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Issue 658573004: Updating to new OTS repo from https://github.com/khaledhosny/ots.git (Closed) Base URL: https://chromium.googlesource.com/external/ots@master
Patch Set: Adding Colored Emoji changes from external/git repo Created 6 years, 2 months ago
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1 /* LzmaLib.c -- LZMA library wrapper
2 2008-08-05
3 Igor Pavlov
4 Public domain
5 in the public domain */
6
7 #include "LzmaEnc.h"
8 #include "LzmaDec.h"
9 #include "Alloc.h"
10 #include "LzmaLib.h"
11
12 static void *SzAlloc(void *p, size_t size) { p = p; return MyAlloc(size); }
13 static void SzFree(void *p, void *address) { p = p; MyFree(address); }
14 static ISzAlloc g_Alloc = { SzAlloc, SzFree };
15
16 MY_STDAPI LzmaCompress(unsigned char *dest, size_t *destLen, const unsigned cha r *src, size_t srcLen,
17 unsigned char *outProps, size_t *outPropsSize,
18 int level, /* 0 <= level <= 9, default = 5 */
19 unsigned dictSize, /* use (1 << N) or (3 << N). 4 KB < dictSize <= 128 MB */
20 int lc, /* 0 <= lc <= 8, default = 3 */
21 int lp, /* 0 <= lp <= 4, default = 0 */
22 int pb, /* 0 <= pb <= 4, default = 2 */
23 int fb, /* 5 <= fb <= 273, default = 32 */
24 int numThreads /* 1 or 2, default = 2 */
25 )
26 {
27 CLzmaEncProps props;
28 LzmaEncProps_Init(&props);
29 props.level = level;
30 props.dictSize = dictSize;
31 props.lc = lc;
32 props.lp = lp;
33 props.pb = pb;
34 props.fb = fb;
35 props.numThreads = numThreads;
36
37 return LzmaEncode(dest, destLen, src, srcLen, &props, outProps, outPropsSize, 0,
38 NULL, &g_Alloc, &g_Alloc);
39 }
40
41
42 MY_STDAPI LzmaUncompress(unsigned char *dest, size_t *destLen, const unsigned c har *src, size_t *srcLen,
43 const unsigned char *props, size_t propsSize)
44 {
45 ELzmaStatus status;
46 return LzmaDecode(dest, destLen, src, srcLen, props, (unsigned)propsSize, LZMA _FINISH_ANY, &status, &g_Alloc);
47 }
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