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611 lines
27 KiB
611 lines
27 KiB
/*****************************************************************************/ |
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/* SFileGetFileInfo.cpp Copyright (c) Ladislav Zezula 2013 */ |
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/*---------------------------------------------------------------------------*/ |
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/* Description: */ |
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/*---------------------------------------------------------------------------*/ |
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/* Date Ver Who Comment */ |
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/* -------- ---- --- ------- */ |
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/* 30.11.13 1.00 Lad The first version of SFileGetFileInfo.cpp */ |
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/*****************************************************************************/ |
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#define __STORMLIB_SELF__ |
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#include "StormLib.h" |
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#include "StormCommon.h" |
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//----------------------------------------------------------------------------- |
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// Local functions |
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|
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static DWORD GetMpqFileCount(TMPQArchive * ha) |
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{ |
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TFileEntry * pFileTableEnd; |
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TFileEntry * pFileEntry; |
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DWORD dwFileCount = 0; |
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|
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// Go through all open MPQs, including patches |
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while(ha != NULL) |
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{ |
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// Only count files that are not patch files |
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pFileTableEnd = ha->pFileTable + ha->dwFileTableSize; |
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for(pFileEntry = ha->pFileTable; pFileEntry < pFileTableEnd; pFileEntry++) |
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{ |
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// If the file is patch file and this is not primary archive, skip it |
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// BUGBUG: This errorneously counts non-patch files that are in both |
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// base MPQ and in patches, and increases the number of files by cca 50% |
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if((pFileEntry->dwFlags & (MPQ_FILE_EXISTS | MPQ_FILE_PATCH_FILE)) == MPQ_FILE_EXISTS) |
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dwFileCount++; |
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} |
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// Move to the next patch archive |
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ha = ha->haPatch; |
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} |
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return dwFileCount; |
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} |
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static bool GetInfo_ReturnError(DWORD dwErrCode) |
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{ |
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SetLastError(dwErrCode); |
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return false; |
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} |
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static bool GetInfo_BufferCheck(void * pvFileInfo, DWORD cbFileInfo, DWORD cbData, LPDWORD pcbLengthNeeded) |
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{ |
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// Give the length needed to store the info |
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if(pcbLengthNeeded != NULL) |
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pcbLengthNeeded[0] = cbData; |
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|
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// Check for sufficient buffer |
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if(cbData > cbFileInfo) |
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return GetInfo_ReturnError(ERROR_INSUFFICIENT_BUFFER); |
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// If the buffer size is sufficient, check for valid user buffer |
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if(pvFileInfo == NULL) |
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return GetInfo_ReturnError(ERROR_INVALID_PARAMETER); |
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// Buffers and sizes are OK, we are ready to proceed file copying |
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return true; |
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} |
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static bool GetInfo(void * pvFileInfo, DWORD cbFileInfo, const void * pvData, DWORD cbData, LPDWORD pcbLengthNeeded) |
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{ |
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// Verify buffer pointer and buffer size |
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if(!GetInfo_BufferCheck(pvFileInfo, cbFileInfo, cbData, pcbLengthNeeded)) |
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return false; |
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// Copy the data to the caller-supplied buffer |
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memcpy(pvFileInfo, pvData, cbData); |
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return true; |
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} |
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static bool GetInfo_Allocated(void * pvFileInfo, DWORD cbFileInfo, void * pvData, DWORD cbData, LPDWORD pcbLengthNeeded) |
