Function LoadFileToMemory

src/External/CascLib/src/CascFiles.cpp:1789–1839

}

DWORD LoadFileToMemory(LPCTSTR szFileName, CASC_BLOB & FileData)
{
    TFileStream * pStream;
    ULONGLONG FileSize = 0;
    DWORD dwErrCode = ERROR_SUCCESS;

    // Open the stream for read-only access and read the file
    pStream = FileStream_OpenFile(szFileName, STREAM_FLAG_READ_ONLY | STREAM_FLAG_WRITE_SHARE | STREAM_PROVIDER_FLAT | BASE_PROVIDER_FILE);
    if(pStream != NULL)
    {
        // Retrieve the file size
        FileStream_GetSize(pStream, &FileSize);

        // Do not load zero files or too large files
        if(0 < FileSize && FileSize <= 0x2000000)
        {
            // Allocate file data buffer. Make it 1 byte longer
            // so string functions can put '\0' there
            dwErrCode = FileData.SetSize((size_t)(FileSize));
            if(dwErrCode == ERROR_SUCCESS)
            {
                if(FileStream_Read(pStream, NULL, FileData.pbData, (DWORD)(FileData.cbData)))
                {
                    // Terminate the data with zero so various string-based functions can process it
                    FileData.pbData[FileData.cbData] = 0;
                }
                else
                {
                    dwErrCode = GetCascError();
                }
            }
            else
            {
                dwErrCode = ERROR_NOT_ENOUGH_MEMORY;
            }
        }
        else
        {
            dwErrCode = ERROR_BAD_FORMAT;
        }

        // Close the file stream
        FileStream_Close(pStream);
    }
    else
    {
        dwErrCode = GetCascError();
    }
    
    return dwErrCode;
}

//-----------------------------------------------------------------------------
// Public CDN functions