off at compile time [Truta]
- Add gzclearerr() function [Souza]
- Add gzungetc() function
Changes in 1.2.0.1 (17 March 2003)
- Add Z_RLE strategy for run-length encoding [Truta]
- When Z_RLE requested, restrict matches to distance one
- Update zlib.h, minigzip.c, gzopen(), gzdopen() for Z_RLE
- Correct FASTEST compilation to allow level == 0
- Clean up what gets compiled for FASTEST
- Incorporate changes to zconf.in.h [Vollant]
- Refine detection of Turbo C need for dummy returns
- Refine ZLIB_DLL compilation
- Include additional header file on VMS for off_t typedef
- Try to use _vsnprintf where it supplants vsprintf [Vollant]
- Add some casts in inffast.c
- Enchance comments in zlib.h on what happens if gzprintf() tries to
write more than 4095 bytes before compression
- Remove unused state from inflateBackEnd()
- Remove exit(0) from minigzip.c, example.c
- Get rid of all those darn tabs
- Add "check" target to Makefile.in that does the same thing as "test"
- Add "mostlyclean" and "maintainer-clean" targets to Makefile.in
- Update contrib/inflate86 [Anderson]
- Update contrib/testzlib, contrib/vstudio, contrib/minizip [Vollant]
- Add msdos and win32 directories with makefiles [Truta]
- More additions and improvements to the FAQ
Changes in 1.2.0 (9 March 2003)
- New and improved inflate code
- About 20% faster
- Does not allocate 32K window unless and until needed
- Automatically detects and decompresses gzip streams
- Raw inflate no longer needs an extra dummy byte at end
- Added inflateBack functions using a callback interface--even faster
than inflate, useful for file utilities (gzip, zip)
- Added inflateCopy() function to record state for random access on
externally generated deflate streams (e.g. in gzip files)
- More readable code (I hope)
- New and improved crc32()
- About 50% faster, thanks to suggestions from Rodney Brown
- Add deflateBound() and compressBound() functions
- Fix memory leak in deflateInit2()
- Permit setting dictionary for raw deflate (for parallel deflate)
- Fix const declaration for gzwrite()
- Check for some malloc() failures in gzio.c
- Fix bug in gzopen() on single-byte file 0x1f
- Fix bug in gzread() on concatenated file with 0x1f at end of buffer
and next buffer doesn't start with 0x8b
- Fix uncompress() to return Z_DATA_ERROR on truncated input
- Free memory at end of example.c
- Remove MAX #define in trees.c (conflicted with some libraries)
- Fix static const's in deflate.c, gzio.c, and zutil.[ch]
- Declare malloc() and free() in gzio.c if STDC not defined
- Use malloc() instead of calloc() in zutil.c if int big enough
- Define STDC for AIX
- Add aix/ with approach for compiling shared library on AIX
- Add HP-UX support for shared libraries in configure
- Add OpenUNIX support for shared libraries in configure
- Use $cc instead of gcc to build shared library
- Make prefix directory if needed when installing
- Correct Macintosh avoidance of typedef Byte in zconf.h
- Correct Turbo C memory allocation when under Linux
- Use libz.a instead of -lz in Makefile (assure use of compiled library)
- Update configure to check for snprintf or vsnprintf functions and their
return value, warn during make if using an insecure function
- Fix configure problem with compile-time knowledge of HAVE_UNISTD_H that
is lost when library is used--resolution is to build new zconf.h
- Documentation improvements (in zlib.h):
- Document raw deflate and inflate
- Update RFCs URL
- Point out that zlib and gzip formats are different
- Note that Z_BUF_ERROR is not fatal
- Document string limit for gzprintf() and possible buffer overflow
- Note requirement on avail_out when flushing
- Note permitted values of flush parameter of inflate()
- Add some FAQs (and even answers) to the FAQ
- Add contrib/inflate86/ for x86 faster inflate
- Add contrib/blast/ for PKWare Data Compression Library decompression
- Add contrib/puff/ simple inflate for deflate format description
svn path=/trunk/; revision=25342
2007-01-07 15:56:49 +00:00
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extern voidp malloc OF((uInt size));
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2002-03-17 21:05:05 +00:00
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extern voidp calloc OF((uInt items, uInt size));
