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Some missing from merge.

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Signed-off-by: Salja <salja2012@hotmail.de>
This commit is contained in:
Salja 2012-08-05 14:54:07 +02:00 • committed by Antz
parent ec939a5bce
commit f4be15a7af
1895 changed files with 160408 additions and 53601 deletions
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609
dep/StormLib/src/SFileOpenFileEx.cpp
View file

@ -16,77 +16,33 @@
/* Local functions */
/*****************************************************************************/
static DWORD FindHashIndex(TMPQArchive * ha, DWORD dwFileIndex)
{
TMPQHash * pHashTableEnd;
TMPQHash * pHash;
DWORD dwFirstIndex = HASH_ENTRY_FREE;
// Should only be called if the archive has hash table
assert(ha->pHashTable != NULL);
// Multiple hash table entries can point to the file table entry.
// We need to search all of them
pHashTableEnd = ha->pHashTable + ha->pHeader->dwHashTableSize;
for(pHash = ha->pHashTable; pHash < pHashTableEnd; pHash++)
{
if(MPQ_BLOCK_INDEX(pHash) == dwFileIndex)
{
// Duplicate hash entry found
if(dwFirstIndex != HASH_ENTRY_FREE)
return HASH_ENTRY_FREE;
dwFirstIndex = (DWORD)(pHash - ha->pHashTable);
}
}
// Return the hash table entry index
return dwFirstIndex;
}
static const char * GetPatchFileName(TMPQArchive * ha, const char * szFileName, char * szBuffer)
{
TMPQNamePrefix * pPrefix;
// Are there patches in the current MPQ?
if(ha->dwFlags & MPQ_FLAG_PATCH)
{
// The patch prefix must be already known here
assert(ha->pPatchPrefix != NULL);
pPrefix = ha->pPatchPrefix;
// The patch name for "OldWorld\\XXX\\YYY" is "Base\\XXX\YYY"
// We need to remove the "OldWorld\\" prefix
if(!_strnicmp(szFileName, "OldWorld\\", 9))
szFileName += 9;
// Create the file name from the known patch entry
memcpy(szBuffer, pPrefix->szPatchPrefix, pPrefix->nLength);
strcpy(szBuffer + pPrefix->nLength, szFileName);
szFileName = szBuffer;
}
return szFileName;
}
static bool OpenLocalFile(const char * szFileName, HANDLE * PtrFile)
static bool OpenLocalFile(const char * szFileName, HANDLE * phFile)
{
TFileStream * pStream;
TMPQFile * hf = NULL;
// We have to convert the local file name to UNICODE, if needed
#ifdef _UNICODE
TCHAR szFileNameT[MAX_PATH];
int i;
// Convert the file name to UNICODE (if needed)
StringCopy(szFileNameT, _countof(szFileNameT), szFileName);
for(i = 0; szFileName[i] != 0; i++)
szFileNameT[i] = szFileName[i];
szFileNameT[i] = 0;
pStream = FileStream_OpenFile(szFileNameT, STREAM_PROVIDER_LINEAR | BASE_PROVIDER_FILE);
#else
pStream = FileStream_OpenFile(szFileName, STREAM_PROVIDER_LINEAR | BASE_PROVIDER_FILE);
#endif
// Open the file and create the TMPQFile structure
pStream = FileStream_OpenFile(szFileNameT, STREAM_FLAG_READ_ONLY);
if(pStream != NULL)
{
// Allocate and initialize file handle
hf = CreateFileHandle(NULL, NULL);
hf = CreateMpqFile(NULL);
if(hf != NULL)
{
hf->pStream = pStream;
*PtrFile = hf;
*phFile = hf;
return true;
}
else
@ -95,71 +51,91 @@ static bool OpenLocalFile(const char * szFileName, HANDLE * PtrFile)
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
}
}
*PtrFile = NULL;
*phFile = NULL;
return false;
}
bool OpenPatchedFile(HANDLE hMpq, const char * szFileName, HANDLE * PtrFile)
bool OpenPatchedFile(HANDLE hMpq, const char * szFileName, DWORD dwReserved, HANDLE * phFile)
{
TMPQArchive * haBase = NULL;
TMPQArchive * ha = (TMPQArchive *)hMpq;
TFileEntry * pFileEntry;
TMPQFile * hfPatch; // Pointer to patch file
TMPQFile * hfBase = NULL; // Pointer to base open file
TMPQFile * hfLast = NULL; // The highest file in the chain that is not patch file
TMPQFile * hf = NULL;
HANDLE hPatchFile;