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{ |
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bool bResult; |
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// Verify buffer pointer and buffer size |
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if((bResult = GetInfo_BufferCheck(pvFileInfo, cbFileInfo, cbData, pcbLengthNeeded)) != false) |
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memcpy(pvFileInfo, pvData, cbData); |
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// Copy the data to the user buffer |
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STORM_FREE(pvData); |
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return bResult; |
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} |
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static bool GetInfo_TablePointer(void * pvFileInfo, DWORD cbFileInfo, void * pvTablePointer, SFileInfoClass InfoClass, LPDWORD pcbLengthNeeded) |
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{ |
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// Verify buffer pointer and buffer size |
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if(!GetInfo_BufferCheck(pvFileInfo, cbFileInfo, sizeof(void *), pcbLengthNeeded)) |
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{ |
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#ifdef FULL |
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SFileFreeFileInfo(pvTablePointer, InfoClass); |
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#endif // FULL |
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return false; |
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} |
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// The user buffer receives pointer to the table. |
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// When done, the caller needs to call SFileFreeFileInfo on it |
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*(void **)pvFileInfo = pvTablePointer; |
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return true; |
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} |
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static bool GetInfo_ReadFromFile(void * pvFileInfo, DWORD cbFileInfo, TFileStream * pStream, ULONGLONG ByteOffset, DWORD cbData, LPDWORD pcbLengthNeeded) |
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{ |
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// Verify buffer pointer and buffer size |
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if(!GetInfo_BufferCheck(pvFileInfo, cbFileInfo, cbData, pcbLengthNeeded)) |
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return false; |
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return FileStream_Read(pStream, &ByteOffset, pvFileInfo, cbData); |
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} |
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static bool GetInfo_FileEntry(void * pvFileInfo, DWORD cbFileInfo, TFileEntry * pFileEntry, LPDWORD pcbLengthNeeded) |
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{ |
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LPBYTE pbFileInfo = (LPBYTE)pvFileInfo; |
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DWORD cbSrcFileInfo = sizeof(TFileEntry); |
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DWORD cbFileName = 1; |
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// The file name belongs to the file entry |
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if(pFileEntry->szFileName) |
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cbFileName = (DWORD)strlen(pFileEntry->szFileName) + 1; |
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cbSrcFileInfo += cbFileName; |
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// Verify buffer pointer and buffer size |
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if(!GetInfo_BufferCheck(pvFileInfo, cbFileInfo, cbSrcFileInfo, pcbLengthNeeded)) |
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return false; |
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// Copy the file entry |
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memcpy(pbFileInfo, pFileEntry, sizeof(TFileEntry)); |
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pbFileInfo += sizeof(TFileEntry); |
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pbFileInfo[0] = 0; |
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// Copy the file name |
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if(pFileEntry->szFileName) |
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memcpy(pbFileInfo, pFileEntry->szFileName, cbFileName); |
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return true; |
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} |
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static bool GetInfo_PatchChain(TMPQFile * hf, void * pvFileInfo, DWORD cbFileInfo, LPDWORD pcbLengthNeeded) |
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{ |
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TMPQFile * hfTemp; |
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LPCTSTR szPatchName; |
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LPTSTR szFileInfo = (LPTSTR)pvFileInfo; |
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size_t cchCharsNeeded = 1; |
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size_t nLength; |
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// Patch chain is only supported on MPQ files. Local files are not supported. |
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if(hf->pStream != NULL) |
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return GetInfo_ReturnError(ERROR_INVALID_PARAMETER); |
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// Calculate the necessary length of the multi-string |
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for(hfTemp = hf; hfTemp != NULL; hfTemp = hfTemp->hfPatch) |
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cchCharsNeeded += _tcslen(FileStream_GetFileName(hfTemp->ha->pStream)) + 1; |
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// Verify whether the caller gave us valid buffer with enough size |
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if(!GetInfo_BufferCheck(pvFileInfo, cbFileInfo, (DWORD)(cchCharsNeeded * sizeof(TCHAR)), pcbLengthNeeded)) |
