UDF 2.00 - OSTA - Optical Storage Technology Association

for (index = 0 ; index < udfLen ; index++)
{
current = udfName[index];
current = UnicodeToUpper(current);
if (current == PERIOD)
{
if (dosIndex==0 || hasExt)
{
/* Ignore leading periods or any other than
* used for extension.
*/
needsCRC = TRUE;
}
else
{
/* First, find last character which is NOT a period
* or space.
*/
lastPeriodIndex = udfLen - 1;
while(lastPeriodIndex >=0 &&
(udfName[lastPeriodIndex]== PERIOD ||
udfName[lastPeriodIndex] == SPACE))
{
lastPeriodIndex--;
}
/* Now search for last remaining period. */
while(lastPeriodIndex >= 0 &&
udfName[lastPeriodIndex] != PERIOD)
{
lastPeriodIndex--;
}
/* See if the period we found was the last or not. */
if (lastPeriodIndex != index)
{
needsCRC = TRUE; /* If not, name needs translation. */
}
}
}
else
{
/* As long as the period was not trailing,
* the file name has an extension.
*/
if (lastPeriodIndex >= 0)
{
hasExt = TRUE;
}
if ((!hasExt && dosIndex == DOS_NAME_LEN) ||
extIndex == DOS_EXT_LEN)
{
/* File name or extension is too long for DOS. */
needsCRC = TRUE;