2
ChangeLog file for zlib
2
ChangeLog file for zlib
4
Changes in 1.2.3 (18 July 2005)
5
- Apply security vulnerability fixes to contrib/infback9 as well
6
- Clean up some text files (carriage returns, trailing space)
7
- Update testzlib, vstudio, masmx64, and masmx86 in contrib [Vollant]
9
Changes in 1.2.2.4 (11 July 2005)
10
- Add inflatePrime() function for starting inflation at bit boundary
11
- Avoid some Visual C warnings in deflate.c
12
- Avoid more silly Visual C warnings in inflate.c and inftrees.c for 64-bit
14
- Fix some spelling errors in comments [Betts]
15
- Correct inflateInit2() error return documentation in zlib.h
16
- Added zran.c example of compressed data random access to examples
17
directory, shows use of inflatePrime()
18
- Fix cast for assignments to strm->state in inflate.c and infback.c
19
- Fix zlibCompileFlags() in zutil.c to use 1L for long shifts [Oberhumer]
20
- Move declarations of gf2 functions to right place in crc32.c [Oberhumer]
21
- Add cast in trees.c t avoid a warning [Oberhumer]
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- Avoid some warnings in fitblk.c, gun.c, gzjoin.c in examples [Oberhumer]
23
- Update make_vms.com [Zinser]
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- Initialize state->write in inflateReset() since copied in inflate_fast()
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- Be more strict on incomplete code sets in inflate_table() and increase
26
ENOUGH and MAXD -- this repairs a possible security vulnerability for
27
invalid inflate input. Thanks to Tavis Ormandy and Markus Oberhumer for
28
discovering the vulnerability and providing test cases.
29
- Add ia64 support to configure for HP-UX [Smith]
30
- Add error return to gzread() for format or i/o error [Levin]
31
- Use malloc.h for OS/2 [Necasek]
33
Changes in 1.2.2.3 (27 May 2005)
34
- Replace 1U constants in inflate.c and inftrees.c for 64-bit compile
35
- Typecast fread() return values in gzio.c [Vollant]
36
- Remove trailing space in minigzip.c outmode (VC++ can't deal with it)
37
- Fix crc check bug in gzread() after gzungetc() [Heiner]
38
- Add the deflateTune() function to adjust internal compression parameters
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- Add a fast gzip decompressor, gun.c, to examples (use of inflateBack)
40
- Remove an incorrect assertion in examples/zpipe.c
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- Add C++ wrapper in infback9.h [Donais]
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- Fix bug in inflateCopy() when decoding fixed codes
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- Note in zlib.h how much deflateSetDictionary() actually uses
44
- Remove USE_DICT_HEAD in deflate.c (would mess up inflate if used)
45
- Add _WIN32_WCE to define WIN32 in zconf.in.h [Spencer]
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- Don't include stderr.h or errno.h for _WIN32_WCE in zutil.h [Spencer]
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- Add gzdirect() function to indicate transparent reads
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- Update contrib/minizip [Vollant]
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- Fix compilation of deflate.c when both ASMV and FASTEST [Oberhumer]
50
- Add casts in crc32.c to avoid warnings [Oberhumer]
51
- Add contrib/masmx64 [Vollant]
52
- Update contrib/asm586, asm686, masmx86, testzlib, vstudio [Vollant]
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Changes in 1.2.2.2 (30 December 2004)
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- Replace structure assignments in deflate.c and inflate.c with zmemcpy to
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avoid implicit memcpy calls (portability for no-library compilation)
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- Increase sprintf() buffer size in gzdopen() to allow for large numbers
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- Add INFLATE_STRICT to check distances against zlib header
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- Improve WinCE errno handling and comments [Chang]
60
- Remove comment about no gzip header processing in FAQ
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- Add Z_FIXED strategy option to deflateInit2() to force fixed trees
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- Add updated make_vms.com [Coghlan], update README
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- Create a new "examples" directory, move gzappend.c there, add zpipe.c,
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fitblk.c, gzlog.[ch], gzjoin.c, and zlib_how.html.
