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-rw-r--r--mkfs_minix.c847
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diff --git a/mkfs_minix.c b/mkfs_minix.c
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--- a/mkfs_minix.c
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@@ -1,847 +0,0 @@
-/* vi: set sw=4 ts=4: */
-/*
- * mkfs.c - make a linux (minix) file-system.
- *
- * (C) 1991 Linus Torvalds. This file may be redistributed as per
- * the Linux copyright.
- */
-
-/*
- * DD.MM.YY
- *
- * 24.11.91 - Time began. Used the fsck sources to get started.
- *
- * 25.11.91 - Corrected some bugs. Added support for ".badblocks"
- * The algorithm for ".badblocks" is a bit weird, but
- * it should work. Oh, well.
- *
- * 25.01.92 - Added the -l option for getting the list of bad blocks
- * out of a named file. (Dave Rivers, rivers@ponds.uucp)
- *
- * 28.02.92 - Added %-information when using -c.
- *
- * 28.02.93 - Added support for other namelengths than the original
- * 14 characters so that I can test the new kernel routines..
- *
- * 09.10.93 - Make exit status conform to that required by fsutil
- * (Rik Faith, faith@cs.unc.edu)
- *
- * 31.10.93 - Added inode request feature, for backup floppies: use
- * 32 inodes, for a news partition use more.
- * (Scott Heavner, sdh@po.cwru.edu)
- *
- * 03.01.94 - Added support for file system valid flag.
- * (Dr. Wettstein, greg%wind.uucp@plains.nodak.edu)
- *
- * 30.10.94 - added support for v2 filesystem
- * (Andreas Schwab, schwab@issan.informatik.uni-dortmund.de)
- *
- * 09.11.94 - Added test to prevent overwrite of mounted fs adapted
- * from Theodore Ts'o's (tytso@athena.mit.edu) mke2fs
- * program. (Daniel Quinlan, quinlan@yggdrasil.com)
- *
- * 03.20.95 - Clear first 512 bytes of filesystem to make certain that
- * the filesystem is not misidentified as a MS-DOS FAT filesystem.
- * (Daniel Quinlan, quinlan@yggdrasil.com)
- *
- * 02.07.96 - Added small patch from Russell King to make the program a
- * good deal more portable (janl@math.uio.no)
- *
- * Usage: mkfs [-c | -l filename ] [-v] [-nXX] [-iXX] device [size-in-blocks]
- *
- * -c for readablility checking (SLOW!)
- * -l for getting a list of bad blocks from a file.
- * -n for namelength (currently the kernel only uses 14 or 30)
- * -i for number of inodes
- * -v for v2 filesystem
- *
- * The device may be a block device or a image of one, but this isn't
- * enforced (but it's not much fun on a character device :-).
- *
- * Modified for BusyBox by Erik Andersen <andersen@debian.org> --
- * removed getopt based parser and added a hand rolled one.
- */
-
-#include <stdio.h>
-#include <time.h>
-#include <unistd.h>
-#include <string.h>
-#include <signal.h>
-#include <fcntl.h>
-#include <ctype.h>
-#include <stdlib.h>
-#include <termios.h>
-#include <sys/ioctl.h>
-#include <sys/param.h>
-#include <mntent.h>
-#include "busybox.h"
-
-#define MINIX_ROOT_INO 1
-#define MINIX_LINK_MAX 250
-#define MINIX2_LINK_MAX 65530
-
-#define MINIX_I_MAP_SLOTS 8
-#define MINIX_Z_MAP_SLOTS 64
-#define MINIX_SUPER_MAGIC 0x137F /* original minix fs */
-#define MINIX_SUPER_MAGIC2 0x138F /* minix fs, 30 char names */
-#define MINIX2_SUPER_MAGIC 0x2468 /* minix V2 fs */
-#define MINIX2_SUPER_MAGIC2 0x2478 /* minix V2 fs, 30 char names */
-#define MINIX_VALID_FS 0x0001 /* Clean fs. */
-#define MINIX_ERROR_FS 0x0002 /* fs has errors. */
-
-#define MINIX_INODES_PER_BLOCK ((BLOCK_SIZE)/(sizeof (struct minix_inode)))
-#define MINIX2_INODES_PER_BLOCK ((BLOCK_SIZE)/(sizeof (struct minix2_inode)))
-
-#define MINIX_V1 0x0001 /* original minix fs */
-#define MINIX_V2 0x0002 /* minix V2 fs */
-
-#define INODE_VERSION(inode) inode->i_sb->u.minix_sb.s_version
-
-/*
- * This is the original minix inode layout on disk.
