diff options
Diffstat (limited to 'zlib/ChangeLog')
| -rw-r--r-- | zlib/ChangeLog | 161 |
1 files changed, 112 insertions, 49 deletions
diff --git a/zlib/ChangeLog b/zlib/ChangeLog index 30199a65..f0b0e618 100644 --- a/zlib/ChangeLog +++ b/zlib/ChangeLog @@ -1,6 +1,69 @@ ChangeLog file for zlib +Changes in 1.2.12 (27 Mar 2022) +- Cygwin does not have _wopen(), so do not create gzopen_w() there +- Permit a deflateParams() parameter change as soon as possible +- Limit hash table inserts after switch from stored deflate +- Fix bug when window full in deflate_stored() +- Fix CLEAR_HASH macro to be usable as a single statement +- Avoid a conversion error in gzseek when off_t type too small +- Have Makefile return non-zero error code on test failure +- Avoid some conversion warnings in gzread.c and gzwrite.c +- Update use of errno for newer Windows CE versions +- Small speedup to inflate [psumbera] +- Return an error if the gzputs string length can't fit in an int +- Add address checking in clang to -w option of configure +- Don't compute check value for raw inflate if asked to validate +- Handle case where inflateSync used when header never processed +- Avoid the use of ptrdiff_t +- Avoid an undefined behavior of memcpy() in gzappend() +- Avoid undefined behaviors of memcpy() in gz*printf() +- Avoid an undefined behavior of memcpy() in _tr_stored_block() +- Make the names in functions declarations identical to definitions +- Remove old assembler code in which bugs have manifested +- Fix deflateEnd() to not report an error at start of raw deflate +- Add legal disclaimer to README +- Emphasize the need to continue decompressing gzip members +- Correct the initialization requirements for deflateInit2() +- Fix a bug that can crash deflate on some input when using Z_FIXED +- Assure that the number of bits for deflatePrime() is valid +- Use a structure to make globals in enough.c evident +- Use a macro for the printf format of big_t in enough.c +- Clean up code style in enough.c, update version +- Use inline function instead of macro for index in enough.c +- Clarify that prefix codes are counted in enough.c +- Show all the codes for the maximum tables size in enough.c +- Add gznorm.c example, which normalizes gzip files +- Fix the zran.c example to work on a multiple-member gzip file +- Add tables for crc32_combine(), to speed it up by a factor of 200 +- Add crc32_combine_gen() and crc32_combine_op() for fast combines +- Speed up software CRC-32 computation by a factor of 1.5 to 3 +- Use atomic test and set, if available, for dynamic CRC tables +- Don't bother computing check value after successful inflateSync() +- Correct comment in crc32.c +- Add use of the ARMv8 crc32 instructions when requested +- Use ARM crc32 instructions if the ARM architecture has them +- Explicitly note that the 32-bit check values are 32 bits +- Avoid adding empty gzip member after gzflush with Z_FINISH +- Fix memory leak on error in gzlog.c +- Fix error in comment on the polynomial representation of a byte +- Clarify gz* function interfaces, referring to parameter names +- Change macro name in inflate.c to avoid collision in VxWorks +- Correct typo in blast.c +- Improve portability of contrib/minizip +- Fix indentation in minizip's zip.c +- Replace black/white with allow/block. (theresa-m) +- minizip warning fix if MAXU32 already defined. (gvollant) +- Fix unztell64() in minizip to work past 4GB. (Daniël Hörchner) +- Clean up minizip to reduce warnings for testing +- Add fallthrough comments for gcc +- Eliminate use of ULL constants +- Separate out address sanitizing from warnings in configure +- Remove destructive aspects of make distclean +- Check for cc masquerading as gcc or clang in configure +- Fix crc32.c to compile local functions only if used + Changes in 1.2.11 (15 Jan 2017) - Fix deflate stored bug when pulling last block from window - Permit immediate deflateParams changes before any deflate input @@ -511,7 +574,7 @@ Changes in 1.2.3.5 (8 Jan 2010) - 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 . +- Moved nintendods directory from contrib to root - 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 @@ -685,7 +748,7 @@ Changes in 1.2.2.4 (11 July 2005) - 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. + 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] @@ -721,7 +784,7 @@ Changes in 1.2.2.2 (30 December 2004) - 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. + 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 @@ -792,7 +855,7 @@ Changes in 1.2.1.1 (9 January 2004) - 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. +- 