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| author | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2022-02-09 23:47:25 +0100 |
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| committer | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2022-02-10 01:21:17 +0100 |
| commit | 1ef05f24e28938c7a0608b4c6b369094d1dccaa6 (patch) | |
| tree | 680a5b679c78cd999045abf207bfc7363aa1d9b9 /src/Common/lzma/LzmaLib.c | |
| parent | 302dc37fb9baa45c5864af533664c4139e209590 (diff) | |
| download | VeraCrypt-1ef05f24e28938c7a0608b4c6b369094d1dccaa6.tar.gz VeraCrypt-1ef05f24e28938c7a0608b4c6b369094d1dccaa6.zip | |
Windows: Reduce the size of installers by almost 50% by using LZMA compression instead of DEFLATE
Diffstat (limited to 'src/Common/lzma/LzmaLib.c')
| -rw-r--r-- | src/Common/lzma/LzmaLib.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/Common/lzma/LzmaLib.c b/src/Common/lzma/LzmaLib.c new file mode 100644 index 00000000..706e9e58 --- /dev/null +++ b/src/Common/lzma/LzmaLib.c @@ -0,0 +1,40 @@ +/* LzmaLib.c -- LZMA library wrapper +2015-06-13 : Igor Pavlov : Public domain */ + +#include "Alloc.h" +#include "LzmaDec.h" +#include "LzmaEnc.h" +#include "LzmaLib.h" + +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); +} |