- * Note the 8-bit gid and atime and ctime.
- */
-struct minix_inode {
- u_int16_t i_mode;
- u_int16_t i_uid;
- u_int32_t i_size;
- u_int32_t i_time;
- u_int8_t i_gid;
- u_int8_t i_nlinks;
- u_int16_t i_zone[9];
-};
-
-/*
- * The new minix inode has all the time entries, as well as
- * long block numbers and a third indirect block (7+1+1+1
- * instead of 7+1+1). Also, some previously 8-bit values are
- * now 16-bit. The inode is now 64 bytes instead of 32.
- */
-struct minix2_inode {
- u_int16_t i_mode;
- u_int16_t i_nlinks;
- u_int16_t i_uid;
- u_int16_t i_gid;
- u_int32_t i_size;
- u_int32_t i_atime;
- u_int32_t i_mtime;
- u_int32_t i_ctime;
- u_int32_t i_zone[10];
-};
-
-/*
- * minix super-block data on disk
- */
-struct minix_super_block {
- u_int16_t s_ninodes;
- u_int16_t s_nzones;
- u_int16_t s_imap_blocks;
- u_int16_t s_zmap_blocks;
- u_int16_t s_firstdatazone;
- u_int16_t s_log_zone_size;
- u_int32_t s_max_size;
- u_int16_t s_magic;
- u_int16_t s_state;
- u_int32_t s_zones;
-};
-
-struct minix_dir_entry {
- u_int16_t inode;
- char name[0];
-};
-
-#define BLOCK_SIZE_BITS 10
-#define BLOCK_SIZE (1<<BLOCK_SIZE_BITS)
-
-#define NAME_MAX 255 /* # chars in a file name */
-
-#define MINIX_INODES_PER_BLOCK ((BLOCK_SIZE)/(sizeof (struct minix_inode)))
-
-#define MINIX_VALID_FS 0x0001 /* Clean fs. */
-#define MINIX_ERROR_FS 0x0002 /* fs has errors. */
-
-#define MINIX_SUPER_MAGIC 0x137F /* original minix fs */
-#define MINIX_SUPER_MAGIC2 0x138F /* minix fs, 30 char names */
-
-#ifndef BLKGETSIZE
-#define BLKGETSIZE _IO(0x12,96) /* return device size */
-#endif
-
-
-#ifndef __linux__
-#define volatile
-#endif
-
-#define MINIX_ROOT_INO 1
-#define MINIX_BAD_INO 2
-
-#define TEST_BUFFER_BLOCKS 16
-#define MAX_GOOD_BLOCKS 512
-
-#define UPPER(size,n) (((size)+((n)-1))/(n))
-#define INODE_SIZE (sizeof(struct minix_inode))
-#ifdef BB_FEATURE_MINIX2
-#define INODE_SIZE2 (sizeof(struct minix2_inode))
-#define INODE_BLOCKS UPPER(INODES, (version2 ? MINIX2_INODES_PER_BLOCK \
- : MINIX_INODES_PER_BLOCK))
-#else
-#define INODE_BLOCKS UPPER(INODES, (MINIX_INODES_PER_BLOCK))
-#endif
-#define INODE_BUFFER_SIZE (INODE_BLOCKS * BLOCK_SIZE)
-
-#define BITS_PER_BLOCK (BLOCK_SIZE<<3)
-
-static char *device_name = NULL;
-static int DEV = -1;
-static long BLOCKS = 0;
-static int check = 0;
-static int badblocks = 0;
-static int namelen = 30; /* default (changed to 30, per Linus's
-
- suggestion, Sun Nov 21 08:05:07 1993) */
-static int dirsize = 32;
-static int magic = MINIX_SUPER_MAGIC2;
-static int version2 = 0;
-
-static char root_block[BLOCK_SIZE] = "\0";
-
-static char *inode_buffer = NULL;
-
-#define Inode (((struct minix_inode *) inode_buffer)-1)
-#ifdef BB_FEATURE_MINIX2
-#define Inode2 (((struct minix2_inode *) inode_buffer)-1)
-#endif
-static char super_block_buffer[BLOCK_SIZE];
-static char boot_block_buffer[512];
-
-#define Super (*(struct minix_super_block *)super_block_buffer)
