56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
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/* 7zIn.h */
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#ifndef __7Z_IN_H
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#define __7Z_IN_H
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#include "7zHeader.h"
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#include "7zItem.h"
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#include "7zAlloc.h"
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typedef struct _CInArchiveInfo
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{
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CFileSize StartPositionAfterHeader;
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CFileSize DataStartPosition;
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}CInArchiveInfo;
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typedef struct _CArchiveDatabaseEx
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{
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CArchiveDatabase Database;
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CInArchiveInfo ArchiveInfo;
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UInt32 *FolderStartPackStreamIndex;
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CFileSize *PackStreamStartPositions;
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UInt32 *FolderStartFileIndex;
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UInt32 *FileIndexToFolderIndexMap;
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}CArchiveDatabaseEx;
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void SzArDbExInit(CArchiveDatabaseEx *db);
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void SzArDbExFree(CArchiveDatabaseEx *db, void (*freeFunc)(void *));
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CFileSize SzArDbGetFolderStreamPos(CArchiveDatabaseEx *db, UInt32 folderIndex, UInt32 indexInFolder);
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CFileSize SzArDbGetFolderFullPackSize(CArchiveDatabaseEx *db, UInt32 folderIndex);
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typedef struct _ISzInStream
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{
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#ifdef _LZMA_IN_CB
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SZ_RESULT (*Read)(
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void *object, /* pointer to ISzInStream itself */
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void **buffer, /* out: pointer to buffer with data */
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size_t maxRequiredSize, /* max required size to read */
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size_t *processedSize); /* real processed size.
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processedSize can be less than maxRequiredSize.
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If processedSize == 0, then there are no more
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bytes in stream. */
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#else
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SZ_RESULT (*Read)(void *object, void *buffer, size_t size, size_t *processedSize);
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#endif
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SZ_RESULT (*Seek)(void *object, CFileSize pos);
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} ISzInStream;
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int SzArchiveOpen(
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ISzInStream *inStream,
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CArchiveDatabaseEx *db,
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ISzAlloc *allocMain,
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ISzAlloc *allocTemp);
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#endif
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