Function ListFile_OpenExternal

src/External/CascLib/src/common/ListFile.cpp:126–161

// Functions for parsing an external listfile

void * ListFile_OpenExternal(LPCTSTR szListFile)
{
    PLISTFILE_CACHE pCache = NULL;
    TFileStream * pStream;
    ULONGLONG FileSize = 0;

    // Open the external listfile
    pStream = FileStream_OpenFile(szListFile, STREAM_FLAG_READ_ONLY);
    if(pStream != NULL)
    {
        // Retrieve the size of the external listfile
        FileStream_GetSize(pStream, &FileSize);
        if(0 < FileSize && FileSize <= 0x30000000)
        {
            // Create the in-memory cache for the entire listfile
            // The listfile does not have any data loaded yet
            pCache = ListFile_CreateCache((DWORD)FileSize);
            if(pCache != NULL)
            {
                if(FileStream_Read(pStream, NULL, pCache->pBegin, (DWORD)FileSize))
                {
                    ListFile_CheckFormat(pCache);
                }
                else
                {
                    CASC_FREE(pCache);
                }
            }
        }

        // Close the file stream
        FileStream_Close(pStream);
    }

    return pCache;
}

void * ListFile_FromBuffer(LPBYTE pbBuffer, DWORD cbBuffer)
{