-#define INODES ((unsigned long)Super.s_ninodes)
-#ifdef BB_FEATURE_MINIX2
-#define ZONES ((unsigned long)(version2 ? Super.s_zones : Super.s_nzones))
-#else
-#define ZONES ((unsigned long)(Super.s_nzones))
-#endif
-#define IMAPS ((unsigned long)Super.s_imap_blocks)
-#define ZMAPS ((unsigned long)Super.s_zmap_blocks)
-#define FIRSTZONE ((unsigned long)Super.s_firstdatazone)
-#define ZONESIZE ((unsigned long)Super.s_log_zone_size)
-#define MAXSIZE ((unsigned long)Super.s_max_size)
-#define MAGIC (Super.s_magic)
-#define NORM_FIRSTZONE (2+IMAPS+ZMAPS+INODE_BLOCKS)
-
-static char *inode_map;
-static char *zone_map;
-
-static unsigned short good_blocks_table[MAX_GOOD_BLOCKS];
-static int used_good_blocks = 0;
-static unsigned long req_nr_inodes = 0;
-
-static inline int bit(char * a,unsigned int i)
-{
- return (a[i >> 3] & (1<<(i & 7))) != 0;
-}
-#define inode_in_use(x) (bit(inode_map,(x)))
-#define zone_in_use(x) (bit(zone_map,(x)-FIRSTZONE+1))
-
-#define mark_inode(x) (setbit(inode_map,(x)))
-#define unmark_inode(x) (clrbit(inode_map,(x)))
-
-#define mark_zone(x) (setbit(zone_map,(x)-FIRSTZONE+1))
-#define unmark_zone(x) (clrbit(zone_map,(x)-FIRSTZONE+1))
-
-/*
- * Check to make certain that our new filesystem won't be created on
- * an already mounted partition. Code adapted from mke2fs, Copyright
- * (C) 1994 Theodore Ts'o. Also licensed under GPL.
- */
-static void check_mount(void)
-{
- FILE *f;
- struct mntent *mnt;
-
- if ((f = setmntent(MOUNTED, "r")) == NULL)
- return;
- while ((mnt = getmntent(f)) != NULL)
- if (strcmp(device_name, mnt->mnt_fsname) == 0)
- break;
- endmntent(f);
- if (!mnt)
- return;
-
- error_msg_and_die("%s is mounted; will not make a filesystem here!", device_name);
-}
-
-static long valid_offset(int fd, int offset)
-{
- char ch;
-
- if (lseek(fd, offset, 0) < 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;
-
- if ((fd = open(file, O_RDWR)) < 0)
- perror_msg_and_die("%s", file);
- 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 super block valid. */
- Super.s_state |= MINIX_VALID_FS;
- Super.s_state &= ~MINIX_ERROR_FS;
-
- if (lseek(DEV, 0, SEEK_SET))
- error_msg_and_die("seek to boot block failed in write_tables");
- if (512 != write(DEV, boot_block_buffer, 512))
- error_msg_and_die("unable to clear boot sector");
- if (BLOCK_SIZE != lseek(DEV, BLOCK_SIZE, SEEK_SET))
- error_msg_and_die("seek failed in write_tables");
- if (BLOCK_SIZE != write(DEV, super_block_buffer, BLOCK_SIZE))
- error_msg_and_die("unable to write super-block");
- if (IMAPS * BLOCK_SIZE != write(DEV, inode_map, IMAPS * BLOCK_SIZE))
- error_msg_and_die("unable to write inode map");
- if (ZMAPS * BLOCK_SIZE != write(DEV, zone_map, ZMAPS * BLOCK_SIZE))
- error_msg_and_die("unable to write zone map");
- if (INODE_BUFFER_SIZE != write(DEV, inode_buffer, INODE_BUFFER_SIZE))
- error_msg_and_die("unable to write inodes");