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- Add FAQ entry and comments in deflate.c on uninitialized memory access
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- Add Solaris 9 make options in configure [Gilbert]
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- Allow strerror() usage in gzio.c for STDC
68
- Fix DecompressBuf in contrib/delphi/ZLib.pas [ManChesTer]
69
- Update contrib/masmx86/inffas32.asm and gvmat32.asm [Vollant]
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- Use z_off_t for adler32_combine() and crc32_combine() lengths
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- Make adler32() much faster for small len
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- Use OS_CODE in deflate() default gzip header
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Changes in 1.2.2.1 (31 October 2004)
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- Allow inflateSetDictionary() call for raw inflate
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- Fix inflate header crc check bug for file names and comments
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- Add deflateSetHeader() and gz_header structure for custom gzip headers
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- Add inflateGetheader() to retrieve gzip headers
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- Add crc32_combine() and adler32_combine() functions
80
- Add alloc_func, free_func, in_func, out_func to Z_PREFIX list
81
- Use zstreamp consistently in zlib.h (inflate_back functions)
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- Remove GUNZIP condition from definition of inflate_mode in inflate.h
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and in contrib/inflate86/inffast.S [Truta, Anderson]
84
- Add support for AMD64 in contrib/inflate86/inffas86.c [Anderson]
85
- Update projects/README.projects and projects/visualc6 [Truta]
86
- Update win32/DLL_FAQ.txt [Truta]
87
- Avoid warning under NO_GZCOMPRESS in gzio.c; fix typo [Truta]
88
- Deprecate Z_ASCII; use Z_TEXT instead [Truta]
89
- Use a new algorithm for setting strm->data_type in trees.c [Truta]
90
- Do not define an exit() prototype in zutil.c unless DEBUG defined
91
- Remove prototype of exit() from zutil.c, example.c, minigzip.c [Truta]
92
- Add comment in zlib.h for Z_NO_FLUSH parameter to deflate()
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- Fix Darwin build version identification [Peterson]
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Changes in 1.2.2 (3 October 2004)
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- Update zlib.h comments on gzip in-memory processing
97
- Set adler to 1 in inflateReset() to support Java test suite [Walles]
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- Add contrib/dotzlib [Ravn]
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- Update win32/DLL_FAQ.txt [Truta]
100
- Update contrib/minizip [Vollant]
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- Move contrib/visual-basic.txt to old/ [Truta]
102
- Fix assembler builds in projects/visualc6/ [Truta]
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Changes in 1.2.1.2 (9 September 2004)
106
- Fix trees.c to update strm->data_type (no one ever noticed!)
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- Fix bug in error case in inflate.c, infback.c, and infback9.c [Brown]
108
- Add "volatile" to crc table flag declaration (for DYNAMIC_CRC_TABLE)
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- Add limited multitasking protection to DYNAMIC_CRC_TABLE
110
- Add NO_vsnprintf for VMS in zutil.h [Mozilla]
111
- Don't declare strerror() under VMS [Mozilla]
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- Add comment to DYNAMIC_CRC_TABLE to use get_crc_table() to initialize
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- Update contrib/ada [Anisimkov]
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- Update contrib/minizip [Vollant]
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- Fix configure to not hardcode directories for Darwin [Peterson]
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- Fix gzio.c to not return error on empty files [Brown]
117
- Fix indentation; update version in contrib/delphi/ZLib.pas and
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contrib/pascal/zlibpas.pas [Truta]
119
- Update mkasm.bat in contrib/masmx86 [Truta]
120
- Update contrib/untgz [Truta]
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- Add projects/README.projects [Truta]
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- Add project for MS Visual C++ 6.0 in projects/visualc6 [Cadieux, Truta]
123
- Update win32/DLL_FAQ.txt [Truta]
124
- Update list of Z_PREFIX symbols in zconf.h [Randers-Pehrson, Truta]
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- Remove an unnecessary assignment to curr in inftrees.c [Truta]
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- Add OS/2 to exe builds in configure [Poltorak]
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- Remove err dummy parameter in zlib.h [Kientzle]
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Changes in 1.2.1.1 (9 January 2004)
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- Update email address in README
131
- Several FAQ updates
132
- Fix a big fat bug in inftrees.c that prevented decoding valid
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dynamic blocks with only literals and no distance codes --
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Thanks to "Hot Emu" for the bug report and sample file
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- Add a note to puff.c on no distance codes case.