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 @@ -1036,14 +1099,14 @@ Changes in 1.2.0 (9 March 2003) - Add contrib/puff/ simple inflate for deflate format description Changes in 1.1.4 (11 March 2002) -- ZFREE was repeated on same allocation on some error conditions. +- ZFREE was repeated on same allocation on some error conditions This creates a security problem described in http://www.zlib.org/advisory-2002-03-11.txt - Returned incorrect error (Z_MEM_ERROR) on some invalid data - Avoid accesses before window for invalid distances with inflate window - less than 32K. + less than 32K - force windowBits > 8 to avoid a bug in the encoder for a window size - of 256 bytes. (A complete fix will be available in 1.1.5). + of 256 bytes. (A complete fix will be available in 1.1.5) Changes in 1.1.3 (9 July 1998) - fix "an inflate input buffer bug that shows up on rare but persistent @@ -1117,7 +1180,7 @@ Changes in 1.1.1 (27 Feb 98) - remove block truncation heuristic which had very marginal effect for zlib (smaller lit_bufsize than in gzip 1.2.4) and degraded a little the compression ratio on some files. This also allows inlining _tr_tally for - matches in deflate_slow. + matches in deflate_slow - added msdos/Makefile.w32 for WIN32 Microsoft Visual C++ (Bob Frazier) Changes in 1.1.0 (24 Feb 98) @@ -1162,7 +1225,7 @@ Changes in 1.0.8 (27 Jan 1998) - include sys/types.h to get off_t on some systems (Marc Lehmann & QingLong) - use constant arrays for the static trees in trees.c instead of computing them at run time (thanks to Ken Raeburn for this suggestion). To create - trees.h, compile with GEN_TREES_H and run "make test". + trees.h, compile with GEN_TREES_H and run "make test" - check return code of example in "make test" and display result - pass minigzip command line options to file_compress - simplifying code of inflateSync to avoid gcc 2.8 bug @@ -1201,12 +1264,12 @@ Changes in 1.0.6 (19 Jan 1998) - add functions gzprintf, gzputc, gzgetc, gztell, gzeof, gzseek, gzrewind and gzsetparams (thanks to Roland Giersig and Kevin Ruland for some of this code) - Fix a deflate bug occurring only with compression level 0 (thanks to - Andy Buckler for finding this one). -- In minigzip, pass transparently also the first byte for .Z files. + Andy Buckler for finding this one) +- In minigzip, pass transparently also the first byte for .Z files - return Z_BUF_ERROR instead of Z_OK if output buffer full in uncompress() - check Z_FINISH in inflate (thanks to Marc Schluper) - Implement deflateCopy (thanks to Adam Costello) -- make static libraries by default in configure, add --shared option. +- make static libraries by default in configure, add --shared option - move MSDOS or Windows specific files to directory msdos - suppress the notion of partial flush to simplify the interface (but the symbol Z_PARTIAL_FLUSH is kept for compatibility with 1.0.4) @@ -1218,7 +1281,7 @@ Changes in 1.0.6 (19 Jan 1998) - added Makefile.nt (thanks to Stephen Williams) - added the unsupported "contrib" directory: contrib/asm386/ by Gilles Vollant <info@winimage.com> - 386 asm code replacing longest_match(). + 386 asm code replacing longest_match() contrib/iostream/ by Kevin Ruland <kevin@rodin.wustl.edu> A C++ I/O streams interface to the zlib gz* functions contrib/iostream2/ by Tyge Løvset <Tyge.Lovset@cmr.no> @@ -1226,7 +1289,7 @@ Changes in 1.0.6 (19 Jan 1998) contrib/untgz/ by "Pedro A. Aranda Guti\irrez" <paag@tid.es> A very simple tar.gz file extractor using zlib contrib/visual-basic.txt by Carlos Rios <c_rios@sonda.cl> - How to use compress(), uncompress() and the gz* functions from VB. + How to use compress(), uncompress() and the gz* functions from VB - pass params -f (filtered data), -h (huffman only), -1 to -9 (compression level) in minigzip (thanks to Tom Lane) @@ -1235,8 +1298,8 @@ Changes in 1.0.6 (19 Jan 1998) - add undocumented function inflateSyncPoint() (hack for Paul Mackerras) - add undocumented function zError to convert error code to string (for Tim Smithers) -- Allow compilation of gzio with -DNO_DEFLATE to avoid the compression code. -- Use default memcpy for Symantec MSDOS compiler. +- Allow compilation of gzio with -DNO_DEFLATE to avoid the compression code +- Use default memcpy for Symantec MSDOS compiler - Add EXPORT keyword for check_func (needed for Windows DLL) - add current directory to LD_LIBRARY_PATH for "make test" - create also a link for libz.so.1 @@ -1249,7 +1312,7 @@ Changes in 1.0.6 (19 Jan 1998) - allow compilation with ANSI keywords only enabled for TurboC in large model - avoid "versionString"[0] (Borland bug) - add