ChangeLog revision 206002
117651Speter 2131377Stjr ChangeLog file for zlib 317651Speter 4206002SdelphijChanges in 1.2.4.1 (28 Mar 2010) 5206002Sdelphij- Remove the use of [a-z] constructs for sed in configure [gentoo 310225] 6206002Sdelphij- Remove $(SHAREDLIB) from LIBS in Makefile.in [Creech] 7206002Sdelphij- Restore "for debugging" comment on sprintf() in gzlib.c 8206002Sdelphij- Remove fdopen for MVS from gzguts.h 9206002Sdelphij- Put new README-WIN32.txt in win32 [Rowe] 10206002Sdelphij- Add check for shell to configure and invoke another shell if needed 11206002Sdelphij- Fix big fat stinking bug in gzseek() on uncompressed files 12206002Sdelphij- Remove vestigial F_OPEN64 define in zutil.h 13206002Sdelphij- Set and check the value of _LARGEFILE_SOURCE and _LARGEFILE64_SOURCE 14206002Sdelphij- Avoid errors on non-LFS systems when applications define LFS macros 15206002Sdelphij- Set EXE to ".exe" in configure for MINGW [Kahle] 16206002Sdelphij- Match crc32() in crc32.c exactly to the prototype in zlib.h [Sherrill] 17206002Sdelphij- Add prefix for cross-compilation in win32/makefile.gcc [Bar-Lev] 18206002Sdelphij- Add DLL install in win32/makefile.gcc [Bar-Lev] 19206002Sdelphij- Allow Linux* or linux* from uname in configure [Bar-Lev] 20206002Sdelphij- Allow ldconfig to be redefined in configure and Makefile.in [Bar-Lev] 21206002Sdelphij- Add cross-compilation prefixes to configure [Bar-Lev] 22206002Sdelphij- Match type exactly in gz_load() invocation in gzread.c 23206002Sdelphij- Match type exactly of zcalloc() in zutil.c to zlib.h alloc_func 24206002Sdelphij- Provide prototypes for *64 functions when building zlib without LFS 25206002Sdelphij- Don't use -lc when linking shared library on MinGW 26206002Sdelphij- Remove errno.h check in configure and vestigial errno code in zutil.h 27206002Sdelphij 28205471SdelphijChanges in 1.2.4 (14 Mar 2010) 29205471Sdelphij- Fix VER3 extraction in configure for no fourth subversion 30205471Sdelphij- Update zlib.3, add docs to Makefile.in to make .pdf out of it 31205471Sdelphij- Add zlib.3.pdf to distribution 32205471Sdelphij- Don't set error code in gzerror() if passed pointer is NULL 33205471Sdelphij- Apply destination directory fixes to CMakeLists.txt [Lowman] 34205471Sdelphij- Move #cmakedefine's to a new zconf.in.cmakein 35205471Sdelphij- Restore zconf.h for builds that don't use configure or cmake 36205471Sdelphij- Add distclean to dummy Makefile for convenience 37205471Sdelphij- Update and improve INDEX, README, and FAQ 38205471Sdelphij- Update CMakeLists.txt for the return of zconf.h [Lowman] 39205471Sdelphij- Update contrib/vstudio/vc9 and vc10 [Vollant] 40205471Sdelphij- Change libz.dll.a back to libzdll.a in win32/Makefile.gcc 41205471Sdelphij- Apply license and readme changes to contrib/asm686 [Raiter] 42205471Sdelphij- Check file name lengths and add -c option in minigzip.c [Li] 43205471Sdelphij- Update contrib/amd64 and contrib/masmx86/ [Vollant] 44205471Sdelphij- Avoid use of "eof" parameter in trees.c to not shadow library variable 45205471Sdelphij- Update make_vms.com for removal of zlibdefs.h [Zinser] 46205471Sdelphij- Update assembler code and vstudio projects in contrib [Vollant] 47205471Sdelphij- Remove outdated assembler code contrib/masm686 and contrib/asm586 48205471Sdelphij- Remove old vc7 and vc8 from contrib/vstudio 49205471Sdelphij- Update win32/Makefile.msc, add ZLIB_VER_SUBREVISION [Rowe] 50205471Sdelphij- Fix memory leaks in gzclose_r() and gzclose_w(), file leak in gz_open() 51205471Sdelphij- Add contrib/gcc_gvmat64 for longest_match and inflate_fast [Vollant] 52205471Sdelphij- Remove *64 functions from win32/zlib.def (they're not 64-bit yet) 53205471Sdelphij- Fix bug in void-returning vsprintf() case in gzwrite.c 54205471Sdelphij- Fix name change from inflate.h in contrib/inflate86/inffas86.c 55205471Sdelphij- Check if temporary file exists before removing in make_vms.com [Zinser] 56205471Sdelphij- Fix make install and uninstall for --static option 57205471Sdelphij- Fix usage of _MSC_VER in gzguts.h and zutil.h [Truta] 58205471Sdelphij- Update readme.txt in contrib/masmx64 and masmx86 to assemble 59205471Sdelphij 60205471SdelphijChanges in 1.2.3.9 (21 Feb 2010) 61205471Sdelphij- Expunge gzio.c 62205471Sdelphij- Move as400 build information to old 63205471Sdelphij- Fix updates in contrib/minizip and contrib/vstudio 64205471Sdelphij- Add const to vsnprintf test in configure to avoid warnings [Weigelt] 65205471Sdelphij- Delete zconf.h (made by configure) [Weigelt] 66205471Sdelphij- Change zconf.in.h to zconf.h.in per convention [Weigelt] 67205471Sdelphij- Check for NULL buf in gzgets() 68205471Sdelphij- Return empty string for gzgets() with len == 1 (like fgets()) 69205471Sdelphij- Fix description of gzgets() in zlib.h for end-of-file, NULL return 70205471Sdelphij- Update minizip to 1.1 [Vollant] 71205471Sdelphij- Avoid MSVC loss of data warnings in gzread.c, gzwrite.c 72205471Sdelphij- Note in zlib.h that gzerror() should be used to distinguish from EOF 73205471Sdelphij- Remove use of snprintf() from gzlib.c 74205471Sdelphij- Fix bug in gzseek() 75205471Sdelphij- Update contrib/vstudio, adding vc9 and vc10 [Kuno, Vollant] 76205471Sdelphij- Fix zconf.h generation in CMakeLists.txt [Lowman] 77205471Sdelphij- Improve comments in zconf.h where modified by configure 78205471Sdelphij 79205471SdelphijChanges in 1.2.3.8 (13 Feb 2010) 80205471Sdelphij- Clean up text files (tabs, trailing whitespace, etc.) [Oberhumer] 81205471Sdelphij- Use z_off64_t in gz_zero() and gz_skip() to match state->skip 82205471Sdelphij- Avoid comparison problem when sizeof(int) == sizeof(z_off64_t) 83205471Sdelphij- Revert to Makefile.in from 1.2.3.6 (live with the clutter) 84205471Sdelphij- Fix missing error return in gzflush(), add zlib.h note 85205471Sdelphij- Add *64 functions to zlib.map [Levin] 86205471Sdelphij- Fix signed/unsigned comparison in gz_comp() 87205471Sdelphij- Use SFLAGS when testing shared linking in configure 88205471Sdelphij- Add --64 option to ./configure to use -m64 with gcc 89205471Sdelphij- Fix ./configure --help to correctly name options 90205471Sdelphij- Have make fail if a test fails [Levin] 91205471Sdelphij- Avoid buffer overrun in contrib/masmx64/gvmat64.asm [Simpson] 92205471Sdelphij- Remove assembler object files from contrib 93205471Sdelphij 94205471SdelphijChanges in 1.2.3.7 (24 Jan 2010) 95205471Sdelphij- Always gzopen() with O_LARGEFILE if available 96205471Sdelphij- Fix gzdirect() to work immediately after gzopen() or gzdopen() 97205471Sdelphij- Make gzdirect() more precise when the state changes while reading 98205471Sdelphij- Improve zlib.h documentation in many places 99205471Sdelphij- Catch memory allocation failure in gz_open() 100205471Sdelphij- Complete close operation if seek forward in gzclose_w() fails 101205471Sdelphij- Return Z_ERRNO from gzclose_r() if close() fails 102205471Sdelphij- Return Z_STREAM_ERROR instead of EOF for gzclose() being passed NULL 103205471Sdelphij- Return zero for gzwrite() errors to match zlib.h description 104205471Sdelphij- Return -1 on gzputs() error to match zlib.h description 105205471Sdelphij- Add zconf.in.h to allow recovery from configure modification [Weigelt] 106205471Sdelphij- Fix static library permissions in Makefile.in [Weigelt] 107205471Sdelphij- Avoid warnings in configure tests that hide functionality [Weigelt] 108205471Sdelphij- Add *BSD and DragonFly to Linux case in configure [gentoo 123571] 109205471Sdelphij- Change libzdll.a to libz.dll.a in win32/Makefile.gcc [gentoo 288212] 110205471Sdelphij- Avoid access of uninitialized data for first inflateReset2 call [Gomes] 111205471Sdelphij- Keep object files in subdirectories to reduce the clutter somewhat 112205471Sdelphij- Remove default Makefile and zlibdefs.h, add dummy Makefile 113205471Sdelphij- Add new external functions to Z_PREFIX, remove duplicates, z_z_ -> z_ 114205471Sdelphij- Remove zlibdefs.h completely -- modify zconf.h instead 115205471Sdelphij 116205471SdelphijChanges in 1.2.3.6 (17 Jan 2010) 117205471Sdelphij- Avoid void * arithmetic in gzread.c and gzwrite.c 118205471Sdelphij- Make compilers happier with const char * for gz_error message 119205471Sdelphij- Avoid unused parameter warning in inflate.c 120205471Sdelphij- Avoid signed-unsigned comparison warning in inflate.c 121205471Sdelphij- Indent #pragma's for traditional C 122205471Sdelphij- Fix usage of strwinerror() in glib.c, change to gz_strwinerror() 123205471Sdelphij- Correct email address in configure for system options 124205471Sdelphij- Update make_vms.com and add make_vms.com to contrib/minizip [Zinser] 125205471Sdelphij- Update zlib.map [Brown] 126205471Sdelphij- Fix Makefile.in for Solaris 10 make of example64 and minizip64 [T�r�k] 127205471Sdelphij- Apply various fixes to CMakeLists.txt [Lowman] 128205471Sdelphij- Add checks on len in gzread() and gzwrite() 129205471Sdelphij- Add error message for no more room for gzungetc() 130205471Sdelphij- Remove zlib version check in gzwrite() 131205471Sdelphij- Defer compression of gzprintf() result until need to 132205471Sdelphij- Use snprintf() in gzdopen() if available 133205471Sdelphij- Remove USE_MMAP configuration determination (only used by minigzip) 134205471Sdelphij- Remove examples/pigz.c (available separately) 135205471Sdelphij- Update examples/gun.c to 1.6 136205471Sdelphij 137205471SdelphijChanges in 1.2.3.5 (8 Jan 2010) 138205471Sdelphij- Add space after #if in zutil.h for some compilers 139205471Sdelphij- Fix relatively harmless bug in deflate_fast() [Exarevsky] 140205471Sdelphij- Fix same problem in deflate_slow() 141205471Sdelphij- Add $(SHAREDLIBV) to LIBS in Makefile.in [Brown] 142205471Sdelphij- Add deflate_rle() for faster Z_RLE strategy run-length encoding 143205471Sdelphij- Add deflate_huff() for faster Z_HUFFMAN_ONLY encoding 144205471Sdelphij- Change name of "write" variable in inffast.c to avoid library collisions 145205471Sdelphij- Fix premature EOF from gzread() in gzio.c [Brown] 146205471Sdelphij- Use zlib header window size if windowBits is 0 in inflateInit2() 147205471Sdelphij- Remove compressBound() call in deflate.c to avoid linking compress.o 148205471Sdelphij- Replace use of errno in gz* with functions, support WinCE [Alves] 149205471Sdelphij- Provide alternative to perror() in minigzip.c for WinCE [Alves] 150205471Sdelphij- Don't use _vsnprintf on later versions of MSVC [Lowman] 151205471Sdelphij- Add CMake build script and input file [Lowman] 152205471Sdelphij- Update contrib/minizip to 1.1 [Svensson, Vollant] 153205471Sdelphij- Moved nintendods directory from contrib to . 