Vendor import of zlib 1.2.8.
This commit is contained in:
parent
11598cceda
commit
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/vendor/libz/dist/; revision=250224 svn path=/vendor/libz/1.2.8/; revision=250225; tag=vendor/zlib/1.2.8
63
ChangeLog
63
ChangeLog
@ -1,6 +1,69 @@
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ChangeLog file for zlib
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Changes in 1.2.8 (28 Apr 2013)
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- Update contrib/minizip/iowin32.c for Windows RT [Vollant]
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- Do not force Z_CONST for C++
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- Clean up contrib/vstudio [Ro§]
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- Correct spelling error in zlib.h
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- Fix mixed line endings in contrib/vstudio
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Changes in 1.2.7.3 (13 Apr 2013)
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- Fix version numbers and DLL names in contrib/vstudio/*/zlib.rc
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Changes in 1.2.7.2 (13 Apr 2013)
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- Change check for a four-byte type back to hexadecimal
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- Fix typo in win32/Makefile.msc
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- Add casts in gzwrite.c for pointer differences
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Changes in 1.2.7.1 (24 Mar 2013)
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- Replace use of unsafe string functions with snprintf if available
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- Avoid including stddef.h on Windows for Z_SOLO compile [Niessink]
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- Fix gzgetc undefine when Z_PREFIX set [Turk]
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- Eliminate use of mktemp in Makefile (not always available)
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- Fix bug in 'F' mode for gzopen()
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- Add inflateGetDictionary() function
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- Correct comment in deflate.h
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- Use _snprintf for snprintf in Microsoft C
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- On Darwin, only use /usr/bin/libtool if libtool is not Apple
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- Delete "--version" file if created by "ar --version" [Richard G.]
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- Fix configure check for veracity of compiler error return codes
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- Fix CMake compilation of static lib for MSVC2010 x64
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- Remove unused variable in infback9.c
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- Fix argument checks in gzlog_compress() and gzlog_write()
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- Clean up the usage of z_const and respect const usage within zlib
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- Clean up examples/gzlog.[ch] comparisons of different types
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- Avoid shift equal to bits in type (caused endless loop)
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- Fix unintialized value bug in gzputc() introduced by const patches
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- Fix memory allocation error in examples/zran.c [Nor]
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- Fix bug where gzopen(), gzclose() would write an empty file
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- Fix bug in gzclose() when gzwrite() runs out of memory
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- Check for input buffer malloc failure in examples/gzappend.c
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- Add note to contrib/blast to use binary mode in stdio
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- Fix comparisons of differently signed integers in contrib/blast
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- Check for invalid code length codes in contrib/puff
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- Fix serious but very rare decompression bug in inftrees.c
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- Update inflateBack() comments, since inflate() can be faster
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- Use underscored I/O function names for WINAPI_FAMILY
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- Add _tr_flush_bits to the external symbols prefixed by --zprefix
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- Add contrib/vstudio/vc10 pre-build step for static only
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- Quote --version-script argument in CMakeLists.txt
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- Don't specify --version-script on Apple platforms in CMakeLists.txt
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- Fix casting error in contrib/testzlib/testzlib.c
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- Fix types in contrib/minizip to match result of get_crc_table()
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- Simplify contrib/vstudio/vc10 with 'd' suffix
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- Add TOP support to win32/Makefile.msc
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- Suport i686 and amd64 assembler builds in CMakeLists.txt
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- Fix typos in the use of _LARGEFILE64_SOURCE in zconf.h
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- Add vc11 and vc12 build files to contrib/vstudio
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- Add gzvprintf() as an undocumented function in zlib
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- Fix configure for Sun shell
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- Remove runtime check in configure for four-byte integer type
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- Add casts and consts to ease user conversion to C++
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- Add man pages for minizip and miniunzip
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- In Makefile uninstall, don't rm if preceding cd fails
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- Do not return Z_BUF_ERROR if deflateParam() has nothing to write
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Changes in 1.2.7 (2 May 2012)
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- Replace use of memmove() with a simple copy for portability
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- Test for existence of strerror
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6
README
6
README
@ -1,6 +1,6 @@
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ZLIB DATA COMPRESSION LIBRARY
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zlib 1.2.7 is a general purpose data compression library. All the code is
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zlib 1.2.8 is a general purpose data compression library. All the code is
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thread safe. The data format used by the zlib library is described by RFCs
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(Request for Comments) 1950 to 1952 in the files
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http://tools.ietf.org/html/rfc1950 (zlib format), rfc1951 (deflate format) and
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@ -31,7 +31,7 @@ Mark Nelson <markn@ieee.org> wrote an article about zlib for the Jan. 1997
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issue of Dr. Dobb's Journal; a copy of the article is available at
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http://marknelson.us/1997/01/01/zlib-engine/ .
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The changes made in version 1.2.7 are documented in the file ChangeLog.
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The changes made in version 1.2.8 are documented in the file ChangeLog.
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Unsupported third party contributions are provided in directory contrib/ .
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@ -84,7 +84,7 @@ Acknowledgments:
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Copyright notice:
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(C) 1995-2012 Jean-loup Gailly and Mark Adler
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(C) 1995-2013 Jean-loup Gailly and Mark Adler
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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@ -29,7 +29,7 @@ int ZEXPORT compress2 (dest, destLen, source, sourceLen, level)
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z_stream stream;
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int err;
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stream.next_in = (Bytef*)source;
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stream.next_in = (z_const Bytef *)source;
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stream.avail_in = (uInt)sourceLen;
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#ifdef MAXSEG_64K
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/* Check for source > 64K on 16-bit machine: */
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@ -75,3 +75,4 @@ untgz/ by Pedro A. Aranda Gutierrez <paag@tid.es>
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vstudio/ by Gilles Vollant <info@winimage.com>
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Building a minizip-enhanced zlib with Microsoft Visual Studio
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Includes vc11 from kreuzerkrieg and vc12 from davispuh
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12
deflate.c
12
deflate.c
@ -1,5 +1,5 @@
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/* deflate.c -- compress data using the deflation algorithm
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* Copyright (C) 1995-2012 Jean-loup Gailly and Mark Adler
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* Copyright (C) 1995-2013 Jean-loup Gailly and Mark Adler
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* For conditions of distribution and use, see copyright notice in zlib.h
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*/
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@ -52,7 +52,7 @@
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#include "deflate.h"
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const char deflate_copyright[] =
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" deflate 1.2.7 Copyright 1995-2012 Jean-loup Gailly and Mark Adler ";
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" deflate 1.2.8 Copyright 1995-2013 Jean-loup Gailly and Mark Adler ";
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/*
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If you use the zlib library in a product, an acknowledgment is welcome
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in the documentation of your product. If for some reason you cannot