NEED_DUMMY_RETURN for Borland -- use variable z_verbose for tracing in debug mode (L. Peter Deutsch). +- use variable z_verbose for tracing in debug mode (L. Peter Deutsch) - allow compilation with CC - defined STDC for OS/2 (David Charlap) - limit external names to 8 chars for MVS (Thomas Lund) @@ -1259,7 +1322,7 @@ Changes in 1.0.6 (19 Jan 1998) - use _fdopen instead of fdopen for MSC >= 6.0 (Thomas Fanslau) - added makelcc.bat for lcc-win32 (Tom St Denis) - in Makefile.dj2, use copy and del instead of install and rm (Frank Donahoe) -- Avoid expanded $Id$. Use "rcs -kb" or "cvs admin -kb" to avoid Id expansion. +- Avoid expanded $Id$. Use "rcs -kb" or "cvs admin -kb" to avoid Id expansion - check for unistd.h in configure (for off_t) - remove useless check parameter in inflate_blocks_free - avoid useless assignment of s->check to itself in inflate_blocks_new @@ -1280,7 +1343,7 @@ Changes in 1.0.5 (3 Jan 98) Changes in 1.0.4 (24 Jul 96) - In very rare conditions, deflate(s, Z_FINISH) could fail to produce an EOF bit, so the decompressor could decompress all the correct data but went - on to attempt decompressing extra garbage data. This affected minigzip too. + on to attempt decompressing extra garbage data. This affected minigzip too - zlibVersion and gzerror return const char* (needed for DLL) - port to RISCOS (no fdopen, no multiple dots, no unlink, no fileno) - use z_error only for DEBUG (avoid problem with DLLs) @@ -1310,7 +1373,7 @@ Changes in 1.0.1 (20 May 96) [1.0 skipped to avoid confusion] - fix array overlay in deflate.c which sometimes caused bad compressed data - fix inflate bug with empty stored block - fix MSDOS medium model which was broken in 0.99 -- fix deflateParams() which could generate bad compressed data. +- fix deflateParams() which could generate bad compressed data - Bytef is define'd instead of typedef'ed (work around Borland bug) - added an INDEX file - new makefiles for DJGPP (Makefile.dj2), 32-bit Borland (Makefile.b32), @@ -1331,7 +1394,7 @@ Changes in 0.99 (27 Jan 96) - allow preset dictionary shared between compressor and decompressor - allow compression level 0 (no compression) - add deflateParams in zlib.h: allow dynamic change of compression level - and compression strategy. + and compression strategy - test large buffers and deflateParams in example.c - add optional "configure" to build zlib as a shared library - suppress Makefile.qnx, use configure instead @@ -1373,30 +1436,30 @@ Changes in 0.99 (27 Jan 96) - use STDC instead of __GO32__ to avoid redeclaring exit, calloc, etc... - use Z_BINARY instead of BINARY - document that gzclose after gzdopen will close the file -- allow "a" as mode in gzopen. +- allow "a" as mode in gzopen - fix error checking in gzread - allow skipping .gz extra-field on pipes - added reference to Perl interface in README - put the crc table in FAR data (I dislike more and more the medium model :) - added get_crc_table -- added a dimension to all arrays (Borland C can't count). +- added a dimension to all arrays (Borland C can't count) - workaround Borland C bug in declaration of inflate_codes_new & inflate_fast - guard against multiple inclusion of *.h (for precompiled header on Mac) -- Watcom C pretends to be Microsoft C small model even in 32 bit mode. +- Watcom C pretends to be Microsoft C small model even in 32 bit mode - don't use unsized arrays to avoid silly warnings by Visual C++: warning C4746: 'inflate_mask' : unsized array treated as '__far' - (what's wrong with far data in far model?). + (what's wrong with far data in far model?) - define enum out of inflate_blocks_state to allow compilation with C++ Changes in 0.95 (16 Aug 95) - fix MSDOS small and medium model (now easier to adapt to any compiler) - inlined send_bits - fix the final (:-) bug for deflate with flush (output was correct but - not completely flushed in rare occasions). + not completely flushed in rare occasions) - default window size is same for compression and decompression - (it's now sufficient to set MAX_WBITS in zconf.h). + (it's now sufficient to set MAX_WBITS in zconf.h) - voidp -> voidpf and voidnp -> voidp (for consistency with other - typedefs and because voidnp was not near in large model). + typedefs and because voidnp was not near in large model) Changes in 0.94 (13 Aug 95) - support MSDOS medium model @@ -1405,12 +1468,12 @@ Changes in 0.94 (13 Aug 95) - added support for VMS - allow a compression level in gzopen() - gzflush now calls fflush -- For deflate with flush, flush even if no more input is provided. +- For deflate with flush, flush even if no more input is provided - rename