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BUILD: Refactor 7zlib (#10222)
* relocate 7z files * fix MSVC build * fix cmake build
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88 changed files with 219 additions and 217 deletions
202
3rdparty/7z/src/7z.h
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202
3rdparty/7z/src/7z.h
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/* 7z.h -- 7z interface
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2017-04-03 : Igor Pavlov : Public domain */
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#ifndef __7Z_H
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#define __7Z_H
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#include "7zTypes.h"
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EXTERN_C_BEGIN
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#define k7zStartHeaderSize 0x20
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#define k7zSignatureSize 6
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extern const Byte k7zSignature[k7zSignatureSize];
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typedef struct
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{
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const Byte *Data;
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size_t Size;
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} CSzData;
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/* CSzCoderInfo & CSzFolder support only default methods */
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typedef struct
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{
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size_t PropsOffset;
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UInt32 MethodID;
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Byte NumStreams;
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Byte PropsSize;
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} CSzCoderInfo;
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typedef struct
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{
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UInt32 InIndex;
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UInt32 OutIndex;
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} CSzBond;
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#define SZ_NUM_CODERS_IN_FOLDER_MAX 4
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#define SZ_NUM_BONDS_IN_FOLDER_MAX 3
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#define SZ_NUM_PACK_STREAMS_IN_FOLDER_MAX 4
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typedef struct
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{
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UInt32 NumCoders;
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UInt32 NumBonds;
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UInt32 NumPackStreams;
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UInt32 UnpackStream;
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UInt32 PackStreams[SZ_NUM_PACK_STREAMS_IN_FOLDER_MAX];
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CSzBond Bonds[SZ_NUM_BONDS_IN_FOLDER_MAX];
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CSzCoderInfo Coders[SZ_NUM_CODERS_IN_FOLDER_MAX];
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} CSzFolder;
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SRes SzGetNextFolderItem(CSzFolder *f, CSzData *sd);
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typedef struct
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{
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UInt32 Low;
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UInt32 High;
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} CNtfsFileTime;
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typedef struct
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{
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Byte *Defs; /* MSB 0 bit numbering */
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UInt32 *Vals;
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} CSzBitUi32s;
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typedef struct
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{
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Byte *Defs; /* MSB 0 bit numbering */
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// UInt64 *Vals;
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CNtfsFileTime *Vals;
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} CSzBitUi64s;
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#define SzBitArray_Check(p, i) (((p)[(i) >> 3] & (0x80 >> ((i) & 7))) != 0)
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#define SzBitWithVals_Check(p, i) ((p)->Defs && ((p)->Defs[(i) >> 3] & (0x80 >> ((i) & 7))) != 0)
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typedef struct
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{
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UInt32 NumPackStreams;
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UInt32 NumFolders;
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UInt64 *PackPositions; // NumPackStreams + 1
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CSzBitUi32s FolderCRCs; // NumFolders
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size_t *FoCodersOffsets; // NumFolders + 1
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UInt32 *FoStartPackStreamIndex; // NumFolders + 1
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UInt32 *FoToCoderUnpackSizes; // NumFolders + 1
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Byte *FoToMainUnpackSizeIndex; // NumFolders
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UInt64 *CoderUnpackSizes; // for all coders in all folders
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Byte *CodersData;
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} CSzAr;
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UInt64 SzAr_GetFolderUnpackSize(const CSzAr *p, UInt32 folderIndex);
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SRes SzAr_DecodeFolder(const CSzAr *p, UInt32 folderIndex,
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ILookInStream *stream, UInt64 startPos,
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Byte *outBuffer, size_t outSize,
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ISzAllocPtr allocMain);
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typedef struct
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{
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CSzAr db;
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UInt64 startPosAfterHeader;
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UInt64 dataPos;
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UInt32 NumFiles;
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UInt64 *UnpackPositions; // NumFiles + 1
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// Byte *IsEmptyFiles;
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Byte *IsDirs;
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CSzBitUi32s CRCs;
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CSzBitUi32s Attribs;
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// CSzBitUi32s Parents;
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CSzBitUi64s MTime;
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CSzBitUi64s CTime;
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UInt32 *FolderToFile; // NumFolders + 1
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UInt32 *FileToFolder; // NumFiles
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size_t *FileNameOffsets; /* in 2-byte steps */
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Byte *FileNames; /* UTF-16-LE */
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} CSzArEx;
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#define SzArEx_IsDir(p, i) (SzBitArray_Check((p)->IsDirs, i))
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#define SzArEx_GetFileSize(p, i) ((p)->UnpackPositions[(i) + 1] - (p)->UnpackPositions[i])
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void SzArEx_Init(CSzArEx *p);
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void SzArEx_Free(CSzArEx *p, ISzAllocPtr alloc);
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UInt64 SzArEx_GetFolderStreamPos(const CSzArEx *p, UInt32 folderIndex, UInt32 indexInFolder);
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int SzArEx_GetFolderFullPackSize(const CSzArEx *p, UInt32 folderIndex, UInt64 *resSize);
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/*
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if dest == NULL, the return value specifies the required size of the buffer,
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in 16-bit characters, including the null-terminating character.
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if dest != NULL, the return value specifies the number of 16-bit characters that
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are written to the dest, including the null-terminating character. */
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size_t SzArEx_GetFileNameUtf16(const CSzArEx *p, size_t fileIndex, UInt16 *dest);
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/*
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size_t SzArEx_GetFullNameLen(const CSzArEx *p, size_t fileIndex);
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UInt16 *SzArEx_GetFullNameUtf16_Back(const CSzArEx *p, size_t fileIndex, UInt16 *dest);
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*/
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/*
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SzArEx_Extract extracts file from archive
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*outBuffer must be 0 before first call for each new archive.
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Extracting cache:
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If you need to decompress more than one file, you can send
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these values from previous call:
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*blockIndex,
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*outBuffer,
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*outBufferSize
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You can consider "*outBuffer" as cache of solid block. If your archive is solid,
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it will increase decompression speed.
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If you use external function, you can declare these 3 cache variables
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(blockIndex, outBuffer, outBufferSize) as static in that external function.
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Free *outBuffer and set *outBuffer to 0, if you want to flush cache.
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*/
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SRes SzArEx_Extract(
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const CSzArEx *db,
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ILookInStream *inStream,
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UInt32 fileIndex, /* index of file */
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UInt32 *blockIndex, /* index of solid block */
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Byte **outBuffer, /* pointer to pointer to output buffer (allocated with allocMain) */
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size_t *outBufferSize, /* buffer size for output buffer */
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size_t *offset, /* offset of stream for required file in *outBuffer */
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size_t *outSizeProcessed, /* size of file in *outBuffer */
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ISzAllocPtr allocMain,
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ISzAllocPtr allocTemp);
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/*
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SzArEx_Open Errors:
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SZ_ERROR_NO_ARCHIVE
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SZ_ERROR_ARCHIVE
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SZ_ERROR_UNSUPPORTED
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SZ_ERROR_MEM
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SZ_ERROR_CRC
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SZ_ERROR_INPUT_EOF
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SZ_ERROR_FAIL
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*/
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SRes SzArEx_Open(CSzArEx *p, ILookInStream *inStream,
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ISzAllocPtr allocMain, ISzAllocPtr allocTemp);
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EXTERN_C_END
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#endif
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