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extern void free OF((voidpf ptr));
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#endif
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2010-07-03 22:34:05 +00:00
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voidpf ZLIB_INTERNAL zcalloc (opaque, items, size)
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2002-03-17 21:05:05 +00:00
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voidpf opaque;
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unsigned items;
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unsigned size;
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{
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if (opaque) items += size - size; /* make compiler happy */
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update from zlib 1.1.4 to 1.2.3
ChangeLog file for zlib
Changes in 1.2.3 (18 July 2005)
- Apply security vulnerability fixes to contrib/infback9 as well
- Clean up some text files (carriage returns, trailing space)
- Update testzlib, vstudio, masmx64, and masmx86 in contrib [Vollant]
Changes in 1.2.2.4 (11 July 2005)
- Add inflatePrime() function for starting inflation at bit boundary
- Avoid some Visual C warnings in deflate.c
- Avoid more silly Visual C warnings in inflate.c and inftrees.c for 64-bit
compile
- Fix some spelling errors in comments [Betts]
- Correct inflateInit2() error return documentation in zlib.h
- Added zran.c example of compressed data random access to examples
directory, shows use of inflatePrime()
- Fix cast for assignments to strm->state in inflate.c and infback.c
- Fix zlibCompileFlags() in zutil.c to use 1L for long shifts [Oberhumer]
- Move declarations of gf2 functions to right place in crc32.c [Oberhumer]
- Add cast in trees.c t avoid a warning [Oberhumer]
- Avoid some warnings in fitblk.c, gun.c, gzjoin.c in examples [Oberhumer]
- Update make_vms.com [Zinser]
- Initialize state->write in inflateReset() since copied in inflate_fast()
- Be more strict on incomplete code sets in inflate_table() and increase
ENOUGH and MAXD -- this repairs a possible security vulnerability for
invalid inflate input. Thanks to Tavis Ormandy and Markus Oberhumer for
discovering the vulnerability and providing test cases.
- Add ia64 support to configure for HP-UX [Smith]
- Add error return to gzread() for format or i/o error [Levin]
- Use malloc.h for OS/2 [Necasek]
Changes in 1.2.2.3 (27 May 2005)
- Replace 1U constants in inflate.c and inftrees.c for 64-bit compile
- Typecast fread() return values in gzio.c [Vollant]
- Remove trailing space in minigzip.c outmode (VC++ can't deal with it)
- Fix crc check bug in gzread() after gzungetc() [Heiner]
- Add the deflateTune() function to adjust internal compression parameters
- Add a fast gzip decompressor, gun.c, to examples (use of inflateBack)
- Remove an incorrect assertion in examples/zpipe.c
- Add C++ wrapper in infback9.h [Donais]
- Fix bug in inflateCopy() when decoding fixed codes
- Note in zlib.h how much deflateSetDictionary() actually uses
- Remove USE_DICT_HEAD in deflate.c (would mess up inflate if used)
- Add _WIN32_WCE to define WIN32 in zconf.in.h [Spencer]
- Don't include stderr.h or errno.h for _WIN32_WCE in zutil.h [Spencer]
- Add gzdirect() function to indicate transparent reads
- Update contrib/minizip [Vollant]
- Fix compilation of deflate.c when both ASMV and FASTEST [Oberhumer]
- Add casts in crc32.c to avoid warnings [Oberhumer]
- Add contrib/masmx64 [Vollant]
- Update contrib/asm586, asm686, masmx86, testzlib, vstudio [Vollant]
Changes in 1.2.2.2 (30 December 2004)
- Replace structure assignments in deflate.c and inflate.c with zmemcpy to
avoid implicit memcpy calls (portability for no-library compilation)
- Increase sprintf() buffer size in gzdopen() to allow for large numbers
- Add INFLATE_STRICT to check distances against zlib header
- Improve WinCE errno handling and comments [Chang]
- Remove comment about no gzip header processing in FAQ
- Add Z_FIXED strategy option to deflateInit2() to force fixed trees
- Add updated make_vms.com [Coghlan], update README
- Create a new "examples" directory, move gzappend.c there, add zpipe.c,
fitblk.c, gzlog.[ch], gzjoin.c, and zlib_how.html.
