88 #define mk1(p, x)				\  argument
89     (p) = (u_int8_t)(x)
91 #define mk2(p, x)				\  argument
92     (p)[0] = (u_int8_t)(x),			\
93     (p)[1] = (u_int8_t)((x) >> 010)
95 #define mk4(p, x)				\  argument
96     (p)[0] = (u_int8_t)(x),			\
97     (p)[1] = (u_int8_t)((x) >> 010),		\
98     (p)[2] = (u_int8_t)((x) >> 020),		\
99     (p)[3] = (u_int8_t)((x) >> 030)
238 #define powerof2(x)     ((((x) - 1) & (x)) == 0)  argument
239 #define howmany(x, y)   (((x) + ((y) - 1)) / (y))  argument
240 #define MAX(x,y) ((x) > (y) ? (x) : (y))  argument
271     u_int fat, bss, rds, cls, dir, lsn, x, x1, x2;  in newfs_msdos_main()  local
534     x = bss;  in newfs_msdos_main()
537 	    if (x == MAXU16 || x == bpb.bkbs)  in newfs_msdos_main()
539 	    bpb.infs = x;  in newfs_msdos_main()
541 	if (bpb.infs != MAXU16 && x <= bpb.infs)  in newfs_msdos_main()
542 	    x = bpb.infs + 1;  in newfs_msdos_main()
544 	    if (x == MAXU16)  in newfs_msdos_main()
546 	    bpb.bkbs = x;  in newfs_msdos_main()
549 	if (bpb.bkbs != MAXU16 && x <= bpb.bkbs)  in newfs_msdos_main()
550 	    x = bpb.bkbs + 1;  in newfs_msdos_main()
553 	bpb.res = fat == 32 ? MAX(x, MAX(16384 / bpb.bps, 4)) : x;  in newfs_msdos_main()
554     else if (bpb.res < x)  in newfs_msdos_main()
571     x = bpb.bspf ? bpb.bspf : 1;  in newfs_msdos_main()
572     if (x1 + (u_int64_t)x * bpb.nft > bpb.bsec)  in newfs_msdos_main()
574     x1 += x * bpb.nft;  in newfs_msdos_main()
575     x = (u_int64_t)(bpb.bsec - x1) * bpb.bps * NPB /  in newfs_msdos_main()
577     x2 = howmany((RESFTE + MIN(x, maxcls(fat))) * (fat / BPN),  in newfs_msdos_main()
584     x = (u_int64_t)bpb.bspf * bpb.bps * NPB / (fat / BPN) - RESFTE;  in newfs_msdos_main()
585     if (cls > x)  in newfs_msdos_main()
586 	cls = x;  in newfs_msdos_main()
624 	    x = lsn;  in newfs_msdos_main()
627 		bss <= bpb.bkbs && x >= bpb.bkbs) {  in newfs_msdos_main()
628 		x -= bpb.bkbs;  in newfs_msdos_main()
629 		if (!x && lseek(fd1, opt_ofs, SEEK_SET))  in newfs_msdos_main()
632 	    if (opt_B && x < bss) {  in newfs_msdos_main()
636 		    errx(1, "%s: can't read sector %u", bname, x);  in newfs_msdos_main()
669 		    x = opt_I;  in newfs_msdos_main()
671 		    x = (((u_int)(1 + tm->tm_mon) << 8 |  in newfs_msdos_main()
678 		mk4(bsx->volid, x);  in newfs_msdos_main()
706 		for (x = 1; x < fat * (fat == 32 ? 3 : 2) / 8; x++)  in newfs_msdos_main()
707 		    mk1(img[x], fat == 32 && x % 4 == 3 ? 0x0f : 0xff);  in newfs_msdos_main()
712 		x = (u_int)tm->tm_hour << 11 |  in newfs_msdos_main()
715 		mk2(de->time, x);  in newfs_msdos_main()
716 		x = (u_int)(tm->tm_year - 80) << 9 |  in newfs_msdos_main()
719 		mk2(de->date, x);  in newfs_msdos_main()
770     u_int x, i;  in getstdfmt()  local
772     x = sizeof(stdfmt) / sizeof(stdfmt[0]);  in getstdfmt()
773     for (i = 0; i < x && strcmp(fmt, stdfmt[i].name); i++);  in getstdfmt()
774     if (i == x)  in getstdfmt()
954     u_long x;  in argtou()  local
957     x = strtoul(arg, &s, 0);  in argtou()
958     if (errno || !*arg || *s || x < lo || x > hi)  in argtou()
960     return x;  in argtou()
970     off_t x;  in argtooff()  local
972     x = strtoll(arg, &s, 0);  in argtooff()
974     if (errno || x < 0 || (s[0] && s[1]) )  in argtooff()
984 	    x <<= 9;	/* times 512 */  in argtooff()
989 	    x <<= 10;	/* times 1024 */  in argtooff()
994 	    x <<= 20;	/* times 1024*1024 */  in argtooff()
999 	    x <<= 30;	/* times 1024*1024*1024 */  in argtooff()
1010     return x;  in argtooff()