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@ -305,7 +305,7 @@ int ZEXPORT deflateInit2_(strm, level, method, windowBits, memLevel, strategy,
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if (s->window == Z_NULL || s->prev == Z_NULL || s->head == Z_NULL ||
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s->pending_buf == Z_NULL) {
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s->status = FINISH_STATE;
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strm->msg = (char*)ERR_MSG(Z_MEM_ERROR);
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strm->msg = ERR_MSG(Z_MEM_ERROR);
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deflateEnd (strm);
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return Z_MEM_ERROR;
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}
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@ -329,7 +329,7 @@ int ZEXPORT deflateSetDictionary (strm, dictionary, dictLength)
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uInt str, n;
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int wrap;
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unsigned avail;
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unsigned char *next;
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z_const unsigned char *next;
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if (strm == Z_NULL || strm->state == Z_NULL || dictionary == Z_NULL)
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return Z_STREAM_ERROR;
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@ -359,7 +359,7 @@ int ZEXPORT deflateSetDictionary (strm, dictionary, dictLength)
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avail = strm->avail_in;
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next = strm->next_in;
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strm->avail_in = dictLength;
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strm->next_in = (Bytef *)dictionary;
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strm->next_in = (z_const Bytef *)dictionary;
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fill_window(s);
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while (s->lookahead >= MIN_MATCH) {
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str = s->strstart;
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@ -513,6 +513,8 @@ int ZEXPORT deflateParams(strm, level, strategy)
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strm->total_in != 0) {
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/* Flush the last buffer: */
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err = deflate(strm, Z_BLOCK);
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if (err == Z_BUF_ERROR && s->pending == 0)
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err = Z_OK;
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}
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if (s->level != level) {
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s->level = level;
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@ -104,7 +104,7 @@ typedef struct internal_state {
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int wrap; /* bit 0 true for zlib, bit 1 true for gzip */
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gz_headerp gzhead; /* gzip header information to write */
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uInt gzindex; /* where in extra, name, or comment */
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Byte method; /* STORED (for zip only) or DEFLATED */
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Byte method; /* can only be DEFLATED */
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int last_flush; /* value of flush param for previous deflate call */
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/* used by deflate.c: */
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22
gzguts.h
22
gzguts.h
@ -1,5 +1,5 @@
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/* gzguts.h -- zlib internal header definitions for gz* operations
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* Copyright (C) 2004, 2005, 2010, 2011, 2012 Mark Adler
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* Copyright (C) 2004, 2005, 2010, 2011, 2012, 2013 Mark Adler
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* For conditions of distribution and use, see copyright notice in zlib.h
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*/
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@ -35,6 +35,13 @@
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# include <io.h>
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#endif
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#ifdef WINAPI_FAMILY
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# define open _open
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# define read _read
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# define write _write
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# define close _close
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#endif
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#ifdef NO_DEFLATE /* for compatibility with old definition */
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# define NO_GZCOMPRESS
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#endif
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@ -60,7 +67,7 @@
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#ifndef HAVE_VSNPRINTF
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# ifdef MSDOS
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/* vsnprintf may exist on some MS-DOS compilers (DJGPP?),
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but for now we just assume it doesn't. */
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but for now we just assume it doesn't. */
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# define NO_vsnprintf
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# endif
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# ifdef __TURBOC__
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@ -88,6 +95,14 @@
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# endif
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#endif
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/* unlike snprintf (which is required in C99, yet still not supported by
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Microsoft more than a decade later!), _snprintf does not guarantee null
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termination of the result -- however this is only used in gzlib.c where
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the result is assured to fit in the space provided */
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#ifdef _MSC_VER
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# define snprintf _snprintf
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#endif
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#ifndef local
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# define local static
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#endif
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@ -127,7 +142,8 @@
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# define DEF_MEM_LEVEL MAX_MEM_LEVEL
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#endif
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/* default i/o buffer size -- double this for output when reading */
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/* default i/o buffer size -- double this for output when reading (this and
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twice this must be able to fit in an unsigned type) */
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#define GZBUFSIZE 8192
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/* gzip modes, also provide a little integrity check on the passed structure */
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40
gzlib.c
40
gzlib.c
@ -1,5 +1,5 @@
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/* gzlib.c -- zlib functions common to reading and writing gzip files
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* Copyright (C) 2004, 2010, 2011, 2012 Mark Adler
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* Copyright (C) 2004, 2010, 2011, 2012, 2013 Mark Adler
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* For conditions of distribution and use, see copyright notice in zlib.h
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*/
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@ -108,7 +108,7 @@ local gzFile gz_open(path, fd, mode)
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return NULL;
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/* allocate gzFile structure to return */
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state = malloc(sizeof(gz_state));
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state = (gz_statep)malloc(sizeof(gz_state));
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if (state == NULL)
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return NULL;
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state->size = 0; /* no buffers allocated yet */
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@ -162,8 +162,10 @@ local gzFile gz_open(path, fd, mode)
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break;
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case 'F':
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state->strategy = Z_FIXED;
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break;
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case 'T':
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state->direct = 1;
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break;
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default: /* could consider as an error, but just ignore */
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;
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}
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@ -194,8 +196,8 @@ local gzFile gz_open(path, fd, mode)
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}
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else
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#endif
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len = strlen(path);
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state->path = malloc(len + 1);
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len = strlen((const char *)path);
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state->path = (char *)malloc(len + 1);
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if (state->path == NULL) {
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free(state);
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return NULL;
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@ -208,7 +210,11 @@ local gzFile gz_open(path, fd, mode)
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*(state->path) = 0;
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else
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#endif
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#if !defined(NO_snprintf) && !defined(NO_vsnprintf)
