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1 /* LzmaLib.c -- LZMA library wrapper | 1 /* LzmaLib.c -- LZMA library wrapper |
2 2008-08-05 | 2 2015-06-13 : Igor Pavlov : Public domain */ |
3 Igor Pavlov | |
4 Public domain */ | |
5 | 3 |
| 4 #include "Alloc.h" |
| 5 #include "LzmaDec.h" |
6 #include "LzmaEnc.h" | 6 #include "LzmaEnc.h" |
7 #include "LzmaDec.h" | |
8 #include "Alloc.h" | |
9 #include "LzmaLib.h" | 7 #include "LzmaLib.h" |
10 | 8 |
11 static void *SzAlloc(void *p, size_t size) { p = p; return MyAlloc(size); } | 9 MY_STDAPI LzmaCompress(unsigned char *dest, size_t *destLen, const unsigned char
*src, size_t srcLen, |
12 static void SzFree(void *p, void *address) { p = p; MyFree(address); } | |
13 static ISzAlloc g_Alloc = { SzAlloc, SzFree }; | |
14 | |
15 MY_STDAPI LzmaCompress(unsigned char *dest, size_t *destLen, const unsigned cha
r *src, size_t srcLen, | |
16 unsigned char *outProps, size_t *outPropsSize, | 10 unsigned char *outProps, size_t *outPropsSize, |
17 int level, /* 0 <= level <= 9, default = 5 */ | 11 int level, /* 0 <= level <= 9, default = 5 */ |
18 unsigned dictSize, /* use (1 << N) or (3 << N). 4 KB < dictSize <= 128 MB */ | 12 unsigned dictSize, /* use (1 << N) or (3 << N). 4 KB < dictSize <= 128 MB */ |
19 int lc, /* 0 <= lc <= 8, default = 3 */ | 13 int lc, /* 0 <= lc <= 8, default = 3 */ |
20 int lp, /* 0 <= lp <= 4, default = 0 */ | 14 int lp, /* 0 <= lp <= 4, default = 0 */ |
21 int pb, /* 0 <= pb <= 4, default = 2 */ | 15 int pb, /* 0 <= pb <= 4, default = 2 */ |
22 int fb, /* 5 <= fb <= 273, default = 32 */ | 16 int fb, /* 5 <= fb <= 273, default = 32 */ |
23 int numThreads /* 1 or 2, default = 2 */ | 17 int numThreads /* 1 or 2, default = 2 */ |
24 ) | 18 ) |
25 { | 19 { |
26 CLzmaEncProps props; | 20 CLzmaEncProps props; |
27 LzmaEncProps_Init(&props); | 21 LzmaEncProps_Init(&props); |
28 props.level = level; | 22 props.level = level; |
29 props.dictSize = dictSize; | 23 props.dictSize = dictSize; |
30 props.lc = lc; | 24 props.lc = lc; |
31 props.lp = lp; | 25 props.lp = lp; |
32 props.pb = pb; | 26 props.pb = pb; |
33 props.fb = fb; | 27 props.fb = fb; |
34 props.numThreads = numThreads; | 28 props.numThreads = numThreads; |
35 | 29 |
36 return LzmaEncode(dest, destLen, src, srcLen, &props, outProps, outPropsSize,
0, | 30 return LzmaEncode(dest, destLen, src, srcLen, &props, outProps, outPropsSize,
0, |
37 NULL, &g_Alloc, &g_Alloc); | 31 NULL, &g_Alloc, &g_Alloc); |
38 } | 32 } |
39 | 33 |
40 | 34 |
41 MY_STDAPI LzmaUncompress(unsigned char *dest, size_t *destLen, const unsigned c
har *src, size_t *srcLen, | 35 MY_STDAPI LzmaUncompress(unsigned char *dest, size_t *destLen, const unsigned ch
ar *src, size_t *srcLen, |
42 const unsigned char *props, size_t propsSize) | 36 const unsigned char *props, size_t propsSize) |
43 { | 37 { |
44 ELzmaStatus status; | 38 ELzmaStatus status; |
45 return LzmaDecode(dest, destLen, src, srcLen, props, (unsigned)propsSize, LZMA
_FINISH_ANY, &status, &g_Alloc); | 39 return LzmaDecode(dest, destLen, src, srcLen, props, (unsigned)propsSize, LZMA
_FINISH_ANY, &status, &g_Alloc); |
46 } | 40 } |
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