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return false; |
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// Copy each patch name |
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for(hfTemp = hf; hfTemp != NULL; hfTemp = hfTemp->hfPatch) |
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{ |
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// Get the file name and its length |
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szPatchName = FileStream_GetFileName(hfTemp->ha->pStream); |
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nLength = _tcslen(szPatchName) + 1; |
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// Copy the file name |
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memcpy(szFileInfo, szPatchName, nLength * sizeof(TCHAR)); |
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szFileInfo += nLength; |
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} |
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// Make it multi-string |
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szFileInfo[0] = 0; |
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return true; |
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} |
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//----------------------------------------------------------------------------- |
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// Retrieves an information about an archive or about a file within the archive |
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// |
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// hMpqOrFile - Handle to an MPQ archive or to a file |
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// InfoClass - Information to obtain |
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// pvFileInfo - Pointer to buffer to store the information |
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// cbFileInfo - Size of the buffer pointed by pvFileInfo |
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// pcbLengthNeeded - Receives number of bytes necessary to store the information |
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bool WINAPI SFileGetFileInfo( |
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HANDLE hMpqOrFile, |
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SFileInfoClass InfoClass, |
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void * pvFileInfo, |
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DWORD cbFileInfo, |
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LPDWORD pcbLengthNeeded) |
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{ |
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MPQ_SIGNATURE_INFO SignatureInfo; |
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const TCHAR * szSrcFileInfo; |
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TMPQArchive * ha = NULL; |
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TFileEntry * pFileEntry = NULL; |
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TMPQHeader * pHeader = NULL; |
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ULONGLONG Int64Value = 0; |
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TMPQFile * hf = NULL; |
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void * pvSrcFileInfo = NULL; |
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DWORD cbSrcFileInfo = 0; |
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DWORD dwInt32Value = 0; |
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// Validate archive/file handle |
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if((int)InfoClass <= (int)SFileMpqFlags) |
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{ |
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if((ha = IsValidMpqHandle(hMpqOrFile)) == NULL) |
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return GetInfo_ReturnError(ERROR_INVALID_HANDLE); |
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pHeader = ha->pHeader; |
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} |
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else |
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{ |
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if((hf = IsValidFileHandle(hMpqOrFile)) == NULL) |
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return GetInfo_ReturnError(ERROR_INVALID_HANDLE); |
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pFileEntry = hf->pFileEntry; |
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} |
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// Return info-class-specific data |
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switch(InfoClass) |
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{ |
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case SFileMpqFileName: |
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szSrcFileInfo = FileStream_GetFileName(ha->pStream); |
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cbSrcFileInfo = (DWORD)((_tcslen(szSrcFileInfo) + 1) * sizeof(TCHAR)); |
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return GetInfo(pvFileInfo, cbFileInfo, szSrcFileInfo, cbSrcFileInfo, pcbLengthNeeded); |
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case SFileMpqStreamBitmap: |
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return FileStream_GetBitmap(ha->pStream, pvFileInfo, cbFileInfo, pcbLengthNeeded); |
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case SFileMpqUserDataOffset: |
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return GetInfo(pvFileInfo, cbFileInfo, &ha->UserDataPos, sizeof(ULONGLONG), pcbLengthNeeded); |
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case SFileMpqUserDataHeader: |
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return GetInfo_ReadFromFile(pvFileInfo, cbFileInfo, ha->pStream, ha->UserDataPos, sizeof(TMPQUserData), pcbLengthNeeded); |
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case SFileMpqUserData: |
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return GetInfo_ReadFromFile(pvFileInfo, cbFileInfo, ha->pStream, ha->UserDataPos + sizeof(TMPQUserData), ha->pUserData->dwHeaderOffs - sizeof(TMPQUserData), pcbLengthNeeded); |
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case SFileMpqHeaderOffset: |