char szNameBuffer[MAX_PATH];
char szPatchFileName[MAX_PATH];
// First of all, find the latest archive where the file is in base version
// (i.e. where the original, unpatched version of the file exists)
// Keep this flag here for future updates
dwReserved = dwReserved;
// First of all, try to open the original version of the file in any of the patch chain
while(ha != NULL)
{
// If the file is there, then we remember the archive
pFileEntry = GetFileEntryExact(ha, GetPatchFileName(ha, szFileName, szNameBuffer), 0, NULL);
if(pFileEntry != NULL && (pFileEntry->dwFlags & MPQ_FILE_PATCH_FILE) == 0)
haBase = ha;
// Construct the name of the patch file
strcpy(szPatchFileName, ha->szPatchPrefix);
strcpy(&szPatchFileName[ha->cchPatchPrefix], szFileName);
if(SFileOpenFileEx((HANDLE)ha, szPatchFileName, SFILE_OPEN_FROM_MPQ, (HANDLE *)&hfBase))
{
// The file must be a base file, i.e. without MPQ_FILE_PATCH_FILE
if((hfBase->pFileEntry->dwFlags & MPQ_FILE_PATCH_FILE) == 0)
{
hf = hfLast = hfBase;
break;
}
// Move to the patch archive
SFileCloseFile((HANDLE)hfBase);
}
// Move to the next file in the patch chain
ha = ha->haPatch;
}
// If we couldn't find the base file in any of the patches, it doesn't exist
if((ha = haBase) == NULL)
// If we couldn't find the file in any of the patches, it doesn't exist
if(hf == NULL)
{
SetLastError(ERROR_FILE_NOT_FOUND);
return false;
}
// Now open the base file
if(SFileOpenFileEx((HANDLE)ha, GetPatchFileName(ha, szFileName, szNameBuffer), SFILE_OPEN_BASE_FILE, (HANDLE *)&hfBase))
// Now keep going in the patch chain and open every patch file that is there
for(ha = ha->haPatch; ha != NULL; ha = ha->haPatch)
{
// The file must be a base file, i.e. without MPQ_FILE_PATCH_FILE
assert((hfBase->pFileEntry->dwFlags & MPQ_FILE_PATCH_FILE) == 0);
hf = hfBase;
// Now open all patches and attach them on top of the base file
for(ha = ha->haPatch; ha != NULL; ha = ha->haPatch)
// Construct patch file name
strcpy(szPatchFileName, ha->szPatchPrefix);
strcpy(&szPatchFileName[ha->cchPatchPrefix], szFileName);
if(SFileOpenFileEx((HANDLE)ha, szPatchFileName, SFILE_OPEN_FROM_MPQ, &hPatchFile))
{
// Prepare the file name with a correct prefix
if(SFileOpenFileEx((HANDLE)ha, GetPatchFileName(ha, szFileName, szNameBuffer), SFILE_OPEN_BASE_FILE, &hPatchFile))
{
// Remember the new version
hfPatch = (TMPQFile *)hPatchFile;
// Remember the new version
hfPatch = (TMPQFile *)hPatchFile;
// We should not find patch file
assert((hfPatch->pFileEntry->dwFlags & MPQ_FILE_PATCH_FILE) != 0);
// If we encountered a full replacement of the file,
// we have to remember the highest full file
if((hfPatch->pFileEntry->dwFlags & MPQ_FILE_PATCH_FILE) == 0)
hfLast = hfPatch;
// Attach the patch to the base file
hf->hfPatch = hfPatch;
hf = hfPatch;
}
// Set current patch to base file and move on
hf->hfPatchFile = hfPatch;
hf = hfPatch;
}
}
// Now we need to free all files that are below the highest unpatched version
while(hfBase != hfLast)
{
TMPQFile * hfNext = hfBase->hfPatchFile;
// Free the file below
hfBase->hfPatchFile = NULL;
FreeMPQFile(hfBase);
// Move the base to the next file
hfBase = hfNext;
}
// Give the updated base MPQ
if(PtrFile != NULL)
*PtrFile = (HANDLE)hfBase;
return (hfBase != NULL);
if(phFile != NULL)
*phFile = (HANDLE)hfBase;
return true;
}
/*****************************************************************************/
@ -167,205 +143,81 @@ bool OpenPatchedFile(HANDLE hMpq, const char * szFileName, HANDLE * PtrFile)
/*****************************************************************************/
//-----------------------------------------------------------------------------
// SFileEnumLocales enums all locale versions within MPQ.