154205471Sdelphij- Replace gzio.c with a new set of routines with the same functionality 155205471Sdelphij- Add gzbuffer(), gzoffset(), gzclose_r(), gzclose_w() as part of above 156205471Sdelphij- Update contrib/minizip to 1.1b 157205471Sdelphij- Change gzeof() to return 0 on error instead of -1 to agree with zlib.h 158205471Sdelphij 159205471SdelphijChanges in 1.2.3.4 (21 Dec 2009) 160205471Sdelphij- Use old school .SUFFIXES in Makefile.in for FreeBSD compatibility 161205471Sdelphij- Update comments in configure and Makefile.in for default --shared 162205471Sdelphij- Fix test -z's in configure [Marquess] 163205471Sdelphij- Build examplesh and minigzipsh when not testing 164205471Sdelphij- Change NULL's to Z_NULL's in deflate.c and in comments in zlib.h 165205471Sdelphij- Import LDFLAGS from the environment in configure 166205471Sdelphij- Fix configure to populate SFLAGS with discovered CFLAGS options 167205471Sdelphij- Adapt make_vms.com to the new Makefile.in [Zinser] 168205471Sdelphij- Add zlib2ansi script for C++ compilation [Marquess] 169205471Sdelphij- Add _FILE_OFFSET_BITS=64 test to make test (when applicable) 170205471Sdelphij- Add AMD64 assembler code for longest match to contrib [Teterin] 171205471Sdelphij- Include options from $SFLAGS when doing $LDSHARED 172205471Sdelphij- Simplify 64-bit file support by introducing z_off64_t type 173205471Sdelphij- Make shared object files in objs directory to work around old Sun cc 174205471Sdelphij- Use only three-part version number for Darwin shared compiles 175205471Sdelphij- Add rc option to ar in Makefile.in for when ./configure not run 176205471Sdelphij- Add -WI,-rpath,. to LDFLAGS for OSF 1 V4* 177205471Sdelphij- Set LD_LIBRARYN32_PATH for SGI IRIX shared compile 178205471Sdelphij- Protect against _FILE_OFFSET_BITS being defined when compiling zlib 179205471Sdelphij- Rename Makefile.in targets allstatic to static and allshared to shared 180205471Sdelphij- Fix static and shared Makefile.in targets to be independent 181205471Sdelphij- Correct error return bug in gz_open() by setting state [Brown] 182205471Sdelphij- Put spaces before ;;'s in configure for better sh compatibility 183205471Sdelphij- Add pigz.c (parallel implementation of gzip) to examples/ 184205471Sdelphij- Correct constant in crc32.c to UL [Leventhal] 185205471Sdelphij- Reject negative lengths in crc32_combine() 186205471Sdelphij- Add inflateReset2() function to work like inflateEnd()/inflateInit2() 187205471Sdelphij- Include sys/types.h for _LARGEFILE64_SOURCE [Brown] 188205471Sdelphij- Correct typo in doc/algorithm.txt [Janik] 189205471Sdelphij- Fix bug in adler32_combine() [Zhu] 190205471Sdelphij- Catch missing-end-of-block-code error in all inflates and in puff 191205471Sdelphij Assures that random input to inflate eventually results in an error 192205471Sdelphij- Added enough.c (calculation of ENOUGH for inftrees.h) to examples/ 193205471Sdelphij- Update ENOUGH and its usage to reflect discovered bounds 194205471Sdelphij- Fix gzerror() error report on empty input file [Brown] 195205471Sdelphij- Add ush casts in trees.c to avoid pedantic runtime errors 196205471Sdelphij- Fix typo in zlib.h uncompress() description [Reiss] 197205471Sdelphij- Correct inflate() comments with regard to automatic header detection 198205471Sdelphij- Remove deprecation comment on Z_PARTIAL_FLUSH (it stays) 199205471Sdelphij- Put new version of gzlog (2.0) in examples with interruption recovery 200205471Sdelphij- Add puff compile option to permit invalid distance-too-far streams 201205471Sdelphij- Add puff TEST command options, ability to read piped input 202205471Sdelphij- Prototype the *64 functions in zlib.h when _FILE_OFFSET_BITS == 64, but 203205471Sdelphij _LARGEFILE64_SOURCE not defined 204205471Sdelphij- Fix Z_FULL_FLUSH to truly erase the past by resetting s->strstart 205205471Sdelphij- Fix deflateSetDictionary() to use all 32K for output consistency 206205471Sdelphij- Remove extraneous #define MIN_LOOKAHEAD in deflate.c (in deflate.h) 207205471Sdelphij- Clear bytes after deflate lookahead to avoid use of uninitialized data 208205471Sdelphij- Change a limit in inftrees.c to be more transparent to Coverity Prevent 209205471Sdelphij- Update win32/zlib.def with exported symbols from zlib.h 210205471Sdelphij- Correct spelling error in zlib.h [Willem] 211205471Sdelphij- Allow Z_BLOCK for deflate() to force a new block 212205471Sdelphij- Allow negative bits in inflatePrime() to delete existing bit buffer 213205471Sdelphij- Add Z_TREES flush option to inflate() to return at end of trees 214205471Sdelphij- Add inflateMark() to return current state information for random access 215205471Sdelphij- Add Makefile for NintendoDS to contrib [Costa] 216205471Sdelphij- Add -w in configure compile tests to avoid spurious warnings [Beucler] 217205471Sdelphij- Fix typos in zlib.h comments for deflateSetDictionary() 218205471Sdelphij- Fix EOF detection in transparent gzread() [Maier] 219205471Sdelphij 220205471SdelphijChanges in 1.2.3.3 (2 October 2006) 221205471Sdelphij- Make --shared the default for configure, add a --static option 222205471Sdelphij- Add compile option to permit invalid distance-too-far streams 223205471Sdelphij- Add inflateUndermine() function which is required to enable above 224205471Sdelphij- Remove use of "this" variable name for C++ compatibility [Marquess] 225205471Sdelphij- Add testing of shared library in make test, if shared library built 226205471Sdelphij- Use ftello() and fseeko() if available instead of ftell() and fseek() 227205471Sdelphij- Provide two versions of all functions that use the z_off_t type for 228205471Sdelphij binary compatibility -- a normal version and a 64-bit offset version, 229205471Sdelphij per the Large File Support Extension when _LARGEFILE64_SOURCE is 230205471Sdelphij defined; use the 64-bit versions by default when _FILE_OFFSET_BITS 231205471Sdelphij is defined to be 64 232205471Sdelphij- Add a --uname= option to configure to perhaps help with cross-compiling 233205471Sdelphij 234205471SdelphijChanges in 1.2.3.2 (3 September 2006) 235205471Sdelphij- Turn off silly Borland warnings [Hay] 236205471Sdelphij- Use off64_t and define _LARGEFILE64_SOURCE when present 237205471Sdelphij- Fix missing dependency on inffixed.h in Makefile.in 238205471Sdelphij- Rig configure --shared to build both shared and static [Teredesai, Truta] 239205471Sdelphij- Remove zconf.in.h and instead create a new zlibdefs.h file 240205471Sdelphij- Fix contrib/minizip/unzip.c non-encrypted after encrypted [Vollant] 241205471Sdelphij- Add treebuild.xml (see http://treebuild.metux.de/) [Weigelt] 242205471Sdelphij 243205471SdelphijChanges in 1.2.3.1 (16 August 2006) 244205471Sdelphij- Add watcom directory with OpenWatcom make files [Daniel] 245205471Sdelphij- Remove #undef of FAR in zconf.in.h for MVS [Fedtke] 246205471Sdelphij- Update make_vms.com [Zinser] 247205471Sdelphij- Use -fPIC for shared build in configure [Teredesai, Nicholson] 248205471Sdelphij- Use only major version number for libz.so on IRIX and OSF1 [Reinholdtsen] 249205471Sdelphij- Use fdopen() (not _fdopen()) for Interix in zutil.h [B�ck] 250205471Sdelphij- Add some FAQ entries about the contrib directory 251205471Sdelphij- Update the MVS question in the FAQ 252205471Sdelphij- Avoid extraneous reads after EOF in gzio.c [Brown] 253205471Sdelphij- Correct spelling of "successfully" in gzio.c [Randers-Pehrson] 254205471Sdelphij- Add comments to zlib.h about gzerror() usage [Brown] 255205471Sdelphij- Set extra flags in gzip header in gzopen() like deflate() does 256205471Sdelphij- Make configure options more compatible with double-dash conventions 257205471Sdelphij [Weigelt] 258205471Sdelphij- Clean up compilation under Solaris SunStudio cc [Rowe, Reinholdtsen] 259205471Sdelphij- Fix uninstall target in Makefile.in [Truta] 260205471Sdelphij- Add pkgconfig support [Weigelt] 261205471Sdelphij- Use $(DESTDIR) macro in Makefile.in [Reinholdtsen, Weigelt] 262205471Sdelphij- Replace set_data_type() with a more accurate detect_data_type() in 263205471Sdelphij trees.c, according to the txtvsbin.txt document [Truta] 264205471Sdelphij- Swap the order of #include <stdio.h> and #include "zlib.h" in 265205471Sdelphij gzio.c, example.c and minigzip.c [Truta] 266205471Sdelphij- Shut up annoying VS2005 warnings about standard C deprecation [Rowe, 267205471Sdelphij Truta] (where?) 