ChangeLog file for zlib

Changes in 1.2.5 (19 Apr 2010)

- Disable visibility attribute in win32/Makefile.gcc [Bar-Lev]

- Default to libdir as sharedlibdir in configure [Nieder]

- Update copyright dates on modified source files

- Update trees.c to be able to generate modified trees.h

- Exit configure for MinGW, suggesting win32/Makefile.gcc

Changes in 1.2.4.5 (18 Apr 2010)

- Set sharedlibdir in configure [Torok]

- Set LDFLAGS in Makefile.in [Bar-Lev]

- Avoid mkdir objs race condition in Makefile.in [Bowler]

- Add ZLIB_INTERNAL in front of internal inter-module functions and arrays

- Define ZLIB_INTERNAL to hide internal functions and arrays for GNU C

- Don't use hidden attribute when it is a warning generator (e.g. Solaris)

Changes in 1.2.4.4 (18 Apr 2010)

- Fix CROSS_PREFIX executable testing, CHOST extract, mingw* [Torok]

- Undefine _LARGEFILE64_SOURCE in zconf.h if it is zero, but not if empty

- Try to use bash or ksh regardless of functionality of /bin/sh

- Fix configure incompatibility with NetBSD sh

- Remove attempt to run under bash or ksh since have better NetBSD fix

- Fix win32/Makefile.gcc for MinGW [Bar-Lev]

- Add diagnostic messages when using CROSS_PREFIX in configure

- Added --sharedlibdir option to configure [Weigelt]

- Use hidden visibility attribute when available [Frysinger]

Changes in 1.2.4.3 (10 Apr 2010)

- Only use CROSS_PREFIX in configure for ar and ranlib if they exist

- Use CROSS_PREFIX for nm [Bar-Lev]

- Assume _LARGEFILE64_SOURCE defined is equivalent to true

- Avoid use of undefined symbols in #if with && and ||

- Make *64 prototypes in gzguts.h consistent with functions

- Add -shared load option for MinGW in configure [Bowler]

- Move z_off64_t to public interface, use instead of off64_t

- Remove ! from shell test in configure (not portable to Solaris)

- Change +0 macro tests to -0 for possibly increased portability

Changes in 1.2.4.2 (9 Apr 2010)

- Add consistent carriage returns to readme.txt's in masmx86 and masmx64

- Really provide prototypes for *64 functions when building without LFS

- Only define unlink() in minigzip.c if unistd.h not included

- Update README to point to contrib/vstudio project files

- Move projects/vc6 to old/ and remove projects/

- Include stdlib.h in minigzip.c for setmode() definition under WinCE

- Clean up assembler builds in win32/Makefile.msc [Rowe]

- Include sys/types.h for Microsoft for off_t definition

- Fix memory leak on error in gz_open()

- Symbolize nm as $NM in configure [Weigelt]

- Use TEST_LDSHARED instead of LDSHARED to link test programs [Weigelt]

- Add +0 to _FILE_OFFSET_BITS and _LFS64_LARGEFILE in case not defined

- Fix bug in gzeof() to take into account unused input data

- Avoid initialization of structures with variables in puff.c

- Updated win32/README-WIN32.txt [Rowe]

Changes in 1.2.4.1 (28 Mar 2010)

- Remove the use of [a-z] constructs for sed in configure [gentoo 310225]

- Remove $(SHAREDLIB) from LIBS in Makefile.in [Creech]

- Restore "for debugging" comment on sprintf() in gzlib.c

- Remove fdopen for MVS from gzguts.h

- Put new README-WIN32.txt in win32 [Rowe]

- Add check for shell to configure and invoke another shell if needed

- Fix big fat stinking bug in gzseek() on uncompressed files

- Remove vestigial F_OPEN64 define in zutil.h

- Set and check the value of _LARGEFILE_SOURCE and _LARGEFILE64_SOURCE

- Avoid errors on non-LFS systems when applications define LFS macros

- Set EXE to ".exe" in configure for MINGW [Kahle]

- Match crc32() in crc32.c exactly to the prototype in zlib.h [Sherrill]

- Add prefix for cross-compilation in win32/makefile.gcc [Bar-Lev]

- Add DLL install in win32/makefile.gcc [Bar-Lev]

- Allow Linux* or linux* from uname in configure [Bar-Lev]

