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reactos/lib/3rdparty/zlib/inffast.h

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Added zlib version 1.1.4 to the source tree (contains several bugfixes, some security related). Currently, makefile.reactos is called to make a static zlib.a, not by the master makefile, but by reactos/apps/cabman/makefile, since it's the only part of ReactOS that uses zlib, at the moment Should this be fixed? should zlib be a DLL? please comment! svn path=/trunk/; revision=2729
2002-03-17 21:05:05 +00:00
/* inffast.h -- header to use inffast.c
revert 47688 and 47689 svn path=/trunk/; revision=47691
2010-06-08 01:37:58 +00:00
* Copyright (C) 1995-2003, 2010 Mark Adler
update from zlib 1.1.4 to 1.2.3 ChangeLog file for zlib Changes in 1.2.3 (18 July 2005) - Apply security vulnerability fixes to contrib/infback9 as well - Clean up some text files (carriage returns, trailing space) - Update testzlib, vstudio, masmx64, and masmx86 in contrib [Vollant] Changes in 1.2.2.4 (11 July 2005) - Add inflatePrime() function for starting inflation at bit boundary - Avoid some Visual C warnings in deflate.c - Avoid more silly Visual C warnings in inflate.c and inftrees.c for 64-bit compile - Fix some spelling errors in comments [Betts] - Correct inflateInit2() error return documentation in zlib.h - Added zran.c example of compressed data random access to examples directory, shows use of inflatePrime() - Fix cast for assignments to strm->state in inflate.c and infback.c - Fix zlibCompileFlags() in zutil.c to use 1L for long shifts [Oberhumer] - Move declarations of gf2 functions to right place in crc32.c [Oberhumer] - Add cast in trees.c t avoid a warning [Oberhumer] - Avoid some warnings in fitblk.c, gun.c, gzjoin.c in examples [Oberhumer] - Update make_vms.com [Zinser] - Initialize state->write in inflateReset() since copied in inflate_fast() - Be more strict on incomplete code sets in inflate_table() and increase ENOUGH and MAXD -- this repairs a possible security vulnerability for invalid inflate input. Thanks to Tavis Ormandy and Markus Oberhumer for discovering the vulnerability and providing test cases. - Add ia64 support to configure for HP-UX [Smith] - Add error return to gzread() for format or i/o error [Levin] - Use malloc.h for OS/2 [Necasek] Changes in 1.2.2.3 (27 May 2005) - Replace 1U constants in inflate.c and inftrees.c for 64-bit compile - Typecast fread() return values in gzio.c [Vollant] - Remove trailing space in minigzip.c outmode (VC++ can't deal with it) - Fix crc check bug in gzread() after gzungetc() [Heiner] - Add the deflateTune() function to adjust internal compression parameters - Add a fast gzip decompressor, gun.c, to examples (use of inflateBack) - Remove an incorrect assertion in examples/zpipe.c - Add C++ wrapper in infback9.h [Donais] - Fix bug in inflateCopy() when decoding fixed codes - Note in zlib.h how much deflateSetDictionary() actually uses - Remove USE_DICT_HEAD in deflate.c (would mess up inflate if used) - Add _WIN32_WCE to define WIN32 in zconf.in.h [Spencer] - Don't include stderr.h or errno.h for _WIN32_WCE in zutil.h [Spencer] - Add gzdirect() function to indicate transparent reads - Update contrib/minizip [Vollant] - Fix compilation of deflate.c when both ASMV and FASTEST [Oberhumer] - Add casts in crc32.c to avoid warnings [Oberhumer] - Add contrib/masmx64 [Vollant] - Update contrib/asm586, asm686, masmx86, testzlib, vstudio [Vollant] Changes in 1.2.2.2 (30 December 2004) - Replace structure assignments in deflate.c and inflate.c with zmemcpy to avoid implicit memcpy calls (portability for no-library compilation) - Increase sprintf() buffer size in gzdopen() to allow for large numbers - Add INFLATE_STRICT to check distances against zlib header - Improve WinCE errno handling and comments [Chang] - Remove comment about no gzip header processing in FAQ - Add Z_FIXED strategy option to deflateInit2() to force fixed trees - Add updated make_vms.com [Coghlan], update README - Create a new "examples" directory, move gzappend.c there, add zpipe.c, fitblk.c, gzlog.