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snprintf(state->path, len + 1, "%s", (const char *)path);
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#else
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strcpy(state->path, path);
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#endif
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/* compute the flags for open() */
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oflag =
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@ -236,7 +242,7 @@ local gzFile gz_open(path, fd, mode)
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#ifdef _WIN32
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fd == -2 ? _wopen(path, oflag, 0666) :
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#endif
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open(path, oflag, 0666));
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open((const char *)path, oflag, 0666));
|
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if (state->fd == -1) {
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free(state->path);
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free(state);
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@ -282,9 +288,13 @@ gzFile ZEXPORT gzdopen(fd, mode)
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char *path; /* identifier for error messages */
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gzFile gz;
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if (fd == -1 || (path = malloc(7 + 3 * sizeof(int))) == NULL)
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if (fd == -1 || (path = (char *)malloc(7 + 3 * sizeof(int))) == NULL)
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return NULL;
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#if !defined(NO_snprintf) && !defined(NO_vsnprintf)
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snprintf(path, 7 + 3 * sizeof(int), "<fd:%d>", fd); /* for debugging */
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#else
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sprintf(path, "<fd:%d>", fd); /* for debugging */
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#endif
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gz = gz_open(path, fd, mode);
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free(path);
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return gz;
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@ -531,7 +541,8 @@ const char * ZEXPORT gzerror(file, errnum)
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/* return error information */
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if (errnum != NULL)
|
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*errnum = state->err;
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return state->msg == NULL ? "" : state->msg;
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return state->err == Z_MEM_ERROR ? "out of memory" :
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(state->msg == NULL ? "" : state->msg);
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}
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||||
/* -- see zlib.h -- */
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@ -582,21 +593,24 @@ void ZLIB_INTERNAL gz_error(state, err, msg)
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if (msg == NULL)
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return;
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||||
|
||||
/* for an out of memory error, save as static string */
|
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if (err == Z_MEM_ERROR) {
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||||
state->msg = (char *)msg;
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||||
/* for an out of memory error, return literal string when requested */
|
||||
if (err == Z_MEM_ERROR)
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return;
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}
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/* construct error message with path */
|
||||
if ((state->msg = malloc(strlen(state->path) + strlen(msg) + 3)) == NULL) {
|
||||
if ((state->msg = (char *)malloc(strlen(state->path) + strlen(msg) + 3)) ==
|
||||
NULL) {
|
||||
state->err = Z_MEM_ERROR;
|
||||
state->msg = (char *)"out of memory";
|
||||
return;
|
||||
}
|
||||
#if !defined(NO_snprintf) && !defined(NO_vsnprintf)
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||||
snprintf(state->msg, strlen(state->path) + strlen(msg) + 3,
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||||
"%s%s%s", state->path, ": ", msg);
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||||
#else
|
||||
strcpy(state->msg, state->path);
|
||||
strcat(state->msg, ": ");
|
||||
strcat(state->msg, msg);
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||||
#endif
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||||
return;
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||||
}
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||||
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||||
|
21
gzread.c
21
gzread.c
@ -1,5 +1,5 @@
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||||
/* gzread.c -- zlib functions for reading gzip files
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||||
* Copyright (C) 2004, 2005, 2010, 2011, 2012 Mark Adler
|
||||
* Copyright (C) 2004, 2005, 2010, 2011, 2012, 2013 Mark Adler
|
||||
* For conditions of distribution and use, see copyright notice in zlib.h
|
||||
*/
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||||
|
||||
@ -58,7 +58,8 @@ local int gz_avail(state)
|
||||
return -1;
|
||||
if (state->eof == 0) {
|
||||
if (strm->avail_in) { /* copy what's there to the start */
|
||||
unsigned char *p = state->in, *q = strm->next_in;
|
||||
unsigned char *p = state->in;
|
||||
unsigned const char *q = strm->next_in;
|
||||
unsigned n = strm->avail_in;
|
||||
do {
|
||||
*p++ = *q++;
|
||||
@ -90,8 +91,8 @@ local int gz_look(state)
|
||||
/* allocate read buffers and inflate memory */
|
||||
if (state->size == 0) {
|
||||
/* allocate buffers */
|
||||
state->in = malloc(state->want);
|
||||
state->out = malloc(state->want << 1);
|
||||
state->in = (unsigned char *)malloc(state->want);
|
||||
state->out = (unsigned char *)malloc(state->want << 1);
|
||||
if (state->in == NULL || state->out == NULL) {
|
||||
if (state->out != NULL)
|
||||
free(state->out);
|
||||
@ -352,14 +353,14 @@ int ZEXPORT gzread(file, buf, len)
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||||
|
||||
/* large len -- read directly into user buffer */
|
||||
else if (state->how == COPY) { /* read directly */
|
||||
if (gz_load(state, buf, len, &n) == -1)
|
||||
if (gz_load(state, (unsigned char *)buf, len, &n) == -1)
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* large len -- decompress directly into user buffer */
|
||||
else { /* state->how == GZIP */
|
||||
strm->avail_out = len;
|
||||
strm->next_out = buf;
|
||||
strm->next_out = (unsigned char *)buf;
|
||||
if (gz_decomp(state) == -1)
|
||||
return -1;
|
||||
n = state->x.have;
|
||||
@ -378,7 +379,11 @@ int ZEXPORT gzread(file, buf, len)
|
||||
}
|
||||
|
||||
/* -- see zlib.h -- */
|
||||
#undef gzgetc
|
||||
#ifdef Z_PREFIX_SET
|
||||
# undef z_gzgetc
|
||||
#else
|
||||
# undef gzgetc
|
||||
#endif
|
||||
int ZEXPORT gzgetc(file)
|
||||
gzFile file;
|
||||
{
|
||||
@ -518,7 +523,7 @@ char * ZEXPORT gzgets(file, buf, len)
|
||||
|
||||
/* look for end-of-line in current output buffer */
|
||||
n = state->x.have > left ? left : state->x.have;
|
||||
eol = memchr(state->x.next, '\n', n);
|
||||
eol = (unsigned char *)memchr(state->x.next, '\n', n);
|
||||
if (eol != NULL)
|
||||
n = (unsigned)(eol - state->x.next) + 1;
|
||||
|
||||
|
64
gzwrite.c
64
gzwrite.c
@ -1,5 +1,5 @@
|
||||
/* gzwrite.c -- zlib functions for writing gzip files
|
||||
* Copyright (C) 2004, 2005, 2010, 2011, 2012 Mark Adler
|
||||
* Copyright (C) 2004, 2005, 2010, 2011, 2012, 2013 Mark Adler
|
||||
* For conditions of distribution and use, see copyright notice in zlib.h
|
||||
*/
|
||||
|
||||
@ -19,7 +19,7 @@ local int gz_init(state)
|
||||
z_streamp strm = &(state->strm);
|
||||
|
||||
/* allocate input buffer */
|
||||
state->in = malloc(state->want);
|
||||
state->in = (unsigned char *)malloc(state->want);
|
||||
if (state->in == NULL) {
|
||||
gz_error(state, Z_MEM_ERROR, "out of memory");
|
||||
return -1;
|
||||
@ -28,7 +28,7 @@ local int gz_init(state)
|
||||
/* only need output buffer and deflate state if compressing */
|
||||
if (!state->direct) {
|
||||
/* allocate output buffer */
|
||||
state->out = malloc(state->want);
|
||||
state->out = (unsigned char *)malloc(state->want);
|
||||
if (state->out == NULL) {
|
||||
free(state->in);
|
||||
gz_error(state, Z_MEM_ERROR, "out of memory");
|
||||
@ -168,7 +168,6 @@ int ZEXPORT gzwrite(file, buf, len)
|
||||
unsigned len;
|
||||
{
|
||||
unsigned put = len;
|
||||
unsigned n;
|
||||
gz_statep state;
|
||||
z_streamp strm;
|
||||
|
||||
@ -208,16 +207,19 @@ int ZEXPORT gzwrite(file, buf, len)
|
||||
if (len < state->size) {
|
||||
/* copy to input buffer, compress when full */
|
||||
do {
|
||||
unsigned have, copy;
|
||||
|
||||
if (strm->avail_in == 0)
|
||||
strm->next_in = state->in;
|
||||
n = state->size - strm->avail_in;
|
||||
if (n > len)
|
||||
n = len;
|
||||
memcpy(strm->next_in + strm->avail_in, buf, n);
|
||||
strm->avail_in += n;
|
||||
state->x.pos += n;
|
||||
buf = (char *)buf + n;
|
||||
len -= n;
|
||||
have = (unsigned)((strm->next_in + strm->avail_in) - state->in);
|
||||
copy = state->size - have;
|
||||
if (copy > len)
|
||||
copy = len;
|
||||
memcpy(state->in + have, buf, copy);
|
||||
strm->avail_in += copy;
|
||||
state->x.pos += copy;
|
||||
buf = (const char *)buf + copy;
|
||||
len -= copy;
|
||||
if (len && gz_comp(state, Z_NO_FLUSH) == -1)
|
||||
return 0;
|
||||
} while (len);
|
||||
@ -229,7 +231,7 @@ int ZEXPORT gzwrite(file, buf, len)
|
||||
|
||||
/* directly compress user buffer to file */
|
||||
strm->avail_in = len;
|
||||
strm->next_in = (voidp)buf;
|
||||
strm->next_in = (z_const Bytef *)buf;
|
||||
state->x.pos += len;
|
||||
if (gz_comp(state, Z_NO_FLUSH) == -1)
|
||||
return 0;
|
||||
@ -244,6 +246,7 @@ int ZEXPORT gzputc(file, c)
|
||||
gzFile file;
|
||||
int c;
|
||||
{
|
||||
unsigned have;
|
||||
unsigned char buf[1];
|
||||
gz_statep state;
|
||||
z_streamp strm;
|
||||
@ -267,12 +270,16 @@ int ZEXPORT gzputc(file, c)
|
||||
|
||||
/* try writing to input buffer for speed (state->size == 0 if buffer not
|
||||
initialized) */
|
||||
if (strm->avail_in < state->size) {
|
||||
if (state->size) {
|
||||
if (strm->avail_in == 0)
|
||||
strm->next_in = state->in;
|
||||
strm->next_in[strm->avail_in++] = c;
|
||||
state->x.pos++;
|
||||
return c & 0xff;
|
||||
have = (unsigned)((strm->next_in + strm->avail_in) - state->in);
|
||||
if (have < state->size) {
|
||||
state->in[have] = c;
|
||||
strm->avail_in++;
|
||||
state->x.pos++;
|
||||
return c & 0xff;
|
||||
}
|
||||
}
|
||||
|
||||
/* no room in buffer or not initialized, use gz_write() */
|
||||
@ -300,12 +307,11 @@ int ZEXPORT gzputs(file, str)
|
||||
#include <stdarg.h>
|
||||
|
||||
/* -- see zlib.h -- */
|
||||
int ZEXPORTVA gzprintf (gzFile file, const char *format, ...)
