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Dep/CascLib: Update to ladislav-zezula/CascLib@b91f87c770

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Shauren
2019-08-10 19:01:24 +02:00
parent 0d6320dfd3
commit cd720efbfa
37 changed files with 3325 additions and 2303 deletions
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70
dep/CascLib/src/CascFindFile.cpp
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@@ -24,49 +24,52 @@ static void ResetFindData(PCASC_FIND_DATA pFindData)
pFindData->szFileName[0] = 0;
pFindData->szPlainName = pFindData->szFileName;
pFindData->TagBitMask = 0;
pFindData->FileSize = CASC_INVALID_SIZE64;
pFindData->dwFileDataId = CASC_INVALID_ID;
pFindData->dwFileSize = CASC_INVALID_SIZE;
pFindData->dwLocaleFlags = CASC_INVALID_ID;
pFindData->dwContentFlags = CASC_INVALID_ID;
pFindData->dwSpanCount = 1;
pFindData->NameType = CascNameFull;
pFindData->bFileAvailable = false;
pFindData->bCanOpenByName = false;
pFindData->bCanOpenByDataId = false;
pFindData->bCanOpenByCKey = false;
pFindData->bCanOpenByEKey = false;
}
static void SupplyFakeFileName(PCASC_FIND_DATA pFindData)
static void SupplyFakeFileName(PCASC_FIND_DATA pFindData, PCASC_CKEY_ENTRY pCKeyEntry)
{
// If the file can be open by file data id, create fake file name
if(pFindData->bCanOpenByDataId)
// If there is a file data ID, create fake file name
if(pFindData->dwFileDataId != CASC_INVALID_ID)
{
CascStrPrintf(pFindData->szFileName, _countof(pFindData->szFileName), "FILE%08X.dat", pFindData->dwFileDataId);
pFindData->NameType = CascNameDataId;
return;
}
// If the file can be open by CKey, convert the CKey to file name
if(pFindData->bCanOpenByCKey)
// If there is a CKey, convert the CKey to file name
if(pCKeyEntry->Flags & CASC_CE_HAS_CKEY)
{
StringFromBinary(pFindData->CKey, MD5_HASH_SIZE, pFindData->szFileName);
pFindData->NameType = CascNameCKey;
return;
}
// CKey should be always present
StringFromBinary(pFindData->EKey, MD5_HASH_SIZE, pFindData->szFileName);
pFindData->NameType = CascNameEKey;
assert(pFindData->bCanOpenByEKey != false);
// EKey should be always present
if(pCKeyEntry->Flags & CASC_CE_HAS_EKEY)
{
StringFromBinary(pFindData->EKey, MD5_HASH_SIZE, pFindData->szFileName);
pFindData->NameType = CascNameEKey;
return;
}
assert(false);
}
static bool CopyCKeyEntryToFindData(PCASC_FIND_DATA pFindData, PCASC_CKEY_ENTRY pCKeyEntry)
{
ULONGLONG ContentSize = 0;
ULONGLONG EncodedSize = 0;
// Supply both keys
CopyMemory16(pFindData->CKey, pCKeyEntry->CKey);
CopyMemory16(pFindData->EKey, pCKeyEntry->EKey);
pFindData->bCanOpenByCKey = (pCKeyEntry->Flags & CASC_CE_HAS_CKEY) ? true : false;
pFindData->bCanOpenByEKey = (pCKeyEntry->Flags & CASC_CE_HAS_EKEY) ? true : false;
// Supply the tag mask
pFindData->TagBitMask = pCKeyEntry->TagBitMask;
@@ -77,15 +80,21 @@ static bool CopyCKeyEntryToFindData(PCASC_FIND_DATA pFindData, PCASC_CKEY_ENTRY
// If we retrieved the file size directly from the root provider, use it
// Otherwise, supply EncodedSize or ContentSize, whichever is available (but ContentSize > EncodedSize)
if(pFindData->dwFileSize == CASC_INVALID_SIZE)
pFindData->dwFileSize = pCKeyEntry->ContentSize;
pFindData->dwSpanCount = GetFileSpanInfo(pCKeyEntry, &ContentSize, &EncodedSize);
if(pFindData->FileSize == CASC_INVALID_SIZE64)
{
if(ContentSize != CASC_INVALID_SIZE64)
pFindData->FileSize = ContentSize;
else
pFindData->FileSize = EncodedSize;
}
// Set flag indicating that the file is locally available
pFindData->bFileAvailable = (pCKeyEntry->Flags & CASC_CE_FILE_IS_LOCAL);
// Supply a fake file name, if there is none supplied by the root handler
if(pFindData->szFileName[0] == 0)
SupplyFakeFileName(pFindData);
SupplyFakeFileName(pFindData, pCKeyEntry);
return true;
}
@@ -127,9 +136,12 @@ static bool DoStorageSearch_CKey(TCascSearch * pSearch, PCASC_FIND_DATA pFindDat
// Check for CKeys that haven't been found yet
while(pSearch->nFileIndex < nTotalItems)
{
// Locate the n-th CKey entry. If this entry is not referenced by the root handler, we include it in the search result
// Locate the n-th CKey entry.
pCKeyEntry = (PCASC_CKEY_ENTRY)hs->CKeyArray.ItemAt(pSearch->nFileIndex++);
if((pCKeyEntry->Flags & CASC_CE_FOLDER_ENTRY) == 0 && pCKeyEntry->RefCount == 0)
// BREAK_ON_XKEY3(pCKeyEntry->CKey, 0x2B, 0xfc, 0xe4);
// Only report files that are unreferenced by the ROOT handler
if(pCKeyEntry->IsFile() && pCKeyEntry->RefCount == 0)
{
return CopyCKeyEntryToFindData(pFindData, pCKeyEntry);
}
@@ -189,31 +201,31 @@ HANDLE WINAPI CascFindFirstFile(
{
TCascStorage * hs;
TCascSearch * pSearch = NULL;
int nError = ERROR_SUCCESS;
DWORD dwErrCode = ERROR_SUCCESS;
// Check parameters
if((hs = TCascStorage::IsValid(hStorage)) == NULL)
nError = ERROR_INVALID_HANDLE;
dwErrCode = ERROR_INVALID_HANDLE;
if(szMask == NULL || pFindData == NULL)
nError = ERROR_INVALID_PARAMETER;
dwErrCode = ERROR_INVALID_PARAMETER;
// Init the search structure and search handle
if(nError == ERROR_SUCCESS)
if(dwErrCode == ERROR_SUCCESS)
{
// Allocate the search handle
pSearch = new TCascSearch(hs, szListFile, szMask);
if(pSearch == NULL)
nError = ERROR_NOT_ENOUGH_MEMORY;
dwErrCode = ERROR_NOT_ENOUGH_MEMORY;
}
// Perform search
if(nError == ERROR_SUCCESS)
if(dwErrCode == ERROR_SUCCESS)
{
if(!DoStorageSearch(pSearch, pFindData))
nError = ERROR_NO_MORE_FILES;
dwErrCode = ERROR_NO_MORE_FILES;
}
if(nError != ERROR_SUCCESS)
if(dwErrCode != ERROR_SUCCESS)
{
delete pSearch;
pSearch = (TCascSearch *)INVALID_HANDLE_VALUE;