| 1 | |
| 2 | ChangeLog file for zlib |
| 3 | |
| 4 | Changes in 1.1.4 (11 March 2002) |
| 5 | - ZFREE was repeated on same allocation on some error conditions. |
| 6 | This creates a security problem described in |
| 7 | http://www.zlib.org/advisory-2002-03-11.txt |
| 8 | - Returned incorrect error (Z_MEM_ERROR) on some invalid data |
| 9 | - Avoid accesses before window for invalid distances with inflate window |
| 10 | less than 32K. |
| 11 | - force windowBits > 8 to avoid a bug in the encoder for a window size |
| 12 | of 256 bytes. (A complete fix will be available in 1.1.5). |
| 13 | |
| 14 | Changes in 1.1.3 (9 July 1998) |
| 15 | - fix "an inflate input buffer bug that shows up on rare but persistent |
| 16 | occasions" (Mark) |
| 17 | - fix gzread and gztell for concatenated .gz files (Didier Le Botlan) |
| 18 | - fix gzseek(..., SEEK_SET) in write mode |
| 19 | - fix crc check after a gzeek (Frank Faubert) |
| 20 | - fix miniunzip when the last entry in a zip file is itself a zip file |
| 21 | (J Lillge) |
| 22 | - add contrib/asm586 and contrib/asm686 (Brian Raiter) |
| 23 | See http://www.muppetlabs.com/~breadbox/software/assembly.html |
| 24 | - add support for Delphi 3 in contrib/delphi (Bob Dellaca) |
| 25 | - add support for C++Builder 3 and Delphi 3 in contrib/delphi2 (Davide Moretti) |
| 26 | - do not exit prematurely in untgz if 0 at start of block (Magnus Holmgren) |
| 27 | - use macro EXTERN instead of extern to support DLL for BeOS (Sander Stoks) |
| 28 | - added a FAQ file |
| 29 | |
| 30 | - Support gzdopen on Mac with Metrowerks (Jason Linhart) |
| 31 | - Do not redefine Byte on Mac (Brad Pettit & Jason Linhart) |
| 32 | - define SEEK_END too if SEEK_SET is not defined (Albert Chin-A-Young) |
| 33 | - avoid some warnings with Borland C (Tom Tanner) |
| 34 | - fix a problem in contrib/minizip/zip.c for 16-bit MSDOS (Gilles Vollant) |
| 35 | - emulate utime() for WIN32 in contrib/untgz (Gilles Vollant) |
| 36 | - allow several arguments to configure (Tim Mooney, Frodo Looijaard) |
| 37 | - use libdir and includedir in Makefile.in (Tim Mooney) |
| 38 | - support shared libraries on OSF1 V4 (Tim Mooney) |
| 39 | - remove so_locations in "make clean" (Tim Mooney) |
| 40 | - fix maketree.c compilation error (Glenn, Mark) |
| 41 | - Python interface to zlib now in Python 1.5 (Jeremy Hylton) |
| 42 | - new Makefile.riscos (Rich Walker) |
| 43 | - initialize static descriptors in trees.c for embedded targets (Nick Smith) |
| 44 | - use "foo-gz" in example.c for RISCOS and VMS (Nick Smith) |
| 45 | - add the OS/2 files in Makefile.in too (Andrew Zabolotny) |
| 46 | - fix fdopen and halloc macros for Microsoft C 6.0 (Tom Lane) |
| 47 | - fix maketree.c to allow clean compilation of inffixed.h (Mark) |
| 48 | - fix parameter check in deflateCopy (Gunther Nikl) |
| 49 | - cleanup trees.c, use compressed_len only in debug mode (Christian Spieler) |
| 50 | - Many portability patches by Christian Spieler: |
| 51 | . zutil.c, zutil.h: added "const" for zmem* |
| 52 | . Make_vms.com: fixed some typos |
| 53 | . Make_vms.com: msdos/Makefile.*: removed zutil.h from some dependency lists |
| 54 | . msdos/Makefile.msc: remove "default rtl link library" info from obj files |
| 55 | . msdos/Makefile.*: use model-dependent name for the built zlib library |
| 56 | . msdos/Makefile.emx, nt/Makefile.emx, nt/Makefile.gcc: |
| 57 | new makefiles, for emx (DOS/OS2), emx&rsxnt and mingw32 (Windows 9x / NT) |
| 58 | - use define instead of typedef for Bytef also for MSC small/medium (Tom Lane) |
| 59 | - replace __far with _far for better portability (Christian Spieler, Tom Lane) |
| 60 | - fix test for errno.h in configure (Tim Newsham) |
| 61 | |
| 62 | Changes in 1.1.2 (19 March 98) |
| 63 | - added contrib/minzip, mini zip and unzip based on zlib (Gilles Vollant) |
| 64 | See http://www.winimage.com/zLibDll/unzip.html |