-
-}
-
-static void write_block(int blk, char *buffer)
-{
- if (blk * BLOCK_SIZE != lseek(DEV, blk * BLOCK_SIZE, SEEK_SET))
- error_msg_and_die("seek failed in write_block");
- if (BLOCK_SIZE != write(DEV, buffer, BLOCK_SIZE))
- error_msg_and_die("write failed in write_block");
-}
-
-static int get_free_block(void)
-{
- int blk;
-
- if (used_good_blocks + 1 >= MAX_GOOD_BLOCKS)
- error_msg_and_die("too many bad blocks");
- if (used_good_blocks)
- blk = good_blocks_table[used_good_blocks - 1] + 1;
- else
- blk = FIRSTZONE;
- while (blk < ZONES && zone_in_use(blk))
- blk++;
- if (blk >= ZONES)
- error_msg_and_die("not enough good blocks");
- good_blocks_table[used_good_blocks] = blk;
- used_good_blocks++;
- return blk;
-}
-
-static void mark_good_blocks(void)
-{
- int blk;
-
- for (blk = 0; blk < used_good_blocks; blk++)
- mark_zone(good_blocks_table[blk]);
-}
-
-static int next(int zone)
-{
- if (!zone)
- zone = FIRSTZONE - 1;
- while (++zone < ZONES)
- if (zone_in_use(zone))
- return zone;
- return 0;
-}
-
-static void make_bad_inode(void)
-{
- struct minix_inode *inode = &Inode[MINIX_BAD_INO];
- int i, j, zone;
- int ind = 0, dind = 0;
- unsigned short ind_block[BLOCK_SIZE >> 1];
- unsigned short dind_block[BLOCK_SIZE >> 1];
-
-#define NEXT_BAD (zone = next(zone))
-
- if (!badblocks)
- return;
- mark_inode(MINIX_BAD_INO);
- inode->i_nlinks = 1;
- inode->i_time = time(NULL);
- inode->i_mode = S_IFREG + 0000;
- inode->i_size = badblocks * BLOCK_SIZE;
- zone = next(0);
- for (i = 0; i < 7; i++) {
- inode->i_zone[i] = zone;
- if (!NEXT_BAD)
- goto end_bad;
- }
- inode->i_zone[7] = ind = get_free_block();
- memset(ind_block, 0, BLOCK_SIZE);
- for (i = 0; i < 512; i++) {
- ind_block[i] = zone;
- if (!NEXT_BAD)
- goto end_bad;
- }
- inode->i_zone[8] = dind = get_free_block();
- memset(dind_block, 0, BLOCK_SIZE);
- for (i = 0; i < 512; i++) {
- write_block(ind, (char *) ind_block);
- dind_block[i] = ind = get_free_block();
- memset(ind_block, 0, BLOCK_SIZE);
- for (j = 0; j < 512; j++) {
- ind_block[j] = zone;
- if (!NEXT_BAD)
- goto end_bad;
- }
- }
- error_msg_and_die("too many bad blocks");
- end_bad:
- if (ind)
- write_block(ind, (char *) ind_block);
- if (dind)
- write_block(dind, (char *) dind_block);
-}
-
-#ifdef BB_FEATURE_MINIX2
-static void make_bad_inode2(void)
-{
- struct minix2_inode *inode = &Inode2[MINIX_BAD_INO];
- int i, j, zone;
- int ind = 0, dind = 0;
- unsigned long ind_block[BLOCK_SIZE >> 2];
- unsigned long dind_block[BLOCK_SIZE >> 2];
-
- if (!badblocks)
- return;
- mark_inode(MINIX_BAD_INO);
- inode->i_nlinks = 1;
- inode->i_atime = inode->i_mtime = inode->i_ctime = time(NULL);
- inode->i_mode = S_IFREG + 0000;
- inode->i_size = badblocks * BLOCK_SIZE;
- zone = next(0);
- for (i = 0; i < 7; i++) {
- inode->i_zone[i] = zone;
- if (!NEXT_BAD)
- goto end_bad;
- }
- inode->i_zone[7] = ind = get_free_block();
