here - OSTA - Optical Storage Technology Association

nameLen = udfNameLen;
}
else {
/* A DOS extension was found, process it first. */
extLen = udfNameLen - index - 1;
nameLen = index;
targetIndex = 0;
bytesLeft = DOS_EXT_LEN;
while (++index < udfNameLen && bytesLeft > 0) {
/* Get the current character and convert it to upper */
/* case. */
current = UnicodeToUpper(udfName[index]);
if (current == ' ') {
/* If a space is found, a CRC must be appended to */
/* the mangled file name. */
needsCRC = TRUE;
}
else {
/* Determine if this is a valid file name char and */
/* calculate its corresponding BCS character byte */
/* length (zero if the char is not legal or */
/* undisplayable on this system). */
charLen = (IsFileNameCharLegal(current)) ?
NativeCharLength(current) : 0;
/* If the char is larger than the available space */
/* in the buffer, pretend it is undisplayable. */
if (charLen > bytesLeft)
charLen = 0;
if (charLen == 0) {
/* Undisplayable or illegal characters are */
/* substituted with an underscore ("_"), and */
/* required a CRC code appended to the mangled */
/* file name. */
needsCRC = TRUE;
charLen = 1;
current = '_';
}
}
/* Skip over any following undiplayable or */
/* illegal chars. */
while (index +1 0) {
/* Get the current character and convert it to upper case. */
current = UnicodeToUpper(udfName[index]);
if (current ==' ' ||current == '.') {
/* Spaces and periods are just skipped, a CRC code */
/* must be added to the mangled file name. */
needsCRC = TRUE;
}
else {
UDF 2.01
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