- Allow ldconfig to be redefined in configure and Makefile.in [Bar-Lev]

- Add cross-compilation prefixes to configure [Bar-Lev]

- Match type exactly in gz_load() invocation in gzread.c

- Match type exactly of zcalloc() in zutil.c to zlib.h alloc_func

- Provide prototypes for *64 functions when building zlib without LFS

- Don't use -lc when linking shared library on MinGW

- Remove errno.h check in configure and vestigial errno code in zutil.h

Changes in 1.2.4 (14 Mar 2010)

- Fix VER3 extraction in configure for no fourth subversion

- Update zlib.3, add docs to Makefile.in to make .pdf out of it

- Add zlib.3.pdf to distribution

- Don't set error code in gzerror() if passed pointer is NULL

- Apply destination directory fixes to CMakeLists.txt [Lowman]

- Move #cmakedefine's to a new zconf.in.cmakein

- Restore zconf.h for builds that don't use configure or cmake

- Add distclean to dummy Makefile for convenience

- Update and improve INDEX, README, and FAQ

- Update CMakeLists.txt for the return of zconf.h [Lowman]

- Update contrib/vstudio/vc9 and vc10 [Vollant]

- Change libz.dll.a back to libzdll.a in win32/Makefile.gcc

- Apply license and readme changes to contrib/asm686 [Raiter]

- Check file name lengths and add -c option in minigzip.c [Li]

- Update contrib/amd64 and contrib/masmx86/ [Vollant]

- Avoid use of "eof" parameter in trees.c to not shadow library variable

- Update make_vms.com for removal of zlibdefs.h [Zinser]

- Update assembler code and vstudio projects in contrib [Vollant]

- Remove outdated assembler code contrib/masm686 and contrib/asm586

- Remove old vc7 and vc8 from contrib/vstudio

- Update win32/Makefile.msc, add ZLIB_VER_SUBREVISION [Rowe]

- Fix memory leaks in gzclose_r() and gzclose_w(), file leak in gz_open()

- Add contrib/gcc_gvmat64 for longest_match and inflate_fast [Vollant]

- Remove *64 functions from win32/zlib.def (they're not 64-bit yet)

- Fix bug in void-returning vsprintf() case in gzwrite.c

- Fix name change from inflate.h in contrib/inflate86/inffas86.c

- Check if temporary file exists before removing in make_vms.com [Zinser]

- Fix make install and uninstall for --static option

- Fix usage of _MSC_VER in gzguts.h and zutil.h [Truta]

- Update readme.txt in contrib/masmx64 and masmx86 to assemble

Changes in 1.2.3.9 (21 Feb 2010)

- Expunge gzio.c

- Move as400 build information to old

- Fix updates in contrib/minizip and contrib/vstudio

- Add const to vsnprintf test in configure to avoid warnings [Weigelt]

- Delete zconf.h (made by configure) [Weigelt]

- Change zconf.in.h to zconf.h.in per convention [Weigelt]

- Check for NULL buf in gzgets()

- Return empty string for gzgets() with len == 1 (like fgets())

- Fix description of gzgets() in zlib.h for end-of-file, NULL return

- Update minizip to 1.1 [Vollant]

- Avoid MSVC loss of data warnings in gzread.c, gzwrite.c

- Note in zlib.h that gzerror() should be used to distinguish from EOF

- Remove use of snprintf() from gzlib.c

- Fix bug in gzseek()

- Update contrib/vstudio, adding vc9 and vc10 [Kuno, Vollant]

- Fix zconf.h generation in CMakeLists.txt [Lowman]

- Improve comments in zconf.h where modified by configure

Changes in 1.2.3.8 (13 Feb 2010)

- Clean up text files (tabs, trailing whitespace, etc.) [Oberhumer]

- Use z_off64_t in gz_zero() and gz_skip() to match state->skip

- Avoid comparison problem when sizeof(int) == sizeof(z_off64_t)

- Revert to Makefile.in from 1.2.3.6 (live with the clutter)

- Fix missing error return in gzflush(), add zlib.h note

- Add *64 functions to zlib.map [Levin]

- Fix signed/unsigned comparison in gz_comp()

- Use SFLAGS when testing shared linking in configure

- Add --64 option to ./configure to use -m64 with gcc

- Fix ./configure --help to correctly name options

- Have make fail if a test fails [Levin]

