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annotate libs/openctm/liblzma/LzmaLib.c @ 83:57e745dd13c2

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author John Tsiombikas <nuclear@member.fsf.org>
date Mon, 12 May 2014 07:22:52 +0300
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nuclear@14 1 /* LzmaLib.c -- LZMA library wrapper
nuclear@14 2 2008-08-05
nuclear@14 3 Igor Pavlov
nuclear@14 4 Public domain */
nuclear@14 5
nuclear@14 6 #include "LzmaEnc.h"
nuclear@14 7 #include "LzmaDec.h"
nuclear@14 8 #include "Alloc.h"
nuclear@14 9 #include "LzmaLib.h"
nuclear@14 10
nuclear@14 11 static void *SzAlloc(void *p, size_t size) { p = p; return MyAlloc(size); }
nuclear@14 12 static void SzFree(void *p, void *address) { p = p; MyFree(address); }
nuclear@14 13 static ISzAlloc g_Alloc = { SzAlloc, SzFree };
nuclear@14 14
nuclear@14 15 MY_STDAPI LzmaCompress(unsigned char *dest, size_t *destLen, const unsigned char *src, size_t srcLen,
nuclear@14 16 unsigned char *outProps, size_t *outPropsSize,
nuclear@14 17 int level, /* 0 <= level <= 9, default = 5 */
nuclear@14 18 unsigned dictSize, /* use (1 << N) or (3 << N). 4 KB < dictSize <= 128 MB */
nuclear@14 19 int lc, /* 0 <= lc <= 8, default = 3 */
nuclear@14 20 int lp, /* 0 <= lp <= 4, default = 0 */
nuclear@14 21 int pb, /* 0 <= pb <= 4, default = 2 */
nuclear@14 22 int fb, /* 5 <= fb <= 273, default = 32 */
nuclear@14 23 int numThreads, /* 1 or 2, default = 2 */
nuclear@14 24 int algo /* 0 = fast, 1 = normal */
nuclear@14 25 )
nuclear@14 26 {
nuclear@14 27 CLzmaEncProps props;
nuclear@14 28 LzmaEncProps_Init(&props);
nuclear@14 29 props.level = level;
nuclear@14 30 props.dictSize = dictSize;
nuclear@14 31 props.lc = lc;
nuclear@14 32 props.lp = lp;
nuclear@14 33 props.pb = pb;
nuclear@14 34 props.fb = fb;
nuclear@14 35 props.numThreads = numThreads;
nuclear@14 36 props.algo = algo;
nuclear@14 37
nuclear@14 38 return LzmaEncode(dest, destLen, src, srcLen, &props, outProps, outPropsSize, 0,
nuclear@14 39 NULL, &g_Alloc, &g_Alloc);
nuclear@14 40 }
nuclear@14 41
nuclear@14 42
nuclear@14 43 MY_STDAPI LzmaUncompress(unsigned char *dest, size_t *destLen, const unsigned char *src, size_t *srcLen,
nuclear@14 44 const unsigned char *props, size_t propsSize)
nuclear@14 45 {
nuclear@14 46 ELzmaStatus status;
nuclear@14 47 return LzmaDecode(dest, destLen, src, srcLen, props, (unsigned)propsSize, LZMA_FINISH_ANY, &status, &g_Alloc);
nuclear@14 48 }