- Add FAQ entry and comments in deflate.c on uninitialized memory access
- Add Solaris 9 make options in configure [Gilbert]
- Allow strerror() usage in gzio.c for STDC
- Fix DecompressBuf in contrib/delphi/ZLib.pas [ManChesTer]
- Update contrib/masmx86/inffas32.asm and gvmat32.asm [Vollant]
- Use z_off_t for adler32_combine() and crc32_combine() lengths
- Make adler32() much faster for small len
- Use OS_CODE in deflate() default gzip header
Changes in 1.2.2.1 (31 October 2004)
- Allow inflateSetDictionary() call for raw inflate
- Fix inflate header crc check bug for file names and comments
- Add deflateSetHeader() and gz_header structure for custom gzip headers
- Add inflateGetheader() to retrieve gzip headers
- Add crc32_combine() and adler32_combine() functions
- Add alloc_func, free_func, in_func, out_func to Z_PREFIX list
- Use zstreamp consistently in zlib.h (inflate_back functions)
- Remove GUNZIP condition from definition of inflate_mode in inflate.h
and in contrib/inflate86/inffast.S [Truta, Anderson]
- Add support for AMD64 in contrib/inflate86/inffas86.c [Anderson]
- Update projects/README.projects and projects/visualc6 [Truta]
- Update win32/DLL_FAQ.txt [Truta]
- Avoid warning under NO_GZCOMPRESS in gzio.c; fix typo [Truta]
- Deprecate Z_ASCII; use Z_TEXT instead [Truta]
- Use a new algorithm for setting strm->data_type in trees.c [Truta]
- Do not define an exit() prototype in zutil.c unless DEBUG defined
- Remove prototype of exit() from zutil.c, example.c, minigzip.c [Truta]
- Add comment in zlib.h for Z_NO_FLUSH parameter to deflate()
- Fix Darwin build version identification [Peterson]
Changes in 1.2.2 (3 October 2004)
- Update zlib.h comments on gzip in-memory processing
- Set adler to 1 in inflateReset() to support Java test suite [Walles]
- Add contrib/dotzlib [Ravn]
- Update win32/DLL_FAQ.txt [Truta]
- Update contrib/minizip [Vollant]
- Move contrib/visual-basic.txt to old/ [Truta]
- Fix assembler builds in projects/visualc6/ [Truta]
Changes in 1.2.1.2 (9 September 2004)
- Update INDEX file
- Fix trees.c to update strm->data_type (no one ever noticed!)
- Fix bug in error case in inflate.c, infback.c, and infback9.c [Brown]
- Add "volatile" to crc table flag declaration (for DYNAMIC_CRC_TABLE)
- Add limited multitasking protection to DYNAMIC_CRC_TABLE
- Add NO_vsnprintf for VMS in zutil.h [Mozilla]
- Don't declare strerror() under VMS [Mozilla]
- Add comment to DYNAMIC_CRC_TABLE to use get_crc_table() to initialize
- Update contrib/ada [Anisimkov]
- Update contrib/minizip [Vollant]
- Fix configure to not hardcode directories for Darwin [Peterson]
- Fix gzio.c to not return error on empty files [Brown]
- Fix indentation; update version in contrib/delphi/ZLib.pas and
contrib/pascal/zlibpas.pas [Truta]
- Update mkasm.bat in contrib/masmx86 [Truta]
- Update contrib/untgz [Truta]
- Add projects/README.projects [Truta]
- Add project for MS Visual C++ 6.0 in projects/visualc6 [Cadieux, Truta]
- Update win32/DLL_FAQ.txt [Truta]
- Update list of Z_PREFIX symbols in zconf.h [Randers-Pehrson, Truta]
- Remove an unnecessary assignment to curr in inftrees.c [Truta]
- Add OS/2 to exe builds in configure [Poltorak]
- Remove err dummy parameter in zlib.h [Kientzle]
Changes in 1.2.1.1 (9 January 2004)
- Update email address in README
- Several FAQ updates
- Fix a big fat bug in inftrees.c that prevented decoding valid
dynamic blocks with only literals and no distance codes --
Thanks to "Hot Emu" for the bug report and sample file
- Add a note to puff.c on no distance codes case.
