sbin/newfs_msdos/newfs_msdos.c

73 #define mincls(fat)  ((fat) == 12 ? MINCLS12 :	\
74 		      (fat) == 16 ? MINCLS16 :	\
77 #define maxcls(fat)  ((fat) == 12 ? MAXCLS12 :	\
78 		      (fat) == 16 ? MAXCLS16 :	\
261     u_int fat, bss, rds, cls, dir, lsn, x, x1, x2;
432     if (!(fat = opt_F)) {
434 	    fat = 12;
436 	    fat = 32;
438     if ((fat == 32 && opt_e) || (fat != 32 && (opt_i || opt_k)))
440 	     fat == 32 ? 'e' : opt_i ? 'i' : 'k',
441 	     fat == 32 ? "32" : "12/16");
442     if (opt_f && fat == 32)
501     if (!fat) {
512 	    fat = 12;
521 	    fat = 16;
523 	    fat = 32;
526     if (fat == 32) {
544 	bpb.bpbResSectors = fat == 32 ?
549     if (fat != 32 && !bpb.bpbRootDirEnts)
553 	for (bpb.bpbSecPerClust = howmany(fat == 16 ? DEFBLK16 :
557 	     howmany((RESFTE + maxcls(fat)) * (fat / BPN),
561 	     (u_int64_t) (maxcls(fat) + 1) *
565     if (fat != 32 && bpb.bpbBigFATsecs > MAXU16)
573 	(bpb.bpbSecPerClust * bpb.bpbBytesPerSec * NPB + fat /
575     x2 = howmany((RESFTE + MIN(x, maxcls(fat))) * (fat / BPN),
582     x = (u_int64_t)bpb.bpbBigFATsecs * bpb.bpbBytesPerSec * NPB / (fat / BPN) -
589     if (cls < mincls(fat))
590 	errx(1, "%u clusters too few clusters for FAT%u, need %u", cls, fat,
591 	    mincls(fat));
592     if (cls > maxcls(fat)) {
593 	cls = maxcls(fat);
600 	   cls * bpb.bpbSecPerClust == 1 ? "" : "s", cls, fat,
604     if (fat == 32)
610     if (fat != 32) {
627 	for (lsn = 0; lsn < dir + (fat == 32 ? bpb.bpbSecPerClust : rds); lsn++) {
631 			(dir + (fat == 32 ? bpb.bpbSecPerClust: rds)),
633 			    (fat == 32 ? bpb.bpbSecPerClust: rds)));
638 		fat == 32 && bpb.bpbBackup != MAXU16 &&
652 		(fat == 32 && bpb.bpbBackup != MAXU16 &&
669 		if (fat == 32) {
693 		sprintf(buf, "FAT%u", fat);
706 	    } else if (fat == 32 && bpb.bpbFSInfo != MAXU16 &&
720 		for (x = 1; x < fat * (fat == 32 ? 3 : 2) / 8; x++)
721 		    mk1(img[x], fat == 32 && x % 4 == 3 ? 0x0f : 0xff);