|
||||
int ZEXPORTVA gzvprintf(gzFile file, const char *format, va_list va)
|
||||
{
|
||||
int size, len;
|
||||
gz_statep state;
|
||||
z_streamp strm;
|
||||
va_list va;
|
||||
|
||||
/* get internal structure */
|
||||
if (file == NULL)
|
||||
@ -335,25 +341,20 @@ int ZEXPORTVA gzprintf (gzFile file, const char *format, ...)
|
||||
/* do the printf() into the input buffer, put length in len */
|
||||
size = (int)(state->size);
|
||||
state->in[size - 1] = 0;
|
||||
va_start(va, format);
|
||||
#ifdef NO_vsnprintf
|
||||
# ifdef HAS_vsprintf_void
|
||||
(void)vsprintf((char *)(state->in), format, va);
|
||||
va_end(va);
|
||||
for (len = 0; len < size; len++)
|
||||
if (state->in[len] == 0) break;
|
||||
# else
|
||||
len = vsprintf((char *)(state->in), format, va);
|
||||
va_end(va);
|
||||
# endif
|
||||
#else
|
||||
# ifdef HAS_vsnprintf_void
|
||||
(void)vsnprintf((char *)(state->in), size, format, va);
|
||||
va_end(va);
|
||||
len = strlen((char *)(state->in));
|
||||
# else
|
||||
len = vsnprintf((char *)(state->in), size, format, va);
|
||||
va_end(va);
|
||||
# endif
|
||||
#endif
|
||||
|
||||
@ -368,6 +369,17 @@ int ZEXPORTVA gzprintf (gzFile file, const char *format, ...)
|
||||
return len;
|
||||
}
|
||||
|
||||
int ZEXPORTVA gzprintf(gzFile file, const char *format, ...)
|
||||
{
|
||||
va_list va;
|
||||
int ret;
|
||||
|
||||
va_start(va, format);
|
||||
ret = gzvprintf(file, format, va);
|
||||
va_end(va);
|
||||
return ret;
|
||||
}
|
||||
|
||||
#else /* !STDC && !Z_HAVE_STDARG_H */
|
||||
|
||||
/* -- see zlib.h -- */
|
||||
@ -547,9 +559,9 @@ int ZEXPORT gzclose_w(file)
|
||||
}
|
||||
|
||||
/* flush, free memory, and close file */
|
||||
if (gz_comp(state, Z_FINISH) == -1)
|
||||
ret = state->err;
|
||||
if (state->size) {
|
||||
if (gz_comp(state, Z_FINISH) == -1)
|
||||
ret = state->err;
|
||||
if (!state->direct) {
|
||||
(void)deflateEnd(&(state->strm));
|
||||
free(state->out);
|
||||
|
@ -255,7 +255,7 @@ out_func out;
|
||||
void FAR *out_desc;
|
||||
{
|
||||
struct inflate_state FAR *state;
|
||||
unsigned char FAR *next; /* next input */
|
||||
z_const unsigned char FAR *next; /* next input */
|
||||
unsigned char FAR *put; /* next output */
|
||||
unsigned have, left; /* available input and output */
|
||||
unsigned long hold; /* bit buffer */
|
||||
|
@ -1,5 +1,5 @@
|
||||
/* inffast.c -- fast decoding
|
||||
* Copyright (C) 1995-2008, 2010 Mark Adler
|
||||
* Copyright (C) 1995-2008, 2010, 2013 Mark Adler
|
||||
* For conditions of distribution and use, see copyright notice in zlib.h
|
||||
*/
|
||||
|
||||
@ -69,8 +69,8 @@ z_streamp strm;
|
||||
unsigned start; /* inflate()'s starting value for strm->avail_out */
|
||||
{
|
||||
struct inflate_state FAR *state;
|
||||
unsigned char FAR *in; /* local strm->next_in */
|
||||
unsigned char FAR *last; /* while in < last, enough input available */
|
||||
z_const unsigned char FAR *in; /* local strm->next_in */
|
||||
z_const unsigned char FAR *last; /* have enough input while in < last */
|
||||
unsigned char FAR *out; /* local strm->next_out */
|
||||
unsigned char FAR *beg; /* inflate()'s initial strm->next_out */
|
||||
unsigned char FAR *end; /* while out < end, enough space available */
|
||||
|
64
inflate.c
64
inflate.c
@ -93,11 +93,12 @@
|
||||
|
||||
/* function prototypes */
|
||||
local void fixedtables OF((struct inflate_state FAR *state));
|
||||
local int updatewindow OF((z_streamp strm, unsigned out));
|
||||
local int updatewindow OF((z_streamp strm, const unsigned char FAR *end,
|
||||
unsigned copy));
|
||||
#ifdef BUILDFIXED
|
||||
void makefixed OF((void));
|
||||
#endif
|
||||
local unsigned syncsearch OF((unsigned FAR *have, unsigned char FAR *buf,
|
||||
local unsigned syncsearch OF((unsigned FAR *have, const unsigned char FAR *buf,
|
||||
unsigned len));
|
||||
|
||||
int ZEXPORT inflateResetKeep(strm)
|
||||
@ -375,12 +376,13 @@ void makefixed()
|
||||
output will fall in the output data, making match copies simpler and faster.
|
||||
The advantage may be dependent on the size of the processor's data caches.