268205471Sdelphij- Fix target "clean" from win32/Makefile.bor [Truta] 269205471Sdelphij- Create .pdb and .manifest files in win32/makefile.msc [Ziegler, Rowe] 270205471Sdelphij- Update zlib www home address in win32/DLL_FAQ.txt [Truta] 271205471Sdelphij- Update contrib/masmx86/inffas32.asm for VS2005 [Vollant, Van Wassenhove] 272205471Sdelphij- Enable browse info in the "Debug" and "ASM Debug" configurations in 273205471Sdelphij the Visual C++ 6 project, and set (non-ASM) "Debug" as default [Truta] 274205471Sdelphij- Add pkgconfig support [Weigelt] 275205471Sdelphij- Add ZLIB_VER_MAJOR, ZLIB_VER_MINOR and ZLIB_VER_REVISION in zlib.h, 276205471Sdelphij for use in win32/zlib1.rc [Polushin, Rowe, Truta] 277205471Sdelphij- Add a document that explains the new text detection scheme to 278205471Sdelphij doc/txtvsbin.txt [Truta] 279205471Sdelphij- Add rfc1950.txt, rfc1951.txt and rfc1952.txt to doc/ [Truta] 280205471Sdelphij- Move algorithm.txt into doc/ [Truta] 281205471Sdelphij- Synchronize FAQ with website 282205471Sdelphij- Fix compressBound(), was low for some pathological cases [Fearnley] 283205471Sdelphij- Take into account wrapper variations in deflateBound() 284205471Sdelphij- Set examples/zpipe.c input and output to binary mode for Windows 285205471Sdelphij- Update examples/zlib_how.html with new zpipe.c (also web site) 286205471Sdelphij- Fix some warnings in examples/gzlog.c and examples/zran.c (it seems 287205471Sdelphij that gcc became pickier in 4.0) 288205471Sdelphij- Add zlib.map for Linux: "All symbols from zlib-1.1.4 remain 289205471Sdelphij un-versioned, the patch adds versioning only for symbols introduced in 290205471Sdelphij zlib-1.2.0 or later. It also declares as local those symbols which are 291205471Sdelphij not designed to be exported." [Levin] 292205471Sdelphij- Update Z_PREFIX list in zconf.in.h, add --zprefix option to configure 293205471Sdelphij- Do not initialize global static by default in trees.c, add a response 294205471Sdelphij NO_INIT_GLOBAL_POINTERS to initialize them if needed [Marquess] 295205471Sdelphij- Don't use strerror() in gzio.c under WinCE [Yakimov] 296205471Sdelphij- Don't use errno.h in zutil.h under WinCE [Yakimov] 297205471Sdelphij- Move arguments for AR to its usage to allow replacing ar [Marot] 298205471Sdelphij- Add HAVE_VISIBILITY_PRAGMA in zconf.in.h for Mozilla [Randers-Pehrson] 299205471Sdelphij- Improve inflateInit() and inflateInit2() documentation 300205471Sdelphij- Fix structure size comment in inflate.h 301205471Sdelphij- Change configure help option from --h* to --help [Santos] 302205471Sdelphij 303157043SdesChanges in 1.2.3 (18 July 2005) 304157043Sdes- Apply security vulnerability fixes to contrib/infback9 as well 305157043Sdes- Clean up some text files (carriage returns, trailing space) 306157043Sdes- Update testzlib, vstudio, masmx64, and masmx86 in contrib [Vollant] 307157043Sdes 308157043SdesChanges in 1.2.2.4 (11 July 2005) 309157043Sdes- Add inflatePrime() function for starting inflation at bit boundary 310157043Sdes- Avoid some Visual C warnings in deflate.c 311157043Sdes- Avoid more silly Visual C warnings in inflate.c and inftrees.c for 64-bit 312157043Sdes compile 313157043Sdes- Fix some spelling errors in comments [Betts] 314157043Sdes- Correct inflateInit2() error return documentation in zlib.h 315205471Sdelphij- Add zran.c example of compressed data random access to examples 316157043Sdes directory, shows use of inflatePrime() 317157043Sdes- Fix cast for assignments to strm->state in inflate.c and infback.c 318157043Sdes- Fix zlibCompileFlags() in zutil.c to use 1L for long shifts [Oberhumer] 319157043Sdes- Move declarations of gf2 functions to right place in crc32.c [Oberhumer] 320157043Sdes- Add cast in trees.c t avoid a warning [Oberhumer] 321157043Sdes- Avoid some warnings in fitblk.c, gun.c, gzjoin.c in examples [Oberhumer] 322157043Sdes- Update make_vms.com [Zinser] 323157043Sdes- Initialize state->write in inflateReset() since copied in inflate_fast() 324157043Sdes- Be more strict on incomplete code sets in inflate_table() and increase 325157043Sdes ENOUGH and MAXD -- this repairs a possible security vulnerability for 326157043Sdes invalid inflate input. Thanks to Tavis Ormandy and Markus Oberhumer for 327157043Sdes discovering the vulnerability and providing test cases. 328157043Sdes- Add ia64 support to configure for HP-UX [Smith] 329157043Sdes- Add error return to gzread() for format or i/o error [Levin] 330157043Sdes- Use malloc.h for OS/2 [Necasek] 331157043Sdes 332157043SdesChanges in 1.2.2.3 (27 May 2005) 333157043Sdes- Replace 1U constants in inflate.c and inftrees.c for 64-bit compile 334157043Sdes- Typecast fread() return values in gzio.c [Vollant] 335157043Sdes- Remove trailing space in minigzip.c outmode (VC++ can't deal with it) 336157043Sdes- Fix crc check bug in gzread() after gzungetc() [Heiner] 337157043Sdes- Add the deflateTune() function to adjust internal compression parameters 338157043Sdes- Add a fast gzip decompressor, gun.c, to examples (use of inflateBack) 339157043Sdes- Remove an incorrect assertion in examples/zpipe.c 340157043Sdes- Add C++ wrapper in infback9.h [Donais] 341157043Sdes- Fix bug in inflateCopy() when decoding fixed codes 342157043Sdes- Note in zlib.h how much deflateSetDictionary() actually uses 343157043Sdes- Remove USE_DICT_HEAD in deflate.c (would mess up inflate if used) 344157043Sdes- Add _WIN32_WCE to define WIN32 in zconf.in.h [Spencer] 345157043Sdes- Don't include stderr.h or errno.h for _WIN32_WCE in zutil.h [Spencer] 346157043Sdes- Add gzdirect() function to indicate transparent reads 347157043Sdes- Update contrib/minizip [Vollant] 348157043Sdes- Fix compilation of deflate.c when both ASMV and FASTEST [Oberhumer] 349157043Sdes- Add casts in crc32.c to avoid warnings [Oberhumer] 350157043Sdes- Add contrib/masmx64 [Vollant] 351157043Sdes- Update contrib/asm586, asm686, masmx86, testzlib, vstudio [Vollant] 352157043Sdes 353157043SdesChanges in 1.2.2.2 (30 December 2004) 354157043Sdes- Replace structure assignments in deflate.c and inflate.c with zmemcpy to 355157043Sdes avoid implicit memcpy calls (portability for no-library compilation) 356157043Sdes- Increase sprintf() buffer size in gzdopen() to allow for large numbers 357157043Sdes- Add INFLATE_STRICT to check distances against zlib header 358157043Sdes- Improve WinCE errno handling and comments [Chang] 359157043Sdes- Remove comment about no gzip header processing in FAQ 360157043Sdes- Add Z_FIXED strategy option to deflateInit2() to force fixed trees 361157043Sdes- Add updated make_vms.com [Coghlan], update README 362157043Sdes- Create a new "examples" directory, move gzappend.c there, add zpipe.c, 363157043Sdes fitblk.c, gzlog.[ch], gzjoin.c, and zlib_how.html. 364157043Sdes- Add FAQ entry and comments in deflate.c on uninitialized memory access 365157043Sdes- Add Solaris 9 make options in configure [Gilbert] 366157043Sdes- Allow strerror() usage in gzio.c for STDC 367157043Sdes- Fix DecompressBuf in contrib/delphi/ZLib.pas [ManChesTer] 368157043Sdes- Update contrib/masmx86/inffas32.asm and gvmat32.asm [Vollant] 369157043Sdes- Use z_off_t for adler32_combine() and crc32_combine() lengths 370157043Sdes- Make adler32() much faster for small len 371157043Sdes- Use OS_CODE in deflate() default gzip header 372157043Sdes 373157043SdesChanges in 1.2.2.1 (31 October 2004) 374157043Sdes- Allow inflateSetDictionary() call for raw inflate 375157043Sdes- Fix inflate header crc check bug for file names and comments 376157043Sdes- Add deflateSetHeader() and gz_header structure for custom gzip headers 377157043Sdes- Add inflateGetheader() to retrieve gzip headers 378157043Sdes- Add crc32_combine() and adler32_combine() functions 379157043Sdes- Add alloc_func, free_func, in_func, out_func to Z_PREFIX list 380157043Sdes- Use zstreamp consistently in zlib.h (inflate_back functions) 381157043Sdes- Remove GUNZIP condition from definition of inflate_mode in inflate.h 382157043Sdes and in contrib/inflate86/inffast.S [Truta, Anderson] 383157043Sdes- Add support for AMD64 in contrib/inflate86/inffas86.c [Anderson] 384157043Sdes- Update projects/README.projects and projects/visualc6 [Truta] 385157043Sdes- Update win32/DLL_FAQ.txt [Truta] 386157043Sdes- Avoid warning under NO_GZCOMPRESS in gzio.c; fix typo [Truta] 387157043Sdes- Deprecate Z_ASCII; use Z_TEXT instead [Truta] 388157043Sdes- Use a new algorithm for setting strm->data_type in trees.c [Truta] 389157043Sdes- Do not define an exit() prototype in zutil.c unless DEBUG defined 390157043Sdes- Remove prototype of exit() from zutil.c, example.c, minigzip.c [Truta] 391157043Sdes- Add comment in zlib.h for Z_NO_FLUSH parameter to deflate() 392157043Sdes- Fix Darwin build version identification [Peterson] 393157043Sdes 394145474SkientzleChanges in 1.2.2 (3 October 2004) 395145474Skientzle- Update zlib.h comments on gzip in-memory processing 396145474Skientzle- Set adler to 1 in inflateReset() to support Java test suite [Walles] 397145474Skientzle- Add contrib/dotzlib [Ravn] 398145474Skientzle- Update win32/DLL_FAQ.txt [Truta] 399145474Skientzle- Update contrib/minizip [Vollant] 400145474Skientzle- Move contrib/visual-basic.txt to old/ [Truta] 401145474Skientzle- Fix assembler builds in projects/visualc6/ [Truta] 402145474Skientzle 403145474SkientzleChanges in 1.2.1.2 (9 September 2004) 404145474Skientzle- Update INDEX file 405145474Skientzle- Fix trees.c to update strm->data_type (no one ever noticed!) 