- memset(ind_block, 0, BLOCK_SIZE);
- for (i = 0; i < 256; i++) {
- ind_block[i] = zone;
- if (!NEXT_BAD)
- goto end_bad;
- }
- inode->i_zone[8] = dind = get_free_block();
- memset(dind_block, 0, BLOCK_SIZE);
- for (i = 0; i < 256; i++) {
- write_block(ind, (char *) ind_block);
- dind_block[i] = ind = get_free_block();
- memset(ind_block, 0, BLOCK_SIZE);
- for (j = 0; j < 256; j++) {
- ind_block[j] = zone;
- if (!NEXT_BAD)
- goto end_bad;
- }
- }
- /* Could make triple indirect block here */
- error_msg_and_die("too many bad blocks");
- end_bad:
- if (ind)
- write_block(ind, (char *) ind_block);
- if (dind)
- write_block(dind, (char *) dind_block);
-}
-#endif
-
-static void make_root_inode(void)
-{
- struct minix_inode *inode = &Inode[MINIX_ROOT_INO];
-
- mark_inode(MINIX_ROOT_INO);
- inode->i_zone[0] = get_free_block();
- inode->i_nlinks = 2;
- inode->i_time = time(NULL);
- if (badblocks)
- inode->i_size = 3 * dirsize;
- else {
- root_block[2 * dirsize] = '\0';
- root_block[2 * dirsize + 1] = '\0';
- inode->i_size = 2 * dirsize;
- }
- inode->i_mode = S_IFDIR + 0755;
- inode->i_uid = getuid();
- if (inode->i_uid)
- inode->i_gid = getgid();
- write_block(inode->i_zone[0], root_block);
-}
-
-#ifdef BB_FEATURE_MINIX2
-static void make_root_inode2(void)
-{
- struct minix2_inode *inode = &Inode2[MINIX_ROOT_INO];
-
- mark_inode(MINIX_ROOT_INO);
- inode->i_zone[0] = get_free_block();
- inode->i_nlinks = 2;
- inode->i_atime = inode->i_mtime = inode->i_ctime = time(NULL);
- if (badblocks)
- inode->i_size = 3 * dirsize;
- else {
- root_block[2 * dirsize] = '\0';
- root_block[2 * dirsize + 1] = '\0';
- inode->i_size = 2 * dirsize;
- }
- inode->i_mode = S_IFDIR + 0755;
- inode->i_uid = getuid();
- if (inode->i_uid)
- inode->i_gid = getgid();
- write_block(inode->i_zone[0], root_block);
-}
-#endif
-
-static void setup_tables(void)
-{
- int i;
- unsigned long inodes;
-
- memset(super_block_buffer, 0, BLOCK_SIZE);
- memset(boot_block_buffer, 0, 512);
- MAGIC = magic;
- ZONESIZE = 0;
- MAXSIZE = version2 ? 0x7fffffff : (7 + 512 + 512 * 512) * 1024;
- ZONES = BLOCKS;
-/* some magic nrs: 1 inode / 3 blocks */
- if (req_nr_inodes == 0)
- inodes = BLOCKS / 3;
- else
- inodes = req_nr_inodes;
- /* Round up inode count to fill block size */
-#ifdef BB_FEATURE_MINIX2
- if (version2)
- inodes = ((inodes + MINIX2_INODES_PER_BLOCK - 1) &
- ~(MINIX2_INODES_PER_BLOCK - 1));
- else
-#endif
- inodes = ((inodes + MINIX_INODES_PER_BLOCK - 1) &
- ~(MINIX_INODES_PER_BLOCK - 1));
- if (inodes > 65535)
- inodes = 65535;
- INODES = inodes;
- IMAPS = UPPER(INODES + 1, BITS_PER_BLOCK);
- ZMAPS = 0;
- i = 0;
- while (ZMAPS !=
- UPPER(BLOCKS - (2 + IMAPS + ZMAPS + INODE_BLOCKS) + 1,
- BITS_PER_BLOCK) && i < 1000) {
- ZMAPS =
- UPPER(BLOCKS - (2 + IMAPS + ZMAPS + INODE_BLOCKS) + 1,
- BITS_PER_BLOCK);
- i++;
- }
- /* Real bad hack but overwise mkfs.minix can be thrown
- * in infinite loop...