|
||||
*/
|
||||
local int updatewindow(strm, out)
|
||||
local int updatewindow(strm, end, copy)
|
||||
z_streamp strm;
|
||||
unsigned out;
|
||||
const Bytef *end;
|
||||
unsigned copy;
|
||||
{
|
||||
struct inflate_state FAR *state;
|
||||
unsigned copy, dist;
|
||||
unsigned dist;
|
||||
|
||||
state = (struct inflate_state FAR *)strm->state;
|
||||
|
||||
@ -400,19 +402,18 @@ unsigned out;
|
||||
}
|
||||
|
||||
/* copy state->wsize or less output bytes into the circular window */
|
||||
copy = out - strm->avail_out;
|
||||
if (copy >= state->wsize) {
|
||||
zmemcpy(state->window, strm->next_out - state->wsize, state->wsize);
|
||||
zmemcpy(state->window, end - state->wsize, state->wsize);
|
||||
state->wnext = 0;
|
||||
state->whave = state->wsize;
|
||||
}
|
||||
else {
|
||||
dist = state->wsize - state->wnext;
|
||||
if (dist > copy) dist = copy;
|
||||
zmemcpy(state->window + state->wnext, strm->next_out - copy, dist);
|
||||
zmemcpy(state->window + state->wnext, end - copy, dist);
|
||||
copy -= dist;
|
||||
if (copy) {
|
||||
zmemcpy(state->window, strm->next_out - copy, copy);
|
||||
zmemcpy(state->window, end - copy, copy);
|
||||
state->wnext = copy;
|
||||
state->whave = state->wsize;
|
||||
}
|
||||
@ -606,7 +607,7 @@ z_streamp strm;
|
||||
int flush;
|
||||
{
|
||||
struct inflate_state FAR *state;
|
||||
unsigned char FAR *next; /* next input */
|
||||
z_const unsigned char FAR *next; /* next input */
|
||||
unsigned char FAR *put; /* next output */
|
||||
unsigned have, left; /* available input and output */
|
||||
unsigned long hold; /* bit buffer */
|
||||
@ -920,7 +921,7 @@ int flush;
|
||||
while (state->have < 19)
|
||||
state->lens[order[state->have++]] = 0;
|
||||
state->next = state->codes;
|
||||
state->lencode = (code const FAR *)(state->next);
|
||||
state->lencode = (const code FAR *)(state->next);
|
||||
state->lenbits = 7;
|
||||
ret = inflate_table(CODES, state->lens, 19, &(state->next),
|
||||
&(state->lenbits), state->work);
|
||||
@ -994,7 +995,7 @@ int flush;
|
||||
values here (9 and 6) without reading the comments in inftrees.h
|
||||
concerning the ENOUGH constants, which depend on those values */
|
||||
state->next = state->codes;
|
||||
state->lencode = (code const FAR *)(state->next);
|
||||
state->lencode = (const code FAR *)(state->next);
|
||||
state->lenbits = 9;
|
||||
ret = inflate_table(LENS, state->lens, state->nlen, &(state->next),
|
||||
&(state->lenbits), state->work);
|
||||
@ -1003,7 +1004,7 @@ int flush;
|
||||
state->mode = BAD;
|
||||
break;
|
||||
}
|
||||
state->distcode = (code const FAR *)(state->next);
|
||||
state->distcode = (const code FAR *)(state->next);
|
||||
state->distbits = 6;
|
||||
ret = inflate_table(DISTS, state->lens + state->nlen, state->ndist,
|
||||
&(state->next), &(state->distbits), state->work);
|
||||
@ -1230,7 +1231,7 @@ int flush;
|
||||
RESTORE();
|
||||
if (state->wsize || (out != strm->avail_out && state->mode < BAD &&
|
||||
(state->mode < CHECK || flush != Z_FINISH)))
|
||||
if (updatewindow(strm, out)) {
|
||||
if (updatewindow(strm, strm->next_out, out - strm->avail_out)) {
|
||||
state->mode = MEM;
|
||||
return Z_MEM_ERROR;
|
||||
}
|
||||
@ -1264,6 +1265,29 @@ z_streamp strm;
|
||||
return Z_OK;
|
||||
}
|
||||
|
||||
int ZEXPORT inflateGetDictionary(strm, dictionary, dictLength)
|
||||
z_streamp strm;
|
||||
Bytef *dictionary;
|
||||
uInt *dictLength;
|
||||
{
|
||||
struct inflate_state FAR *state;
|
||||
|
||||
/* check state */
|
||||
if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
|
||||
state = (struct inflate_state FAR *)strm->state;
|
||||
|
||||
/* copy dictionary */
|
||||
if (state->whave && dictionary != Z_NULL) {
|
||||
zmemcpy(dictionary, state->window + state->wnext,
|
||||
state->whave - state->wnext);
|
||||
zmemcpy(dictionary + state->whave - state->wnext,
|
||||
state->window, state->wnext);
|
||||
}
|
||||
if (dictLength != Z_NULL)
|
||||
*dictLength = state->whave;
|
||||
return Z_OK;
|
||||
}
|
||||
|
||||
int ZEXPORT inflateSetDictionary(strm, dictionary, dictLength)
|
||||
z_streamp strm;
|
||||
const Bytef *dictionary;
|
||||
@ -1271,8 +1295,6 @@ uInt dictLength;
|
||||
{
|
||||
struct inflate_state FAR *state;
|
||||
unsigned long dictid;
|
||||
unsigned char *next;
|
||||
unsigned avail;
|
||||
int ret;
|
||||
|
||||
/* check state */
|
||||
@ -1291,13 +1313,7 @@ uInt dictLength;
|
||||
|
||||
/* copy dictionary to window using updatewindow(), which will amend the
|
||||
existing dictionary if appropriate */
|
||||
next = strm->next_out;
|
||||
avail = strm->avail_out;
|
||||
strm->next_out = (Bytef *)dictionary + dictLength;
|
||||
strm->avail_out = 0;
|
||||
ret = updatewindow(strm, dictLength);
|
||||
strm->avail_out = avail;
|
||||
strm->next_out = next;
|
||||
ret = updatewindow(strm, dictionary + dictLength, dictLength);
|
||||
if (ret) {
|
||||
state->mode = MEM;
|
||||
return Z_MEM_ERROR;
|
||||
@ -1337,7 +1353,7 @@ gz_headerp head;
|
||||
*/
|
||||
local unsigned syncsearch(have, buf, len)
|
||||
unsigned FAR *have;
|
||||
unsigned char FAR *buf;
|
||||
const unsigned char FAR *buf;
|
||||
unsigned len;
|
||||
{
|
||||
unsigned got;
|
||||
|
14
inftrees.c
14
inftrees.c
@ -1,5 +1,5 @@
|
||||
/* inftrees.c -- generate Huffman trees for efficient decoding
|
||||
* Copyright (C) 1995-2012 Mark Adler
|
||||
* Copyright (C) 1995-2013 Mark Adler
|
||||
* For conditions of distribution and use, see copyright notice in zlib.h
|
||||
*/
|
||||
|
||||
@ -9,7 +9,7 @@
|
||||
#define MAXBITS 15
|
||||
|
||||
const char inflate_copyright[] =
|
||||
" inflate 1.2.7 Copyright 1995-2012 Mark Adler ";
|
||||
" inflate 1.2.8 Copyright 1995-2013 Mark Adler ";
|
||||
/*
|
||||
If you use the zlib library in a product, an acknowledgment is welcome
|
||||
in the documentation of your product. If for some reason you cannot
|
||||
@ -62,7 +62,7 @@ unsigned short FAR *work;
|
||||
35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0};
|
||||
static const unsigned short lext[31] = { /* Length codes 257..285 extra */
|
||||
16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18,
|
||||
19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 78, 68};
|
||||
19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 72, 78};
|
||||
static const unsigned short dbase[32] = { /* Distance codes 0..29 base */
|
||||
1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193,
|
||||
257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145,
|
||||
@ -208,8 +208,8 @@ unsigned short FAR *work;
|
||||
mask = used - 1; /* mask for comparing low */
|
||||
|
||||
/* check available table space */
|
||||
if ((type == LENS && used >= ENOUGH_LENS) ||
|
||||
(type == DISTS && used >= ENOUGH_DISTS))
|
||||
if ((type == LENS && used > ENOUGH_LENS) ||
|
||||
(type == DISTS && used > ENOUGH_DISTS))
|
||||
return 1;
|
||||
|
||||
/* process all codes and make table entries */
|
||||
@ -277,8 +277,8 @@ unsigned short FAR *work;
|
||||
|
||||
/* check for enough space */
|
||||
used += 1U << curr;
|
||||
if ((type == LENS && used >= ENOUGH_LENS) ||
|
||||
(type == DISTS && used >= ENOUGH_DISTS))
|
||||
if ((type == LENS && used > ENOUGH_LENS) ||
|
||||
(type == DISTS && used > ENOUGH_DISTS))
|
||||
return 1;
|
||||
|
||||
/* point entry in root table to sub-table */
|
||||
|
@ -26,7 +26,7 @@
|
||||
} \
|
||||
}
|
||||
|
||||
const char hello[] = "hello, hello!";
|
||||
z_const char hello[] = "hello, hello!";
|
||||
/* "hello world" would be more standard, but the repeated "hello"
|
||||
* stresses the compression code better, sorry...