// SFileEnumLocales enums all locale versions within MPQ.
// Functions fills all available language identifiers on a file into the buffer
// pointed by plcLocales. There must be enough entries to copy the localed,
// otherwise the function returns ERROR_INSUFFICIENT_BUFFER.
int WINAPI SFileEnumLocales(
HANDLE hMpq,
const char * szFileName,
LCID * PtrLocales,
LPDWORD PtrMaxLocales,
DWORD dwSearchScope)
HANDLE hMpq,
const char * szFileName,
LCID * plcLocales,
LPDWORD pdwMaxLocales,
DWORD dwSearchScope)
{
TMPQArchive * ha = (TMPQArchive *)hMpq;
TFileEntry * pFileEntry;
TMPQHash * pFirstHash;
TMPQHash * pHash;
DWORD dwFileIndex = 0;
DWORD dwMaxLocales;
DWORD dwLocales = 0;
// Test the parameters
if(!IsValidMpqHandle(hMpq))
if(!IsValidMpqHandle(ha))
return ERROR_INVALID_HANDLE;
if(szFileName == NULL || *szFileName == 0)
return ERROR_INVALID_PARAMETER;
if(ha->pHashTable == NULL)
return ERROR_NOT_SUPPORTED;
if(PtrMaxLocales == NULL)
if(pdwMaxLocales == NULL)
return ERROR_INVALID_PARAMETER;
if(IsPseudoFileName(szFileName, &dwFileIndex))
return ERROR_INVALID_PARAMETER;
// Keep compiler happy
dwMaxLocales = PtrMaxLocales[0];
dwSearchScope = dwSearchScope;
// Parse all files with that name
pFirstHash = pHash = GetFirstHashEntry(ha, szFileName);
while(pHash != NULL)
// Parse hash table entries for all locales
if(!IsPseudoFileName(szFileName, &dwFileIndex))
{
// Put the locales to the buffer
if(PtrLocales != NULL && dwLocales < dwMaxLocales)
*PtrLocales++ = pHash->lcLocale;
dwLocales++;
// Get the next locale
pHash = GetNextHashEntry(ha, pFirstHash, pHash);
}
// Give the caller the number of locales and return
PtrMaxLocales[0] = dwLocales;
return (dwLocales <= dwMaxLocales) ? ERROR_SUCCESS : ERROR_INSUFFICIENT_BUFFER;
}
//-----------------------------------------------------------------------------
// SFileOpenFileEx
//
// hMpq - Handle of opened MPQ archive
// szFileName - Name of file to open
// dwSearchScope - Where to search
// PtrFile - Pointer to store opened file handle
bool WINAPI SFileOpenFileEx(HANDLE hMpq, const char * szFileName, DWORD dwSearchScope, HANDLE * PtrFile)
{
TMPQArchive * ha = IsValidMpqHandle(hMpq);
TFileEntry * pFileEntry = NULL;
TMPQFile * hf = NULL;
DWORD dwHashIndex = HASH_ENTRY_FREE;
DWORD dwFileIndex = 0;
bool bOpenByIndex = false;
int nError = ERROR_SUCCESS;
// Don't accept NULL pointer to file handle
if(szFileName == NULL || *szFileName == 0)
nError = ERROR_INVALID_PARAMETER;
// When opening a file from MPQ, the handle must be valid
if(dwSearchScope != SFILE_OPEN_LOCAL_FILE && ha == NULL)
nError = ERROR_INVALID_HANDLE;
// When not checking for existence, the pointer to file handle must be valid
if(dwSearchScope != SFILE_OPEN_CHECK_EXISTS && PtrFile == NULL)
nError = ERROR_INVALID_PARAMETER;
// Prepare the file opening
if(nError == ERROR_SUCCESS)
{
switch(dwSearchScope)
// Calculate the number of locales
pFirstHash = pHash = GetFirstHashEntry(ha, szFileName);
while(pHash != NULL)
{
case SFILE_OPEN_FROM_MPQ:
case SFILE_OPEN_BASE_FILE:
case SFILE_OPEN_CHECK_EXISTS:
// If this MPQ has no patches, open the file from this MPQ directly
if(ha->haPatch == NULL || dwSearchScope == SFILE_OPEN_BASE_FILE)
{
pFileEntry = GetFileEntryLocale2(ha, szFileName, lcFileLocale, &dwHashIndex);
}
// If this MPQ is a patched archive, open the file as patched
else
{
return OpenPatchedFile(hMpq, szFileName, PtrFile);
}
break;
case SFILE_OPEN_ANY_LOCALE:
// This open option is reserved for opening MPQ internal listfile.