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Changes in 1.2.1 (17 November 2003)
138
- Remove a tab in contrib/gzappend/gzappend.c
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- Update some interfaces in contrib for new zlib functions
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- Update zlib version number in some contrib entries
141
- Add Windows CE definition for ptrdiff_t in zutil.h [Mai, Truta]
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- Support shared libraries on Hurd and KFreeBSD [Brown]
143
- Fix error in NO_DIVIDE option of adler32.c
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Changes in 1.2.0.8 (4 November 2003)
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- Update version in contrib/delphi/ZLib.pas and contrib/pascal/zlibpas.pas
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- Add experimental NO_DIVIDE #define in adler32.c
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- Possibly faster on some processors (let me know if it is)
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- Correct Z_BLOCK to not return on first inflate call if no wrap
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- Fix strm->data_type on inflate() return to correctly indicate EOB
151
- Add deflatePrime() function for appending in the middle of a byte
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- Add contrib/gzappend for an example of appending to a stream
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- Update win32/DLL_FAQ.txt [Truta]
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- Delete Turbo C comment in README [Truta]
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- Improve some indentation in zconf.h [Truta]
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- Fix infinite loop on bad input in configure script [Church]
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- Fix gzeof() for concatenated gzip files [Johnson]
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- Add example to contrib/visual-basic.txt [Michael B.]
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- Add -p to mkdir's in Makefile.in [vda]
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- Fix configure to properly detect presence or lack of printf functions
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- Add AS400 support [Monnerat]
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- Add a little Cygwin support [Wilson]
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Changes in 1.2.0.7 (21 September 2003)
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- Correct some debug formats in contrib/infback9
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- Cast a type in a debug statement in trees.c
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- Change search and replace delimiter in configure from % to # [Beebe]
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- Update contrib/untgz to 0.2 with various fixes [Truta]
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- Add build support for Amiga [Nikl]
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- Remove some directories in old that have been updated to 1.2
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- Add dylib building for Mac OS X in configure and Makefile.in
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- Remove old distribution stuff from Makefile
173
- Update README to point to DLL_FAQ.txt, and add comment on Mac OS X
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- Update links in README
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Changes in 1.2.0.6 (13 September 2003)
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- Update contrib/minizip to 1.00 [Vollant]
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- Remove test of gz functions in example.c when GZ_COMPRESS defined [Truta]
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- Update POSTINC comment for 68060 [Nikl]
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- Add contrib/infback9 with deflate64 decoding (unsupported)
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- For MVS define NO_vsnprintf and undefine FAR [van Burik]
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- Add pragma for fdopen on MVS [van Burik]
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Changes in 1.2.0.5 (8 September 2003)
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- Add OF to inflateBackEnd() declaration in zlib.h
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- Remember start when using gzdopen in the middle of a file
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- Use internal off_t counters in gz* functions to properly handle seeks
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- Perform more rigorous check for distance-too-far in inffast.c
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- Add Z_BLOCK flush option to return from inflate at block boundary
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- Set strm->data_type on return from inflate
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- Indicate bits unused, if at block boundary, and if in last block
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- Replace size_t with ptrdiff_t in crc32.c, and check for correct size
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- Add condition so old NO_DEFLATE define still works for compatibility
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- FAQ update regarding the Windows DLL [Truta]
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- INDEX update: add qnx entry, remove aix entry [Truta]