|
||||
*/
|
||||
@ -212,7 +212,7 @@ void test_deflate(compr, comprLen)
|
||||
err = deflateInit(&c_stream, Z_DEFAULT_COMPRESSION);
|
||||
CHECK_ERR(err, "deflateInit");
|
||||
|
||||
c_stream.next_in = (Bytef*)hello;
|
||||
c_stream.next_in = (z_const unsigned char *)hello;
|
||||
c_stream.next_out = compr;
|
||||
|
||||
while (c_stream.total_in != len && c_stream.total_out < comprLen) {
|
||||
@ -387,7 +387,7 @@ void test_flush(compr, comprLen)
|
||||
err = deflateInit(&c_stream, Z_DEFAULT_COMPRESSION);
|
||||
CHECK_ERR(err, "deflateInit");
|
||||
|
||||
c_stream.next_in = (Bytef*)hello;
|
||||
c_stream.next_in = (z_const unsigned char *)hello;
|
||||
c_stream.next_out = compr;
|
||||
c_stream.avail_in = 3;
|
||||
c_stream.avail_out = (uInt)*comprLen;
|
||||
@ -476,7 +476,7 @@ void test_dict_deflate(compr, comprLen)
|
||||
c_stream.next_out = compr;
|
||||
c_stream.avail_out = (uInt)comprLen;
|
||||
|
||||
c_stream.next_in = (Bytef*)hello;
|
||||
c_stream.next_in = (z_const unsigned char *)hello;
|
||||
c_stream.avail_in = (uInt)strlen(hello)+1;
|
||||
|
||||
err = deflate(&c_stream, Z_FINISH);
|
||||
|
@ -40,6 +40,10 @@
|
||||
# define SET_BINARY_MODE(file)
|
||||
#endif
|
||||
|
||||
#ifdef _MSC_VER
|
||||
# define snprintf _snprintf
|
||||
#endif
|
||||
|
||||
#ifdef VMS
|
||||
# define unlink delete
|
||||
# define GZ_SUFFIX "-gz"
|
||||
@ -463,8 +467,12 @@ void file_compress(file, mode)
|
||||
exit(1);
|
||||
}
|
||||
|
||||
#if !defined(NO_snprintf) && !defined(NO_vsnprintf)
|
||||
snprintf(outfile, sizeof(outfile), "%s%s", file, GZ_SUFFIX);
|
||||
#else
|
||||
strcpy(outfile, file);
|
||||
strcat(outfile, GZ_SUFFIX);
|
||||
#endif
|
||||
|
||||
in = fopen(file, "rb");
|
||||
if (in == NULL) {
|
||||
@ -499,7 +507,11 @@ void file_uncompress(file)
|
||||
exit(1);
|
||||
}
|
||||
|
||||
#if !defined(NO_snprintf) && !defined(NO_vsnprintf)
|
||||
snprintf(buf, sizeof(buf), "%s", file);
|
||||
#else
|
||||
strcpy(buf, file);
|
||||
#endif
|
||||
|
||||
if (len > SUFFIX_LEN && strcmp(file+len-SUFFIX_LEN, GZ_SUFFIX) == 0) {
|
||||
infile = file;
|
||||
@ -508,7 +520,11 @@ void file_uncompress(file)
|
||||
} else {
|
||||
outfile = file;
|
||||
infile = buf;
|
||||
#if !defined(NO_snprintf) && !defined(NO_vsnprintf)
|
||||
snprintf(buf + len, sizeof(buf) - len, "%s", GZ_SUFFIX);
|
||||
#else
|
||||
strcat(infile, GZ_SUFFIX);
|
||||
#endif
|
||||
}
|
||||
in = gzopen(infile, "rb");
|
||||
if (in == NULL) {
|
||||
@ -546,7 +562,11 @@ int main(argc, argv)
|
||||
gzFile file;
|
||||
char *bname, outmode[20];
|
||||
|
||||
#if !defined(NO_snprintf) && !defined(NO_vsnprintf)
|
||||
snprintf(outmode, sizeof(outmode), "%s", "wb6 ");
|
||||
#else
|
||||
strcpy(outmode, "wb6 ");
|
||||
#endif
|
||||
|
||||
prog = argv[0];
|
||||
bname = strrchr(argv[0], '/');
|
||||
|
14
trees.c
14
trees.c
@ -146,8 +146,8 @@ local void send_tree OF((deflate_state *s, ct_data *tree, int max_code));
|
||||
local int build_bl_tree OF((deflate_state *s));
|
||||
local void send_all_trees OF((deflate_state *s, int lcodes, int dcodes,
|
||||
int blcodes));
|
||||
local void compress_block OF((deflate_state *s, ct_data *ltree,
|
||||
ct_data *dtree));
|
||||
local void compress_block OF((deflate_state *s, const ct_data *ltree,
|
||||
const ct_data *dtree));
|
||||
local int detect_data_type OF((deflate_state *s));
|
||||
local unsigned bi_reverse OF((unsigned value, int length));
|
||||
local void bi_windup OF((deflate_state *s));
|
||||
@ -972,7 +972,8 @@ void ZLIB_INTERNAL _tr_flush_block(s, buf, stored_len, last)
|
||||
} else if (s->strategy == Z_FIXED || static_lenb == opt_lenb) {
|
||||
#endif
|
||||
send_bits(s, (STATIC_TREES<<1)+last, 3);
|
||||
compress_block(s, (ct_data *)static_ltree, (ct_data *)static_dtree);
|
||||
compress_block(s, (const ct_data *)static_ltree,
|
||||
(const ct_data *)static_dtree);
|
||||
#ifdef DEBUG
|
||||
s->compressed_len += 3 + s->static_len;
|
||||
#endif
|
||||
@ -980,7 +981,8 @@ void ZLIB_INTERNAL _tr_flush_block(s, buf, stored_len, last)
|
||||
send_bits(s, (DYN_TREES<<1)+last, 3);
|
||||
send_all_trees(s, s->l_desc.max_code+1, s->d_desc.max_code+1,
|
||||
max_blindex+1);
|
||||
compress_block(s, (ct_data *)s->dyn_ltree, (ct_data *)s->dyn_dtree);
|
||||
compress_block(s, (const ct_data *)s->dyn_ltree,
|
||||
(const ct_data *)s->dyn_dtree);
|
||||
#ifdef DEBUG
|
||||
s->compressed_len += 3 + s->opt_len;
|
||||
#endif
|
||||
@ -1057,8 +1059,8 @@ int ZLIB_INTERNAL _tr_tally (s, dist, lc)
|
||||
*/
|
||||
local void compress_block(s, ltree, dtree)
|
||||
deflate_state *s;
|
||||
ct_data *ltree; /* literal tree */
|
||||
ct_data *dtree; /* distance tree */
|
||||
const ct_data *ltree; /* literal tree */
|
||||
const ct_data *dtree; /* distance tree */
|
||||
{
|
||||
unsigned dist; /* distance of matched string */
|
||||
int lc; /* match length or unmatched char (if dist == 0) */
|
||||
|
@ -30,7 +30,7 @@ int ZEXPORT uncompress (dest, destLen, source, sourceLen)
|
||||
z_stream stream;
|
||||
int err;
|
||||
|
||||
stream.next_in = (Bytef*)source;
|
||||
stream.next_in = (z_const Bytef *)source;
|
||||
stream.avail_in = (uInt)sourceLen;
|
||||
/* Check for source > 64K on 16-bit machine: */
|
||||
if ((uLong)stream.avail_in != sourceLen) return Z_BUF_ERROR;
|
||||
|
33
zconf.h
33
zconf.h
@ -1,5 +1,5 @@
|
||||
/* zconf.h -- configuration of the zlib compression library
|
||||
* Copyright (C) 1995-2012 Jean-loup Gailly.