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return GetInfo(pvFileInfo, cbFileInfo, &ha->MpqPos, sizeof(ULONGLONG), pcbLengthNeeded); |
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case SFileMpqHeaderSize: |
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return GetInfo(pvFileInfo, cbFileInfo, &pHeader->dwHeaderSize, sizeof(DWORD), pcbLengthNeeded); |
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case SFileMpqHeader: |
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return GetInfo_ReadFromFile(pvFileInfo, cbFileInfo, ha->pStream, ha->MpqPos, pHeader->dwHeaderSize, pcbLengthNeeded); |
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#ifdef FULL |
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case SFileMpqHetTableOffset: |
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return GetInfo(pvFileInfo, cbFileInfo, &pHeader->HetTablePos64, sizeof(ULONGLONG), pcbLengthNeeded); |
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case SFileMpqHetTableSize: |
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return GetInfo(pvFileInfo, cbFileInfo, &pHeader->HetTableSize64, sizeof(ULONGLONG), pcbLengthNeeded); |
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case SFileMpqHetHeader: |
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pvSrcFileInfo = LoadExtTable(ha, pHeader->HetTablePos64, (size_t)pHeader->HetTableSize64, HET_TABLE_SIGNATURE, MPQ_KEY_HASH_TABLE); |
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if(pvSrcFileInfo == NULL) |
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return GetInfo_ReturnError(ERROR_FILE_NOT_FOUND); |
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return GetInfo_Allocated(pvFileInfo, cbFileInfo, pvSrcFileInfo, sizeof(TMPQHetHeader), pcbLengthNeeded); |
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case SFileMpqHetTable: |
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if((pvSrcFileInfo = LoadHetTable(ha)) == NULL) |
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return GetInfo_ReturnError(ERROR_NOT_ENOUGH_MEMORY); |
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return GetInfo_TablePointer(pvFileInfo, cbFileInfo, pvSrcFileInfo, InfoClass, pcbLengthNeeded); |
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case SFileMpqBetTableOffset: |
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return GetInfo(pvFileInfo, cbFileInfo, &pHeader->BetTablePos64, sizeof(ULONGLONG), pcbLengthNeeded); |
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case SFileMpqBetTableSize: |
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return GetInfo(pvFileInfo, cbFileInfo, &pHeader->BetTableSize64, sizeof(ULONGLONG), pcbLengthNeeded); |
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case SFileMpqBetHeader: |
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// Retrieve the table and its size |
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pvSrcFileInfo = LoadExtTable(ha, pHeader->BetTablePos64, (size_t)pHeader->BetTableSize64, BET_TABLE_SIGNATURE, MPQ_KEY_BLOCK_TABLE); |
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if(pvSrcFileInfo == NULL) |
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return GetInfo_ReturnError(ERROR_FILE_NOT_FOUND); |
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cbSrcFileInfo = sizeof(TMPQBetHeader) + ((TMPQBetHeader *)pvSrcFileInfo)->dwFlagCount * sizeof(DWORD); |
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// It is allowed for the caller to only require BET header |
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if(cbFileInfo == sizeof(TMPQBetHeader)) |
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cbSrcFileInfo = sizeof(TMPQBetHeader); |
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return GetInfo_Allocated(pvFileInfo, cbFileInfo, pvSrcFileInfo, cbSrcFileInfo, pcbLengthNeeded); |
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case SFileMpqBetTable: |
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if((pvSrcFileInfo = LoadBetTable(ha)) == NULL) |
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return GetInfo_ReturnError(ERROR_NOT_ENOUGH_MEMORY); |
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return GetInfo_TablePointer(pvFileInfo, cbFileInfo, pvSrcFileInfo, InfoClass, pcbLengthNeeded); |
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#endif // FULL |
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case SFileMpqHashTableOffset: |
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Int64Value = MAKE_OFFSET64(pHeader->wHashTablePosHi, pHeader->dwHashTablePos); |
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return GetInfo(pvFileInfo, cbFileInfo, &Int64Value, sizeof(ULONGLONG), pcbLengthNeeded); |
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case SFileMpqHashTableSize64: |
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return GetInfo(pvFileInfo, cbFileInfo, &pHeader->HashTableSize64, sizeof(ULONGLONG), pcbLengthNeeded); |
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case SFileMpqHashTableSize: |
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return GetInfo(pvFileInfo, cbFileInfo, &pHeader->dwHashTableSize, sizeof(DWORD), pcbLengthNeeded); |
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case SFileMpqHashTable: |
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cbSrcFileInfo = pHeader->dwHashTableSize * sizeof(TMPQHash); |
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return GetInfo(pvFileInfo, cbFileInfo, ha->pHashTable, cbSrcFileInfo, pcbLengthNeeded); |
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case SFileMpqBlockTableOffset: |
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Int64Value = MAKE_OFFSET64(pHeader->wBlockTablePosHi, pHeader->dwBlockTablePos); |
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return GetInfo(pvFileInfo, cbFileInfo, &Int64Value, sizeof(ULONGLONG), pcbLengthNeeded); |
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case SFileMpqBlockTableSize64: |
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return GetInfo(pvFileInfo, cbFileInfo, &pHeader->BlockTableSize64, sizeof(ULONGLONG), pcbLengthNeeded); |
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case SFileMpqBlockTableSize: |
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return GetInfo(pvFileInfo, cbFileInfo, &pHeader->dwBlockTableSize, sizeof(DWORD), pcbLengthNeeded); |