Changes in 1.2.1 (17 November 2003)
- Remove a tab in contrib/gzappend/gzappend.c
- Update some interfaces in contrib for new zlib functions
- Update zlib version number in some contrib entries
- Add Windows CE definition for ptrdiff_t in zutil.h [Mai, Truta]
- Support shared libraries on Hurd and KFreeBSD [Brown]
- Fix error in NO_DIVIDE option of adler32.c
Changes in 1.2.0.8 (4 November 2003)
- Update version in contrib/delphi/ZLib.pas and contrib/pascal/zlibpas.pas
- Add experimental NO_DIVIDE #define in adler32.c
- Possibly faster on some processors (let me know if it is)
- Correct Z_BLOCK to not return on first inflate call if no wrap
- Fix strm->data_type on inflate() return to correctly indicate EOB
- Add deflatePrime() function for appending in the middle of a byte
- Add contrib/gzappend for an example of appending to a stream
- Update win32/DLL_FAQ.txt [Truta]
- Delete Turbo C comment in README [Truta]
- Improve some indentation in zconf.h [Truta]
- Fix infinite loop on bad input in configure script [Church]
- Fix gzeof() for concatenated gzip files [Johnson]
- Add example to contrib/visual-basic.txt [Michael B.]
- Add -p to mkdir's in Makefile.in [vda]
- Fix configure to properly detect presence or lack of printf functions
- Add AS400 support [Monnerat]
- Add a little Cygwin support [Wilson]
Changes in 1.2.0.7 (21 September 2003)
- Correct some debug formats in contrib/infback9
- Cast a type in a debug statement in trees.c
- Change search and replace delimiter in configure from % to # [Beebe]
- Update contrib/untgz to 0.2 with various fixes [Truta]
- Add build support for Amiga [Nikl]
- Remove some directories in old that have been updated to 1.2
- Add dylib building for Mac OS X in configure and Makefile.in
- Remove old distribution stuff from Makefile
- Update README to point to DLL_FAQ.txt, and add comment on Mac OS X
- Update links in README
Changes in 1.2.0.6 (13 September 2003)
- Minor FAQ updates
- Update contrib/minizip to 1.00 [Vollant]
- Remove test of gz functions in example.c when GZ_COMPRESS defined [Truta]
- Update POSTINC comment for 68060 [Nikl]
- Add contrib/infback9 with deflate64 decoding (unsupported)
- For MVS define NO_vsnprintf and undefine FAR [van Burik]
- Add pragma for fdopen on MVS [van Burik]
Changes in 1.2.0.5 (8 September 2003)
- Add OF to inflateBackEnd() declaration in zlib.h
- Remember start when using gzdopen in the middle of a file
- Use internal off_t counters in gz* functions to properly handle seeks
- Perform more rigorous check for distance-too-far in inffast.c
- Add Z_BLOCK flush option to return from inflate at block boundary
- Set strm->data_type on return from inflate
- Indicate bits unused, if at block boundary, and if in last block
- Replace size_t with ptrdiff_t in crc32.c, and check for correct size
- Add condition so old NO_DEFLATE define still works for compatibility
- FAQ update regarding the Windows DLL [Truta]
- INDEX update: add qnx entry, remove aix entry [Truta]
- Install zlib.3 into mandir [Wilson]
- Move contrib/zlib_dll_FAQ.txt to win32/DLL_FAQ.txt; update [Truta]
- Adapt the zlib interface to the new DLL convention guidelines [Truta]
- Introduce ZLIB_WINAPI macro to allow the export of functions using
the WINAPI calling convention, for Visual Basic [Vollant, Truta]
- Update msdos and win32 scripts and makefiles [Truta]
- Export symbols by name, not by ordinal, in win32/zlib.def [Truta]
- Add contrib/ada [Anisimkov]
- Move asm files from contrib/vstudio/vc70_32 to contrib/asm386 [Truta]
- Rename contrib/asm386 to contrib/masmx86 [Truta, Vollant]
- Add contrib/masm686 [Truta]
- Fix offsets in contrib/inflate86 and contrib/masmx86/inffas32.asm
[Truta, Vollant]
- Update contrib/delphi; rename to contrib/pascal; add example [Truta]
- Remove contrib/delphi2; add a new contrib/delphi [Truta]
- Avoid inclusion of the nonstandard <memory.h> in contrib/iostream,
and fix some method prototypes [Truta]
- Fix the ZCR_SEED2 constant to avoid warnings in contrib/minizip
[Truta]
- Avoid the use of backslash (\) in contrib/minizip [Vollant]
- Fix file time handling in contrib/untgz; update makefiles [Truta]
- Update contrib/vstudio/vc70_32 to comply with the new DLL guidelines
[Vollant]
- Remove contrib/vstudio/vc15_16 [Vollant]
- Rename contrib/vstudio/vc70_32 to contrib/vstudio/vc7 [Truta]