// No argument validation. Tries to open file with neutral locale first,
// then any other available.
pFileEntry = GetFileEntryLocale2(ha, szFileName, 0, &dwHashIndex);
break;
case SFILE_OPEN_LOCAL_FILE:
// Open a local file
return OpenLocalFile(szFileName, PtrFile);
default:
// Don't accept any other value
nError = ERROR_INVALID_PARAMETER;
break;
}
}
// Check whether the file really exists in the MPQ
if(nError == ERROR_SUCCESS)
{
if(pFileEntry == NULL || (pFileEntry->dwFlags & MPQ_FILE_EXISTS) == 0)
{
// Check the pseudo-file name
if((bOpenByIndex = IsPseudoFileName(szFileName, &dwFileIndex)) == true)
{
// Get the file entry for the file
if(dwFileIndex < ha->dwFileTableSize)
{
pFileEntry = ha->pFileTable + dwFileIndex;
}
}
if(pFileEntry == NULL)
{
nError = ERROR_FILE_NOT_FOUND;
}
dwLocales++;
pHash = GetNextHashEntry(ha, pFirstHash, pHash);
}
// Ignore unknown loading flags (example: MPQ_2016_v1_WME4_4.w3x)
// if(pFileEntry != NULL && pFileEntry->dwFlags & ~MPQ_FILE_VALID_FLAGS)
// nError = ERROR_NOT_SUPPORTED;
}
// Test if there is enough space to copy the locales
if(*pdwMaxLocales < dwLocales)
{
*pdwMaxLocales = dwLocales;
return ERROR_INSUFFICIENT_BUFFER;
}
// Did the caller just wanted to know if the file exists?
if(nError == ERROR_SUCCESS && dwSearchScope != SFILE_OPEN_CHECK_EXISTS)
// Enum the locales
pFirstHash = pHash = GetFirstHashEntry(ha, szFileName);
while(pHash != NULL)
{
*plcLocales++ = pHash->lcLocale;
pHash = GetNextHashEntry(ha, pFirstHash, pHash);
}
}
else
{
// Allocate file handle
hf = CreateFileHandle(ha, pFileEntry);
if(hf != NULL)
// There must be space for 1 locale
if(*pdwMaxLocales < 1)
{
// Get the hash index for the file
if(ha->pHashTable != NULL && dwHashIndex == HASH_ENTRY_FREE)
dwHashIndex = FindHashIndex(ha, dwFileIndex);
if(dwHashIndex != HASH_ENTRY_FREE)
hf->pHashEntry = ha->pHashTable + dwHashIndex;
hf->dwHashIndex = dwHashIndex;
// If the MPQ has sector CRC enabled, enable if for the file
if(ha->dwFlags & MPQ_FLAG_CHECK_SECTOR_CRC)
hf->bCheckSectorCRCs = true;
// If we know the real file name, copy it to the file entry
if(bOpenByIndex == false)
{
// If there is no file name yet, allocate it
AllocateFileName(ha, pFileEntry, szFileName);
// If the file is encrypted, we should detect the file key
if(pFileEntry->dwFlags & MPQ_FILE_ENCRYPTED)
{
hf->dwFileKey = DecryptFileKey(szFileName,
pFileEntry->ByteOffset,
pFileEntry->dwFileSize,
pFileEntry->dwFlags);
}
}
}
else
{
nError = ERROR_NOT_ENOUGH_MEMORY;
*pdwMaxLocales = 1;
return ERROR_INSUFFICIENT_BUFFER;
}
// For nameless access, always return 1 locale
pFileEntry = GetFileEntryByIndex(ha, dwFileIndex);
pHash = ha->pHashTable + pFileEntry->dwHashIndex;
*plcLocales = pHash->lcLocale;
dwLocales = 1;
}
// Give the file entry
if(PtrFile != NULL)
PtrFile[0] = hf;
// Return error code
if(nError != ERROR_SUCCESS)
SetLastError(nError);
return (nError == ERROR_SUCCESS);
// Give the caller the total number of found locales
*pdwMaxLocales = dwLocales;
return ERROR_SUCCESS;
}