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case SFileMpqBlockTable: |
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if(MAKE_OFFSET64(pHeader->wBlockTablePosHi, pHeader->dwBlockTablePos) >= ha->FileSize) |
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return GetInfo_ReturnError(ERROR_FILE_NOT_FOUND); |
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cbSrcFileInfo = pHeader->dwBlockTableSize * sizeof(TMPQBlock); |
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pvSrcFileInfo = LoadBlockTable(ha, true); |
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return GetInfo_Allocated(pvFileInfo, cbFileInfo, pvSrcFileInfo, cbSrcFileInfo, pcbLengthNeeded); |
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case SFileMpqHiBlockTableOffset: |
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return GetInfo(pvFileInfo, cbFileInfo, &pHeader->HiBlockTablePos64, sizeof(ULONGLONG), pcbLengthNeeded); |
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case SFileMpqHiBlockTableSize64: |
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return GetInfo(pvFileInfo, cbFileInfo, &pHeader->HiBlockTableSize64, sizeof(ULONGLONG), pcbLengthNeeded); |
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case SFileMpqHiBlockTable: |
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return GetInfo_ReturnError(ERROR_FILE_NOT_FOUND); |
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#ifdef FULL |
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case SFileMpqSignatures: |
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if(!QueryMpqSignatureInfo(ha, &SignatureInfo)) |
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return GetInfo_ReturnError(ERROR_FILE_NOT_FOUND); |
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return GetInfo(pvFileInfo, cbFileInfo, &SignatureInfo.SignatureTypes, sizeof(DWORD), pcbLengthNeeded); |
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case SFileMpqStrongSignatureOffset: |
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if(QueryMpqSignatureInfo(ha, &SignatureInfo) == false || (SignatureInfo.SignatureTypes & SIGNATURE_TYPE_STRONG) == 0) |
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return GetInfo_ReturnError(ERROR_FILE_NOT_FOUND); |
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return GetInfo(pvFileInfo, cbFileInfo, &SignatureInfo.EndMpqData, sizeof(ULONGLONG), pcbLengthNeeded); |
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case SFileMpqStrongSignatureSize: |
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if(QueryMpqSignatureInfo(ha, &SignatureInfo) == false || (SignatureInfo.SignatureTypes & SIGNATURE_TYPE_STRONG) == 0) |
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return GetInfo_ReturnError(ERROR_FILE_NOT_FOUND); |
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dwInt32Value = MPQ_STRONG_SIGNATURE_SIZE + 4; |
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return GetInfo(pvFileInfo, cbFileInfo, &dwInt32Value, sizeof(DWORD), pcbLengthNeeded); |
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case SFileMpqStrongSignature: |
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if(QueryMpqSignatureInfo(ha, &SignatureInfo) == false || (SignatureInfo.SignatureTypes & SIGNATURE_TYPE_STRONG) == 0) |
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return GetInfo_ReturnError(ERROR_FILE_NOT_FOUND); |
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return GetInfo(pvFileInfo, cbFileInfo, SignatureInfo.Signature, MPQ_STRONG_SIGNATURE_SIZE + 4, pcbLengthNeeded); |
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#endif // FULL |
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case SFileMpqArchiveSize64: |
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return GetInfo(pvFileInfo, cbFileInfo, &pHeader->ArchiveSize64, sizeof(ULONGLONG), pcbLengthNeeded); |
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case SFileMpqArchiveSize: |
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return GetInfo(pvFileInfo, cbFileInfo, &pHeader->dwArchiveSize, sizeof(DWORD), pcbLengthNeeded); |
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case SFileMpqMaxFileCount: |
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return GetInfo(pvFileInfo, cbFileInfo, &ha->dwMaxFileCount, sizeof(DWORD), pcbLengthNeeded); |
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case SFileMpqFileTableSize: |
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return GetInfo(pvFileInfo, cbFileInfo, &ha->dwFileTableSize, sizeof(DWORD), pcbLengthNeeded); |
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case SFileMpqSectorSize: |
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return GetInfo(pvFileInfo, cbFileInfo, &ha->dwSectorSize, sizeof(DWORD), pcbLengthNeeded); |
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case SFileMpqNumberOfFiles: |
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dwInt32Value = GetMpqFileCount(ha); |
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return GetInfo(pvFileInfo, cbFileInfo, &dwInt32Value, sizeof(DWORD), pcbLengthNeeded); |
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case SFileMpqRawChunkSize: |
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if(pHeader->dwRawChunkSize == 0) |
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return GetInfo_ReturnError(ERROR_FILE_NOT_FOUND); |
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return GetInfo(pvFileInfo, cbFileInfo, &pHeader->dwRawChunkSize, sizeof(DWORD), pcbLengthNeeded); |
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case SFileMpqStreamFlags: |
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FileStream_GetFlags(ha->pStream, &dwInt32Value); |
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return GetInfo(pvFileInfo, cbFileInfo, &dwInt32Value, sizeof(DWORD), pcbLengthNeeded); |
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case SFileMpqFlags: |
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return GetInfo(pvFileInfo, cbFileInfo, &ha->dwFlags, sizeof(DWORD), pcbLengthNeeded); |
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case SFileInfoPatchChain: |
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return GetInfo_PatchChain(hf, pvFileInfo, cbFileInfo, pcbLengthNeeded); |
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case SFileInfoFileEntry: |
