* Modified for BusyBox by Erik Andersen <andersen@debian.org> --
* removed getopt based parser and added a hand rolled one.
*/
+//config:config MKFS_MINIX
+//config: bool "mkfs_minix"
+//config: default y
+//config: select PLATFORM_LINUX
+//config: help
+//config: The minix filesystem is a nice, small, compact, read-write filesystem
+//config: with little overhead. If you wish to be able to create minix
+//config: filesystems this utility will do the job for you.
+//config:
+//config:config FEATURE_MINIX2
+//config: bool "Support Minix fs v2 (fsck_minix/mkfs_minix)"
+//config: default y
+//config: depends on FSCK_MINIX || MKFS_MINIX
+//config: help
+//config: If you wish to be able to create version 2 minix filesystems, enable
+//config: this. If you enabled 'mkfs_minix' then you almost certainly want to
+//config: be using the version 2 filesystem support.
+
+// APPLET_ODDNAME:name main location suid_type help
+//applet:IF_MKFS_MINIX(APPLET_ODDNAME(mkfs.minix, mkfs_minix, BB_DIR_SBIN, BB_SUID_DROP, mkfs_minix))
+
+//kbuild:lib-$(CONFIG_MKFS_MINIX) += mkfs_minix.o
//usage:#define mkfs_minix_trivial_usage
//usage: "[-c | -l FILE] [-nXX] [-iXX] BLOCKDEV [KBYTES]"
//usage:#define mkfs_minix_full_usage "\n\n"
//usage: "Make a MINIX filesystem\n"
-//usage: "\nOptions:"
//usage: "\n -c Check device for bad blocks"
//usage: "\n -n [14|30] Maximum length of filenames"
//usage: "\n -i INODES Number of inodes for the filesystem"
# define BLKGETSIZE _IO(0x12,96) /* return device size */
#endif
-
-static long valid_offset(int fd, int offset)
-{
- char ch;
-
- if (lseek(fd, offset, SEEK_SET) < 0)
- return 0;
- if (read(fd, &ch, 1) < 1)
- return 0;
- return 1;
-}
-
-static int count_blocks(int fd)
-{
- int high, low;
-
- low = 0;
- for (high = 1; valid_offset(fd, high); high *= 2)
- low = high;
-
- while (low < high - 1) {
- const int mid = (low + high) / 2;
-
- if (valid_offset(fd, mid))
- low = mid;
- else
- high = mid;
- }
- valid_offset(fd, 0);
- return (low + 1);
-}
-
-static int get_size(const char *file)
-{
- int fd;
- long size;
-
- fd = xopen(file, O_RDWR);
- if (ioctl(fd, BLKGETSIZE, &size) >= 0) {
- close(fd);
- return (size * 512);
- }
-
- size = count_blocks(fd);
- close(fd);
- return size;
-}
-
static void write_tables(void)
{
/* Mark the superblock valid. */
listfile = xfopen_for_read(filename);
while (!feof(listfile)) {
- fscanf(listfile, "%ld\n", &blockno);
+ fscanf(listfile, "%lu\n", &blockno);
mark_zone(blockno);
G.badblocks++;
}
for (i = MINIX_ROOT_INO; i <= SB_INODES; i++)
unmark_inode(i);
G.inode_buffer = xzalloc(INODE_BUFFER_SIZE);
- printf("%ld inodes\n", (long)SB_INODES);
- printf("%ld blocks\n", (long)SB_ZONES);
- printf("Firstdatazone=%ld (%ld)\n", (long)SB_FIRSTZONE, (long)norm_firstzone);
- printf("Zonesize=%d\n", BLOCK_SIZE << SB_ZONE_SIZE);
- printf("Maxsize=%ld\n", (long)SB_MAXSIZE);
+ printf("%lu inodes\n", (unsigned long)SB_INODES);
+ printf("%lu blocks\n", (unsigned long)SB_ZONES);
+ printf("Firstdatazone=%lu (%lu)\n", (unsigned long)SB_FIRSTZONE, (unsigned long)norm_firstzone);
+ printf("Zonesize=%u\n", BLOCK_SIZE << SB_ZONE_SIZE);
+ printf("Maxsize=%lu\n", (unsigned long)SB_MAXSIZE);
}
int mkfs_minix_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
{
unsigned opt;
char *tmp;
- struct stat statbuf;
char *str_i;
char *listfile = NULL;
bb_error_msg_and_die("bad inode size");
#endif
- opt_complementary = "n+"; /* -n N */
- opt = getopt32(argv, "ci:l:n:v", &str_i, &listfile, &G.namelen);
+ opt = getopt32(argv, "ci:l:n:+v", &str_i, &listfile, &G.namelen);
argv += optind;
//if (opt & 1) -c
if (opt & 2) G.req_nr_inodes = xatoul(str_i); // -i
#endif
}
- G.device_name = *argv++;
+ G.device_name = argv[0];
if (!G.device_name)
bb_show_usage();
- if (*argv)
- G.total_blocks = xatou32(*argv);
- else
- G.total_blocks = get_size(G.device_name) / 1024;
+
+ /* Check if it is mounted */
+ if (find_mount_point(G.device_name, 0))
+ bb_error_msg_and_die("can't format mounted filesystem");
+
+ xmove_fd(xopen(G.device_name, O_RDWR), dev_fd);
+
+ G.total_blocks = get_volume_size_in_bytes(dev_fd, argv[1], 1024, /*extend:*/ 1) / 1024;
if (G.total_blocks < 10)
bb_error_msg_and_die("must have at least 10 blocks");
G.magic = MINIX2_SUPER_MAGIC;
} else if (G.total_blocks > 65535)
G.total_blocks = 65535;
-
- /* Check if it is mounted */
- if (find_mount_point(G.device_name, 0))
- bb_error_msg_and_die("can't format mounted filesystem");
-
- xmove_fd(xopen(G.device_name, O_RDWR), dev_fd);
+#if 0
+ struct stat statbuf;
xfstat(dev_fd, &statbuf, G.device_name);
+/* why? */
if (!S_ISBLK(statbuf.st_mode))
opt &= ~1; // clear -c (check)
-
+#if 0
/* I don't know why someone has special code to prevent mkfs.minix
* on IDE devices. Why IDE but not SCSI, etc?... */
-#if 0
else if (statbuf.st_rdev == 0x0300 || statbuf.st_rdev == 0x0340)
/* what is this? */
bb_error_msg_and_die("will not try "
"to make filesystem on '%s'", G.device_name);
#endif
-
+#endif
tmp = G.root_block;
*(short *) tmp = 1;
strcpy(tmp + 2, ".");
projects / oweals / busybox.git / blobdiff