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Some formatting updates (ran the code through indent)

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-Erik
This commit is contained in:
Erik Andersen
2000-02-08 19:58:47 +00:00
parent c0bf817bbc
commit e49d5ecbbe
163 changed files with 27109 additions and 26607 deletions
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521
util-linux/mkfs_minix.c
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@@ -1,3 +1,4 @@
/* vi: set sw=4 ts=4: */
/*
* mkfs.c - make a linux (minix) file-system.
*
@@ -107,27 +108,30 @@
#define BITS_PER_BLOCK (BLOCK_SIZE<<3)
static char * program_name = "mkfs";
static char * device_name = NULL;
static char *program_name = "mkfs";
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 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;
static char *inode_buffer = NULL;
#define Inode (((struct minix_inode *) inode_buffer)-1)
#ifdef HAVE_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 HAVE_MINIX2
@@ -164,21 +168,28 @@ static unsigned long req_nr_inodes = 0;
* to compile this under minix, volatile gives a warning, as
* exit() isn't defined as volatile under minix.
*/
static volatile void die(char *str) {
static volatile void die(char *str)
{
fprintf(stderr, "%s: %s\n", program_name, str);
exit(8);
}
static volatile void show_usage()
{
fprintf(stderr, "BusyBox v%s (%s) multi-call binary -- GPL2\n\n", BB_VER, BB_BT);
fprintf(stderr, "Usage: %s [-c | -l filename] [-nXX] [-iXX] /dev/name [blocks]\n\n", program_name);
fprintf(stderr, "BusyBox v%s (%s) multi-call binary -- GPL2\n\n",
BB_VER, BB_BT);
fprintf(stderr,
"Usage: %s [-c | -l filename] [-nXX] [-iXX] /dev/name [blocks]\n\n",
program_name);
fprintf(stderr, "Make a MINIX filesystem.\n\n");
fprintf(stderr, "OPTIONS:\n");
fprintf(stderr, "\t-c\t\tCheck the device for bad blocks\n");
fprintf(stderr, "\t-n [14|30]\tSpecify the maximum length of filenames\n");
fprintf(stderr, "\t-i\t\tSpecify the number of inodes for the filesystem\n");
fprintf(stderr, "\t-l FILENAME\tRead the bad blocks list from FILENAME\n");
fprintf(stderr,
"\t-n [14|30]\tSpecify the maximum length of filenames\n");
fprintf(stderr,
"\t-i\t\tSpecify the number of inodes for the filesystem\n");
fprintf(stderr,
"\t-l FILENAME\tRead the bad blocks list from FILENAME\n");
fprintf(stderr, "\t-v\t\tMake a Minix version 2 filesystem\n\n");
exit(16);
}
@@ -190,56 +201,55 @@ static volatile void show_usage()
*/
static void check_mount(void)
{
FILE * f;
struct mntent * mnt;
FILE *f;
struct mntent *mnt;
if ((f = setmntent (MOUNTED, "r")) == NULL)
if ((f = setmntent(MOUNTED, "r")) == NULL)
return;
while ((mnt = getmntent (f)) != NULL)
if (strcmp (device_name, mnt->mnt_fsname) == 0)
while ((mnt = getmntent(f)) != NULL)
if (strcmp(device_name, mnt->mnt_fsname) == 0)
break;
endmntent (f);
endmntent(f);
if (!mnt)
return;
die("%s is mounted; will not make a filesystem here!");
}
static long valid_offset (int fd, int offset)
static long valid_offset(int fd, int offset)
{
char ch;
if (lseek (fd, offset, 0) < 0)
if (lseek(fd, offset, 0) < 0)
return 0;
if (read (fd, &ch, 1) < 1)
if (read(fd, &ch, 1) < 1)
return 0;
return 1;
}
static int count_blocks (int fd)
static int count_blocks(int fd)
{
int high, low;
low = 0;
for (high = 1; valid_offset (fd, high); high *= 2)
for (high = 1; valid_offset(fd, high); high *= 2)
low = high;
while (low < high - 1)
{
while (low < high - 1) {
const int mid = (low + high) / 2;
if (valid_offset (fd, mid))
if (valid_offset(fd, mid))
low = mid;
else
high = mid;
}
valid_offset (fd, 0);
valid_offset(fd, 0);
return (low + 1);
}
static int get_size(const char *file)
static int get_size(const char *file)
{
int fd;
long size;
int fd;