406145474Skientzle- Fix bug in error case in inflate.c, infback.c, and infback9.c [Brown] 407145474Skientzle- Add "volatile" to crc table flag declaration (for DYNAMIC_CRC_TABLE) 408145474Skientzle- Add limited multitasking protection to DYNAMIC_CRC_TABLE 409145474Skientzle- Add NO_vsnprintf for VMS in zutil.h [Mozilla] 410145474Skientzle- Don't declare strerror() under VMS [Mozilla] 411145474Skientzle- Add comment to DYNAMIC_CRC_TABLE to use get_crc_table() to initialize 412145474Skientzle- Update contrib/ada [Anisimkov] 413145474Skientzle- Update contrib/minizip [Vollant] 414145474Skientzle- Fix configure to not hardcode directories for Darwin [Peterson] 415145474Skientzle- Fix gzio.c to not return error on empty files [Brown] 416145474Skientzle- Fix indentation; update version in contrib/delphi/ZLib.pas and 417145474Skientzle contrib/pascal/zlibpas.pas [Truta] 418145474Skientzle- Update mkasm.bat in contrib/masmx86 [Truta] 419145474Skientzle- Update contrib/untgz [Truta] 420145474Skientzle- Add projects/README.projects [Truta] 421145474Skientzle- Add project for MS Visual C++ 6.0 in projects/visualc6 [Cadieux, Truta] 422145474Skientzle- Update win32/DLL_FAQ.txt [Truta] 423145474Skientzle- Update list of Z_PREFIX symbols in zconf.h [Randers-Pehrson, Truta] 424145474Skientzle- Remove an unnecessary assignment to curr in inftrees.c [Truta] 425145474Skientzle- Add OS/2 to exe builds in configure [Poltorak] 426145474Skientzle- Remove err dummy parameter in zlib.h [Kientzle] 427145474Skientzle 428145474SkientzleChanges in 1.2.1.1 (9 January 2004) 429145474Skientzle- Update email address in README 430145474Skientzle- Several FAQ updates 431145474Skientzle- Fix a big fat bug in inftrees.c that prevented decoding valid 432145474Skientzle dynamic blocks with only literals and no distance codes -- 433145474Skientzle Thanks to "Hot Emu" for the bug report and sample file 434145474Skientzle- Add a note to puff.c on no distance codes case. 435145474Skientzle 436131377StjrChanges in 1.2.1 (17 November 2003) 437131377Stjr- Remove a tab in contrib/gzappend/gzappend.c 438131377Stjr- Update some interfaces in contrib for new zlib functions 439131377Stjr- Update zlib version number in some contrib entries 440131377Stjr- Add Windows CE definition for ptrdiff_t in zutil.h [Mai, Truta] 441131377Stjr- Support shared libraries on Hurd and KFreeBSD [Brown] 442131377Stjr- Fix error in NO_DIVIDE option of adler32.c 443131377Stjr 444131377StjrChanges in 1.2.0.8 (4 November 2003) 445131377Stjr- Update version in contrib/delphi/ZLib.pas and contrib/pascal/zlibpas.pas 446131377Stjr- Add experimental NO_DIVIDE #define in adler32.c 447131377Stjr - Possibly faster on some processors (let me know if it is) 448131377Stjr- Correct Z_BLOCK to not return on first inflate call if no wrap 449131377Stjr- Fix strm->data_type on inflate() return to correctly indicate EOB 450131377Stjr- Add deflatePrime() function for appending in the middle of a byte 451131377Stjr- Add contrib/gzappend for an example of appending to a stream 452131377Stjr- Update win32/DLL_FAQ.txt [Truta] 453131377Stjr- Delete Turbo C comment in README [Truta] 454131377Stjr- Improve some indentation in zconf.h [Truta] 455131377Stjr- Fix infinite loop on bad input in configure script [Church] 456131377Stjr- Fix gzeof() for concatenated gzip files [Johnson] 457131377Stjr- Add example to contrib/visual-basic.txt [Michael B.] 458131377Stjr- Add -p to mkdir's in Makefile.in [vda] 459131377Stjr- Fix configure to properly detect presence or lack of printf functions 460131377Stjr- Add AS400 support [Monnerat] 461131377Stjr- Add a little Cygwin support [Wilson] 462131377Stjr 463131377StjrChanges in 1.2.0.7 (21 September 2003) 464131377Stjr- Correct some debug formats in contrib/infback9 465131377Stjr- Cast a type in a debug statement in trees.c 466131377Stjr- Change search and replace delimiter in configure from % to # [Beebe] 467131377Stjr- Update contrib/untgz to 0.2 with various fixes [Truta] 468131377Stjr- Add build support for Amiga [Nikl] 469131377Stjr- Remove some directories in old that have been updated to 1.2 470131377Stjr- Add dylib building for Mac OS X in configure and Makefile.in 471131377Stjr- Remove old distribution stuff from Makefile 472131377Stjr- Update README to point to DLL_FAQ.txt, and add comment on Mac OS X 473131377Stjr- Update links in README 474131377Stjr 475131377StjrChanges in 1.2.0.6 (13 September 2003) 476131377Stjr- Minor FAQ updates 477131377Stjr- Update contrib/minizip to 1.00 [Vollant] 478131377Stjr- Remove test of gz functions in example.c when GZ_COMPRESS defined [Truta] 479131377Stjr- Update POSTINC comment for 68060 [Nikl] 480131377Stjr- Add contrib/infback9 with deflate64 decoding (unsupported) 481131377Stjr- For MVS define NO_vsnprintf and undefine FAR [van Burik] 482131377Stjr- Add pragma for fdopen on MVS [van Burik] 483131377Stjr 484131377StjrChanges in 1.2.0.5 (8 September 2003) 485131377Stjr- Add OF to inflateBackEnd() declaration in zlib.h 486131377Stjr- Remember start when using gzdopen in the middle of a file 487131377Stjr- Use internal off_t counters in gz* functions to properly handle seeks 488131377Stjr- Perform more rigorous check for distance-too-far in inffast.c 489131377Stjr- Add Z_BLOCK flush option to return from inflate at block boundary 490131377Stjr- Set strm->data_type on return from inflate 491131377Stjr - Indicate bits unused, if at block boundary, and if in last block 492131377Stjr- Replace size_t with ptrdiff_t in crc32.c, and check for correct size 493131377Stjr- Add condition so old NO_DEFLATE define still works for compatibility 494131377Stjr- FAQ update regarding the Windows DLL [Truta] 495131377Stjr- INDEX update: add qnx entry, remove aix entry [Truta] 496131377Stjr- Install zlib.3 into mandir [Wilson] 497131377Stjr- Move contrib/zlib_dll_FAQ.txt to win32/DLL_FAQ.txt; update [Truta] 498131377Stjr- Adapt the zlib interface to the new DLL convention guidelines [Truta] 499131377Stjr- Introduce ZLIB_WINAPI macro to allow the export of functions using 500131377Stjr the WINAPI calling convention, for Visual Basic [Vollant, Truta] 501131377Stjr- Update msdos and win32 scripts and makefiles [Truta] 502131377Stjr- Export symbols by name, not by ordinal, in win32/zlib.def [Truta] 503131377Stjr- Add contrib/ada [Anisimkov] 504131377Stjr- Move asm files from contrib/vstudio/vc70_32 to contrib/asm386 [Truta] 505131377Stjr- Rename contrib/asm386 to contrib/masmx86 [Truta, Vollant] 506131377Stjr- Add contrib/masm686 [Truta] 507131377Stjr- Fix offsets in contrib/inflate86 and contrib/masmx86/inffas32.asm 508131377Stjr [Truta, Vollant] 509131377Stjr- Update contrib/delphi; rename to contrib/pascal; add example [Truta] 510131377Stjr- Remove contrib/delphi2; add a new contrib/delphi [Truta] 511131377Stjr- Avoid inclusion of the nonstandard <memory.h> in contrib/iostream, 512131377Stjr and fix some method prototypes [Truta] 513131377Stjr- Fix the ZCR_SEED2 constant to avoid warnings in contrib/minizip 514131377Stjr [Truta] 515131377Stjr- Avoid the use of backslash (\) in contrib/minizip [Vollant] 516131377Stjr- Fix file time handling in contrib/untgz; update makefiles [Truta] 517131377Stjr- Update contrib/vstudio/vc70_32 to comply with the new DLL guidelines 518131377Stjr [Vollant] 519131377Stjr- Remove contrib/vstudio/vc15_16 [Vollant] 520131377Stjr- Rename contrib/vstudio/vc70_32 to contrib/vstudio/vc7 [Truta] 521131377Stjr- Update README.contrib [Truta] 522131377Stjr- Invert the assignment order of match_head and s->prev[...] in 523131377Stjr INSERT_STRING [Truta] 524131377Stjr- Compare TOO_FAR with 32767 instead of 32768, to avoid 16-bit warnings 525131377Stjr [Truta] 526131377Stjr- Compare function pointers with 0, not with NULL or Z_NULL [Truta] 527131377Stjr- Fix prototype of syncsearch in inflate.c [Truta] 528131377Stjr- Introduce ASMINF macro to be enabled when using an ASM implementation 529131377Stjr of inflate_fast [Truta] 530131377Stjr- Change NO_DEFLATE to NO_GZCOMPRESS [Truta] 531131377Stjr- Modify test_gzio in example.c to take a single file name as a 532131377Stjr parameter [Truta] 533131377Stjr- Exit the example.c program if gzopen fails [Truta] 534131377Stjr- Add type casts around strlen in example.c [Truta] 535131377Stjr- Remove casting to sizeof in minigzip.c; give a proper type 536131377Stjr to the variable compared with SUFFIX_LEN [Truta] 537131377Stjr- Update definitions of STDC and STDC99 in zconf.h [Truta] 538131377Stjr- Synchronize zconf.h with the new Windows DLL interface [Truta] 539131377Stjr- Use SYS16BIT instead of __32BIT__ to distinguish between 540131377Stjr 16- and 32-bit platforms [Truta] 541131377Stjr- Use far memory allocators in small 16-bit memory models for 542131377Stjr Turbo C [Truta] 543131377Stjr- Add info about the use of ASMV, ASMINF and ZLIB_WINAPI in 544131377Stjr zlibCompileFlags [Truta] 545131377Stjr- Cygwin has vsnprintf [Wilson] 546131377Stjr- In Windows16, OS_CODE is 0, as in MSDOS [Truta] 547131377Stjr- In Cygwin, OS_CODE is 3 (Unix), not 11 (Windows32) [Wilson] 548131377Stjr 549131377StjrChanges in 1.2.0.4 (10 August 2003) 550131377Stjr- Minor FAQ updates 551131377Stjr- Be more strict when checking inflateInit2's windowBits parameter 552131377Stjr- Change NO_GUNZIP compile option to NO_GZIP to cover deflate as well 553131377Stjr- Add gzip wrapper option to deflateInit2 using windowBits 554131377Stjr- Add updated QNX rule in configure and qnx directory [Bonnefoy] 555131377Stjr- Make inflate distance-too-far checks more rigorous 556131377Stjr- Clean up FAR usage in inflate 557131377Stjr- Add