> First non-bug: LFN-EN utilities don't work with my FAT32 partition > under FreeDOS. > > After examining the source code, it turns out that the logic was coded > in 1999 when > the only DOS that could handle FAT32 was MS-DOS. When run under > FreeDOS, the utilities > assume no FAT32 support, so they misidentify the partition as FAT12. > > For test purposes, I made a version that accepted the vendor byte FD > (FreeDOS) instead of > FF (MS-DOS) and it worked, but anything used in production would have to > use a different > method to determine whether FAT32 is supported (FreeDOS comes both ways, > and there are several DOSses today that support FAT32.) > > There is similar logic that determines which versions of DOS require > volume locking > (MS-DOS 7 or later.) > > Fortunately the LFN-EN utilities are open source, so someone could fix > this.
A reliable FAT32 test method is to check whether a common subfunction of Interrupt 21h, Function 73h (FAT32 extensions) is supported. I disregard any method that works per DOS version. Users apparently don't want technical details on the Freedos-user list however. Regards, Christian ------------------------------------------------------------------------------ _______________________________________________ Freedos-user mailing list Freedos-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-user