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if(pFileEntry == NULL) |
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return GetInfo_ReturnError(ERROR_FILE_NOT_FOUND); |
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return GetInfo_FileEntry(pvFileInfo, cbFileInfo, pFileEntry, pcbLengthNeeded); |
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case SFileInfoHashEntry: |
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return GetInfo(pvFileInfo, cbFileInfo, hf->pHashEntry, sizeof(TMPQHash), pcbLengthNeeded); |
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case SFileInfoHashIndex: |
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return GetInfo(pvFileInfo, cbFileInfo, &hf->dwHashIndex, sizeof(DWORD), pcbLengthNeeded); |
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case SFileInfoNameHash1: |
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return GetInfo(pvFileInfo, cbFileInfo, &hf->pHashEntry->dwName1, sizeof(DWORD), pcbLengthNeeded); |
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case SFileInfoNameHash2: |
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return GetInfo(pvFileInfo, cbFileInfo, &hf->pHashEntry->dwName2, sizeof(DWORD), pcbLengthNeeded); |
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case SFileInfoNameHash3: |
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return GetInfo(pvFileInfo, cbFileInfo, &pFileEntry->FileNameHash, sizeof(ULONGLONG), pcbLengthNeeded); |
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case SFileInfoLocale: |
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dwInt32Value = hf->pHashEntry->lcLocale; |
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return GetInfo(pvFileInfo, cbFileInfo, &dwInt32Value, sizeof(DWORD), pcbLengthNeeded); |
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case SFileInfoFileIndex: |
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dwInt32Value = (DWORD)(pFileEntry - hf->ha->pFileTable); |
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return GetInfo(pvFileInfo, cbFileInfo, &dwInt32Value, sizeof(DWORD), pcbLengthNeeded); |
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case SFileInfoByteOffset: |
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return GetInfo(pvFileInfo, cbFileInfo, &pFileEntry->ByteOffset, sizeof(ULONGLONG), pcbLengthNeeded); |
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|
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case SFileInfoFileTime: |
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return GetInfo(pvFileInfo, cbFileInfo, &pFileEntry->FileTime, sizeof(ULONGLONG), pcbLengthNeeded); |
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|
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case SFileInfoFileSize: |
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return GetInfo(pvFileInfo, cbFileInfo, &pFileEntry->dwFileSize, sizeof(DWORD), pcbLengthNeeded); |
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|
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case SFileInfoCompressedSize: |
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return GetInfo(pvFileInfo, cbFileInfo, &pFileEntry->dwCmpSize, sizeof(DWORD), pcbLengthNeeded); |
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|
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case SFileInfoFlags: |
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return GetInfo(pvFileInfo, cbFileInfo, &pFileEntry->dwFlags, sizeof(DWORD), pcbLengthNeeded); |
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|
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case SFileInfoEncryptionKey: |
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return GetInfo(pvFileInfo, cbFileInfo, &hf->dwFileKey, sizeof(DWORD), pcbLengthNeeded); |
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|
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case SFileInfoEncryptionKeyRaw: |
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dwInt32Value = hf->dwFileKey; |
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if(pFileEntry->dwFlags & MPQ_FILE_FIX_KEY) |
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dwInt32Value = (dwInt32Value ^ pFileEntry->dwFileSize) - (DWORD)hf->MpqFilePos; |
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return GetInfo(pvFileInfo, cbFileInfo, &dwInt32Value, sizeof(DWORD), pcbLengthNeeded); |
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|
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case SFileInfoCRC32: |
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return GetInfo(pvFileInfo, cbFileInfo, &hf->pFileEntry->dwCrc32, sizeof(DWORD), pcbLengthNeeded); |
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default: |
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// Invalid info class |
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return GetInfo_ReturnError(ERROR_INVALID_PARAMETER); |
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} |
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} |
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|
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#ifdef FULL |
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bool WINAPI SFileFreeFileInfo(void * pvFileInfo, SFileInfoClass InfoClass) |
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{ |
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switch(InfoClass) |
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{ |
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case SFileMpqHetTable: |
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FreeHetTable((TMPQHetTable *)pvFileInfo); |
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return true; |
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|
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case SFileMpqBetTable: |
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FreeBetTable((TMPQBetTable *)pvFileInfo); |
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return true; |
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|
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default: |
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break; |
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} |
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SetLastError(ERROR_INVALID_PARAMETER); |
