misc/libphysfs/lzma/C/Archive/7z/7zIn.h
author nemo
Mon, 10 Apr 2017 12:06:43 -0400
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permissions -rw-r--r--
bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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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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int SzArDbGetFolderFullPackSize(CArchiveDatabaseEx *db, UInt32 folderIndex, CFileSize *resSize);
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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