long size;
fd = open(file, O_RDWR);
if (fd < 0) {
@@ -250,7 +260,7 @@ static int get_size(const char *file)
close(fd);
return (size * 512);
}
size = count_blocks(fd);
close(fd);
return size;
@@ -270,18 +280,18 @@ static void write_tables(void)
die("seek failed in write_tables");
if (BLOCK_SIZE != write(DEV, super_block_buffer, BLOCK_SIZE))
die("unable to write super-block");
if (IMAPS*BLOCK_SIZE != write(DEV,inode_map,IMAPS*BLOCK_SIZE))
if (IMAPS * BLOCK_SIZE != write(DEV, inode_map, IMAPS * BLOCK_SIZE))
die("unable to write inode map");
if (ZMAPS*BLOCK_SIZE != write(DEV,zone_map,ZMAPS*BLOCK_SIZE))
if (ZMAPS * BLOCK_SIZE != write(DEV, zone_map, ZMAPS * BLOCK_SIZE))
die("unable to write zone map");
if (INODE_BUFFER_SIZE != write(DEV,inode_buffer,INODE_BUFFER_SIZE))
if (INODE_BUFFER_SIZE != write(DEV, inode_buffer, INODE_BUFFER_SIZE))
die("unable to write inodes");
}
static void write_block(int blk, char * buffer)
static void write_block(int blk, char *buffer)
{
if (blk*BLOCK_SIZE != lseek(DEV, blk*BLOCK_SIZE, SEEK_SET))
if (blk * BLOCK_SIZE != lseek(DEV, blk * BLOCK_SIZE, SEEK_SET))
die("seek failed in write_block");
if (BLOCK_SIZE != write(DEV, buffer, BLOCK_SIZE))
die("write failed in write_block");
@@ -291,10 +301,10 @@ static int get_free_block(void)
{
int blk;
if (used_good_blocks+1 >= MAX_GOOD_BLOCKS)
if (used_good_blocks + 1 >= MAX_GOOD_BLOCKS)
die("too many bad blocks");
if (used_good_blocks)
blk = good_blocks_table[used_good_blocks-1]+1;
blk = good_blocks_table[used_good_blocks - 1] + 1;
else
blk = FIRSTZONE;
while (blk < ZONES && zone_in_use(blk))
@@ -310,14 +320,14 @@ static void mark_good_blocks(void)
{
int blk;
for (blk=0 ; blk < used_good_blocks ; blk++)
for (blk = 0; blk < used_good_blocks; blk++)
mark_zone(good_blocks_table[blk]);
}
inline int next(int zone)
{
if (!zone)
zone = FIRSTZONE-1;
zone = FIRSTZONE - 1;
while (++zone < ZONES)
if (zone_in_use(zone))
return zone;
@@ -326,11 +336,11 @@ inline int next(int zone)
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];
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))
@@ -340,34 +350,34 @@ static void make_bad_inode(void)
inode->i_nlinks = 1;
inode->i_time = time(NULL);
inode->i_mode = S_IFREG + 0000;
inode->i_size = badblocks*BLOCK_SIZE;
inode->i_size = badblocks * BLOCK_SIZE;
zone = next(0);
for (i=0 ; i<7 ; i++) {
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++) {
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);
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++) {
memset(ind_block, 0, BLOCK_SIZE);
for (j = 0; j < 512; j++) {
ind_block[j] = zone;
if (!NEXT_BAD)
goto end_bad;
}
}
die("too many bad blocks");
end_bad:
end_bad:
if (ind)
write_block(ind, (char *) ind_block);
if (dind)
@@ -375,8 +385,7 @@ end_bad:
}
#ifdef HAVE_MINIX2
static void
make_bad_inode2 (void)
static void make_bad_inode2(void)
{
struct minix2_inode *inode = &Inode2[MINIX_BAD_INO];
int i, j, zone;
@@ -386,30 +395,30 @@ make_bad_inode2 (void)
if (!badblocks)
return;
mark_inode (MINIX_BAD_INO);
mark_inode(MINIX_BAD_INO);
inode->i_nlinks = 1;
inode->i_atime = inode->i_mtime = inode->i_ctime = time (NULL);
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);
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);
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);
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);
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)
@@ -417,47 +426,23 @@ make_bad_inode2 (void)
}
}
/* Could make triple indirect block here */
die ("too many bad blocks");
end_bad:
die("too many bad blocks");
end_bad:
if (ind)
write_block (ind, (char *) ind_block);
write_block(ind, (char *) ind_block);
if (dind)
write_block (dind, (char *) dind_block);