casting to sizeof() in gzio.c and minigzip.c 558131377Stjr 559131377StjrChanges in 1.2.0.3 (19 July 2003) 560131377Stjr- Fix silly error in gzungetc() implementation [Vollant] 561131377Stjr- Update contrib/minizip and contrib/vstudio [Vollant] 562131377Stjr- Fix printf format in example.c 563131377Stjr- Correct cdecl support in zconf.in.h [Anisimkov] 564131377Stjr- Minor FAQ updates 565131377Stjr 566131377StjrChanges in 1.2.0.2 (13 July 2003) 567131377Stjr- Add ZLIB_VERNUM in zlib.h for numerical preprocessor comparisons 568131377Stjr- Attempt to avoid warnings in crc32.c for pointer-int conversion 569131377Stjr- Add AIX to configure, remove aix directory [Bakker] 570131377Stjr- Add some casts to minigzip.c 571131377Stjr- Improve checking after insecure sprintf() or vsprintf() calls 572131377Stjr- Remove #elif's from crc32.c 573131377Stjr- Change leave label to inf_leave in inflate.c and infback.c to avoid 574131377Stjr library conflicts 575131377Stjr- Remove inflate gzip decoding by default--only enable gzip decoding by 576131377Stjr special request for stricter backward compatibility 577131377Stjr- Add zlibCompileFlags() function to return compilation information 578131377Stjr- More typecasting in deflate.c to avoid warnings 579131377Stjr- Remove leading underscore from _Capital #defines [Truta] 580131377Stjr- Fix configure to link shared library when testing 581131377Stjr- Add some Windows CE target adjustments [Mai] 582131377Stjr- Remove #define ZLIB_DLL in zconf.h [Vollant] 583131377Stjr- Add zlib.3 [Rodgers] 584131377Stjr- Update RFC URL in deflate.c and algorithm.txt [Mai] 585131377Stjr- Add zlib_dll_FAQ.txt to contrib [Truta] 586131377Stjr- Add UL to some constants [Truta] 587131377Stjr- Update minizip and vstudio [Vollant] 588131377Stjr- Remove vestigial NEED_DUMMY_RETURN from zconf.in.h 589131377Stjr- Expand use of NO_DUMMY_DECL to avoid all dummy structures 590131377Stjr- Added iostream3 to contrib [Schwardt] 591131377Stjr- Replace rewind() with fseek() for WinCE [Truta] 592131377Stjr- Improve setting of zlib format compression level flags 593131377Stjr - Report 0 for huffman and rle strategies and for level == 0 or 1 594131377Stjr - Report 2 only for level == 6 595131377Stjr- Only deal with 64K limit when necessary at compile time [Truta] 596131377Stjr- Allow TOO_FAR check to be turned off at compile time [Truta] 597131377Stjr- Add gzclearerr() function [Souza] 598131377Stjr- Add gzungetc() function 599131377Stjr 600131377StjrChanges in 1.2.0.1 (17 March 2003) 601131377Stjr- Add Z_RLE strategy for run-length encoding [Truta] 602131377Stjr - When Z_RLE requested, restrict matches to distance one 603131377Stjr - Update zlib.h, minigzip.c, gzopen(), gzdopen() for Z_RLE 604131377Stjr- Correct FASTEST compilation to allow level == 0 605131377Stjr- Clean up what gets compiled for FASTEST 606131377Stjr- Incorporate changes to zconf.in.h [Vollant] 607131377Stjr - Refine detection of Turbo C need for dummy returns 608131377Stjr - Refine ZLIB_DLL compilation 609131377Stjr - Include additional header file on VMS for off_t typedef 610131377Stjr- Try to use _vsnprintf where it supplants vsprintf [Vollant] 611131377Stjr- Add some casts in inffast.c 612131377Stjr- Enchance comments in zlib.h on what happens if gzprintf() tries to 613131377Stjr write more than 4095 bytes before compression 614131377Stjr- Remove unused state from inflateBackEnd() 615131377Stjr- Remove exit(0) from minigzip.c, example.c 616131377Stjr- Get rid of all those darn tabs 617131377Stjr- Add "check" target to Makefile.in that does the same thing as "test" 618131377Stjr- Add "mostlyclean" and "maintainer-clean" targets to Makefile.in 619131377Stjr- Update contrib/inflate86 [Anderson] 620131377Stjr- Update contrib/testzlib, contrib/vstudio, contrib/minizip [Vollant] 621131377Stjr- Add msdos and win32 directories with makefiles [Truta] 622131377Stjr- More additions and improvements to the FAQ 623131377Stjr 624131377StjrChanges in 1.2.0 (9 March 2003) 625131377Stjr- New and improved inflate code 626131377Stjr - About 20% faster 627131377Stjr - Does not allocate 32K window unless and until needed 628131377Stjr - Automatically detects and decompresses gzip streams 629131377Stjr - Raw inflate no longer needs an extra dummy byte at end 630131377Stjr - Added inflateBack functions using a callback interface--even faster 631131377Stjr than inflate, useful for file utilities (gzip, zip) 632131377Stjr - Added inflateCopy() function to record state for random access on 633131377Stjr externally generated deflate streams (e.g. in gzip files) 634131377Stjr - More readable code (I hope) 635131377Stjr- New and improved crc32() 636131377Stjr - About 50% faster, thanks to suggestions from Rodney Brown 637131377Stjr- Add deflateBound() and compressBound() functions 638131377Stjr- Fix memory leak in deflateInit2() 639131377Stjr- Permit setting dictionary for raw deflate (for parallel deflate) 640131377Stjr- Fix const declaration for gzwrite() 641131377Stjr- Check for some malloc() failures in gzio.c 642131377Stjr- Fix bug in gzopen() on single-byte file 0x1f 643131377Stjr- Fix bug in gzread() on concatenated file with 0x1f at end of buffer 644131377Stjr and next buffer doesn't start with 0x8b 645131377Stjr- Fix uncompress() to return Z_DATA_ERROR on truncated input 646131377Stjr- Free memory at end of example.c 647131377Stjr- Remove MAX #define in trees.c (conflicted with some libraries) 648131377Stjr- Fix static const's in deflate.c, gzio.c, and zutil.[ch] 649131377Stjr- Declare malloc() and free() in gzio.c if STDC not defined 650131377Stjr- Use malloc() instead of calloc() in zutil.c if int big enough 651131377Stjr- Define STDC for AIX 652131377Stjr- Add aix/ with approach for compiling shared library on AIX 653131377Stjr- Add HP-UX support for shared libraries in configure 654131377Stjr- Add OpenUNIX support for shared libraries in configure 655131377Stjr- Use $cc instead of gcc to build shared library 656131377Stjr- Make prefix directory if needed when installing 657131377Stjr- Correct Macintosh avoidance of typedef Byte in zconf.h 658131377Stjr- Correct Turbo C memory allocation when under Linux 659131377Stjr- Use libz.a instead of -lz in Makefile (assure use of compiled library) 660131377Stjr- Update configure to check for snprintf or vsnprintf functions and their 661131377Stjr return value, warn during make if using an insecure function 662131377Stjr- Fix configure problem with compile-time knowledge of HAVE_UNISTD_H that 663131377Stjr is lost when library is used--resolution is to build new zconf.h 664131377Stjr- Documentation improvements (in zlib.h): 665131377Stjr - Document raw deflate and inflate 666131377Stjr - Update RFCs URL 667131377Stjr - Point out that zlib and gzip formats are different 668131377Stjr - Note that Z_BUF_ERROR is not fatal 669131377Stjr - Document string limit for gzprintf() and possible buffer overflow 670131377Stjr - Note requirement on avail_out when flushing 671131377Stjr - Note permitted values of flush parameter of inflate() 672131377Stjr- Add some FAQs (and even answers) to the FAQ 673131377Stjr- Add contrib/inflate86/ for x86 faster inflate 674131377Stjr- Add contrib/blast/ for PKWare Data Compression Library decompression 675131377Stjr- Add contrib/puff/ simple inflate for deflate format description 676131377Stjr 67792111SgreenChanges in 1.1.4 (11 March 2002) 67892111Sgreen- ZFREE was repeated on same allocation on some error conditions. 67992111Sgreen This creates a security problem described in 68092111Sgreen http://www.zlib.org/advisory-2002-03-11.txt 68192111Sgreen- Returned incorrect error (Z_MEM_ERROR) on some invalid data 68292111Sgreen- Avoid accesses before window for invalid distances with inflate window 68392111Sgreen less than 32K. 68492111Sgreen- force windowBits > 8 to avoid a bug in the encoder for a window size 68592111Sgreen of 256 bytes. (A complete fix will be available in 1.1.5). 686131377Stjr 68742468SpeterChanges in 1.1.3 (9 July 1998) 68842468Speter- fix "an inflate input buffer bug that shows up on rare but persistent 68942468Speter occasions" (Mark) 69042468Speter- fix gzread and gztell for concatenated .gz files (Didier Le Botlan) 69142468Speter- fix gzseek(..., SEEK_SET) in write mode 69242468Speter- fix crc check after a gzeek (Frank Faubert) 69342468Speter- fix miniunzip when the last entry in a zip file is itself a zip file 69442468Speter (J Lillge) 69542468Speter- add contrib/asm586 and contrib/asm686 (Brian Raiter) 69642468Speter See http://www.muppetlabs.com/~breadbox/software/assembly.html 69742468Speter- add support for Delphi 3 in contrib/delphi (Bob Dellaca) 69842468Speter- add support for C++Builder 3 and Delphi 3 in contrib/delphi2 (Davide Moretti) 69942468Speter- do not exit prematurely in untgz if 0 at start of block (Magnus Holmgren) 70042468Speter- use macro EXTERN instead of extern to support DLL for BeOS (Sander Stoks) 70142468Speter- added a FAQ file 70242468Speter 70342468Speter- Support gzdopen on Mac with Metrowerks (Jason Linhart) 70442468Speter- Do not redefine Byte on Mac (Brad Pettit & Jason Linhart) 70542468Speter- define SEEK_END too if SEEK_SET is not defined (Albert Chin-A-Young) 70642468Speter- avoid some warnings with Borland C (Tom Tanner) 70742468Speter- fix a problem in contrib/minizip/zip.c for 16-bit MSDOS (Gilles Vollant) 70842468Speter- emulate utime() for WIN32 in contrib/untgz (Gilles Vollant) 70942468Speter- allow several arguments to configure (Tim Mooney, Frodo Looijaard) 71042468Speter- use libdir and includedir in Makefile.in (Tim Mooney) 71142468Speter- support shared libraries on OSF1 V4 (Tim Mooney) 71242468Speter- remove so_locations in "make clean" (Tim Mooney) 71342468Speter- fix maketree.c compilation error (Glenn, Mark) 71442468Speter- Python interface to zlib now in Python 1.5 (Jeremy Hylton) 71542468Speter- new Makefile.riscos (Rich Walker) 71642468Speter- initialize static descriptors in trees.c for embedded targets (Nick Smith) 71742468Speter- use "foo-gz" in example.c for RISCOS and VMS (Nick Smith) 71842468Speter- add the OS/2 files in Makefile.in too (Andrew Zabolotny) 71942468Speter- fix fdopen and halloc macros for Microsoft C 6.0 (Tom Lane) 72042468Speter- fix maketree.c to allow clean compilation of inffixed.h (Mark) 72142468Speter- fix parameter check in deflateCopy (Gunther Nikl) 72242468Speter- cleanup trees.c, use compressed_len only in debug mode (Christian Spieler) 72342468Speter- Many portability patches by Christian Spieler: 72442468Speter . zutil.c, zutil.h: added "const" for zmem* 72542468Speter . Make_vms.com: fixed some typos 72642468Speter . Make_vms.com: msdos/Makefile.