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41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
/* LzmaLib.c -- LZMA library wrapper
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2015-06-13 : Igor Pavlov : Public domain */
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#include "Alloc.h"
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#include "LzmaDec.h"
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#include "LzmaEnc.h"
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#include "LzmaLib.h"
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MY_STDAPI LzmaCompress(unsigned char *dest, size_t *destLen, const unsigned char *src, size_t srcLen,
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unsigned char *outProps, size_t *outPropsSize,
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int level, /* 0 <= level <= 9, default = 5 */
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unsigned dictSize, /* use (1 << N) or (3 << N). 4 KB < dictSize <= 128 MB */
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int lc, /* 0 <= lc <= 8, default = 3 */
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int lp, /* 0 <= lp <= 4, default = 0 */
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int pb, /* 0 <= pb <= 4, default = 2 */
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int fb, /* 5 <= fb <= 273, default = 32 */
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int numThreads /* 1 or 2, default = 2 */
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)
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{
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CLzmaEncProps props;
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LzmaEncProps_Init(&props);
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props.level = level;
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props.dictSize = dictSize;
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props.lc = lc;
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props.lp = lp;
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props.pb = pb;
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props.fb = fb;
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props.numThreads = numThreads;
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return LzmaEncode(dest, destLen, src, srcLen, &props, outProps, outPropsSize, 0,
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NULL, &g_Alloc, &g_Alloc);
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}
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MY_STDAPI LzmaUncompress(unsigned char *dest, size_t *destLen, const unsigned char *src, size_t *srcLen,
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const unsigned char *props, size_t propsSize)
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{
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ELzmaStatus status;
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return LzmaDecode(dest, destLen, src, srcLen, props, (unsigned)propsSize, LZMA_FINISH_ANY, &status, &g_Alloc);
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}
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