- * try:
- * dd if=/dev/zero of=test.fs count=10 bs=1024
- * /sbin/mkfs.minix -i 200 test.fs
- * */
- if (i >= 999) {
- error_msg_and_die("unable to allocate buffers for maps");
- }
- FIRSTZONE = NORM_FIRSTZONE;
- inode_map = xmalloc(IMAPS * BLOCK_SIZE);
- zone_map = xmalloc(ZMAPS * BLOCK_SIZE);
- memset(inode_map, 0xff, IMAPS * BLOCK_SIZE);
- memset(zone_map, 0xff, ZMAPS * BLOCK_SIZE);
- for (i = FIRSTZONE; i < ZONES; i++)
- unmark_zone(i);
- for (i = MINIX_ROOT_INO; i <= INODES; i++)
- unmark_inode(i);
- inode_buffer = xmalloc(INODE_BUFFER_SIZE);
- memset(inode_buffer, 0, INODE_BUFFER_SIZE);
- printf("%ld inodes\n", INODES);
- printf("%ld blocks\n", ZONES);
- printf("Firstdatazone=%ld (%ld)\n", FIRSTZONE, NORM_FIRSTZONE);
- printf("Zonesize=%d\n", BLOCK_SIZE << ZONESIZE);
- printf("Maxsize=%ld\n\n", MAXSIZE);
-}
-
-/*
- * Perform a test of a block; return the number of
- * blocks readable/writeable.
- */
-static long do_check(char *buffer, int try, unsigned int current_block)
-{
- long got;
-
- /* Seek to the correct loc. */
- if (lseek(DEV, current_block * BLOCK_SIZE, SEEK_SET) !=
- current_block * BLOCK_SIZE) {
- error_msg_and_die("seek failed during testing of blocks");
- }
-
-
- /* Try the read */
- got = read(DEV, buffer, try * BLOCK_SIZE);
- if (got < 0)
- got = 0;
- if (got & (BLOCK_SIZE - 1)) {
- printf("Weird values in do_check: probably bugs\n");
- }
- got /= BLOCK_SIZE;
- return got;
-}
-
-static unsigned int currently_testing = 0;
-
-static void alarm_intr(int alnum)
-{
- if (currently_testing >= ZONES)
- return;
- signal(SIGALRM, alarm_intr);
- alarm(5);
- if (!currently_testing)
- return;
- printf("%d ...", currently_testing);
- fflush(stdout);
-}
-
-static void check_blocks(void)
-{
- int try, got;
- static char buffer[BLOCK_SIZE * TEST_BUFFER_BLOCKS];
-
- currently_testing = 0;
- signal(SIGALRM, alarm_intr);
- alarm(5);
- while (currently_testing < ZONES) {
- if (lseek(DEV, currently_testing * BLOCK_SIZE, SEEK_SET) !=
- currently_testing * BLOCK_SIZE)
- error_msg_and_die("seek failed in check_blocks");
- try = TEST_BUFFER_BLOCKS;
- if (currently_testing + try > ZONES)
- try = ZONES - currently_testing;
- got = do_check(buffer, try, currently_testing);
- currently_testing += got;
- if (got == try)
- continue;
- if (currently_testing < FIRSTZONE)
- error_msg_and_die("bad blocks before data-area: cannot make fs");
- mark_zone(currently_testing);
- badblocks++;
- currently_testing++;
- }
- if (badblocks > 1)
- printf("%d bad blocks\n", badblocks);
- else if (badblocks == 1)
- printf("one bad block\n");
-}
-
-static void get_list_blocks(filename)
-char *filename;
-
-{
- FILE *listfile;
- unsigned long blockno;
-
- listfile = xfopen(filename, "r");
- while (!feof(listfile)) {
- fscanf(listfile, "%ld\n", &blockno);
- mark_zone(blockno);
- badblocks++;
- }
- if (badblocks > 1)
- printf("%d bad blocks\n", badblocks);
- else if (badblocks == 1)
- printf("one bad block\n");
-}
-
-extern int mkfs_minix_main(int argc, char **argv)
