78 #define	mincls(fat)  ((fat) == 12 ? MINCLS12 :	\  argument
79 		      (fat) == 16 ? MINCLS16 :	\
82 #define	maxcls(fat)  ((fat) == 12 ? MAXCLS12 :	\  argument
83 		      (fat) == 16 ? MAXCLS16 :	\
251     u_int fat, bss, rds, cls, dir, lsn, x, x1, x2;  in mkfs_msdos()  local
361     if (!(fat = o.fat_type)) {  in mkfs_msdos()
363 	    fat = 12;  in mkfs_msdos()
365 	    fat = 32;  in mkfs_msdos()
367     if ((fat == 32 && o.directory_entries) || (fat != 32 && (o.info_sector || o.backup_sector))) {  in mkfs_msdos()
369 	     fat == 32 ? 'e' : o.info_sector ? 'i' : 'k',  in mkfs_msdos()
370 	     fat == 32 ? "32" : "12/16");  in mkfs_msdos()
373     if (o.floppy && fat == 32)  in mkfs_msdos()
375     if (fat != 0 && fat != 12 && fat != 16 && fat != 32) {  in mkfs_msdos()
376 	warnx("%d: bad FAT type", fat);  in mkfs_msdos()
457     if (!fat) {  in mkfs_msdos()
468 	    fat = 12;  in mkfs_msdos()
477 	    fat = 16;  in mkfs_msdos()
479 	    fat = 32;  in mkfs_msdos()
482     if (fat == 32) {  in mkfs_msdos()
525 	    bpb.bpbResSectors = ((fat == 32) ?  in mkfs_msdos()
532 	if (fat != 32 && !bpb.bpbRootDirEnts)  in mkfs_msdos()
537 	    for (bpb.bpbSecPerClust = howmany(fat == 16 ? DEFBLK16 :  in mkfs_msdos()
540 		    howmany((RESFTE + maxcls(fat)) * (fat / BPN),  in mkfs_msdos()
543 		    (u_int64_t) (maxcls(fat) + 1) * bpb.bpbSecPerClust) <=  in mkfs_msdos()
549 	if (fat != 32 && bpb.bpbBigFATsecs > MAXU16) {  in mkfs_msdos()
562 	    fat / BPN * bpb.bpbFATs);  in mkfs_msdos()
563 	x2 = howmany((RESFTE + MIN(x, maxcls(fat))) * (fat / BPN),  in mkfs_msdos()
586     x = (u_int64_t)bpb.bpbBigFATsecs * bpb.bpbBytesPerSec * NPB / (fat / BPN) -  in mkfs_msdos()
593     if (cls < mincls(fat)) {  in mkfs_msdos()
594 	warnx("%u clusters too few clusters for FAT%u, need %u", cls, fat,  in mkfs_msdos()
595 	    mincls(fat));  in mkfs_msdos()
598     if (cls > maxcls(fat)) {  in mkfs_msdos()
599 	cls = maxcls(fat);  in mkfs_msdos()
606 	   cls * bpb.bpbSecPerClust == 1 ? "" : "s", cls, fat,  in mkfs_msdos()
610     if (fat == 32)  in mkfs_msdos()
616     if (fat != 32) {  in mkfs_msdos()
651 	for (lsn = 0; lsn < dir + (fat == 32 ? bpb.bpbSecPerClust : rds); lsn++) {  in mkfs_msdos()
655 			(dir + (fat == 32 ? bpb.bpbSecPerClust: rds)),  in mkfs_msdos()
657 			    (fat == 32 ? bpb.bpbSecPerClust: rds)));  in mkfs_msdos()
662 		fat == 32 && bpb.bpbBackup != MAXU16 &&  in mkfs_msdos()
682 		(fat == 32 && bpb.bpbBackup != MAXU16 &&  in mkfs_msdos()
699 		if (fat == 32) {  in mkfs_msdos()
723 		snprintf(buf, sizeof(buf), "FAT%u", fat);  in mkfs_msdos()
736 	    } else if (fat == 32 && bpb.bpbFSInfo != MAXU16 &&  in mkfs_msdos()
750 		for (x = 1; x < fat * (fat == 32 ? 3 : 2) / 8; x++)  in mkfs_msdos()
751 		    mk1(img[x], fat == 32 && x % 4 == 3 ? 0x0f : 0xff);  in mkfs_msdos()