- Update README.contrib [Truta]
- Invert the assignment order of match_head and s->prev[...] in
INSERT_STRING [Truta]
- Compare TOO_FAR with 32767 instead of 32768, to avoid 16-bit warnings
[Truta]
- Compare function pointers with 0, not with NULL or Z_NULL [Truta]
- Fix prototype of syncsearch in inflate.c [Truta]
- Introduce ASMINF macro to be enabled when using an ASM implementation
of inflate_fast [Truta]
- Change NO_DEFLATE to NO_GZCOMPRESS [Truta]
- Modify test_gzio in example.c to take a single file name as a
parameter [Truta]
- Exit the example.c program if gzopen fails [Truta]
- Add type casts around strlen in example.c [Truta]
- Remove casting to sizeof in minigzip.c; give a proper type
to the variable compared with SUFFIX_LEN [Truta]
- Update definitions of STDC and STDC99 in zconf.h [Truta]
- Synchronize zconf.h with the new Windows DLL interface [Truta]
- Use SYS16BIT instead of __32BIT__ to distinguish between
16- and 32-bit platforms [Truta]
- Use far memory allocators in small 16-bit memory models for
Turbo C [Truta]
- Add info about the use of ASMV, ASMINF and ZLIB_WINAPI in
zlibCompileFlags [Truta]
- Cygwin has vsnprintf [Wilson]
- In Windows16, OS_CODE is 0, as in MSDOS [Truta]
- In Cygwin, OS_CODE is 3 (Unix), not 11 (Windows32) [Wilson]
Changes in 1.2.0.4 (10 August 2003)
- Minor FAQ updates
- Be more strict when checking inflateInit2's windowBits parameter
- Change NO_GUNZIP compile option to NO_GZIP to cover deflate as well
- Add gzip wrapper option to deflateInit2 using windowBits
- Add updated QNX rule in configure and qnx directory [Bonnefoy]
- Make inflate distance-too-far checks more rigorous
- Clean up FAR usage in inflate
- Add casting to sizeof() in gzio.c and minigzip.c
Changes in 1.2.0.3 (19 July 2003)
- Fix silly error in gzungetc() implementation [Vollant]
- Update contrib/minizip and contrib/vstudio [Vollant]
- Fix printf format in example.c
- Correct cdecl support in zconf.in.h [Anisimkov]
- Minor FAQ updates
Changes in 1.2.0.2 (13 July 2003)
- Add ZLIB_VERNUM in zlib.h for numerical preprocessor comparisons
- Attempt to avoid warnings in crc32.c for pointer-int conversion
- Add AIX to configure, remove aix directory [Bakker]
- Add some casts to minigzip.c
- Improve checking after insecure sprintf() or vsprintf() calls
- Remove #elif's from crc32.c
- Change leave label to inf_leave in inflate.c and infback.c to avoid
library conflicts
- Remove inflate gzip decoding by default--only enable gzip decoding by
special request for stricter backward compatibility
- Add zlibCompileFlags() function to return compilation information
- More typecasting in deflate.c to avoid warnings
- Remove leading underscore from _Capital #defines [Truta]
- Fix configure to link shared library when testing
- Add some Windows CE target adjustments [Mai]
- Remove #define ZLIB_DLL in zconf.h [Vollant]
- Add zlib.3 [Rodgers]
- Update RFC URL in deflate.c and algorithm.txt [Mai]
- Add zlib_dll_FAQ.txt to contrib [Truta]
- Add UL to some constants [Truta]
- Update minizip and vstudio [Vollant]
- Remove vestigial NEED_DUMMY_RETURN from zconf.in.h
- Expand use of NO_DUMMY_DECL to avoid all dummy structures
- Added iostream3 to contrib [Schwardt]
- Replace rewind() with fseek() for WinCE [Truta]
- Improve setting of zlib format compression level flags
- Report 0 for huffman and rle strategies and for level == 0 or 1
- Report 2 only for level == 6
- Only deal with 64K limit when necessary at compile time [Truta]
- Allow TOO_FAR check to be turned off at compile time [Truta]
- Add gzclearerr() function [Souza]
- Add gzungetc() function
Changes in 1.2.0.1 (17 March 2003)
- Add Z_RLE strategy for run-length encoding [Truta]
- When Z_RLE requested, restrict matches to distance one
- Update zlib.h, minigzip.c, gzopen(), gzdopen() for Z_RLE
- Correct FASTEST compilation to allow level == 0
- Clean up what gets compiled for FASTEST
- Incorporate changes to zconf.in.h [Vollant]
- Refine detection of Turbo C need for dummy returns
- Refine ZLIB_DLL compilation
- Include additional header file on VMS for off_t typedef
- Try to use _vsnprintf where it supplants vsprintf [Vollant]
- Add some casts in inffast.c
- Enchance comments in zlib.h on what happens if gzprintf() tries to
write more than 4095 bytes before compression
