here - OSTA - Optical Storage Technology Association

if (index < udfLabelLen || index == 0)
needsCRC = TRUE;
/* Append the CRC code to the file name, if needed. */
if (needsCRC) {
/* Get the CRC value for the original Unicode string */
UINT16 udfCRCValue = CalculateCRC(udfName, udfNameLen);
/* Determine the character index where the CRC should */
/* begin. */
targetIndex = crcIndex;
/* If the character being overlayed is a two-byte BCS */
/* character, replace the first byte with an underscore. */
if (overlayBytes > 0)
dosLabel[targetIndex++] = '_';
}
/* Append the encoded CRC value with delimiter. */
dosLabel[targetIndex++] = '#';
dosLabel[targetIndex++] =
crcChar[udfCRCValue / (DOS_CRC_MODULUS * DOS_CRC_MODULUS)];
udfCRCValue %= DOS_CRC_MODULUS * DOS_CRC_MODULUS;
dosLabel[targetIndex++] =
crcChar[udfCRCValue / DOS_CRC_MODULUS];
udfCRCValue %= DOS_CRC_MODULUS;
dosLabel[targetIndex++] = crcChar[udfCRCValue];
}
/* Return the length of the resulting Unicode string. */
return (UINT16)targetIndex;
/*******************************************************************/
/* UnicodeToUpper() */
/* Convert the given character to upper-case Unicode. */
/*******************************************************************/
UNICODE_CHAR UnicodeToUpper(UNICODE_CHAR value)
{
/* Actual implementation will vary to accommodate the target */
/* operating system API services. */
/* Just handle the ASCII range for the time being. */
return (value >= 'a' && value