- Avoid buffer overrun in contrib/masmx64/gvmat64.asm [Simpson]

- Remove assembler object files from contrib

Changes in 1.2.3.7 (24 Jan 2010)

- Always gzopen() with O_LARGEFILE if available

- Fix gzdirect() to work immediately after gzopen() or gzdopen()

- Make gzdirect() more precise when the state changes while reading

- Improve zlib.h documentation in many places

- Catch memory allocation failure in gz_open()

- Complete close operation if seek forward in gzclose_w() fails

- Return Z_ERRNO from gzclose_r() if close() fails

- Return Z_STREAM_ERROR instead of EOF for gzclose() being passed NULL

- Return zero for gzwrite() errors to match zlib.h description

- Return -1 on gzputs() error to match zlib.h description

- Add zconf.in.h to allow recovery from configure modification [Weigelt]

- Fix static library permissions in Makefile.in [Weigelt]

- Avoid warnings in configure tests that hide functionality [Weigelt]

- Add *BSD and DragonFly to Linux case in configure [gentoo 123571]

- Change libzdll.a to libz.dll.a in win32/Makefile.gcc [gentoo 288212]

- Avoid access of uninitialized data for first inflateReset2 call [Gomes]

- Keep object files in subdirectories to reduce the clutter somewhat

- Remove default Makefile and zlibdefs.h, add dummy Makefile

- Add new external functions to Z_PREFIX, remove duplicates, z_z_ -> z_

- Remove zlibdefs.h completely -- modify zconf.h instead

Changes in 1.2.3.6 (17 Jan 2010)

- Avoid void * arithmetic in gzread.c and gzwrite.c

- Make compilers happier with const char * for gz_error message

- Avoid unused parameter warning in inflate.c

- Avoid signed-unsigned comparison warning in inflate.c

- Indent #pragma's for traditional C

- Fix usage of strwinerror() in glib.c, change to gz_strwinerror()

- Correct email address in configure for system options

- Update make_vms.com and add make_vms.com to contrib/minizip [Zinser]

- Update zlib.map [Brown]

- Fix Makefile.in for Solaris 10 make of example64 and minizip64 [Torok]

- Apply various fixes to CMakeLists.txt [Lowman]

- Add checks on len in gzread() and gzwrite()

- Add error message for no more room for gzungetc()

- Remove zlib version check in gzwrite()

- Defer compression of gzprintf() result until need to

- Use snprintf() in gzdopen() if available

- Remove USE_MMAP configuration determination (only used by minigzip)

- Remove examples/pigz.c (available separately)

- Update examples/gun.c to 1.6

Changes in 1.2.3.5 (8 Jan 2010)

- Add space after #if in zutil.h for some compilers

- Fix relatively harmless bug in deflate_fast() [Exarevsky]

- Fix same problem in deflate_slow()

- Add $(SHAREDLIBV) to LIBS in Makefile.in [Brown]

- Add deflate_rle() for faster Z_RLE strategy run-length encoding

- Add deflate_huff() for faster Z_HUFFMAN_ONLY encoding

- Change name of "write" variable in inffast.c to avoid library collisions

- Fix premature EOF from gzread() in gzio.c [Brown]

- Use zlib header window size if windowBits is 0 in inflateInit2()

- Remove compressBound() call in deflate.c to avoid linking compress.o

- Replace use of errno in gz* with functions, support WinCE [Alves]

- Provide alternative to perror() in minigzip.c for WinCE [Alves]

- Don't use _vsnprintf on later versions of MSVC [Lowman]

- Add CMake build script and input file [Lowman]

- Update contrib/minizip to 1.1 [Svensson, Vollant]

- Moved nintendods directory from contrib to .

- Replace gzio.c with a new set of routines with the same functionality

- Add gzbuffer(), gzoffset(), gzclose_r(), gzclose_w() as part of above

- Update contrib/minizip to 1.1b

- Change gzeof() to return 0 on error instead of -1 to agree with zlib.h

Changes in 1.2.3.4 (21 Dec 2009)

- Use old school .SUFFIXES in Makefile.in for FreeBSD compatibility

- Update comments in configure and Makefile.in for default --shared

- Fix test -z's in configure [Marquess]

