/* LzmaLib.c -- LZMA library wrapper 2008-08-05 Igor Pavlov Public domain */ #include "LzmaEnc.h" #include "LzmaDec.h" #include "Alloc.h" #include "LzmaLib.h" static void *SzAlloc(void *p, size_t size) { p = p; return MyAlloc(size); } static void SzFree(void *p, void *address) { p = p; MyFree(address); } static ISzAlloc g_Alloc = { SzAlloc, SzFree }; MY_STDAPI LzmaCompress(unsigned char *dest, size_t *destLen, const unsigned char *src, size_t srcLen, unsigned char *outProps, size_t *outPropsSize, int level, /* 0 <= level <= 9, default = 5 */ unsigned dictSize, /* use (1 << N) or (3 << N). 4 KB < dictSize <= 128 MB */ int lc, /* 0 <= lc <= 8, default = 3 */ int lp, /* 0 <= lp <= 4, default = 0 */ int pb, /* 0 <= pb <= 4, default = 2 */ int fb, /* 5 <= fb <= 273, default = 32 */ int numThreads /* 1 or 2, default = 2 */ ) { CLzmaEncProps props; LzmaEncProps_Init(&props); props.level = level; props.dictSize = dictSize; props.lc = lc; props.lp = lp; props.pb = pb; props.fb = fb; props.numThreads = numThreads; return LzmaEncode(dest, destLen, src, srcLen, &props, outProps, outPropsSize, 0, NULL, &g_Alloc, &g_Alloc); } MY_STDAPI LzmaUncompress(unsigned char *dest, size_t *destLen, const unsigned char *src, size_t *srcLen, const unsigned char *props, size_t propsSize) { ELzmaStatus status; return LzmaDecode(dest, destLen, src, srcLen, props, (unsigned)propsSize, LZMA_FINISH_ANY, &status, &g_Alloc); }