diff options
Diffstat (limited to 'sbin/newfs_msdos/newfs_msdos.c')
| -rw-r--r-- | sbin/newfs_msdos/newfs_msdos.c | 41 |
1 files changed, 22 insertions, 19 deletions
diff --git a/sbin/newfs_msdos/newfs_msdos.c b/sbin/newfs_msdos/newfs_msdos.c index f09578a..c5a59e4 100644 --- a/sbin/newfs_msdos/newfs_msdos.c +++ b/sbin/newfs_msdos/newfs_msdos.c @@ -62,12 +62,12 @@ static const char rcsid[] = #define DEFBLK16 2048 /* default block size FAT16 */ #define DEFRDE 512 /* default root directory entries */ #define RESFTE 2 /* reserved FAT entries */ -#define MINCLS12 1 /* minimum FAT12 clusters */ -#define MINCLS16 0x1000 /* minimum FAT16 clusters */ -#define MINCLS32 2 /* minimum FAT32 clusters */ -#define MAXCLS12 0xfed /* maximum FAT12 clusters */ -#define MAXCLS16 0xfff5 /* maximum FAT16 clusters */ -#define MAXCLS32 0xffffff5 /* maximum FAT32 clusters */ +#define MINCLS12 1U /* minimum FAT12 clusters */ +#define MINCLS16 0x1000U /* minimum FAT16 clusters */ +#define MINCLS32 2U /* minimum FAT32 clusters */ +#define MAXCLS12 0xfedU /* maximum FAT12 clusters */ +#define MAXCLS16 0xfff5U /* maximum FAT16 clusters */ +#define MAXCLS32 0xffffff5U /* maximum FAT32 clusters */ #define mincls(fat) ((fat) == 12 ? MINCLS12 : \ (fat) == 16 ? MINCLS16 : \ @@ -165,20 +165,23 @@ struct bpb { #define BPBGAP 0, 0, 0, 0, 0, 0 +#define INIT(a, b, c, d, e, f, g, h, i, j) \ + { .bps = a, .spc = b, .res = c, .nft = d, .rde = e, \ + .sec = f, .mid = g, .spf = h, .spt = i, .hds = j, } static struct { const char *name; struct bpb bpb; } const stdfmt[] = { - {"160", {512, 1, 1, 2, 64, 320, 0xfe, 1, 8, 1, BPBGAP}}, - {"180", {512, 1, 1, 2, 64, 360, 0xfc, 2, 9, 1, BPBGAP}}, - {"320", {512, 2, 1, 2, 112, 640, 0xff, 1, 8, 2, BPBGAP}}, - {"360", {512, 2, 1, 2, 112, 720, 0xfd, 2, 9, 2, BPBGAP}}, - {"640", {512, 2, 1, 2, 112, 1280, 0xfb, 2, 8, 2, BPBGAP}}, - {"720", {512, 2, 1, 2, 112, 1440, 0xf9, 3, 9, 2, BPBGAP}}, - {"1200", {512, 1, 1, 2, 224, 2400, 0xf9, 7, 15, 2, BPBGAP}}, - {"1232", {1024,1, 1, 2, 192, 1232, 0xfe, 2, 8, 2, BPBGAP}}, - {"1440", {512, 1, 1, 2, 224, 2880, 0xf0, 9, 18, 2, BPBGAP}}, - {"2880", {512, 2, 1, 2, 240, 5760, 0xf0, 9, 36, 2, BPBGAP}} + {"160", INIT(512, 1, 1, 2, 64, 320, 0xfe, 1, 8, 1)}, + {"180", INIT(512, 1, 1, 2, 64, 360, 0xfc, 2, 9, 1)}, + {"320", INIT(512, 2, 1, 2, 112, 640, 0xff, 1, 8, 2)}, + {"360", INIT(512, 2, 1, 2, 112, 720, 0xfd, 2, 9, 2)}, + {"640", INIT(512, 2, 1, 2, 112, 1280, 0xfb, 2, 8, 2)}, + {"720", INIT(512, 2, 1, 2, 112, 1440, 0xf9, 3, 9, 2)}, + {"1200", INIT(512, 1, 1, 2, 224, 2400, 0xf9, 7, 15, 2)}, + {"1232", INIT(1024,1, 1, 2, 192, 1232, 0xfe, 2, 8, 2)}, + {"1440", INIT(512, 1, 1, 2, 224, 2880, 0xf0, 9, 18, 2)}, + {"2880", INIT(512, 2, 1, 2, 240, 5760, 0xf0, 9, 36, 2)} }; static const u_int8_t bootcode[] = { @@ -533,7 +536,7 @@ main(int argc, char *argv[]) if (!bpb.res) bpb.res = fat == 32 ? MAX(x, MAX(16384 / bpb.bps, 4)) : x; else if (bpb.res < x) - errx(1, "too few reserved sectors"); + errx(1, "too few reserved sectors (need %d have %d)", x, bpb.res); if (fat != 32 && !bpb.rde) bpb.rde = DEFRDE; rds = howmany(bpb.rde, bpb.bps / sizeof(struct de)); @@ -657,7 +660,7 @@ main(int argc, char *argv[]) ((u_int)tm->tm_hour << 8 | (u_int)tm->tm_min)); mk4(bsx->volid, x); - mklabel(bsx->label, opt_L ? opt_L : "NO NAME"); + mklabel(bsx->label, opt_L ? opt_L : "NO_NAME"); sprintf(buf, "FAT%u", fat); setstr(bsx->type, buf, sizeof(bsx->type)); if (!opt_B) { @@ -666,7 +669,7 @@ main(int argc, char *argv[]) mk1(bs->jmp[0], 0xeb); mk1(bs->jmp[1], x1 - 2); mk1(bs->jmp[2], 0x90); - setstr(bs->oem, opt_O ? opt_O : "BSD 4.4", + setstr(bs->oem, opt_O ? opt_O : "BSD4.4 ", sizeof(bs->oem)); memcpy(img + x1, bootcode, sizeof(bootcode)); mk2(img + MINBPS - 2, DOSMAGIC); |