- Build examplesh and minigzipsh when not testing

- Change NULL's to Z_NULL's in deflate.c and in comments in zlib.h

- Import LDFLAGS from the environment in configure

- Fix configure to populate SFLAGS with discovered CFLAGS options

- Adapt make_vms.com to the new Makefile.in [Zinser]

- Add zlib2ansi script for C++ compilation [Marquess]

- Add _FILE_OFFSET_BITS=64 test to make test (when applicable)

- Add AMD64 assembler code for longest match to contrib [Teterin]

- Include options from $SFLAGS when doing $LDSHARED

- Simplify 64-bit file support by introducing z_off64_t type

- Make shared object files in objs directory to work around old Sun cc

- Use only three-part version number for Darwin shared compiles

- Add rc option to ar in Makefile.in for when ./configure not run

- Add -WI,-rpath,. to LDFLAGS for OSF 1 V4*

- Set LD_LIBRARYN32_PATH for SGI IRIX shared compile

- Protect against _FILE_OFFSET_BITS being defined when compiling zlib

- Rename Makefile.in targets allstatic to static and allshared to shared

- Fix static and shared Makefile.in targets to be independent

- Correct error return bug in gz_open() by setting state [Brown]

- Put spaces before ;;'s in configure for better sh compatibility

- Add pigz.c (parallel implementation of gzip) to examples/

- Correct constant in crc32.c to UL [Leventhal]

- Reject negative lengths in crc32_combine()

- Add inflateReset2() function to work like inflateEnd()/inflateInit2()

- Include sys/types.h for _LARGEFILE64_SOURCE [Brown]

- Correct typo in doc/algorithm.txt [Janik]

- Fix bug in adler32_combine() [Zhu]

- Catch missing-end-of-block-code error in all inflates and in puff

    Assures that random input to inflate eventually results in an error

- Added enough.c (calculation of ENOUGH for inftrees.h) to examples/

- Update ENOUGH and its usage to reflect discovered bounds

- Fix gzerror() error report on empty input file [Brown]

- Add ush casts in trees.c to avoid pedantic runtime errors

- Fix typo in zlib.h uncompress() description [Reiss]

- Correct inflate() comments with regard to automatic header detection

- Remove deprecation comment on Z_PARTIAL_FLUSH (it stays)

- Put new version of gzlog (2.0) in examples with interruption recovery

- Add puff compile option to permit invalid distance-too-far streams

- Add puff TEST command options, ability to read piped input

- Prototype the *64 functions in zlib.h when _FILE_OFFSET_BITS == 64, but

  _LARGEFILE64_SOURCE not defined

- Fix Z_FULL_FLUSH to truly erase the past by resetting s->strstart

- Fix deflateSetDictionary() to use all 32K for output consistency

- Remove extraneous #define MIN_LOOKAHEAD in deflate.c (in deflate.h)

- Clear bytes after deflate lookahead to avoid use of uninitialized data

- Change a limit in inftrees.c to be more transparent to Coverity Prevent

- Update win32/zlib.def with exported symbols from zlib.h

- Correct spelling error in zlib.h [Willem]

- Allow Z_BLOCK for deflate() to force a new block

- Allow negative bits in inflatePrime() to delete existing bit buffer

- Add Z_TREES flush option to inflate() to return at end of trees

- Add inflateMark() to return current state information for random access

- Add Makefile for NintendoDS to contrib [Costa]

- Add -w in configure compile tests to avoid spurious warnings [Beucler]

- Fix typos in zlib.h comments for deflateSetDictionary()

- Fix EOF detection in transparent gzread() [Maier]

Changes in 1.2.3.3 (2 October 2006)

- Make --shared the default for configure, add a --static option

- Add compile option to permit invalid distance-too-far streams

- Add inflateUndermine() function which is required to enable above

- Remove use of "this" variable name for C++ compatibility [Marquess]

- Add testing of shared library in make test, if shared library built

- Use ftello() and fseeko() if available instead of ftell() and fseek()

- Provide two versions of all functions that use the z_off_t type for

  binary compatibility -- a normal version and a 64-bit offset version,

  per the Large File Support Extension when _LARGEFILE64_SOURCE is

  defined; use the 64-bit versions by default when _FILE_OFFSET_BITS

  is defined to be 64

- Add a --uname= option to configure to perhaps help with cross-compiling

Changes in 1.2.3.2 (3 September 2006)

- Turn off silly Borland warnings [Hay]