//-----------------------------------------------------------------------------
@ -376,7 +228,226 @@ bool WINAPI SFileOpenFileEx(HANDLE hMpq, const char * szFileName, DWORD dwSearch
bool WINAPI SFileHasFile(HANDLE hMpq, const char * szFileName)
{
return SFileOpenFileEx(hMpq, szFileName, SFILE_OPEN_CHECK_EXISTS, NULL);
TMPQArchive * ha = (TMPQArchive *)hMpq;
TFileEntry * pFileEntry;
DWORD dwFlagsToCheck = MPQ_FILE_EXISTS;
DWORD dwFileIndex = 0;
char szPatchFileName[MAX_PATH];
bool bIsPseudoName;
int nError = ERROR_SUCCESS;
if(!IsValidMpqHandle(ha))
nError = ERROR_INVALID_HANDLE;
if(szFileName == NULL || *szFileName == 0)
nError = ERROR_INVALID_PARAMETER;
// Prepare the file opening
if(nError == ERROR_SUCCESS)
{
// Different processing for pseudo-names
bIsPseudoName = IsPseudoFileName(szFileName, &dwFileIndex);
// Walk through the MPQ and all patches
while(ha != NULL)
{
// Verify presence of the file
pFileEntry = (bIsPseudoName == false) ? GetFileEntryLocale(ha, szFileName, lcFileLocale)
: GetFileEntryByIndex(ha, dwFileIndex);
// Verify the file flags
if(pFileEntry != NULL && (pFileEntry->dwFlags & dwFlagsToCheck) == MPQ_FILE_EXISTS)
return true;
// If this is patched archive, go to the patch
dwFlagsToCheck = MPQ_FILE_EXISTS | MPQ_FILE_PATCH_FILE;
ha = ha->haPatch;
// Prepare the patched file name
if(ha != NULL)
{
strcpy(szPatchFileName, ha->szPatchPrefix);
strcat(szPatchFileName, szFileName);
szFileName = szPatchFileName;
}
}
// Not found, sorry
nError = ERROR_FILE_NOT_FOUND;
}
// Cleanup
SetLastError(nError);
return false;
}
//-----------------------------------------------------------------------------
// SFileOpenFileEx
//
// hMpq - Handle of opened MPQ archive
// szFileName - Name of file to open
// dwSearchScope - Where to search
// phFile - Pointer to store opened file handle
bool WINAPI SFileOpenFileEx(HANDLE hMpq, const char * szFileName, DWORD dwSearchScope, HANDLE * phFile)
{
TMPQArchive * ha = (TMPQArchive *)hMpq;
TFileEntry * pFileEntry = NULL;
TMPQFile * hf = NULL;
DWORD dwFileIndex = 0;
bool bOpenByIndex = false;
int nError = ERROR_SUCCESS;
// Don't accept NULL pointer to file handle
if(phFile == NULL)
nError = ERROR_INVALID_PARAMETER;
// Prepare the file opening
if(nError == ERROR_SUCCESS)
{
switch(dwSearchScope)
{
case SFILE_OPEN_PATCHED_FILE:
// We want to open the updated version of the file
return OpenPatchedFile(hMpq, szFileName, 0, phFile);
case SFILE_OPEN_FROM_MPQ:
if(!IsValidMpqHandle(ha))
{
nError = ERROR_INVALID_HANDLE;
break;
}
if(szFileName == NULL || *szFileName == 0)
{
nError = ERROR_INVALID_PARAMETER;
break;
}
// First of all, check the name as-is
if(!IsPseudoFileName(szFileName, &dwFileIndex))
{
pFileEntry = GetFileEntryLocale(ha, szFileName, lcFileLocale);
if(pFileEntry == NULL)
nError = ERROR_FILE_NOT_FOUND;
}
else
{
bOpenByIndex = true;
pFileEntry = GetFileEntryByIndex(ha, dwFileIndex);
if(pFileEntry == NULL)
nError = ERROR_FILE_NOT_FOUND;
}
break;
case SFILE_OPEN_ANY_LOCALE:
// This open option is reserved for opening MPQ internal listfile.
