| 1 | /* compress.c -- compress a memory buffer
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| 2 | * Copyright (C) 1995-2003 Jean-loup Gailly.
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| 3 | * For conditions of distribution and use, see copyright notice in zlib.h
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| 4 | */
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| 5 |
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| 6 | /* @(#) $Id$ */
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| 7 |
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| 8 | #define ZLIB_INTERNAL
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| 9 | #include "zlib.h"
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| 10 |
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| 11 | /* ===========================================================================
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| 12 | Compresses the source buffer into the destination buffer. The level
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| 13 | parameter has the same meaning as in deflateInit. sourceLen is the byte
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| 14 | length of the source buffer. Upon entry, destLen is the total size of the
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| 15 | destination buffer, which must be at least 0.1% larger than sourceLen plus
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| 16 | 12 bytes. Upon exit, destLen is the actual size of the compressed buffer.
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| 17 |
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| 18 | compress2 returns Z_OK if success, Z_MEM_ERROR if there was not enough
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| 19 | memory, Z_BUF_ERROR if there was not enough room in the output buffer,
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| 20 | Z_STREAM_ERROR if the level parameter is invalid.
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| 21 | */
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| 22 | int ZEXPORT compress2 (dest, destLen, source, sourceLen, level)
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| 23 | Bytef *dest;
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| 24 | uLongf *destLen;
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| 25 | const Bytef *source;
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| 26 | uLong sourceLen;
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| 27 | int level;
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| 28 | {
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| 29 | z_stream stream;
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| 30 | int err;
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| 31 |
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| 32 | stream.next_in = (Bytef*)source;
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| 33 | stream.avail_in = (uInt)sourceLen;
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