| 65 | - preinitialize the inflate tables for fixed codes, to make the code |
| 66 | completely thread safe (Mark) |
| 67 | - some simplifications and slight speed-up to the inflate code (Mark) |
| 68 | - fix gzeof on non-compressed files (Allan Schrum) |
| 69 | - add -std1 option in configure for OSF1 to fix gzprintf (Martin Mokrejs) |
| 70 | - use default value of 4K for Z_BUFSIZE for 16-bit MSDOS (Tim Wegner + Glenn) |
| 71 | - added os2/Makefile.def and os2/zlib.def (Andrew Zabolotny) |
| 72 | - add shared lib support for UNIX_SV4.2MP (MATSUURA Takanori) |
| 73 | - do not wrap extern "C" around system includes (Tom Lane) |
| 74 | - mention zlib binding for TCL in README (Andreas Kupries) |
| 75 | - added amiga/Makefile.pup for Amiga powerUP SAS/C PPC (Andreas Kleinert) |
| 76 | - allow "make install prefix=..." even after configure (Glenn Randers-Pehrson) |
| 77 | - allow "configure --prefix $HOME" (Tim Mooney) |
| 78 | - remove warnings in example.c and gzio.c (Glenn Randers-Pehrson) |
| 79 | - move Makefile.sas to amiga/Makefile.sas |
| 80 | |
| 81 | Changes in 1.1.1 (27 Feb 98) |
| 82 | - fix macros _tr_tally_* in deflate.h for debug mode (Glenn Randers-Pehrson) |
| 83 | - remove block truncation heuristic which had very marginal effect for zlib |
| 84 | (smaller lit_bufsize than in gzip 1.2.4) and degraded a little the |
| 85 | compression ratio on some files. This also allows inlining _tr_tally for |
| 86 | matches in deflate_slow. |
| 87 | - added msdos/Makefile.w32 for WIN32 Microsoft Visual C++ (Bob Frazier) |
| 88 | |
| 89 | Changes in 1.1.0 (24 Feb 98) |
| 90 | - do not return STREAM_END prematurely in inflate (John Bowler) |
| 91 | - revert to the zlib 1.0.8 inflate to avoid the gcc 2.8.0 bug (Jeremy Buhler) |
| 92 | - compile with -DFASTEST to get compression code optimized for speed only |
| 93 | - in minigzip, try mmap'ing the input file first (Miguel Albrecht) |
| 94 | - increase size of I/O buffers in minigzip.c and gzio.c (not a big gain |
| 95 | on Sun but significant on HP) |
| 96 | |
| 97 | - add a pointer to experimental unzip library in README (Gilles Vollant) |
| 98 | - initialize variable gcc in configure (Chris Herborth) |
| 99 | |
| 100 | Changes in 1.0.9 (17 Feb 1998) |
| 101 | - added gzputs and gzgets functions |
| 102 | - do not clear eof flag in gzseek (Mark Diekhans) |
| 103 | - fix gzseek for files in transparent mode (Mark Diekhans) |
| 104 | - do not assume that vsprintf returns the number of bytes written (Jens Krinke) |
| 105 | - replace EXPORT with ZEXPORT to avoid conflict with other programs |
| 106 | - added compress2 in zconf.h, zlib.def, zlib.dnt |
| 107 | - new asm code from Gilles Vollant in contrib/asm386 |
| 108 | - simplify the inflate code (Mark): |
| 109 | . Replace ZALLOC's in huft_build() with single ZALLOC in inflate_blocks_new() |
| 110 | . ZALLOC the length list in inflate_trees_fixed() instead of using stack |
| 111 | . ZALLOC the value area for huft_build() instead of using stack |
| 112 | . Simplify Z_FINISH check in inflate() |
| 113 | |
| 114 | - Avoid gcc 2.8.0 comparison bug a little differently than zlib 1.0.8 |
| 115 | - in inftrees.c, avoid cc -O bug on HP (Farshid Elahi) |
| 116 | - in zconf.h move the ZLIB_DLL stuff earlier to avoid problems with |
| 117 | the declaration of FAR (Gilles VOllant) |
| 118 | - install libz.so* with mode 755 (executable) instead of 644 (Marc Lehmann) |
| 119 | - read_buf buf parameter of type Bytef* instead of charf* |
| 120 | - zmemcpy parameters are of type Bytef*, not charf* (Joseph Strout) |
| 121 | - do not redeclare unlink in minigzip.c for WIN32 (John Bowler) |
| 122 | - fix check for presence of directories in "make install" (Ian Willis) |
| 123 | |
| 124 | Changes in 1.0.8 (27 Jan 1998) |
| 125 | - fixed offsets in contrib/asm386/gvmat32.asm (Gilles Vollant) |
| 126 | - fix gzgetc and gzputc for big endian systems (Markus Oberhumer) |
| 127 | - added compress2() to allow setting the compression level |