[ch], gzjoin.c, and zlib_how.html. - Add FAQ entry and comments in deflate.c on uninitialized memory access - Add Solaris 9 make options in configure [Gilbert] - Allow strerror() usage in gzio.c for STDC - Fix DecompressBuf in contrib/delphi/ZLib.pas [ManChesTer] - Update contrib/masmx86/inffas32.asm and gvmat32.asm [Vollant] - Use z_off_t for adler32_combine() and crc32_combine() lengths - Make adler32() much faster for small len - Use OS_CODE in deflate() default gzip header Changes in 1.2.2.1 (31 October 2004) - Allow inflateSetDictionary() call for raw inflate - Fix inflate header crc check bug for file names and comments - Add deflateSetHeader() and gz_header structure for custom gzip headers - Add inflateGetheader() to retrieve gzip headers - Add crc32_combine() and adler32_combine() functions - Add alloc_func, free_func, in_func, out_func to Z_PREFIX list - Use zstreamp consistently in zlib.h (inflate_back functions) - Remove GUNZIP condition from definition of inflate_mode in inflate.h and in contrib/inflate86/inffast.S [Truta, Anderson] - Add support for AMD64 in contrib/inflate86/inffas86.c [Anderson] - Update projects/README.projects and projects/visualc6 [Truta] - Update win32/DLL_FAQ.txt [Truta] - Avoid warning under NO_GZCOMPRESS in gzio.c; fix typo [Truta] - Deprecate Z_ASCII; use Z_TEXT instead [Truta] - Use a new algorithm for setting strm->data_type in trees.c [Truta] - Do not define an exit() prototype in zutil.c unless DEBUG defined - Remove prototype of exit() from zutil.c, example.c, minigzip.c [Truta] - Add comment in zlib.h for Z_NO_FLUSH parameter to deflate() - Fix Darwin build version identification [Peterson] Changes in 1.2.2 (3 October 2004) - Update zlib.h comments on gzip in-memory processing - Set adler to 1 in inflateReset() to support Java test suite [Walles] - Add contrib/dotzlib [Ravn] - Update win32/DLL_FAQ.txt [Truta] - Update contrib/minizip [Vollant] - Move contrib/visual-basic.txt to old/ [Truta] - Fix assembler builds in projects/visualc6/ [Truta] Changes in 1.2.1.2 (9 September 2004) - Update INDEX file - Fix trees.c to update strm->data_type (no one ever noticed!) - Fix bug in error case in inflate.c, infback.c, and infback9.c [Brown] - Add "volatile" to crc table flag declaration (for DYNAMIC_CRC_TABLE) - Add limited multitasking protection to DYNAMIC_CRC_TABLE - Add NO_vsnprintf for VMS in zutil.h [Mozilla] - Don't declare strerror() under VMS [Mozilla] - Add comment to DYNAMIC_CRC_TABLE to use get_crc_table() to initialize - Update contrib/ada [Anisimkov] - Update contrib/minizip [Vollant] - Fix configure to not hardcode directories for Darwin [Peterson] - Fix gzio.c to not return error on empty files [Brown] - Fix indentation; update version in contrib/delphi/ZLib.pas and contrib/pascal/zlibpas.pas [Truta] - Update mkasm.bat in contrib/masmx86 [Truta] - Update contrib/untgz [Truta] - Add projects/README.projects [Truta] - Add project for MS Visual C++ 6.0 in projects/visualc6 [Cadieux, Truta] - Update win32/DLL_FAQ.txt [Truta] - Update list of Z_PREFIX symbols in zconf.h [Randers-Pehrson, Truta] - Remove an unnecessary assignment to curr in inftrees.c [Truta] - Add OS/2 to exe builds in configure [Poltorak] - Remove err dummy parameter in zlib.h [Kientzle] Changes in 1.2.1.1 (9 January 2004) - Update email address in README - Several FAQ updates - Fix a big fat bug in inftrees.c that prevented decoding valid dynamic blocks with only literals and no distance codes -- Thanks to "Hot Emu" for the bug report and sample file - Add a note to puff.c on no distance codes case. Changes in 1.2.1 (17 November 2003) - Remove a tab in contrib/gzappend/gzappend.c - Update some interfaces in contrib for new zlib functions - Update zlib version number in some contrib entries - Add Windows CE definition for ptrdiff_t in zutil.h [Mai, Truta] - Support shared libraries on Hurd and KFreeBSD [Brown] - Fix error in NO_DIVIDE option of adler32.c Changes in 1.2.0.8 (4 November 2003) - Update version in contrib/delphi/ZLib.pas and contrib/pascal/zlibpas.pas - Add experimental NO_DIVIDE #define in adler32.c - Possibly faster on some processors (let me know if it is) - Correct Z_BLOCK to not return on first inflate call if no wrap - Fix strm->data_type on inflate() return to correctly indicate EOB - Add deflatePrime() function for appending in the middle of a byte - Add contrib/gzappend for an example of appending to a stream - Update win32/DLL_FAQ.txt [Truta] - Delete Turbo C comment in README [Truta] - Improve some indentation in zconf.h [Truta] - Fix infinite loop on bad input in configure script [Church] - Fix gzeof() for concatenated gzip files [Johnson] - Add example to contrib/visual-basic.txt [Michael B.] - Add -p to mkdir's in Makefile.in [vda] - Fix configure to properly detect presence or lack of printf functions - Add AS400 support [Monnerat] - Add a little Cygwin support [Wilson] Changes in 1.2.0.7 (21 September 2003) - Correct some debug formats in contrib/infback9 - Cast a type in a debug statement in trees.c - Change search and replace delimiter in configure from % to # [Beebe] - Update contrib/untgz to 0.2 with various fixes [Truta] - Add build support for Amiga [Nikl] - Remove some directories in old that have been updated to 1.2 - Add dylib building for Mac OS X in configure and Makefile.in - Remove old distribution stuff from Makefile - Update README to point to DLL_FAQ.txt, and add comment on Mac OS X - Update links in README Changes in 1.2.0.6 (13 September 2003) - Minor FAQ updates - Update contrib/minizip to 1.00 [Vollant] - Remove test of gz functions in example.c when GZ_COMPRESS defined [Truta] - Update POSTINC comment for 68060 [Nikl] - Add contrib/infback9 with deflate64 decoding (unsupported) - For MVS define NO_vsnprintf and undefine FAR [van Burik] - Add pragma for fdopen on MVS [van Burik] Changes in 1.2.0.5 (8 September 2003) - Add OF to inflateBackEnd() declaration in zlib.h - Remember start when using gzdopen in the middle of a file - Use internal off_t counters in gz* functions to properly handle seeks - Perform more rigorous check for distance-too-far in inffast.c - Add Z_BLOCK flush option to return from inflate at block boundary - Set strm->data_type on return from inflate - Indicate bits unused, if at block boundary, and if in last block - Replace size_t with ptrdiff_t in crc32.c, and check for correct size - Add condition so old NO_DEFLATE define still works for compatibility - FAQ update regarding the Windows DLL [Truta] - INDEX update: add qnx entry, remove aix entry [Truta] - Install zlib.3 into mandir [Wilson] - Move contrib/zlib_dll_FAQ.txt to win32/DLL_FAQ.txt; update [Truta] - Adapt the zlib interface to the new DLL convention guidelines [Truta] - Introduce ZLIB_WINAPI macro to allow the export of functions using the WINAPI calling convention, for Visual Basic [Vollant, Truta] - Update msdos and win32 scripts and makefiles [Truta] - Export symbols by name, not by ordinal, in win32/zlib.def [Truta] - Add contrib/ada [Anisimkov] - Move asm files from contrib/vstudio/vc70_32 to contrib/asm386 [Truta] - Rename contrib/asm386 to contrib/masmx86 [Truta, Vollant] - Add contrib/masm686 [Truta] - Fix offsets in contrib/inflate86 and contrib/masmx86/inffas32.asm [Truta, Vollant] - Update contrib/delphi; rename to contrib/pascal; add example [Truta] - Remove contrib/delphi2; add a new contrib/delphi [Truta] - Avoid inclusion of the nonstandard <memory.h> in contrib/iostream, and fix some method prototypes [Truta] - Fix the ZCR_SEED2 constant to avoid warnings in contrib/minizip [Truta] - Avoid the use of backslash (\) in contrib/minizip [Vollant] - Fix file time handling in contrib/untgz; update makefiles [Truta] - Update contrib/vstudio/vc70_32 to comply with the new DLL guidelines [Vollant] - Remove contrib/vstudio/vc15_16 [Vollant] - Rename contrib/vstudio/vc70_32 to contrib/vstudio/vc7 [Truta] - Update README.contrib [Truta] - Invert the assignment order of match_head and s->prev[...] in INSERT_STRING [Truta] - Compare TOO_FAR with 32767 instead of 32768, to avoid 16-bit warnings [Truta] - Compare function pointers with 0, not with NULL or Z_NULL [Truta] - Fix