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- Install zlib.3 into mandir [Wilson]
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- Move contrib/zlib_dll_FAQ.txt to win32/DLL_FAQ.txt; update [Truta]
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- Adapt the zlib interface to the new DLL convention guidelines [Truta]
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- Introduce ZLIB_WINAPI macro to allow the export of functions using
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the WINAPI calling convention, for Visual Basic [Vollant, Truta]
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- Update msdos and win32 scripts and makefiles [Truta]
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- Export symbols by name, not by ordinal, in win32/zlib.def [Truta]
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- Add contrib/ada [Anisimkov]
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- Move asm files from contrib/vstudio/vc70_32 to contrib/asm386 [Truta]
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- Rename contrib/asm386 to contrib/masmx86 [Truta, Vollant]
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- Add contrib/masm686 [Truta]
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- Fix offsets in contrib/inflate86 and contrib/masmx86/inffas32.asm
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- Update contrib/delphi; rename to contrib/pascal; add example [Truta]
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- Remove contrib/delphi2; add a new contrib/delphi [Truta]
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- Avoid inclusion of the nonstandard <memory.h> in contrib/iostream,
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and fix some method prototypes [Truta]
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- Fix the ZCR_SEED2 constant to avoid warnings in contrib/minizip
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- Avoid the use of backslash (\) in contrib/minizip [Vollant]
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- Fix file time handling in contrib/untgz; update makefiles [Truta]
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- Update contrib/vstudio/vc70_32 to comply with the new DLL guidelines
220
- Remove contrib/vstudio/vc15_16 [Vollant]
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- Rename contrib/vstudio/vc70_32 to contrib/vstudio/vc7 [Truta]
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- Update README.contrib [Truta]
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- Invert the assignment order of match_head and s->prev[...] in
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INSERT_STRING [Truta]
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- Compare TOO_FAR with 32767 instead of 32768, to avoid 16-bit warnings
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- Compare function pointers with 0, not with NULL or Z_NULL [Truta]
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- Fix prototype of syncsearch in inflate.c [Truta]
229
- Introduce ASMINF macro to be enabled when using an ASM implementation
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of inflate_fast [Truta]
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- Change NO_DEFLATE to NO_GZCOMPRESS [Truta]
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- Modify test_gzio in example.c to take a single file name as a
234
- Exit the example.c program if gzopen fails [Truta]
235
- Add type casts around strlen in example.c [Truta]
236
- Remove casting to sizeof in minigzip.c; give a proper type
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to the variable compared with SUFFIX_LEN [Truta]
238
- Update definitions of STDC and STDC99 in zconf.h [Truta]
239
- Synchronize zconf.h with the new Windows DLL interface [Truta]
240
- Use SYS16BIT instead of __32BIT__ to distinguish between
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16- and 32-bit platforms [Truta]
242
- Use far memory allocators in small 16-bit memory models for
244
- Add info about the use of ASMV, ASMINF and ZLIB_WINAPI in
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zlibCompileFlags [Truta]
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- Cygwin has vsnprintf [Wilson]
247
- In Windows16, OS_CODE is 0, as in MSDOS [Truta]
248
- In Cygwin, OS_CODE is 3 (Unix), not 11 (Windows32) [Wilson]
250
Changes in 1.2.0.4 (10 August 2003)
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- Be more strict when checking inflateInit2's windowBits parameter
253
- Change NO_GUNZIP compile option to NO_GZIP to cover deflate as well
254
- Add gzip wrapper option to deflateInit2 using windowBits
255
- Add updated QNX rule in configure and qnx directory [Bonnefoy]
256
- Make inflate distance-too-far checks more rigorous
257
- Clean up FAR usage in inflate
258
- Add casting to sizeof() in gzio.c and minigzip.c
260
Changes in 1.2.0.3 (19 July 2003)
261
- Fix silly error in gzungetc() implementation [Vollant]
262
- Update contrib/minizip and contrib/vstudio [Vollant]
263
- Fix printf format in example.c
264
- Correct cdecl support in zconf.in.h [Anisimkov]
267
Changes in 1.2.0.2 (13 July 2003)
268
- Add ZLIB_VERNUM in zlib.h for numerical preprocessor comparisons
269
- Attempt to avoid warnings in crc32.c for pointer-int conversion
270
- Add AIX to configure, remove aix directory [Bakker]
271
- Add some casts to minigzip.c
272
- Improve checking after insecure sprintf() or vsprintf() calls
273
- Remove #elif's from crc32.c
274