|
||||
* Copyright (C) 1995-2013 Jean-loup Gailly.
|
||||
* For conditions of distribution and use, see copyright notice in zlib.h
|
||||
*/
|
||||
|
||||
@ -21,6 +21,7 @@
|
||||
# define _dist_code z__dist_code
|
||||
# define _length_code z__length_code
|
||||
# define _tr_align z__tr_align
|
||||
# define _tr_flush_bits z__tr_flush_bits
|
||||
# define _tr_flush_block z__tr_flush_block
|
||||
# define _tr_init z__tr_init
|
||||
# define _tr_stored_block z__tr_stored_block
|
||||
@ -77,6 +78,7 @@
|
||||
# define gzopen_w z_gzopen_w
|
||||
# endif
|
||||
# define gzprintf z_gzprintf
|
||||
# define gzvprintf z_gzvprintf
|
||||
# define gzputc z_gzputc
|
||||
# define gzputs z_gzputs
|
||||
# define gzread z_gzread
|
||||
@ -103,6 +105,7 @@
|
||||
# define inflateReset z_inflateReset
|
||||
# define inflateReset2 z_inflateReset2
|
||||
# define inflateSetDictionary z_inflateSetDictionary
|
||||
# define inflateGetDictionary z_inflateGetDictionary
|
||||
# define inflateSync z_inflateSync
|
||||
# define inflateSyncPoint z_inflateSyncPoint
|
||||
# define inflateUndermine z_inflateUndermine
|
||||
@ -388,20 +391,14 @@ typedef uLong FAR uLongf;
|
||||
typedef Byte *voidp;
|
||||
#endif
|
||||
|
||||
/* ./configure may #define Z_U4 here */
|
||||
|
||||
#if !defined(Z_U4) && !defined(Z_SOLO) && defined(STDC)
|
||||
# include <limits.h>
|
||||
# if (UINT_MAX == 0xffffffffUL)
|
||||
# define Z_U4 unsigned
|
||||
# else
|
||||
# if (ULONG_MAX == 0xffffffffUL)
|
||||
# define Z_U4 unsigned long
|
||||
# else
|
||||
# if (USHRT_MAX == 0xffffffffUL)
|
||||
# define Z_U4 unsigned short
|
||||
# endif
|
||||
# endif
|
||||
# elif (ULONG_MAX == 0xffffffffUL)
|
||||
# define Z_U4 unsigned long
|
||||
# elif (USHRT_MAX == 0xffffffffUL)
|
||||
# define Z_U4 unsigned short
|
||||
# endif
|
||||
#endif
|
||||
|
||||
@ -425,8 +422,16 @@ typedef uLong FAR uLongf;
|
||||
# endif
|
||||
#endif
|
||||
|
||||
#if defined(STDC) || defined(Z_HAVE_STDARG_H)
|
||||
# ifndef Z_SOLO
|
||||
# include <stdarg.h> /* for va_list */
|
||||
# endif
|
||||
#endif
|
||||
|
||||
#ifdef _WIN32
|
||||
# include <stddef.h> /* for wchar_t */
|
||||
# ifndef Z_SOLO
|
||||
# include <stddef.h> /* for wchar_t */
|
||||
# endif
|
||||
#endif
|
||||
|
||||
/* a little trick to accommodate both "#define _LARGEFILE64_SOURCE" and
|
||||
@ -435,7 +440,7 @@ typedef uLong FAR uLongf;
|
||||
* both "#undef _LARGEFILE64_SOURCE" and "#define _LARGEFILE64_SOURCE 0" as
|
||||
* equivalently requesting no 64-bit operations
|
||||
*/
|
||||
#if defined(LARGEFILE64_SOURCE) && -_LARGEFILE64_SOURCE - -1 == 1
|
||||
#if defined(_LARGEFILE64_SOURCE) && -_LARGEFILE64_SOURCE - -1 == 1
|
||||
# undef _LARGEFILE64_SOURCE
|
||||
#endif
|
||||
|
||||
@ -443,7 +448,7 @@ typedef uLong FAR uLongf;
|
||||
# define Z_HAVE_UNISTD_H
|
||||
#endif
|
||||
#ifndef Z_SOLO
|
||||
# if defined(Z_HAVE_UNISTD_H) || defined(LARGEFILE64_SOURCE)
|
||||
# if defined(Z_HAVE_UNISTD_H) || defined(_LARGEFILE64_SOURCE)
|
||||
# include <unistd.h> /* for SEEK_*, off_t, and _LFS64_LARGEFILE */
|
||||
# ifdef VMS
|
||||
# include <unixio.h> /* for off_t */
|
||||
|
6
zlib.3
6
zlib.3
@ -1,4 +1,4 @@
|
||||
.TH ZLIB 3 "2 May 2012"
|
||||
.TH ZLIB 3 "28 Apr 2013"
|
||||
.SH NAME
|
||||
zlib \- compression/decompression library
|
||||
.SH SYNOPSIS
|
||||
@ -125,8 +125,8 @@ before asking for help.
|
||||
Send questions and/or comments to zlib@gzip.org,
|
||||
or (for the Windows DLL version) to Gilles Vollant (info@winimage.com).
|
||||
.SH AUTHORS
|
||||
Version 1.2.7
|
||||
Copyright (C) 1995-2012 Jean-loup Gailly (jloup@gzip.org)
|
||||
Version 1.2.8
|
||||
Copyright (C) 1995-2013 Jean-loup Gailly (jloup@gzip.org)
|
||||
and Mark Adler (madler@alumni.caltech.edu).
