nuclear@14: /* LzmaLib.c -- LZMA library wrapper
nuclear@14: 2008-08-05
nuclear@14: Igor Pavlov
nuclear@14: Public domain */
nuclear@14: 
nuclear@14: #include "LzmaEnc.h"
nuclear@14: #include "LzmaDec.h"
nuclear@14: #include "Alloc.h"
nuclear@14: #include "LzmaLib.h"
nuclear@14: 
nuclear@14: static void *SzAlloc(void *p, size_t size) { p = p; return MyAlloc(size); }
nuclear@14: static void SzFree(void *p, void *address) { p = p; MyFree(address); }
nuclear@14: static ISzAlloc g_Alloc = { SzAlloc, SzFree };
nuclear@14: 
nuclear@14: MY_STDAPI LzmaCompress(unsigned char *dest, size_t  *destLen, const unsigned char *src, size_t  srcLen,
nuclear@14:   unsigned char *outProps, size_t *outPropsSize,
nuclear@14:   int level, /* 0 <= level <= 9, default = 5 */
nuclear@14:   unsigned dictSize, /* use (1 << N) or (3 << N). 4 KB < dictSize <= 128 MB */
nuclear@14:   int lc, /* 0 <= lc <= 8, default = 3  */
nuclear@14:   int lp, /* 0 <= lp <= 4, default = 0  */
nuclear@14:   int pb, /* 0 <= pb <= 4, default = 2  */
nuclear@14:   int fb,  /* 5 <= fb <= 273, default = 32 */
nuclear@14:   int numThreads, /* 1 or 2, default = 2 */
nuclear@14:   int algo /* 0 = fast, 1 = normal */
nuclear@14: )
nuclear@14: {
nuclear@14:   CLzmaEncProps props;
nuclear@14:   LzmaEncProps_Init(&props);
nuclear@14:   props.level = level;
nuclear@14:   props.dictSize = dictSize;
nuclear@14:   props.lc = lc;
nuclear@14:   props.lp = lp;
nuclear@14:   props.pb = pb;
nuclear@14:   props.fb = fb;
nuclear@14:   props.numThreads = numThreads;
nuclear@14:   props.algo = algo;
nuclear@14: 
nuclear@14:   return LzmaEncode(dest, destLen, src, srcLen, &props, outProps, outPropsSize, 0,
nuclear@14:       NULL, &g_Alloc, &g_Alloc);
nuclear@14: }
nuclear@14: 
nuclear@14: 
nuclear@14: MY_STDAPI LzmaUncompress(unsigned char *dest, size_t  *destLen, const unsigned char *src, size_t  *srcLen,
nuclear@14:   const unsigned char *props, size_t propsSize)
nuclear@14: {
nuclear@14:   ELzmaStatus status;
nuclear@14:   return LzmaDecode(dest, destLen, src, srcLen, props, (unsigned)propsSize, LZMA_FINISH_ANY, &status, &g_Alloc);
nuclear@14: }