- Change leave label to inf_leave in inflate.c and infback.c to avoid
276
- Remove inflate gzip decoding by default--only enable gzip decoding by
277
special request for stricter backward compatibility
278
- Add zlibCompileFlags() function to return compilation information
279
- More typecasting in deflate.c to avoid warnings
280
- Remove leading underscore from _Capital #defines [Truta]
281
- Fix configure to link shared library when testing
282
- Add some Windows CE target adjustments [Mai]
283
- Remove #define ZLIB_DLL in zconf.h [Vollant]
284
- Add zlib.3 [Rodgers]
285
- Update RFC URL in deflate.c and algorithm.txt [Mai]
286
- Add zlib_dll_FAQ.txt to contrib [Truta]
287
- Add UL to some constants [Truta]
288
- Update minizip and vstudio [Vollant]
289
- Remove vestigial NEED_DUMMY_RETURN from zconf.in.h
290
- Expand use of NO_DUMMY_DECL to avoid all dummy structures
291
- Added iostream3 to contrib [Schwardt]
292
- Replace rewind() with fseek() for WinCE [Truta]
293
- Improve setting of zlib format compression level flags
294
- Report 0 for huffman and rle strategies and for level == 0 or 1
295
- Report 2 only for level == 6
296
- Only deal with 64K limit when necessary at compile time [Truta]
297
- Allow TOO_FAR check to be turned off at compile time [Truta]
298
- Add gzclearerr() function [Souza]
299
- Add gzungetc() function
301
Changes in 1.2.0.1 (17 March 2003)
302
- Add Z_RLE strategy for run-length encoding [Truta]
303
- When Z_RLE requested, restrict matches to distance one
304
- Update zlib.h, minigzip.c, gzopen(), gzdopen() for Z_RLE
305
- Correct FASTEST compilation to allow level == 0
306
- Clean up what gets compiled for FASTEST
307
- Incorporate changes to zconf.in.h [Vollant]
308
- Refine detection of Turbo C need for dummy returns
309
- Refine ZLIB_DLL compilation
310
- Include additional header file on VMS for off_t typedef
311
- Try to use _vsnprintf where it supplants vsprintf [Vollant]
312
- Add some casts in inffast.c
313
- Enchance comments in zlib.h on what happens if gzprintf() tries to
314
write more than 4095 bytes before compression
315
- Remove unused state from inflateBackEnd()
316
- Remove exit(0) from minigzip.c, example.c
317
- Get rid of all those darn tabs
318
- Add "check" target to Makefile.in that does the same thing as "test"
319
- Add "mostlyclean" and "maintainer-clean" targets to Makefile.in
320
- Update contrib/inflate86 [Anderson]
321
- Update contrib/testzlib, contrib/vstudio, contrib/minizip [Vollant]
322
- Add msdos and win32 directories with makefiles [Truta]
323
- More additions and improvements to the FAQ
325
Changes in 1.2.0 (9 March 2003)
326
- New and improved inflate code
328
- Does not allocate 32K window unless and until needed
329
- Automatically detects and decompresses gzip streams
330
- Raw inflate no longer needs an extra dummy byte at end
331
- Added inflateBack functions using a callback interface--even faster
332
than inflate, useful for file utilities (gzip, zip)
333
- Added inflateCopy() function to record state for random access on
334
externally generated deflate streams (e.g. in gzip files)
335
- More readable code (I hope)
336
- New and improved crc32()
337
- About 50% faster, thanks to suggestions from Rodney Brown
338
- Add deflateBound() and compressBound() functions
339
- Fix memory leak in deflateInit2()
340
- Permit setting dictionary for raw deflate (for parallel deflate)
341
- Fix const declaration for gzwrite()
342
- Check for some malloc() failures in gzio.c
343
- Fix bug in gzopen() on single-byte file 0x1f
344
- Fix bug in gzread() on concatenated file with 0x1f at end of buffer
345
and next buffer doesn't start with 0x8b
346
- Fix uncompress() to return Z_DATA_ERROR on truncated input
347
- Free memory at end of example.c
348
- Remove MAX #define in trees.c (conflicted with some libraries)
349
- Fix static const's in deflate.c, gzio.c, and zutil.[ch]
350
- Declare malloc() and free() in gzio.c if STDC not defined
351
- Use malloc() instead of calloc() in zutil.c if int big enough
352
- Define STDC for AIX
353
- Add aix/ with approach for compiling shared library on AIX
354
- Add HP-UX support for shared libraries in configure
355
- Add OpenUNIX support for shared libraries in configure
356
- Use $cc instead of gcc to build shared library
357
- Make prefix directory if needed when installing
358
- Correct Macintosh avoidance of typedef Byte in zconf.h
359
- Correct Turbo C memory allocation when under Linux
360
- Use libz.a instead of -lz in Makefile (assure use of compiled library)
361
- Update configure to check for snprintf or vsnprintf functions and their
362
return value, warn during make if using an insecure function
363
- Fix configure problem with compile-time knowledge of HAVE_UNISTD_H that
364
is lost when library is used--resolution is to build new zconf.h
365
- Documentation improvements (in zlib.h):
366
- Document raw deflate and inflate
368
- Point out that zlib and gzip formats are different
369
- Note that Z_BUF_ERROR is not fatal
370
- Document string limit for gzprintf() and possible buffer overflow
371
- Note requirement on avail_out when flushing
372
- Note permitted values of flush parameter of inflate()
373
- Add some FAQs (and even answers) to the FAQ
374
- Add contrib/inflate86/ for x86 faster inflate
375
- Add contrib/blast/ for PKWare Data Compression Library decompression
376
- Add contrib/puff/ simple inflate for deflate format description
4
378
Changes in 1.1.4 (11 March 2002)
5
379
- ZFREE was repeated on same allocation on some error conditions.
added
removed
PNG/zlib/ChangeLog
