34db30b2ce
reduce code overhead associated with managing the stack git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@694 212acab6-be3b-0410-9dea-997c60f758d6
155 lines
4.9 KiB
C
155 lines
4.9 KiB
C
/*
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Note: this version of zlib has been hacked up quite a bit in order to reduce
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the size of the EXE header and to remove what we didn't need.
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For the complete real thing, go to:
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http://www.info-zip.org/pub/infozip/zlib/
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Peace,
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-Justin
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*/
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/* zlib.h -- interface of the 'zlib' general purpose compression library
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version 1.1.3, July 9th, 1998
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Copyright (C) 1995-1998 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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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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Jean-loup Gailly Mark Adler
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jloup@gzip.org madler@alumni.caltech.edu
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*/
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#ifndef _ZLIB_H
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#define _ZLIB_H
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#include "zconf.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct internal_state;
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typedef struct z_stream_s {
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Bytef *next_in; /* next input byte */
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uInt avail_in; /* number of bytes available at next_in */
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uLong total_in; /* total nb of input bytes read so far */
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Bytef *next_out; /* next output byte should be put there */
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uInt avail_out; /* remaining free space at next_out */
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uLong total_out; /* total nb of bytes output so far */
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// char *msg; /* last error message, NULL if no error */
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struct internal_state FAR *state; /* not visible by applications */
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} z_stream;
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typedef z_stream FAR *z_streamp;
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#define Z_NO_FLUSH 0
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#define Z_PARTIAL_FLUSH 1 /* will be removed, use Z_SYNC_FLUSH instead */
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#define Z_SYNC_FLUSH 2
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#define Z_FULL_FLUSH 3
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#define Z_FINISH 4
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/* Allowed flush values; see deflate() below for details */
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#define Z_OK 0
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#define Z_STREAM_END 1
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#define Z_NEED_DICT 2
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#define Z_ERRNO (-1)
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#define Z_STREAM_ERROR (-2)
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#define Z_DATA_ERROR (-3)
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#define Z_MEM_ERROR (-4)
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#define Z_BUF_ERROR (-5)
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#define Z_VERSION_ERROR (-6)
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/* Return codes for the compression/decompression functions. Negative
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* values are errors, positive values are used for special but normal events.
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*/
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#define Z_NO_COMPRESSION 0
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#define Z_BEST_SPEED 1
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#define Z_BEST_COMPRESSION 9
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#define Z_DEFAULT_COMPRESSION (-1)
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/* compression levels */
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#define Z_FILTERED 1
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#define Z_HUFFMAN_ONLY 2
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#define Z_DEFAULT_STRATEGY 0
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/* compression strategy; see deflateInit2() below for details */
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#define Z_BINARY 0
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#define Z_ASCII 1
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#define Z_UNKNOWN 2
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/* Possible values of the data_type field */
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#define Z_DEFLATED 8
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/* The deflate compression method (the only one supported in this version) */
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#define Z_NULL 0 /* for initializing zalloc, zfree, opaque */
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ZEXTERN int ZEXPORT deflate OF((z_streamp strm, int flush));
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ZEXTERN int ZEXPORT deflateEnd OF((z_streamp strm));
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ZEXTERN int ZEXPORT inflateInit OF((z_streamp strm));
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int ZEXPORT inflate(z_streamp z);
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ZEXTERN int ZEXPORT inflateEnd OF((z_streamp strm));
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ZEXTERN int ZEXPORT deflateInit2 OF((z_streamp strm,
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int level,
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int method,
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int windowBits,
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int memLevel,
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int strategy));
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ZEXTERN int ZEXPORT deflateReset OF((z_streamp strm));
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int ZEXPORT inflateReset(z_streamp z);
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/* various hacks, don't look :) */
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/* deflateInit and inflateInit are macros to allow checking the zlib version
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* and the compiler's view of z_stream:
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*/
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ZEXTERN int ZEXPORT deflateInit_ OF((z_streamp strm, int level,
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const char *version, int stream_size));
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//ZEXTERN int ZEXPORT inflateInit_ OF((z_streamp strm,
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// const char *version, int stream_size));
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ZEXTERN int ZEXPORT deflateInit2_ OF((z_streamp strm, int level, int method,
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int windowBits, int memLevel,
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int strategy, const char *version,
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int stream_size));
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ZEXTERN int ZEXPORT inflateInit2_ OF((z_streamp strm, int windowBits,
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const char *version, int stream_size));
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#define deflateInit(strm, level) \
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deflateInit_((strm), (level), "", sizeof(z_stream))
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#ifdef __cplusplus
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}
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#endif
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#endif /* _ZLIB_H */
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