// No argument validation. Tries to open file with neutral locale first,
// then any other available.
dwSearchScope = SFILE_OPEN_FROM_MPQ;
pFileEntry = GetFileEntryAny(ha, szFileName);
if(pFileEntry == NULL)
nError = ERROR_FILE_NOT_FOUND;
break;
case SFILE_OPEN_LOCAL_FILE:
if(szFileName == NULL || *szFileName == 0)
{
nError = ERROR_INVALID_PARAMETER;
break;
}
return OpenLocalFile(szFileName, phFile);
default:
// Don't accept any other value
nError = ERROR_INVALID_PARAMETER;
break;
}
// Quick return if something failed
if(nError != ERROR_SUCCESS)
{
SetLastError(nError);
return false;
}
}
// Test if the file was not already deleted.
if(nError == ERROR_SUCCESS)
{
if((pFileEntry->dwFlags & MPQ_FILE_EXISTS) == 0)
nError = ERROR_FILE_NOT_FOUND;
if(pFileEntry->dwFlags & ~MPQ_FILE_VALID_FLAGS)
nError = ERROR_NOT_SUPPORTED;
}
// Allocate file handle
if(nError == ERROR_SUCCESS)
{
if((hf = STORM_ALLOC(TMPQFile, 1)) == NULL)
nError = ERROR_NOT_ENOUGH_MEMORY;
}
// Initialize file handle
if(nError == ERROR_SUCCESS)
{
memset(hf, 0, sizeof(TMPQFile));
hf->pFileEntry = pFileEntry;
hf->dwMagic = ID_MPQ_FILE;
hf->ha = ha;
hf->MpqFilePos = pFileEntry->ByteOffset;
hf->RawFilePos = ha->MpqPos + hf->MpqFilePos;
hf->dwDataSize = pFileEntry->dwFileSize;
// If the MPQ has sector CRC enabled, enable if for the file
if(ha->dwFlags & MPQ_FLAG_CHECK_SECTOR_CRC)
hf->bCheckSectorCRCs = true;
// If we know the real file name, copy it to the file entry
if(bOpenByIndex == false)
{
// If there is no file name yet, allocate it
AllocateFileName(pFileEntry, szFileName);
// If the file is encrypted, we should detect the file key
if(pFileEntry->dwFlags & MPQ_FILE_ENCRYPTED)
{
hf->dwFileKey = DecryptFileKey(szFileName,
pFileEntry->ByteOffset,
pFileEntry->dwFileSize,
pFileEntry->dwFlags);
}
}
else
{
// Try to auto-detect the file name
if(!SFileGetFileName(hf, NULL))
nError = GetLastError();
}
}
// If the file is actually a patch file, we have to load the patch file header
if(nError == ERROR_SUCCESS && pFileEntry->dwFlags & MPQ_FILE_PATCH_FILE)
{
assert(hf->pPatchInfo == NULL);
nError = AllocatePatchInfo(hf, true);
}
// Cleanup
if(nError != ERROR_SUCCESS)
{
SetLastError(nError);
FreeMPQFile(hf);
}
*phFile = hf;
return (nError == ERROR_SUCCESS);
}
//-----------------------------------------------------------------------------
@ -385,14 +456,14 @@ bool WINAPI SFileHasFile(HANDLE hMpq, const char * szFileName)
bool WINAPI SFileCloseFile(HANDLE hFile)
{
TMPQFile * hf = (TMPQFile *)hFile;
if(!IsValidFileHandle(hFile))
if(!IsValidFileHandle(hf))
{
SetLastError(ERROR_INVALID_HANDLE);
return false;
}
// Free the structure
FreeFileHandle(hf);
FreeMPQFile(hf);
return true;
}