-{
- int i=1;
- char *tmp;
- struct stat statbuf;
- char *listfile = NULL;
- int stopIt=FALSE;
-
- if (INODE_SIZE * MINIX_INODES_PER_BLOCK != BLOCK_SIZE)
- error_msg_and_die("bad inode size");
-#ifdef BB_FEATURE_MINIX2
- if (INODE_SIZE2 * MINIX2_INODES_PER_BLOCK != BLOCK_SIZE)
- error_msg_and_die("bad inode size");
-#endif
-
- /* Parse options */
- argv++;
- while (--argc >= 0 && *argv && **argv) {
- if (**argv == '-') {
- stopIt=FALSE;
- while (i > 0 && *++(*argv) && stopIt==FALSE) {
- switch (**argv) {
- case 'c':
- check = 1;
- break;
- case 'i':
- {
- char *cp=NULL;
- if (*(*argv+1) != 0) {
- cp = ++(*argv);
- } else {
- if (--argc == 0) {
- goto goodbye;
- }
- cp = *(++argv);
- }
- req_nr_inodes = strtoul(cp, &tmp, 0);
- if (*tmp)
- show_usage();
- stopIt=TRUE;
- break;
- }
- case 'l':
- if (--argc == 0) {
- goto goodbye;
- }
- listfile = *(++argv);
- break;
- case 'n':
- {
- char *cp=NULL;
-
- if (*(*argv+1) != 0) {
- cp = ++(*argv);
- } else {
- if (--argc == 0) {
- goto goodbye;
- }
- cp = *(++argv);
- }
- i = strtoul(cp, &tmp, 0);
- if (*tmp)
- show_usage();
- if (i == 14)
- magic = MINIX_SUPER_MAGIC;
- else if (i == 30)
- magic = MINIX_SUPER_MAGIC2;
- else
- show_usage();
- namelen = i;
- dirsize = i + 2;
- stopIt=TRUE;
- break;
- }
- case 'v':
-#ifdef BB_FEATURE_MINIX2
- version2 = 1;
-#else
- error_msg("%s: not compiled with minix v2 support",
- device_name);
- exit(-1);
-#endif
- break;
- case '-':
- case 'h':
- default:
-goodbye:
- show_usage();
- }
- }
- } else {
- if (device_name == NULL)
- device_name = *argv;
- else if (BLOCKS == 0)
- BLOCKS = strtol(*argv, &tmp, 0);
- else {
- goto goodbye;
- }
- }
- argv++;
- }
-
- if (device_name && !BLOCKS)
- BLOCKS = get_size(device_name) / 1024;
- if (!device_name || BLOCKS < 10) {
- show_usage();
- }
-#ifdef BB_FEATURE_MINIX2
- if (version2) {
- if (namelen == 14)
- magic = MINIX2_SUPER_MAGIC;
- else
- magic = MINIX2_SUPER_MAGIC2;
- } else
-#endif
- if (BLOCKS > 65535)
- BLOCKS = 65535;
- check_mount(); /* is it already mounted? */
- tmp = root_block;
- *(short *) tmp = 1;
- strcpy(tmp + 2, ".");
- tmp += dirsize;
- *(short *) tmp = 1;
- strcpy(tmp + 2, "..");
- tmp += dirsize;
- *(short *) tmp = 2;
- strcpy(tmp + 2, ".badblocks");
- DEV = open(device_name, O_RDWR);
- if (DEV < 0)
- error_msg_and_die("unable to open %s", device_name);
- if (fstat(DEV, &statbuf) < 0)
- error_msg_and_die("unable to stat %s", device_name);
- if (!S_ISBLK(statbuf.st_mode))
- check = 0;
- else if (statbuf.st_rdev == 0x0300 || statbuf.st_rdev == 0x0340)
- error_msg_and_die("will not try to make filesystem on '%s'", device_name);
- setup_tables();
- if (check)
- check_blocks();
- else if (listfile)
- get_list_blocks(listfile);
-#ifdef BB_FEATURE_MINIX2
- if (version2) {
- make_root_inode2();
- make_bad_inode2();
- } else
-#endif
- {
- make_root_inode();
- make_bad_inode();
- }
- mark_good_blocks();
- write_tables();
- return( 0);
-
-}
generated by cgit v1.1 at 2024-12-27 09:21:25 +0000