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author | Igor Pavlov <87184205+ip7z@users.noreply.github.com> | 2021-12-27 00:00:00 +0000 |
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committer | Igor Pavlov <87184205+ip7z@users.noreply.github.com> | 2022-03-18 15:35:13 +0500 |
commit | f19f813537c7aea1c20749c914e756b54a9c3cf5 (patch) | |
tree | 816ba62ca7c0fa19f2eb46d9e9d6f7dd7c3a744d /C/LzmaLib.c | |
parent | 98e06a519b63b81986abe76d28887f6984a7732b (diff) | |
download | 7zip-21.07.tar.gz 7zip-21.07.tar.bz2 7zip-21.07.zip |
'21.07'21.07
Diffstat (limited to 'C/LzmaLib.c')
-rw-r--r-- | C/LzmaLib.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/C/LzmaLib.c b/C/LzmaLib.c new file mode 100644 index 0000000..706e9e5 --- /dev/null +++ b/C/LzmaLib.c | |||
@@ -0,0 +1,40 @@ | |||
1 | /* LzmaLib.c -- LZMA library wrapper | ||
2 | 2015-06-13 : Igor Pavlov : Public domain */ | ||
3 | |||
4 | #include "Alloc.h" | ||
5 | #include "LzmaDec.h" | ||
6 | #include "LzmaEnc.h" | ||
7 | #include "LzmaLib.h" | ||
8 | |||
9 | MY_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 | |||
35 | MY_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 | } | ||