|
||||
.LP
|
||||
This software is provided "as-is,"
|
||||
|
48
zlib.h
48
zlib.h
@ -1,7 +1,7 @@
|
||||
/* zlib.h -- interface of the 'zlib' general purpose compression library
|
||||
version 1.2.7, May 2nd, 2012
|
||||
version 1.2.8, April 28th, 2013
|
||||
|
||||
Copyright (C) 1995-2012 Jean-loup Gailly and Mark Adler
|
||||
Copyright (C) 1995-2013 Jean-loup Gailly and Mark Adler
|
||||
|
||||
This software is provided 'as-is', without any express or implied
|
||||
warranty. In no event will the authors be held liable for any damages
|
||||
@ -37,11 +37,11 @@
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
#define ZLIB_VERSION "1.2.7"
|
||||
#define ZLIB_VERNUM 0x1270
|
||||
#define ZLIB_VERSION "1.2.8"
|
||||
#define ZLIB_VERNUM 0x1280
|
||||
#define ZLIB_VER_MAJOR 1
|
||||
#define ZLIB_VER_MINOR 2
|
||||
#define ZLIB_VER_REVISION 7
|
||||
#define ZLIB_VER_REVISION 8
|
||||
#define ZLIB_VER_SUBREVISION 0
|
||||
|
||||
/*
|
||||
@ -839,6 +839,21 @@ ZEXTERN int ZEXPORT inflateSetDictionary OF((z_streamp strm,
|
||||
inflate().
|
||||
*/
|
||||
|
||||
ZEXTERN int ZEXPORT inflateGetDictionary OF((z_streamp strm,
|
||||
Bytef *dictionary,
|
||||
uInt *dictLength));
|
||||
/*
|
||||
Returns the sliding dictionary being maintained by inflate. dictLength is
|
||||
set to the number of bytes in the dictionary, and that many bytes are copied
|
||||
to dictionary. dictionary must have enough space, where 32768 bytes is
|
||||
always enough. If inflateGetDictionary() is called with dictionary equal to
|
||||
Z_NULL, then only the dictionary length is returned, and nothing is copied.
|
||||
Similary, if dictLength is Z_NULL, then it is not set.
|
||||
|
||||
inflateGetDictionary returns Z_OK on success, or Z_STREAM_ERROR if the
|
||||
stream state is inconsistent.
|
||||
*/
|
||||
|
||||
ZEXTERN int ZEXPORT inflateSync OF((z_streamp strm));
|
||||
/*
|
||||
Skips invalid compressed data until a possible full flush point (see above
|
||||
@ -846,7 +861,7 @@ ZEXTERN int ZEXPORT inflateSync OF((z_streamp strm));
|
||||
available input is skipped. No output is provided.
|
||||
|
||||
inflateSync searches for a 00 00 FF FF pattern in the compressed data.
|
||||
All full flush points have this pattern, but not all occurences of this
|
||||
All full flush points have this pattern, but not all occurrences of this
|
||||
pattern are full flush points.
|
||||
|
||||
inflateSync returns Z_OK if a possible full flush point has been found,
|
||||
@ -1007,7 +1022,8 @@ ZEXTERN int ZEXPORT inflateBackInit OF((z_streamp strm, int windowBits,
|
||||
the version of the header file.
|
||||
*/
|
||||
|
||||
typedef unsigned (*in_func) OF((void FAR *, unsigned char FAR * FAR *));
|
||||
typedef unsigned (*in_func) OF((void FAR *,
|
||||
z_const unsigned char FAR * FAR *));
|
||||
typedef int (*out_func) OF((void FAR *, unsigned char FAR *, unsigned));
|
||||
|
||||
ZEXTERN int ZEXPORT inflateBack OF((z_streamp strm,
|
||||
@ -1015,11 +1031,12 @@ ZEXTERN int ZEXPORT inflateBack OF((z_streamp strm,
|
||||
out_func out, void FAR *out_desc));
|
||||
/*
|
||||
inflateBack() does a raw inflate with a single call using a call-back
|
||||
interface for input and output. This is more efficient than inflate() for
|
||||
file i/o applications in that it avoids copying between the output and the
|
||||
sliding window by simply making the window itself the output buffer. This
|
||||
function trusts the application to not change the output buffer passed by
|
||||
the output function, at least until inflateBack() returns.
|
||||
interface for input and output. This is potentially more efficient than
|
||||
inflate() for file i/o applications, in that it avoids copying between the
|
||||
output and the sliding window by simply making the window itself the output
|
||||
buffer. inflate() can be faster on modern CPUs when used with large
|
||||
buffers. inflateBack() trusts the application to not change the output
|
||||
buffer passed by the output function, at least until inflateBack() returns.
|
||||
|
||||
inflateBackInit() must be called first to allocate the internal state
|
||||
and to initialize the state with the user-provided window buffer.
|
||||
@ -1736,6 +1753,13 @@ ZEXTERN int ZEXPORT deflateResetKeep OF((z_streamp));
|
||||
ZEXTERN gzFile ZEXPORT gzopen_w OF((const wchar_t *path,
|
||||
const char *mode));
|
||||
#endif
|
||||
#if defined(STDC) || defined(Z_HAVE_STDARG_H)
|
||||
# ifndef Z_SOLO
|
||||
ZEXTERN int ZEXPORTVA gzvprintf Z_ARG((gzFile file,
|
||||
const char *format,
|
||||
va_list va));
|
||||
# endif
|
||||
#endif
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
|
2
zutil.c
2
zutil.c
@ -14,7 +14,7 @@
|
||||
struct internal_state {int dummy;}; /* for buggy compilers */
|
||||
#endif
|
||||
|
||||
const char * const z_errmsg[10] = {
|
||||
z_const char * const z_errmsg[10] = {
|
||||
"need dictionary", /* Z_NEED_DICT 2 */
|
||||
"stream end", /* Z_STREAM_END 1 */
|
||||
"", /* Z_OK 0 */
|
||||
|
9
zutil.h
9
zutil.h
@ -1,5 +1,5 @@
|
||||
/* zutil.h -- internal interface and configuration of the compression library
|
||||
* Copyright (C) 1995-2012 Jean-loup Gailly.
|
||||
* Copyright (C) 1995-2013 Jean-loup Gailly.
|
||||
* For conditions of distribution and use, see copyright notice in zlib.h
|
||||
*/
|
||||
|
||||
@ -44,13 +44,13 @@ typedef unsigned short ush;
|
||||
typedef ush FAR ushf;
|
||||
typedef unsigned long ulg;
|
||||
|
||||
extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
|
||||
extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
|
||||
/* (size given to avoid silly warnings with Visual C++) */
|
||||
|
||||
#define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
|
||||
|
||||
#define ERR_RETURN(strm,err) \
|
||||
return (strm->msg = (char*)ERR_MSG(err), (err))
|
||||
return (strm->msg = ERR_MSG(err), (err))
|
||||
/* To be used only when the state is known to be valid */
|
||||
|
||||
/* common constants */
|
||||
@ -168,7 +168,8 @@ extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
|
||||
#endif
|
||||
|
||||
/* provide prototypes for these when building zlib without LFS */
|
||||
#if !defined(_WIN32) && (!defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0)
|
||||
#if !defined(_WIN32) && \
|
||||
(!defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0)
|
||||
ZEXTERN uLong ZEXPORT adler32_combine64 OF((uLong, uLong, z_off_t));
|
||||
ZEXTERN uLong ZEXPORT crc32_combine64 OF((uLong, uLong, z_off_t));
|
||||
#endif
|
||||
|
Loading…
Reference in New Issue
Block a user