third_party/lzma_sdk/Archive/7z/7zExtract.h - Issue 10152012: Second attempt to update lzma_sdk to 9.20

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Side by Side Diff: third_party/lzma_sdk/Archive/7z/7zExtract.h

Issue 10152012: Second attempt to update lzma_sdk to 9.20 (Closed) Base URL: http://git.chromium.org/chromium/src.git@master

Patch Set: Created 8 years, 8 months ago

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1 /* 7zExtract.h */

2

3 #ifndef __7Z_EXTRACT_H

4 #define __7Z_EXTRACT_H

5

6 #include "7zIn.h"

7

8 /*

9 SzExtract extracts file from archive

10

11 *outBuffer must be 0 before first call for each new archive.

12

13 Extracting cache:

14 If you need to decompress more than one file, you can send

15 these values from previous call:

16 *blockIndex,

17 *outBuffer,

18 *outBufferSize

19 You can consider "*outBuffer" as cache of solid block. If your archive is so lid,

20 it will increase decompression speed.

21

22 If you use external function, you can declare these 3 cache variables

23 (blockIndex, outBuffer, outBufferSize) as static in that external function.

24

25 Free outBuffer and set outBuffer to 0, if you want to flush cache.

26 */

27

28 SZ_RESULT SzExtract(

29 ISzInStream *inStream,

30 CArchiveDatabaseEx *db,

31 UInt32 fileIndex, /* index of file */

32 UInt32 blockIndex, / index of solid block */

33 Byte *outBuffer, / pointer to pointer to output buffer (allocated with allocMain) */

34 size_t outBufferSize, / buffer size for output buffer */

35 size_t offset, / offset of stream for required file in outBuffe r /

36 size_t outSizeProcessed, / size of file in outBuffer /

37 ISzAlloc *allocMain,

38 ISzAlloc *allocTemp);

39

40 #endif

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