prototype of syncsearch in inflate.c [Truta] - Introduce ASMINF macro to be enabled when using an ASM implementation of inflate_fast [Truta] - Change NO_DEFLATE to NO_GZCOMPRESS [Truta] - Modify test_gzio in example.c to take a single file name as a parameter [Truta] - Exit the example.c program if gzopen fails [Truta] - Add type casts around strlen in example.c [Truta] - Remove casting to sizeof in minigzip.c; give a proper type to the variable compared with SUFFIX_LEN [Truta] - Update definitions of STDC and STDC99 in zconf.h [Truta] - Synchronize zconf.h with the new Windows DLL interface [Truta] - Use SYS16BIT instead of __32BIT__ to distinguish between 16- and 32-bit platforms [Truta] - Use far memory allocators in small 16-bit memory models for Turbo C [Truta] - Add info about the use of ASMV, ASMINF and ZLIB_WINAPI in zlibCompileFlags [Truta] - Cygwin has vsnprintf [Wilson] - In Windows16, OS_CODE is 0, as in MSDOS [Truta] - In Cygwin, OS_CODE is 3 (Unix), not 11 (Windows32) [Wilson] Changes in 1.2.0.4 (10 August 2003) - Minor FAQ updates - Be more strict when checking inflateInit2's windowBits parameter - Change NO_GUNZIP compile option to NO_GZIP to cover deflate as well - Add gzip wrapper option to deflateInit2 using windowBits - Add updated QNX rule in configure and qnx directory [Bonnefoy] - Make inflate distance-too-far checks more rigorous - Clean up FAR usage in inflate - Add casting to sizeof() in gzio.c and minigzip.c Changes in 1.2.0.3 (19 July 2003) - Fix silly error in gzungetc() implementation [Vollant] - Update contrib/minizip and contrib/vstudio [Vollant] - Fix printf format in example.c - Correct cdecl support in zconf.in.h [Anisimkov] - Minor FAQ updates Changes in 1.2.0.2 (13 July 2003) - Add ZLIB_VERNUM in zlib.h for numerical preprocessor comparisons - Attempt to avoid warnings in crc32.c for pointer-int conversion - Add AIX to configure, remove aix directory [Bakker] - Add some casts to minigzip.c - Improve checking after insecure sprintf() or vsprintf() calls - Remove #elif's from crc32.c - Change leave label to inf_leave in inflate.c and infback.c to avoid library conflicts - Remove inflate gzip decoding by default--only enable gzip decoding by special request for stricter backward compatibility - Add zlibCompileFlags() function to return compilation information - More typecasting in deflate.c to avoid warnings - Remove leading underscore from _Capital #defines [Truta] - Fix configure to link shared library when testing - Add some Windows CE target adjustments [Mai] - Remove #define ZLIB_DLL in zconf.h [Vollant] - Add zlib.3 [Rodgers] - Update RFC URL in deflate.c and algorithm.txt [Mai] - Add zlib_dll_FAQ.txt to contrib [Truta] - Add UL to some constants [Truta] - Update minizip and vstudio [Vollant] - Remove vestigial NEED_DUMMY_RETURN from zconf.in.h - Expand use of NO_DUMMY_DECL to avoid all dummy structures - Added iostream3 to contrib [Schwardt] - Replace rewind() with fseek() for WinCE [Truta] - Improve setting of zlib format compression level flags - Report 0 for huffman and rle strategies and for level == 0 or 1 - Report 2 only for level == 6 - Only deal with 64K limit when necessary at compile time [Truta] - Allow TOO_FAR check to be turned off at compile time [Truta] - Add gzclearerr() function [Souza] - Add gzungetc() function Changes in 1.2.0.1 (17 March 2003) - Add Z_RLE strategy for run-length encoding [Truta] - When Z_RLE requested, restrict matches to distance one - Update zlib.h, minigzip.c, gzopen(), gzdopen() for Z_RLE - Correct FASTEST compilation to allow level == 0 - Clean up what gets compiled for FASTEST - Incorporate changes to zconf.in.h [Vollant] - Refine detection of Turbo C need for dummy returns - Refine ZLIB_DLL compilation - Include additional header file on VMS for off_t typedef - Try to use _vsnprintf where it supplants vsprintf [Vollant] - Add some casts in inffast.c - Enchance comments in zlib.h on what happens if gzprintf() tries to write more than 4095 bytes before compression - Remove unused state from inflateBackEnd() - Remove exit(0) from minigzip.c, example.c - Get rid of all those darn tabs - Add "check" target to Makefile.in that does the same thing as "test" - Add "mostlyclean" and "maintainer-clean" targets to Makefile.in - Update contrib/inflate86 [Anderson] - Update contrib/testzlib, contrib/vstudio, contrib/minizip [Vollant] - Add msdos and win32 directories with makefiles [Truta] - More additions and improvements to the FAQ Changes in 1.2.0 (9 March 2003) - New and improved inflate code - About 20% faster - Does not allocate 32K window unless and until needed - Automatically detects and decompresses gzip streams - Raw inflate no longer needs an extra dummy byte at end - Added inflateBack functions using a callback interface--even faster than inflate, useful for file utilities (gzip, zip) - Added inflateCopy() function to record state for random access on externally generated deflate streams (e.g. in gzip files) - More readable code (I hope) - New and improved crc32() - About 50% faster, thanks to suggestions from Rodney Brown - Add deflateBound() and compressBound() functions - Fix memory leak in deflateInit2() - Permit setting dictionary for raw deflate (for parallel deflate) - Fix const declaration for gzwrite() - Check for some malloc() failures in gzio.c - Fix bug in gzopen() on single-byte file 0x1f - Fix bug in gzread() on concatenated file with 0x1f at end of buffer and next buffer doesn't start with 0x8b - Fix uncompress() to return Z_DATA_ERROR on truncated input - Free memory at end of example.c - Remove MAX #define in trees.c (conflicted with some libraries) - Fix static const's in deflate.c, gzio.c, and zutil.[ch] - Declare malloc() and free() in gzio.c if STDC not defined - Use malloc() instead of calloc() in zutil.c if int big enough - Define STDC for AIX - Add aix/ with approach for compiling shared library on AIX - Add HP-UX support for shared libraries in configure - Add OpenUNIX support for shared libraries in configure - Use $cc instead of gcc to build shared library - Make prefix directory if needed when installing - Correct Macintosh avoidance of typedef Byte in zconf.h - Correct Turbo C memory allocation when under Linux - Use libz.a instead of -lz in Makefile (assure use of compiled library) - Update configure to check for snprintf or vsnprintf functions and their return value, warn during make if using an insecure function - Fix configure problem with compile-time knowledge of HAVE_UNISTD_H that is lost when library is used--resolution is to build new zconf.h - Documentation improvements (in zlib.h): - Document raw deflate and inflate - Update RFCs URL - Point out that zlib and gzip formats are different - Note that Z_BUF_ERROR is not fatal - Document string limit for gzprintf() and possible buffer overflow - Note requirement on avail_out when flushing - Note permitted values of flush parameter of inflate() - Add some FAQs (and even answers) to the FAQ - Add contrib/inflate86/ for x86 faster inflate - Add contrib/blast/ for PKWare Data Compression Library decompression - Add contrib/puff/ simple inflate for deflate format description svn path=/trunk/; revision=25342
2007-01-07 15:56:49 +00:00
* For conditions of distribution and use, see copyright notice in zlib.h
Added zlib version 1.1.4 to the source tree (contains several bugfixes, some security related). Currently, makefile.reactos is called to make a static zlib.a, not by the master makefile, but by reactos/apps/cabman/makefile, since it's the only part of ReactOS that uses zlib, at the moment Should this be fixed? should zlib be a DLL? please comment! svn path=/trunk/; revision=2729
2002-03-17 21:05:05 +00:00
*/
/* WARNING: this file should *not* be used by applications. It is
part of the implementation of the compression library and is
subject to change. Applications should only use zlib.h.
*/
Update libxml to 2.7.7 Resync zlib to 1.2.5. Patch by Samuel Serapion and some lil includes cleanup by me. svn path=/trunk/; revision=47933
2010-07-03 22:34:05 +00:00
void ZLIB_INTERNAL inflate_fast OF((z_streamp strm, unsigned start));
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