- Remove unused state from inflateBackEnd()
- Remove exit(0) from minigzip.c, example.c
- Get rid of all those darn tabs
- Add "check" target to Makefile.in that does the same thing as "test"
- Add "mostlyclean" and "maintainer-clean" targets to Makefile.in
- Update contrib/inflate86 [Anderson]
- Update contrib/testzlib, contrib/vstudio, contrib/minizip [Vollant]
- Add msdos and win32 directories with makefiles [Truta]
- More additions and improvements to the FAQ
Changes in 1.2.0 (9 March 2003)
- New and improved inflate code
- About 20% faster
- Does not allocate 32K window unless and until needed
- Automatically detects and decompresses gzip streams
- Raw inflate no longer needs an extra dummy byte at end
- Added inflateBack functions using a callback interface--even faster
than inflate, useful for file utilities (gzip, zip)
- Added inflateCopy() function to record state for random access on
externally generated deflate streams (e.g. in gzip files)
- More readable code (I hope)
- New and improved crc32()
- About 50% faster, thanks to suggestions from Rodney Brown
- Add deflateBound() and compressBound() functions
- Fix memory leak in deflateInit2()
- Permit setting dictionary for raw deflate (for parallel deflate)
- Fix const declaration for gzwrite()
- Check for some malloc() failures in gzio.c
- Fix bug in gzopen() on single-byte file 0x1f
- Fix bug in gzread() on concatenated file with 0x1f at end of buffer
and next buffer doesn't start with 0x8b
- Fix uncompress() to return Z_DATA_ERROR on truncated input
- Free memory at end of example.c
- Remove MAX #define in trees.c (conflicted with some libraries)
- Fix static const's in deflate.c, gzio.c, and zutil.[ch]
- Declare malloc() and free() in gzio.c if STDC not defined
- Use malloc() instead of calloc() in zutil.c if int big enough
- Define STDC for AIX
- Add aix/ with approach for compiling shared library on AIX
- Add HP-UX support for shared libraries in configure
- Add OpenUNIX support for shared libraries in configure
- Use $cc instead of gcc to build shared library
- Make prefix directory if needed when installing
- Correct Macintosh avoidance of typedef Byte in zconf.h
- Correct Turbo C memory allocation when under Linux
- Use libz.a instead of -lz in Makefile (assure use of compiled library)
- Update configure to check for snprintf or vsnprintf functions and their
return value, warn during make if using an insecure function
- Fix configure problem with compile-time knowledge of HAVE_UNISTD_H that
is lost when library is used--resolution is to build new zconf.h
- Documentation improvements (in zlib.h):
- Document raw deflate and inflate
- Update RFCs URL
- Point out that zlib and gzip formats are different
- Note that Z_BUF_ERROR is not fatal
- Document string limit for gzprintf() and possible buffer overflow
- Note requirement on avail_out when flushing
- Note permitted values of flush parameter of inflate()
- Add some FAQs (and even answers) to the FAQ
- Add contrib/inflate86/ for x86 faster inflate
- Add contrib/blast/ for PKWare Data Compression Library decompression
- Add contrib/puff/ simple inflate for deflate format description
svn path=/trunk/; revision=25342
2007-01-07 15:56:49 +00:00
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return sizeof(uInt) > 2 ? (voidpf)malloc(items * size) :
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(voidpf)calloc(items, size);
|
2002-03-17 21:05:05 +00:00
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}
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2010-07-03 22:34:05 +00:00
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void ZLIB_INTERNAL zcfree (opaque, ptr)
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2002-03-17 21:05:05 +00:00
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voidpf opaque;
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voidpf ptr;
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{
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free(ptr);
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if (opaque) return; /* make compiler happy */
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}
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#endif /* MY_ZCALLOC */
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