*: removed zutil.h from some dependency lists 72742468Speter . msdos/Makefile.msc: remove "default rtl link library" info from obj files 72842468Speter . msdos/Makefile.*: use model-dependent name for the built zlib library 72942468Speter . msdos/Makefile.emx, nt/Makefile.emx, nt/Makefile.gcc: 73042468Speter new makefiles, for emx (DOS/OS2), emx&rsxnt and mingw32 (Windows 9x / NT) 73142468Speter- use define instead of typedef for Bytef also for MSC small/medium (Tom Lane) 73242468Speter- replace __far with _far for better portability (Christian Spieler, Tom Lane) 73342468Speter- fix test for errno.h in configure (Tim Newsham) 73442468Speter 73542468SpeterChanges in 1.1.2 (19 March 98) 73642468Speter- added contrib/minzip, mini zip and unzip based on zlib (Gilles Vollant) 73742468Speter See http://www.winimage.com/zLibDll/unzip.html 73842468Speter- preinitialize the inflate tables for fixed codes, to make the code 73942468Speter completely thread safe (Mark) 74042468Speter- some simplifications and slight speed-up to the inflate code (Mark) 74142468Speter- fix gzeof on non-compressed files (Allan Schrum) 74242468Speter- add -std1 option in configure for OSF1 to fix gzprintf (Martin Mokrejs) 74342468Speter- use default value of 4K for Z_BUFSIZE for 16-bit MSDOS (Tim Wegner + Glenn) 74442468Speter- added os2/Makefile.def and os2/zlib.def (Andrew Zabolotny) 74542468Speter- add shared lib support for UNIX_SV4.2MP (MATSUURA Takanori) 74642468Speter- do not wrap extern "C" around system includes (Tom Lane) 74742468Speter- mention zlib binding for TCL in README (Andreas Kupries) 74842468Speter- added amiga/Makefile.pup for Amiga powerUP SAS/C PPC (Andreas Kleinert) 74942468Speter- allow "make install prefix=..." even after configure (Glenn Randers-Pehrson) 75042468Speter- allow "configure --prefix $HOME" (Tim Mooney) 75142468Speter- remove warnings in example.c and gzio.c (Glenn Randers-Pehrson) 75242468Speter- move Makefile.sas to amiga/Makefile.sas 75342468Speter 75433904SsteveChanges in 1.1.1 (27 Feb 98) 75533904Ssteve- fix macros _tr_tally_* in deflate.h for debug mode (Glenn Randers-Pehrson) 75633904Ssteve- remove block truncation heuristic which had very marginal effect for zlib 75733904Ssteve (smaller lit_bufsize than in gzip 1.2.4) and degraded a little the 75833904Ssteve compression ratio on some files. This also allows inlining _tr_tally for 75933904Ssteve matches in deflate_slow. 76033904Ssteve- added msdos/Makefile.w32 for WIN32 Microsoft Visual C++ (Bob Frazier) 76133904Ssteve 76233904SsteveChanges in 1.1.0 (24 Feb 98) 76333904Ssteve- do not return STREAM_END prematurely in inflate (John Bowler) 76433904Ssteve- revert to the zlib 1.0.8 inflate to avoid the gcc 2.8.0 bug (Jeremy Buhler) 76533904Ssteve- compile with -DFASTEST to get compression code optimized for speed only 76633904Ssteve- in minigzip, try mmap'ing the input file first (Miguel Albrecht) 76733904Ssteve- increase size of I/O buffers in minigzip.c and gzio.c (not a big gain 76833904Ssteve on Sun but significant on HP) 76933904Ssteve 77033904Ssteve- add a pointer to experimental unzip library in README (Gilles Vollant) 77133904Ssteve- initialize variable gcc in configure (Chris Herborth) 77233904Ssteve 77333904SsteveChanges in 1.0.9 (17 Feb 1998) 77433904Ssteve- added gzputs and gzgets functions 77533904Ssteve- do not clear eof flag in gzseek (Mark Diekhans) 77633904Ssteve- fix gzseek for files in transparent mode (Mark Diekhans) 77733904Ssteve- do not assume that vsprintf returns the number of bytes written (Jens Krinke) 77833904Ssteve- replace EXPORT with ZEXPORT to avoid conflict with other programs 77933904Ssteve- added compress2 in zconf.h, zlib.def, zlib.dnt 78033904Ssteve- new asm code from Gilles Vollant in contrib/asm386 78133904Ssteve- simplify the inflate code (Mark): 78233904Ssteve . Replace ZALLOC's in huft_build() with single ZALLOC in inflate_blocks_new() 78333904Ssteve . ZALLOC the length list in inflate_trees_fixed() instead of using stack 78433904Ssteve . ZALLOC the value area for huft_build() instead of using stack 78533904Ssteve . Simplify Z_FINISH check in inflate() 78633904Ssteve 78733904Ssteve- Avoid gcc 2.8.0 comparison bug a little differently than zlib 1.0.8 78833904Ssteve- in inftrees.c, avoid cc -O bug on HP (Farshid Elahi) 78933904Ssteve- in zconf.h move the ZLIB_DLL stuff earlier to avoid problems with 79033904Ssteve the declaration of FAR (Gilles VOllant) 79133904Ssteve- install libz.so* with mode 755 (executable) instead of 644 (Marc Lehmann) 79233904Ssteve- read_buf buf parameter of type Bytef* instead of charf* 79333904Ssteve- zmemcpy parameters are of type Bytef*, not charf* (Joseph Strout) 79433904Ssteve- do not redeclare unlink in minigzip.c for WIN32 (John Bowler) 79533904Ssteve- fix check for presence of directories in "make install" (Ian Willis) 79633904Ssteve 79733904SsteveChanges in 1.0.8 (27 Jan 1998) 79833904Ssteve- fixed offsets in contrib/asm386/gvmat32.asm (Gilles Vollant) 79933904Ssteve- fix gzgetc and gzputc for big endian systems (Markus Oberhumer) 80033904Ssteve- added compress2() to allow setting the compression level 80133904Ssteve- include sys/types.h to get off_t on some systems (Marc Lehmann & QingLong) 80233904Ssteve- use constant arrays for the static trees in trees.c instead of computing 80333904Ssteve them at run time (thanks to Ken Raeburn for this suggestion). To create 80433904Ssteve trees.h, compile with GEN_TREES_H and run "make test". 80533904Ssteve- check return code of example in "make test" and display result 80633904Ssteve- pass minigzip command line options to file_compress 80733904Ssteve- simplifying code of inflateSync to avoid gcc 2.8 bug 80833904Ssteve 80933904Ssteve- support CC="gcc -Wall" in configure -s (QingLong) 81033904Ssteve- avoid a flush caused by ftell in gzopen for write mode (Ken Raeburn) 81133904Ssteve- fix test for shared library support to avoid compiler warnings 81233904Ssteve- zlib.lib -> zlib.dll in msdos/zlib.rc (Gilles Vollant) 81333904Ssteve- check for TARGET_OS_MAC in addition to MACOS (Brad Pettit) 81433904Ssteve- do not use fdopen for Metrowerks on Mac (Brad Pettit)) 81533904Ssteve- add checks for gzputc and gzputc in example.c 81633904Ssteve- avoid warnings in gzio.c and deflate.c (Andreas Kleinert) 81733904Ssteve- use const for the CRC table (Ken Raeburn) 81833904Ssteve- fixed "make uninstall" for shared libraries 81933904Ssteve- use Tracev instead of Trace in infblock.c 82033904Ssteve- in example.c use correct compressed length for test_sync 82133904Ssteve- suppress +vnocompatwarnings in configure for HPUX (not always supported) 82233904Ssteve 82333904SsteveChanges in 1.0.7 (20 Jan 1998) 82433904Ssteve- fix gzseek which was broken in write mode 82533904Ssteve- return error for gzseek to negative absolute position 82633904Ssteve- fix configure for Linux (Chun-Chung Chen) 82733904Ssteve- increase stack space for MSC (Tim Wegner) 82833904Ssteve- get_crc_table and inflateSyncPoint are EXPORTed (Gilles Vollant) 82933904Ssteve- define EXPORTVA for gzprintf (Gilles Vollant) 83033904Ssteve- added man page zlib.3 (Rick Rodgers) 83133904Ssteve- for contrib/untgz, fix makedir() and improve Makefile 83233904Ssteve 83333904Ssteve- check gzseek in write mode in example.c 83433904Ssteve- allocate extra buffer for seeks only if gzseek is actually called 83533904Ssteve- avoid signed/unsigned comparisons (Tim Wegner, Gilles Vollant) 83633904Ssteve- add inflateSyncPoint in zconf.h 83733904Ssteve- fix list of exported functions in nt/zlib.dnt and mdsos/zlib.def 83833904Ssteve 83933904SsteveChanges in 1.0.6 (19 Jan 1998) 84033904Ssteve- add functions gzprintf, gzputc, gzgetc, gztell, gzeof, gzseek, gzrewind and 84133904Ssteve gzsetparams (thanks to Roland Giersig and Kevin Ruland for some of this code) 842157043Sdes- Fix a deflate bug occurring only with compression level 0 (thanks to 84333904Ssteve Andy Buckler for finding this one). 84433904Ssteve- In minigzip, pass transparently also the first byte for .Z files. 84533904Ssteve- return Z_BUF_ERROR instead of Z_OK if output buffer full in uncompress() 84633904Ssteve- check Z_FINISH in inflate (thanks to Marc Schluper) 84733904Ssteve- Implement deflateCopy (thanks to Adam Costello) 84833904Ssteve- make static libraries by default in configure, add --shared option. 