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return false; |
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} |
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#endif // FULL |
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|
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//----------------------------------------------------------------------------- |
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// Tries to retrieve the file name |
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struct TFileHeader2Ext |
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{ |
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DWORD dwOffset00Data; // Required data at offset 00 (32-bits) |
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DWORD dwOffset00Mask; // Mask for data at offset 00 (32 bits). 0 = data are ignored |
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DWORD dwOffset04Data; // Required data at offset 04 (32-bits) |
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DWORD dwOffset04Mask; // Mask for data at offset 04 (32 bits). 0 = data are ignored |
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const char * szExt; // Supplied extension, if the condition is true |
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}; |
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static TFileHeader2Ext data2ext[] = |
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{ |
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{0x00005A4D, 0x0000FFFF, 0x00000000, 0x00000000, "exe"}, // EXE files |
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{0x00000006, 0xFFFFFFFF, 0x00000001, 0xFFFFFFFF, "dc6"}, // EXE files |
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{0x1A51504D, 0xFFFFFFFF, 0x00000000, 0x00000000, "mpq"}, // MPQ archive header ID ('MPQ\x1A') |
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{0x46464952, 0xFFFFFFFF, 0x00000000, 0x00000000, "wav"}, // WAVE header 'RIFF' |
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{0x324B4D53, 0xFFFFFFFF, 0x00000000, 0x00000000, "smk"}, // Old "Smacker Video" files 'SMK2' |
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{0x694B4942, 0xFFFFFFFF, 0x00000000, 0x00000000, "bik"}, // Bink video files (new) |
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{0x0801050A, 0xFFFFFFFF, 0x00000000, 0x00000000, "pcx"}, // PCX images used in Diablo I |
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{0x544E4F46, 0xFFFFFFFF, 0x00000000, 0x00000000, "fnt"}, // Font files used in Diablo II |
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{0x6D74683C, 0xFFFFFFFF, 0x00000000, 0x00000000, "html"}, // HTML '<htm' |
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{0x4D54483C, 0xFFFFFFFF, 0x00000000, 0x00000000, "html"}, // HTML '<HTM |
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{0x216F6F57, 0xFFFFFFFF, 0x00000000, 0x00000000, "tbl"}, // Table files |
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{0x31504C42, 0xFFFFFFFF, 0x00000000, 0x00000000, "blp"}, // BLP textures |
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{0x32504C42, 0xFFFFFFFF, 0x00000000, 0x00000000, "blp"}, // BLP textures (v2) |
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{0x584C444D, 0xFFFFFFFF, 0x00000000, 0x00000000, "mdx"}, // MDX files |
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{0x45505954, 0xFFFFFFFF, 0x00000000, 0x00000000, "pud"}, // Warcraft II maps |
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{0x38464947, 0xFFFFFFFF, 0x00000000, 0x00000000, "gif"}, // GIF images 'GIF8' |
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{0x3032444D, 0xFFFFFFFF, 0x00000000, 0x00000000, "m2"}, // WoW ??? .m2 |
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{0x43424457, 0xFFFFFFFF, 0x00000000, 0x00000000, "dbc"}, // ??? .dbc |
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{0x47585053, 0xFFFFFFFF, 0x00000000, 0x00000000, "bls"}, // WoW pixel shaders |
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{0xE0FFD8FF, 0xFFFFFFFF, 0x00000000, 0x00000000, "jpg"}, // JPEG image |
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{0x503B4449, 0xFFFFFFFF, 0x3B4C5857, 0xFFFFFFFF, "slk"}, // SLK file (usually starts with "ID;PWXL;N;E") |
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{0x61754C1B, 0xFFFFFFFF, 0x00000000, 0x00000000, "lua"}, // Compiled LUA files |
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{0x20534444, 0xFFFFFFFF, 0x00000000, 0x00000000, "dds"}, // DDS textures |
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{0x43614C66, 0xFFFFFFFF, 0x00000000, 0x00000000, "flac"}, // FLAC sound files |
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{0x0000FBFF, 0x0000FFFF, 0x00000000, 0x00000000, "mp3"}, // MP3 sound files |
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{0x0000F3FF, 0x0000FFFF, 0x00000000, 0x00000000, "mp3"}, // MP3 sound files |
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{0x0000F2FF, 0x0000FFFF, 0x00000000, 0x00000000, "mp3"}, // MP3 sound files |
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{0x00334449, 0x00FFFFFF, 0x00000000, 0x00000000, "mp3"}, // MP3 sound files |
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{0x57334D48, 0xFFFFFFFF, 0x00000000, 0x00000000, "w3x"}, // Warcraft III map files, can also be w3m |
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{0x6F643357, 0xFFFFFFFF, 0x00000000, 0x00000000, "doo"}, // Warcraft III doodad files |
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{0x21453357, 0xFFFFFFFF, 0x00000000, 0x00000000, "w3e"}, // Warcraft III environment files |
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{0x5733504D, 0xFFFFFFFF, 0x00000000, 0x00000000, "wpm"}, // Warcraft III pathing map files |
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{0x21475457, 0xFFFFFFFF, 0x00000000, 0x00000000, "wtg"}, // Warcraft III trigger files |
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{0x00000000, 0x00000000, 0x00000000, 0x00000000, "xxx"}, // Default extension |
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{0, 0, 0, 0, NULL} // Terminator |
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}; |
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static int CreatePseudoFileName(HANDLE hFile, TFileEntry * pFileEntry, char * szFileName) |
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{ |
