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Side by Side Diff: third_party/lzma_sdk/LzmaLib.c

Issue 1700453002: Update lzma_sdk sources to 15.14. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Chromium modifications Created 4 years, 10 months ago
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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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