84933904Ssteve- move MSDOS or Windows specific files to directory msdos 85033904Ssteve- suppress the notion of partial flush to simplify the interface 85133904Ssteve (but the symbol Z_PARTIAL_FLUSH is kept for compatibility with 1.0.4) 85233904Ssteve- suppress history buffer provided by application to simplify the interface 85333904Ssteve (this feature was not implemented anyway in 1.0.4) 85433904Ssteve- next_in and avail_in must be initialized before calling inflateInit or 85533904Ssteve inflateInit2 85633904Ssteve- add EXPORT in all exported functions (for Windows DLL) 85733904Ssteve- added Makefile.nt (thanks to Stephen Williams) 85833904Ssteve- added the unsupported "contrib" directory: 85933904Ssteve contrib/asm386/ by Gilles Vollant <info@winimage.com> 860131377Stjr 386 asm code replacing longest_match(). 86133904Ssteve contrib/iostream/ by Kevin Ruland <kevin@rodin.wustl.edu> 86233904Ssteve A C++ I/O streams interface to the zlib gz* functions 86333904Ssteve contrib/iostream2/ by Tyge L�vset <Tyge.Lovset@cmr.no> 864131377Stjr Another C++ I/O streams interface 86533904Ssteve contrib/untgz/ by "Pedro A. Aranda Guti\irrez" <paag@tid.es> 866131377Stjr A very simple tar.gz file extractor using zlib 86733904Ssteve contrib/visual-basic.txt by Carlos Rios <c_rios@sonda.cl> 86833904Ssteve How to use compress(), uncompress() and the gz* functions from VB. 86933904Ssteve- pass params -f (filtered data), -h (huffman only), -1 to -9 (compression 87033904Ssteve level) in minigzip (thanks to Tom Lane) 87133904Ssteve 87233904Ssteve- use const for rommable constants in deflate 87333904Ssteve- added test for gzseek and gztell in example.c 87433904Ssteve- add undocumented function inflateSyncPoint() (hack for Paul Mackerras) 87533904Ssteve- add undocumented function zError to convert error code to string 87633904Ssteve (for Tim Smithers) 87733904Ssteve- Allow compilation of gzio with -DNO_DEFLATE to avoid the compression code. 87833904Ssteve- Use default memcpy for Symantec MSDOS compiler. 87933904Ssteve- Add EXPORT keyword for check_func (needed for Windows DLL) 88033904Ssteve- add current directory to LD_LIBRARY_PATH for "make test" 88133904Ssteve- create also a link for libz.so.1 88233904Ssteve- added support for FUJITSU UXP/DS (thanks to Toshiaki Nomura) 88333904Ssteve- use $(SHAREDLIB) instead of libz.so in Makefile.in (for HPUX) 88433904Ssteve- added -soname for Linux in configure (Chun-Chung Chen, 88533904Ssteve- assign numbers to the exported functions in zlib.def (for Windows DLL) 88633904Ssteve- add advice in zlib.h for best usage of deflateSetDictionary 88733904Ssteve- work around compiler bug on Atari (cast Z_NULL in call of s->checkfn) 88833904Ssteve- allow compilation with ANSI keywords only enabled for TurboC in large model 88933904Ssteve- avoid "versionString"[0] (Borland bug) 89033904Ssteve- add NEED_DUMMY_RETURN for Borland 89142468Speter- use variable z_verbose for tracing in debug mode (L. Peter Deutsch). 89233904Ssteve- allow compilation with CC 893131377Stjr- defined STDC for OS/2 (David Charlap) 89433904Ssteve- limit external names to 8 chars for MVS (Thomas Lund) 89533904Ssteve- in minigzip.c, use static buffers only for 16-bit systems 89633904Ssteve- fix suffix check for "minigzip -d foo.gz" 89733904Ssteve- do not return an error for the 2nd of two consecutive gzflush() (Felix Lee) 89833904Ssteve- use _fdopen instead of fdopen for MSC >= 6.0 (Thomas Fanslau) 89933904Ssteve- added makelcc.bat for lcc-win32 (Tom St Denis) 90033904Ssteve- in Makefile.dj2, use copy and del instead of install and rm (Frank Donahoe) 90133904Ssteve- Avoid expanded $Id$. Use "rcs -kb" or "cvs admin -kb" to avoid Id expansion. 90233904Ssteve- check for unistd.h in configure (for off_t) 90333904Ssteve- remove useless check parameter in inflate_blocks_free 90433904Ssteve- avoid useless assignment of s->check to itself in inflate_blocks_new 90533904Ssteve- do not flush twice in gzclose (thanks to Ken Raeburn) 90633904Ssteve- rename FOPEN as F_OPEN to avoid clash with /usr/include/sys/file.h 90733904Ssteve- use NO_ERRNO_H instead of enumeration of operating systems with errno.h 90833904Ssteve- work around buggy fclose on pipes for HP/UX 90933904Ssteve- support zlib DLL with BORLAND C++ 5.0 (thanks to Glenn Randers-Pehrson) 91033904Ssteve- fix configure if CC is already equal to gcc 91133904Ssteve 91233904SsteveChanges in 1.0.5 (3 Jan 98) 91333904Ssteve- Fix inflate to terminate gracefully when fed corrupted or invalid data 91433904Ssteve- Use const for rommable constants in inflate 91533904Ssteve- Eliminate memory leaks on error conditions in inflate 91633904Ssteve- Removed some vestigial code in inflate 91733904Ssteve- Update web address in README 918131377Stjr 91917651SpeterChanges in 1.0.4 (24 Jul 96) 92017651Speter- In very rare conditions, deflate(s, Z_FINISH) could fail to produce an EOF 92117651Speter bit, so the decompressor could decompress all the correct data but went 92217651Speter on to attempt decompressing extra garbage data. This affected minigzip too. 92317651Speter- zlibVersion and gzerror return const char* (needed for DLL) 92417651Speter- port to RISCOS (no fdopen, no multiple dots, no unlink, no fileno) 92517651Speter- use z_error only for DEBUG (avoid problem with DLLs) 92617651Speter 92717651SpeterChanges in 1.0.3 (2 Jul 96) 92817651Speter- use z_streamp instead of z_stream *, which is now a far pointer in MSDOS 92917651Speter small and medium models; this makes the library incompatible with previous 93017651Speter versions for these models. (No effect in large model or on other systems.) 93117651Speter- return OK instead of BUF_ERROR if previous deflate call returned with 93217651Speter avail_out as zero but there is nothing to do 93317651Speter- added memcmp for non STDC compilers 93417651Speter- define NO_DUMMY_DECL for more Mac compilers (.h files merged incorrectly) 93517651Speter- define __32BIT__ if __386__ or i386 is defined (pb. with Watcom and SCO) 93617651Speter- better check for 16-bit mode MSC (avoids problem with Symantec) 93717651Speter 93817651SpeterChanges in 1.0.2 (23 May 96) 93917651Speter- added Windows DLL support 94017651Speter- added a function zlibVersion (for the DLL support) 94117651Speter- fixed declarations using Bytef in infutil.c (pb with MSDOS medium model) 94217651Speter- Bytef is define's instead of typedef'd only for Borland C 94317651Speter- avoid reading uninitialized memory in example.c 94417651Speter- mention in README that the zlib format is now RFC1950 94517651Speter- updated Makefile.dj2 94617651Speter- added algorithm.doc 94717651Speter 94817651SpeterChanges in 1.0.1 (20 May 96) [1.0 skipped to avoid confusion] 94917651Speter- fix array overlay in deflate.c which sometimes caused bad compressed data 95017651Speter- fix inflate bug with empty stored block 95117651Speter- fix MSDOS medium model which was broken in 0.99 95217651Speter- fix deflateParams() which could generated bad compressed data. 95317651Speter- Bytef is define'd instead of typedef'ed (work around Borland bug) 95417651Speter- added an INDEX file 95517651Speter- new makefiles for DJGPP (Makefile.dj2), 32-bit Borland (Makefile.b32), 95617651Speter Watcom (Makefile.wat), Amiga SAS/C (Makefile.sas) 95717651Speter- speed up adler32 for modern machines without auto-increment 95817651Speter- added -ansi for IRIX in configure 95917651Speter- static_init_done in trees.c is an int 96017651Speter- define unlink as delete for VMS 96117651Speter- fix configure for QNX 96217651Speter- add configure branch for SCO and HPUX 96317651Speter- avoid many warnings (unused variables, dead assignments, etc...) 96417651Speter- no fdopen for BeOS 96517651Speter- fix the Watcom fix for 32 bit mode (define FAR as empty) 96617651Speter- removed redefinition of Byte for MKWERKS 96717651Speter- work around an MWKERKS bug (incorrect merge of all .h files) 96817651Speter 96917651SpeterChanges in 0.99 (27 Jan 96) 97017651Speter- allow preset dictionary shared between compressor and decompressor 97117651Speter- allow compression level 0 (no compression) 97217651Speter- add deflateParams in zlib.h: allow dynamic change of compression level 97317651Speter and compression strategy. 