write_block(dind, (char *) dind_block);
}
#endif
static void make_root_inode(void)
{
struct minix_inode * inode = &Inode[MINIX_ROOT_INO];
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 HAVE_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 {
@@ -469,7 +454,30 @@ make_root_inode2 (void)
inode->i_uid = getuid();
if (inode->i_uid)
inode->i_gid = getgid();
write_block (inode->i_zone[0], root_block);
write_block(inode->i_zone[0], root_block);
}
#ifdef HAVE_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
@@ -478,34 +486,38 @@ static void setup_tables(void)
int i;
unsigned long inodes;
memset(super_block_buffer,0,BLOCK_SIZE);
memset(boot_block_buffer,0,512);
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;
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;
if (req_nr_inodes == 0)
inodes = BLOCKS / 3;
else
inodes = req_nr_inodes;
/* Round up inode count to fill block size */
#ifdef HAVE_MINIX2
if (version2)
inodes = ((inodes + MINIX2_INODES_PER_BLOCK - 1) &
~(MINIX2_INODES_PER_BLOCK - 1));
~(MINIX2_INODES_PER_BLOCK - 1));
else
#endif
inodes = ((inodes + MINIX_INODES_PER_BLOCK - 1) &
~(MINIX_INODES_PER_BLOCK - 1));
~(MINIX_INODES_PER_BLOCK - 1));
if (inodes > 65535)
inodes = 65535;
INODES = inodes;
IMAPS = UPPER(INODES + 1,BITS_PER_BLOCK);
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 = 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
@@ -514,50 +526,51 @@ static void setup_tables(void)
* dd if=/dev/zero of=test.fs count=10 bs=1024
* /sbin/mkfs.minix -i 200 test.fs
* */
if (i>=999) {
die ("unable to allocate buffers for maps");
if (i >= 999) {
die("unable to allocate buffers for maps");
}
FIRSTZONE = NORM_FIRSTZONE;
inode_map = malloc(IMAPS * BLOCK_SIZE);
zone_map = malloc(ZMAPS * BLOCK_SIZE);
if (!inode_map || !zone_map)
die("unable to allocate buffers for maps");
memset(inode_map,0xff,IMAPS * BLOCK_SIZE);
memset(zone_map,0xff,ZMAPS * BLOCK_SIZE);
for (i = FIRSTZONE ; i<ZONES ; i++)
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++)
for (i = MINIX_ROOT_INO; i <= INODES; i++)
unmark_inode(i);
inode_buffer = malloc(INODE_BUFFER_SIZE);
if (!inode_buffer)
die("unable to allocate buffer for inodes");
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);
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.
*/
long do_check(char * buffer, int try, unsigned int current_block)
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 ) {
die("seek failed during testing of blocks");
current_block * BLOCK_SIZE) {
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 )) {
if (got < 0)
got = 0;
if (got & (BLOCK_SIZE - 1)) {
printf("Weird values in do_check: probably bugs\n");
}
got /= BLOCK_SIZE;
@@ -570,7 +583,7 @@ static void alarm_intr(int alnum)
{
if (currently_testing >= ZONES)
return;
signal(SIGALRM,alarm_intr);
signal(SIGALRM, alarm_intr);
alarm(5);
if (!currently_testing)
return;
@@ -580,19 +593,19 @@ static void alarm_intr(int alnum)
static void check_blocks(void)
{
int try,got;
int try, got;
static char buffer[BLOCK_SIZE * TEST_BUFFER_BLOCKS];
currently_testing=0;
signal(SIGALRM,alarm_intr);
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)
if (lseek(DEV, currently_testing * BLOCK_SIZE, SEEK_SET) !=
currently_testing * BLOCK_SIZE)
die("seek failed in check_blocks");
try = TEST_BUFFER_BLOCKS;
if (currently_testing + try > ZONES)
try = ZONES-currently_testing;
try = ZONES - currently_testing;
got = do_check(buffer, try, currently_testing);
currently_testing += got;
if (got == try)
@@ -613,139 +626,141 @@ static void get_list_blocks(filename)
char *filename;
{
FILE *listfile;
unsigned long blockno;
FILE *listfile;
unsigned long blockno;
listfile=fopen(filename,"r");
if(listfile == (FILE *)NULL) {