- Use off64_t and define _LARGEFILE64_SOURCE when present

- Fix missing dependency on inffixed.h in Makefile.in

- Rig configure --shared to build both shared and static [Teredesai, Truta]

- Remove zconf.in.h and instead create a new zlibdefs.h file

- Fix contrib/minizip/unzip.c non-encrypted after encrypted [Vollant]

- Add treebuild.xml (see http://treebuild.metux.de/) [Weigelt]

Changes in 1.2.3.1 (16 August 2006)

- Add watcom directory with OpenWatcom make files [Daniel]

- Remove #undef of FAR in zconf.in.h for MVS [Fedtke]

- Update make_vms.com [Zinser]

- Use -fPIC for shared build in configure [Teredesai, Nicholson]

- Use only major version number for libz.so on IRIX and OSF1 [Reinholdtsen]

- Use fdopen() (not _fdopen()) for Interix in zutil.h [BŠck]

- Add some FAQ entries about the contrib directory

- Update the MVS question in the FAQ

- Avoid extraneous reads after EOF in gzio.c [Brown]

- Correct spelling of "successfully" in gzio.c [Randers-Pehrson]

- Add comments to zlib.h about gzerror() usage [Brown]

- Set extra flags in gzip header in gzopen() like deflate() does

- Make configure options more compatible with double-dash conventions

  [Weigelt]

- Clean up compilation under Solaris SunStudio cc [Rowe, Reinholdtsen]

- Fix uninstall target in Makefile.in [Truta]

- Add pkgconfig support [Weigelt]

- Use $(DESTDIR) macro in Makefile.in [Reinholdtsen, Weigelt]

- Replace set_data_type() with a more accurate detect_data_type() in

  trees.c, according to the txtvsbin.txt document [Truta]

- Swap the order of #include <stdio.h> and #include "zlib.h" in

  gzio.c, example.c and minigzip.c [Truta]

- Shut up annoying VS2005 warnings about standard C deprecation [Rowe,

  Truta] (where?)

- Fix target "clean" from win32/Makefile.bor [Truta]

- Create .pdb and .manifest files in win32/makefile.msc [Ziegler, Rowe]

- Update zlib www home address in win32/DLL_FAQ.txt [Truta]

- Update contrib/masmx86/inffas32.asm for VS2005 [Vollant, Van Wassenhove]

- Enable browse info in the "Debug" and "ASM Debug" configurations in

  the Visual C++ 6 project, and set (non-ASM) "Debug" as default [Truta]

- Add pkgconfig support [Weigelt]

- Add ZLIB_VER_MAJOR, ZLIB_VER_MINOR and ZLIB_VER_REVISION in zlib.h,

  for use in win32/zlib1.rc [Polushin, Rowe, Truta]

- Add a document that explains the new text detection scheme to

  doc/txtvsbin.txt [Truta]

- Add rfc1950.txt, rfc1951.txt and rfc1952.txt to doc/ [Truta]

- Move algorithm.txt into doc/ [Truta]

- Synchronize FAQ with website

- Fix compressBound(), was low for some pathological cases [Fearnley]

- Take into account wrapper variations in deflateBound()

- Set examples/zpipe.c input and output to binary mode for Windows

- Update examples/zlib_how.html with new zpipe.c (also web site)

- Fix some warnings in examples/gzlog.c and examples/zran.c (it seems

  that gcc became pickier in 4.0)

- Add zlib.map for Linux: "All symbols from zlib-1.1.4 remain

  un-versioned, the patch adds versioning only for symbols introduced in

  zlib-1.2.0 or later.  It also declares as local those symbols which are

  not designed to be exported." [Levin]

- Update Z_PREFIX list in zconf.in.h, add --zprefix option to configure

- Do not initialize global static by default in trees.c, add a response

  NO_INIT_GLOBAL_POINTERS to initialize them if needed [Marquess]

- Don't use strerror() in gzio.c under WinCE [Yakimov]

- Don't use errno.h in zutil.h under WinCE [Yakimov]

- Move arguments for AR to its usage to allow replacing ar [Marot]

- Add HAVE_VISIBILITY_PRAGMA in zconf.in.h for Mozilla [Randers-Pehrson]

- Improve inflateInit() and inflateInit2() documentation

- Fix structure size comment in inflate.h

- Change configure help option from --h* to --help [Santos]

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

- Add 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)