int ConfigIniFile::OpenFile( const char* szFileName )

{

    FILE    *fp;

    size_t    nLen;

    int        nRet;

    CloseFile();

    if (  == szFileName )

    {

        return -;

    }

#if defined(_WIN32)

    m_szFileName = _strdup( szFileName );

#else

    m_szFileName = strdup( szFileName );

#endif

    fp = fopen( m_szFileName, "rb" );

    if (  == fp )

    {

        return -;

    }

    nRet = fseek( fp, 0L, SEEK_END );

    if (nRet != )

    {

        fclose( fp );

        return -;

    }

    nLen = (size_t) ftell( fp );

    m_szContent = (char* ) new char[ nLen +  ];

    m_szShadow  = (char* ) new char[ nLen +  ];

    if ( m_szShadow ==   || m_szContent ==  )

    {

        fclose( fp );

        return -;

    }

    nRet = fseek( fp, 0L, SEEK_SET );

    if (  != nRet )

    {

        fclose( fp );

        return -;

    }

    m_nSize = fread( m_szContent, , nLen, fp );

    m_szContent[m_nSize] = '\0';

    memcpy( m_szShadow, m_szContent, m_nSize +  );

    ToLower( m_szShadow, m_nSize +  );

    fclose( fp );

    m_bOpen = true;

    return ;

}