die("can't open file of bad blocks");
}
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");
listfile = fopen(filename, "r");
if (listfile == (FILE *) NULL) {
die("can't open file of bad blocks");
}
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)
extern int mkfs_minix_main(int argc, char **argv)
{
int i;
char * tmp;
struct stat statbuf;
char * listfile = NULL;
int i;
char *tmp;
struct stat statbuf;
char *listfile = NULL;
if (argc && *argv)
program_name = *argv;
if (INODE_SIZE * MINIX_INODES_PER_BLOCK != BLOCK_SIZE)
die("bad inode size");
if (argc && *argv)
program_name = *argv;
if (INODE_SIZE * MINIX_INODES_PER_BLOCK != BLOCK_SIZE)
die("bad inode size");
#ifdef HAVE_MINIX2
if (INODE_SIZE2 * MINIX2_INODES_PER_BLOCK != BLOCK_SIZE)
die("bad inode size");
if (INODE_SIZE2 * MINIX2_INODES_PER_BLOCK != BLOCK_SIZE)
die("bad inode size");
#endif
opterr = 0;
while ((i = getopt(argc, argv, "ci:l:n:v")) != EOF)
switch (i) {
case 'c':
check=1; break;
case 'i':
req_nr_inodes = (unsigned long) atol(optarg);
break;
case 'l':
listfile = optarg; break;
case 'n':
i = strtoul(optarg,&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;
break;
case 'v':
opterr = 0;
while ((i = getopt(argc, argv, "ci:l:n:v")) != EOF)
switch (i) {
case 'c':
check = 1;
break;
case 'i':
req_nr_inodes = (unsigned long) atol(optarg);
break;
case 'l':
listfile = optarg;
break;
case 'n':
i = strtoul(optarg, &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;
break;
case 'v':
#ifdef HAVE_MINIX2
version2 = 1;
version2 = 1;
#else
fprintf(stderr,"%s: not compiled with minix v2 support\n",program_name,device_name);
exit(-1);
fprintf(stderr, "%s: not compiled with minix v2 support\n",
program_name, device_name);
exit(-1);
#endif
break;
default:
show_usage();
}
argc -= optind;
argv += optind;
if (argc > 0 && !device_name) {
device_name = argv[0];
argc--;
argv++;
}
if (argc > 0) {
BLOCKS = strtol(argv[0],&tmp,0);
if (*tmp) {
printf("strtol error: number of blocks not specified");
show_usage();
}
}
break;
default:
show_usage();
}
argc -= optind;
argv += optind;
if (argc > 0 && !device_name) {
device_name = argv[0];
argc--;
argv++;
}
if (argc > 0) {
BLOCKS = strtol(argv[0], &tmp, 0);
if (*tmp) {
printf("strtol error: number of blocks not specified");
show_usage();
}
}
if (device_name && !BLOCKS)
BLOCKS = get_size (device_name) / 1024;
if (!device_name || BLOCKS<10) {
show_usage();
}
if (device_name && !BLOCKS)
BLOCKS = get_size(device_name) / 1024;
if (!device_name || BLOCKS < 10) {
show_usage();
}
#ifdef HAVE_MINIX2
if (version2) {
if (namelen == 14)
magic = MINIX2_SUPER_MAGIC;
else
magic = MINIX2_SUPER_MAGIC2;
} else
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)
die("unable to open %s");
if (fstat(DEV,&statbuf)<0)
die("unable to stat %s");
if (!S_ISBLK(statbuf.st_mode))
check=0;
else if (statbuf.st_rdev == 0x0300 || statbuf.st_rdev == 0x0340)
die("will not try to make filesystem on '%s'");
setup_tables();
if (check)
check_blocks();
else if (listfile)
get_list_blocks(listfile);
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)
die("unable to open %s");
if (fstat(DEV, &statbuf) < 0)
die("unable to stat %s");
if (!S_ISBLK(statbuf.st_mode))
check = 0;
else if (statbuf.st_rdev == 0x0300 || statbuf.st_rdev == 0x0340)
die("will not try to make filesystem on '%s'");
setup_tables();
if (check)
check_blocks();
else if (listfile)
get_list_blocks(listfile);
#ifdef HAVE_MINIX2
if (version2) {
make_root_inode2 ();
make_bad_inode2 ();
} else
if (version2) {
make_root_inode2();
make_bad_inode2();
} else
#endif
{
make_root_inode();
make_bad_inode();
}
mark_good_blocks();
write_tables();
return 0;
{
make_root_inode();
make_bad_inode();
}
mark_good_blocks();
write_tables();
return 0;
}