| 128 | - include sys/types.h to get off_t on some systems (Marc Lehmann & QingLong) |
| 129 | - use constant arrays for the static trees in trees.c instead of computing |
| 130 | them at run time (thanks to Ken Raeburn for this suggestion). To create |
| 131 | trees.h, compile with GEN_TREES_H and run "make test". |
| 132 | - check return code of example in "make test" and display result |
| 133 | - pass minigzip command line options to file_compress |
| 134 | - simplifying code of inflateSync to avoid gcc 2.8 bug |
| 135 | |
| 136 | - support CC="gcc -Wall" in configure -s (QingLong) |
| 137 | - avoid a flush caused by ftell in gzopen for write mode (Ken Raeburn) |
| 138 | - fix test for shared library support to avoid compiler warnings |
| 139 | - zlib.lib -> zlib.dll in msdos/zlib.rc (Gilles Vollant) |
| 140 | - check for TARGET_OS_MAC in addition to MACOS (Brad Pettit) |
| 141 | - do not use fdopen for Metrowerks on Mac (Brad Pettit)) |
| 142 | - add checks for gzputc and gzputc in example.c |
| 143 | - avoid warnings in gzio.c and deflate.c (Andreas Kleinert) |
| 144 | - use const for the CRC table (Ken Raeburn) |
| 145 | - fixed "make uninstall" for shared libraries |
| 146 | - use Tracev instead of Trace in infblock.c |
| 147 | - in example.c use correct compressed length for test_sync |
| 148 | - suppress +vnocompatwarnings in configure for HPUX (not always supported) |
| 149 | |
| 150 | Changes in 1.0.7 (20 Jan 1998) |
| 151 | - fix gzseek which was broken in write mode |
| 152 | - return error for gzseek to negative absolute position |
| 153 | - fix configure for Linux (Chun-Chung Chen) |
| 154 | - increase stack space for MSC (Tim Wegner) |
| 155 | - get_crc_table and inflateSyncPoint are EXPORTed (Gilles Vollant) |
| 156 | - define EXPORTVA for gzprintf (Gilles Vollant) |
| 157 | - added man page zlib.3 (Rick Rodgers) |
| 158 | - for contrib/untgz, fix makedir() and improve Makefile |
| 159 | |
| 160 | - check gzseek in write mode in example.c |
| 161 | - allocate extra buffer for seeks only if gzseek is actually called |
| 162 | - avoid signed/unsigned comparisons (Tim Wegner, Gilles Vollant) |
| 163 | - add inflateSyncPoint in zconf.h |
| 164 | - fix list of exported functions in nt/zlib.dnt and mdsos/zlib.def |
| 165 | |
| 166 | Changes in 1.0.6 (19 Jan 1998) |
| 167 | - add functions gzprintf, gzputc, gzgetc, gztell, gzeof, gzseek, gzrewind and |
| 168 | gzsetparams (thanks to Roland Giersig and Kevin Ruland for some of this code) |
| 169 | - Fix a deflate bug occuring only with compression level 0 (thanks to |
| 170 | Andy Buckler for finding this one). |
| 171 | - In minigzip, pass transparently also the first byte for .Z files. |
| 172 | - return Z_BUF_ERROR instead of Z_OK if output buffer full in uncompress() |
| 173 | - check Z_FINISH in inflate (thanks to Marc Schluper) |
| 174 | - Implement deflateCopy (thanks to Adam Costello) |
| 175 | - make static libraries by default in configure, add --shared option. |
| 176 | - move MSDOS or Windows specific files to directory msdos |
| 177 | - suppress the notion of partial flush to simplify the interface |
| 178 | (but the symbol Z_PARTIAL_FLUSH is kept for compatibility with 1.0.4) |
| 179 | - suppress history buffer provided by application to simplify the interface |
| 180 | (this feature was not implemented anyway in 1.0.4) |
| 181 | - next_in and avail_in must be initialized before calling inflateInit or |
| 182 | inflateInit2 |
| 183 | - add EXPORT in all exported functions (for Windows DLL) |
| 184 | - added Makefile.nt (thanks to Stephen Williams) |
| 185 | - added the unsupported "contrib" directory: |
| 186 | contrib/asm386/ by Gilles Vollant <info@winimage.com> |
| 187 | 386 asm code replacing longest_match(). |
| 188 | contrib/iostream/ by Kevin Ruland <kevin@rodin.wustl.edu> |
| 189 | A C++ I/O streams interface to the zlib gz* functions |
| 190 |