libgz.a as libz.a - avoid complex expression in infcodes.c triggering Turbo C bug - work around a problem with gcc on Alpha (in INSERT_STRING) - don't use inline functions (problem with some gcc versions) -- allow renaming of Byte, uInt, etc... with #define. +- allow renaming of Byte, uInt, etc... with #define - avoid warning about (unused) pointer before start of array in deflate.c - avoid various warnings in gzio.c, example.c, infblock.c, adler32.c, zutil.c - avoid reserved word 'new' in trees.c @@ -1429,7 +1492,7 @@ Changes in 0.92 (3 May 95) - no memcpy on Pyramid - suppressed inftest.c - optimized fill_window, put longest_match inline for gcc -- optimized inflate on stored blocks. +- optimized inflate on stored blocks - untabify all sources to simplify patches Changes in 0.91 (2 May 95) @@ -1447,7 +1510,7 @@ Changes in 0.9 (1 May 95) - let again gzread copy uncompressed data unchanged (was working in 0.71) - deflate(Z_FULL_FLUSH), inflateReset and inflateSync are now fully implemented - added a test of inflateSync in example.c -- moved MAX_WBITS to zconf.h because users might want to change that. +- moved MAX_WBITS to zconf.h because users might want to change that - document explicitly that zalloc(64K) on MSDOS must return a normalized pointer (zero offset) - added Makefiles for Microsoft C, Turbo C, Borland C++ @@ -1456,7 +1519,7 @@ Changes in 0.9 (1 May 95) Changes in 0.8 (29 April 95) - added fast inflate (inffast.c) - deflate(Z_FINISH) now returns Z_STREAM_END when done. Warning: this - is incompatible with previous versions of zlib which returned Z_OK. + is incompatible with previous versions of zlib which returned Z_OK - work around a TurboC compiler bug (bad code for b << 0, see infutil.h) (actually that was not a compiler bug, see 0.81 above) - gzread no longer reads one extra byte in certain cases @@ -1466,50 +1529,50 @@ Changes in 0.8 (29 April 95) Changes in 0.71 (14 April 95) - Fixed more MSDOS compilation problems :( There is still a bug with - TurboC large model. + TurboC large model Changes in 0.7 (14 April 95) -- Added full inflate support. +- Added full inflate support - Simplified the crc32() interface. The pre- and post-conditioning (one's complement) is now done inside crc32(). WARNING: this is - incompatible with previous versions; see zlib.h for the new usage. + incompatible with previous versions; see zlib.h for the new usage Changes in 0.61 (12 April 95) -- workaround for a bug in TurboC. example and minigzip now work on MSDOS. +- workaround for a bug in TurboC. example and minigzip now work on MSDOS Changes in 0.6 (11 April 95) - added minigzip.c - added gzdopen to reopen a file descriptor as gzFile -- added transparent reading of non-gziped files in gzread. +- added transparent reading of non-gziped files in gzread - fixed bug in gzread (don't read crc as data) -- fixed bug in destroy (gzio.c) (don't return Z_STREAM_END for gzclose). +- fixed bug in destroy (gzio.c) (don't return Z_STREAM_END for gzclose) - don't allocate big arrays in the stack (for MSDOS) - fix some MSDOS compilation problems Changes in 0.5: - do real compression in deflate.c. Z_PARTIAL_FLUSH is supported but - not yet Z_FULL_FLUSH. + not yet Z_FULL_FLUSH - support decompression but only in a single step (forced Z_FINISH) -- added opaque object for zalloc and zfree. +- added opaque object for zalloc and zfree - added deflateReset and inflateReset -- added a variable zlib_version for consistency checking. -- renamed the 'filter' parameter of deflateInit2 as 'strategy'. - Added Z_FILTERED and Z_HUFFMAN_ONLY constants. +- added a variable zlib_version for consistency checking +- renamed the 'filter' parameter of deflateInit2 as 'strategy' + Added Z_FILTERED and Z_HUFFMAN_ONLY constants Changes in 0.4: -- avoid "zip" everywhere, use zlib instead of ziplib. +- avoid "zip" everywhere, use zlib instead of ziplib - suppress Z_BLOCK_FLUSH, interpret Z_PARTIAL_FLUSH as block flush - if compression method == 8. + if compression method == 8 - added adler32 and crc32 - renamed deflateOptions as deflateInit2, call one or the other but not both -- added the method parameter for deflateInit2. +- added the method parameter for deflateInit2 - added inflateInit2 - simplied considerably deflateInit and inflateInit by not supporting user-provided history buffer. This is supported only in deflateInit2 - and inflateInit2. + and inflateInit2 Changes in 0.3: - prefix all macro names with Z_ -- use Z_FINISH instead of deflateEnd to finish compression. +- use Z_FINISH instead of deflateEnd to finish compression - added Z_HUFFMAN_ONLY - added gzerror() |