1/* LzmaLib.c -- LZMA library wrapper
 22015-06-13 : Igor Pavlov : Public domain */
 3
 4#include "Alloc.h"
 5#include "LzmaDec.h"
 6#include "LzmaEnc.h"
 7#include "LzmaLib.h"
 8
 9MY_STDAPI LzmaCompress(unsigned char *dest, size_t *destLen, const unsigned char *src, size_t srcLen,
10  unsigned char *outProps, size_t *outPropsSize,
11  int level, /* 0 <= level <= 9, default = 5 */
12  unsigned dictSize, /* use (1 << N) or (3 << N). 4 KB < dictSize <= 128 MB */
13  int lc, /* 0 <= lc <= 8, default = 3  */
14  int lp, /* 0 <= lp <= 4, default = 0  */
15  int pb, /* 0 <= pb <= 4, default = 2  */
16  int fb,  /* 5 <= fb <= 273, default = 32 */
17  int numThreads /* 1 or 2, default = 2 */
18)
19{
20  CLzmaEncProps props;
21  LzmaEncProps_Init(&props);
22  props.level = level;
23  props.dictSize = dictSize;
24  props.lc = lc;
25  props.lp = lp;
26  props.pb = pb;
27  props.fb = fb;
28  props.numThreads = numThreads;
29
30  return LzmaEncode(dest, destLen, src, srcLen, &props, outProps, outPropsSize, 0,
31      NULL, &g_Alloc, &g_Alloc);
32}
33
34
35MY_STDAPI LzmaUncompress(unsigned char *dest, size_t *destLen, const unsigned char *src, size_t *srcLen,
36  const unsigned char *props, size_t propsSize)
37{
38  ELzmaStatus status;
39  return LzmaDecode(dest, destLen, src, srcLen, props, (unsigned)propsSize, LZMA_FINISH_ANY, &status, &g_Alloc);
40}