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TMPQFile * hf = (TMPQFile *)hFile; // MPQ File handle |
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DWORD FirstBytes[2] = {0, 0}; // The first 4 bytes of the file |
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DWORD dwBytesRead = 0; |
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DWORD dwFilePos; // Saved file position |
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char szPseudoName[20]; |
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// Read the first 2 DWORDs bytes from the file |
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dwFilePos = SFileSetFilePointer(hFile, 0, NULL, FILE_CURRENT); |
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SFileReadFile(hFile, FirstBytes, sizeof(FirstBytes), &dwBytesRead, NULL); |
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SFileSetFilePointer(hFile, dwFilePos, NULL, FILE_BEGIN); |
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// If we read at least 8 bytes |
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if(dwBytesRead == sizeof(FirstBytes)) |
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{ |
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// Make sure that the array is properly BSWAP-ed |
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BSWAP_ARRAY32_UNSIGNED(FirstBytes, sizeof(FirstBytes)); |
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// Try to guess file extension from those 2 DWORDs |
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for(size_t i = 0; data2ext[i].szExt != NULL; i++) |
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{ |
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if((FirstBytes[0] & data2ext[i].dwOffset00Mask) == data2ext[i].dwOffset00Data && |
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(FirstBytes[1] & data2ext[i].dwOffset04Mask) == data2ext[i].dwOffset04Data) |
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{ |
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// Format the pseudo-name |
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StringCreatePseudoFileName(szPseudoName, _countof(szPseudoName), (unsigned int)(pFileEntry - hf->ha->pFileTable), data2ext[i].szExt); |
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// Save the pseudo-name in the file entry as well |
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AllocateFileName(hf->ha, pFileEntry, szPseudoName); |
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// If the caller wants to copy the file name, do it |
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if(szFileName != NULL) |
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strcpy(szFileName, szPseudoName); |
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return ERROR_SUCCESS; |
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} |
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} |
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} |
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return ERROR_CAN_NOT_COMPLETE; |
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} |
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bool WINAPI SFileGetFileName(HANDLE hFile, char * szFileName) |
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{ |
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TMPQFile * hf = (TMPQFile *)hFile; // MPQ File handle |
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int nError = ERROR_INVALID_HANDLE; |
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// Check valid parameters |
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if(IsValidFileHandle(hFile)) |
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{ |
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TFileEntry * pFileEntry = hf->pFileEntry; |
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// For MPQ files, retrieve the file name from the file entry |
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if(hf->pStream == NULL) |
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{ |
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if(pFileEntry != NULL) |
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{ |
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// If the file name is not there yet, create a pseudo name |
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if(pFileEntry->szFileName == NULL) |
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nError = CreatePseudoFileName(hFile, pFileEntry, szFileName); |
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// Copy the file name to the output buffer, if any |
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if(pFileEntry->szFileName && szFileName) |
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{ |
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strcpy(szFileName, pFileEntry->szFileName); |
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nError = ERROR_SUCCESS; |
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} |
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} |
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} |
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// For local files, copy the file name from the stream |
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else |
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{ |
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if(szFileName != NULL) |
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{ |
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const TCHAR * szStreamName = FileStream_GetFileName(hf->pStream); |
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StringCopy(szFileName, MAX_PATH, szStreamName); |
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} |
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nError = ERROR_SUCCESS; |
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} |
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} |
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if(nError != ERROR_SUCCESS) |
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SetLastError(nError); |
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return (nError == ERROR_SUCCESS); |
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} |
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