97417651Speter- test large buffers and deflateParams in example.c 97517651Speter- add optional "configure" to build zlib as a shared library 97617651Speter- suppress Makefile.qnx, use configure instead 97717651Speter- fixed deflate for 64-bit systems (detected on Cray) 97817651Speter- fixed inflate_blocks for 64-bit systems (detected on Alpha) 97917651Speter- declare Z_DEFLATED in zlib.h (possible parameter for deflateInit2) 98017651Speter- always return Z_BUF_ERROR when deflate() has nothing to do 98117651Speter- deflateInit and inflateInit are now macros to allow version checking 98217651Speter- prefix all global functions and types with z_ with -DZ_PREFIX 98317651Speter- make falloc completely reentrant (inftrees.c) 98417651Speter- fixed very unlikely race condition in ct_static_init 98517651Speter- free in reverse order of allocation to help memory manager 98617651Speter- use zlib-1.0/* instead of zlib/* inside the tar.gz 98717651Speter- make zlib warning-free with "gcc -O3 -Wall -Wwrite-strings -Wpointer-arith 98817651Speter -Wconversion -Wstrict-prototypes -Wmissing-prototypes" 98917651Speter- allow gzread on concatenated .gz files 99017651Speter- deflateEnd now returns Z_DATA_ERROR if it was premature 99117651Speter- deflate is finally (?) fully deterministic (no matches beyond end of input) 99217651Speter- Document Z_SYNC_FLUSH 99317651Speter- add uninstall in Makefile 99417651Speter- Check for __cpluplus in zlib.h 99517651Speter- Better test in ct_align for partial flush 99617651Speter- avoid harmless warnings for Borland C++ 99717651Speter- initialize hash_head in deflate.c 99817651Speter- avoid warning on fdopen (gzio.c) for HP cc -Aa 99917651Speter- include stdlib.h for STDC compilers 100017651Speter- include errno.h for Cray 100117651Speter- ignore error if ranlib doesn't exist 100217651Speter- call ranlib twice for NeXTSTEP 100317651Speter- use exec_prefix instead of prefix for libz.a 100417651Speter- renamed ct_* as _tr_* to avoid conflict with applications 100517651Speter- clear z->msg in inflateInit2 before any error return 100617651Speter- initialize opaque in example.c, gzio.c, deflate.c and inflate.c 100717651Speter- fixed typo in zconf.h (_GNUC__ => __GNUC__) 100817651Speter- check for WIN32 in zconf.h and zutil.c (avoid farmalloc in 32-bit mode) 100917651Speter- fix typo in Make_vms.com (f$trnlnm -> f$getsyi) 101017651Speter- in fcalloc, normalize pointer if size > 65520 bytes 101117651Speter- don't use special fcalloc for 32 bit Borland C++ 101217651Speter- use STDC instead of __GO32__ to avoid redeclaring exit, calloc, etc... 101317651Speter- use Z_BINARY instead of BINARY 101417651Speter- document that gzclose after gzdopen will close the file 101517651Speter- allow "a" as mode in gzopen. 101617651Speter- fix error checking in gzread 101717651Speter- allow skipping .gz extra-field on pipes 101817651Speter- added reference to Perl interface in README 101917651Speter- put the crc table in FAR data (I dislike more and more the medium model :) 102017651Speter- added get_crc_table 102117651Speter- added a dimension to all arrays (Borland C can't count). 102217651Speter- workaround Borland C bug in declaration of inflate_codes_new & inflate_fast 102317651Speter- guard against multiple inclusion of *.h (for precompiled header on Mac) 102417651Speter- Watcom C pretends to be Microsoft C small model even in 32 bit mode. 102517651Speter- don't use unsized arrays to avoid silly warnings by Visual C++: 102617651Speter warning C4746: 'inflate_mask' : unsized array treated as '__far' 102717651Speter (what's wrong with far data in far model?). 102817651Speter- define enum out of inflate_blocks_state to allow compilation with C++ 102917651Speter 103017651SpeterChanges in 0.95 (16 Aug 95) 103117651Speter- fix MSDOS small and medium model (now easier to adapt to any compiler) 103217651Speter- inlined send_bits 103317651Speter- fix the final (:-) bug for deflate with flush (output was correct but 103417651Speter not completely flushed in rare occasions). 103517651Speter- default window size is same for compression and decompression 103617651Speter (it's now sufficient to set MAX_WBITS in zconf.h). 103717651Speter- voidp -> voidpf and voidnp -> voidp (for consistency with other 103817651Speter typedefs and because voidnp was not near in large model). 103917651Speter 104017651SpeterChanges in 0.94 (13 Aug 95) 104117651Speter- support MSDOS medium model 104217651Speter- fix deflate with flush (could sometimes generate bad output) 104317651Speter- fix deflateReset (zlib header was incorrectly suppressed) 104417651Speter- added support for VMS 104517651Speter- allow a compression level in gzopen() 104617651Speter- gzflush now calls fflush 104717651Speter- For deflate with flush, flush even if no more input is provided. 104817651Speter- rename libgz.a as libz.a 104917651Speter- avoid complex expression in infcodes.c triggering Turbo C bug 105017651Speter- work around a problem with gcc on Alpha (in INSERT_STRING) 105117651Speter- don't use inline functions (problem with some gcc versions) 105217651Speter- allow renaming of Byte, uInt, etc... with #define. 105317651Speter- avoid warning about (unused) pointer before start of array in deflate.c 105417651Speter- avoid various warnings in gzio.c, example.c, infblock.c, adler32.c, zutil.c 105517651Speter- avoid reserved word 'new' in trees.c 105617651Speter 105717651SpeterChanges in 0.93 (25 June 95) 105817651Speter- temporarily disable inline functions 105917651Speter- make deflate deterministic 106017651Speter- give enough lookahead for PARTIAL_FLUSH 106117651Speter- Set binary mode for stdin/stdout in minigzip.c for OS/2 106217651Speter- don't even use signed char in inflate (not portable enough) 106317651Speter- fix inflate memory leak for segmented architectures 106417651Speter 106517651SpeterChanges in 0.92 (3 May 95) 106617651Speter- don't assume that char is signed (problem on SGI) 106717651Speter- Clear bit buffer when starting a stored block 106817651Speter- no memcpy on Pyramid 106917651Speter- suppressed inftest.c 107017651Speter- optimized fill_window, put longest_match inline for gcc 107117651Speter- optimized inflate on stored blocks. 107217651Speter- untabify all sources to simplify patches 107317651Speter 107417651SpeterChanges in 0.91 (2 May 95) 107517651Speter- Default MEM_LEVEL is 8 (not 9 for Unix) as documented in zlib.h 107617651Speter- Document the memory requirements in zconf.h 107717651Speter- added "make install" 107817651Speter- fix sync search logic in inflateSync 107917651Speter- deflate(Z_FULL_FLUSH) now works even if output buffer too short 108017651Speter- after inflateSync, don't scare people with just "lo world" 108117651Speter- added support for DJGPP 108217651Speter 108317651SpeterChanges in 0.9 (1 May 95) 108417651Speter- don't assume that zalloc clears the allocated memory (the TurboC bug 108517651Speter was Mark's bug after all :) 108617651Speter- let again gzread copy uncompressed data unchanged (was working in 0.71) 108717651Speter- deflate(Z_FULL_FLUSH), inflateReset and inflateSync are now fully implemented 108817651Speter- added a test of inflateSync in example.c 108917651Speter- moved MAX_WBITS to zconf.h because users might want to change that. 109017651Speter- document explicitly that zalloc(64K) on MSDOS must return a normalized 109117651Speter pointer (zero offset) 109217651Speter- added Makefiles for Microsoft C, Turbo C, Borland C++ 109317651Speter- faster crc32() 109417651Speter 109517651SpeterChanges in 0.8 (29 April 95) 109617651Speter- added fast inflate (inffast.c) 109717651Speter- deflate(Z_FINISH) now returns Z_STREAM_END when done. Warning: this 109817651Speter is incompatible with previous versions of zlib which returned Z_OK. 109917651Speter- work around a TurboC compiler bug (bad code for b << 0, see infutil.h) 110017651Speter (actually that was not a compiler bug, see 0.81 above) 110117651Speter- gzread no longer reads one extra byte in certain cases 110217651Speter- In gzio destroy(), don't reference a freed structure 110317651Speter- avoid many warnings for MSDOS 110417651Speter- avoid the ERROR symbol which is used by MS Windows 110517651Speter 110617651SpeterChanges in 0.71 (14 April 95) 110717651Speter- Fixed more MSDOS compilation problems :( There is still a bug with 110817651Speter TurboC large model. 110917651Speter 111017651SpeterChanges in 0.7 (14 April 95) 111117651Speter- Added full inflate support. 111217651Speter- Simplified the crc32() interface. The pre- and post-conditioning 111317651Speter (one's complement) is now done inside crc32(). WARNING: this is 111417651Speter incompatible with previous versions; see zlib.h for the new usage. 111517651Speter 111617651SpeterChanges in 0.61 (12 April 95) 111717651Speter- workaround for a bug in TurboC. example and minigzip now work on MSDOS. 111817651Speter 111917651SpeterChanges in 0.6 (11 April 95) 112017651Speter- added minigzip.c 112117651Speter- added gzdopen to reopen a file descriptor as gzFile 112217651Speter- added transparent reading of non-gziped files in gzread. 112317651Speter- fixed bug in gzread (don't read crc as data) 112417651Speter- fixed bug in destroy (gzio.c) (don't return Z_STREAM_END for gzclose). 112517651Speter- don't allocate big arrays in the stack (for MSDOS) 112617651Speter- fix some MSDOS compilation problems 112717651Speter 112817651SpeterChanges in 0.5: 112917651Speter- do real compression in deflate.c. Z_PARTIAL_FLUSH is supported but 113017651Speter not yet Z_FULL_FLUSH. 113117651Speter- support decompression but only in a single step (forced Z_FINISH) 113217651Speter- added opaque object for zalloc and zfree. 113317651Speter- added deflateReset and inflateReset 113417651Speter- added a variable zlib_version for consistency checking. 113517651Speter- renamed the 'filter' parameter of deflateInit2 as 'strategy'. 113617651Speter Added Z_FILTERED and Z_HUFFMAN_ONLY constants. 113717651Speter 113817651SpeterChanges in 0.4: 113917651Speter- avoid "zip" everywhere, use zlib instead of ziplib. 114017651Speter- suppress Z_BLOCK_FLUSH, interpret Z_PARTIAL_FLUSH as block flush 114117651Speter if compression method == 8. 114217651Speter- added adler32 and crc32 114317651Speter- renamed deflateOptions as deflateInit2, call one or the other but not both 114417651Speter- added the method parameter for deflateInit2. 114517651Speter- added inflateInit2 114617651Speter- simplied considerably deflateInit and inflateInit by not supporting 114717651Speter user-provided history buffer. This is supported only in deflateInit2 114817651Speter and inflateInit2. 114917651Speter 115017651SpeterChanges in 0.3: 115117651Speter- prefix all macro names with Z_ 115217651Speter- use Z_FINISH instead of deflateEnd to finish compression. 115317651Speter- added Z_HUFFMAN_ONLY 115417651Speter- added gzerror() 1155