You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
46 lines
1.4 KiB
46 lines
1.4 KiB
/* 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); |
|
}
|
|
|