+/* vi: set sw=4 ts=4: */
/*
* fsck.c - a file system consistency checker for Linux.
*
- * (C) 1991, 1992 Linus Torvalds. This file may be redistributed
- * as per the GNU copyleft.
+ * (C) 1991, 1992 Linus Torvalds.
+ *
+ * Licensed under GPLv2, see file LICENSE in this tarball for details.
*/
/*
- * 09.11.91 - made the first rudimetary functions
+ * 09.11.91 - made the first rudimentary functions
*
* 10.11.91 - updated, does checking, no repairs yet.
* Sent out to the mailing-list for testing.
* 01.07.96 - Fixed the v2 fs stuff to use the right #defines and such
* for modern libcs (janl@math.uio.no, Nicolai Langfeldt)
*
- * 02.07.96 - Added C bit fiddling routines from rmk@ecs.soton.ac.uk
+ * 02.07.96 - Added C bit fiddling routines from rmk@ecs.soton.ac.uk
* (Russell King). He made them for ARM. It would seem
* that the ARM is powerful enough to do this in C whereas
* i386 and m64k must use assembly to get it fast >:-)
- * This should make minix fsck systemindependent.
+ * This should make minix fsck system-independent.
* (janl@math.uio.no, Nicolai Langfeldt)
*
* 04.11.96 - Added minor fixes from Andreas Schwab to avoid compiler
- * warnings. Added mc68k bitops from
+ * warnings. Added mc68k bitops from
* Joerg Dorchain <dorchain@mpi-sb.mpg.de>.
*
* 06.11.96 - Added v2 code submitted by Joerg Dorchain, but written by
* unless you can be sure nobody is writing to it (and remember that the
* kernel can write to it when it searches for files).
*
- * Usuage: fsck [-larvsm] device
+ * Usage: fsck [-larvsm] device
* -l for a listing of all the filenames
* -a for automatic repairs (not implemented)
* -r for repairs (interactive) (not implemented)
* -f force filesystem check even if filesystem marked as valid
*
* 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 :-).
+ * enforced (but it's not much fun on a character device :-).
*/
-#include "internal.h"
-#include <stdio.h>
-#include <errno.h>
-#include <unistd.h>
-#include <string.h>
-#include <fcntl.h>
-#include <ctype.h>
-#include <stdlib.h>
-#include <termios.h>
+#include "busybox.h"
#include <mntent.h>
-#include <sys/stat.h>
-#include <sys/param.h> /* for PATH_MAX */
-#include <linux/fs.h>
-#include <linux/minix_fs.h>
+#include "minix.h"
-#ifdef MINIX2_SUPER_MAGIC2
-#define HAVE_MINIX2 1
+#ifndef BLKGETSIZE
+#define BLKGETSIZE _IO(0x12,96) /* return device size */
#endif
-#ifndef __linux__
-#define volatile
+#ifdef UNUSED
+enum {
+ MINIX1_LINK_MAX = 250,
+ MINIX2_LINK_MAX = 65530,
+ MINIX_I_MAP_SLOTS = 8,
+ MINIX_Z_MAP_SLOTS = 64,
+ MINIX_V1 = 0x0001, /* original minix fs */
+ MINIX_V2 = 0x0002, /* minix V2 fs */
+ NAME_MAX = 255, /* # chars in a file name */
+};
#endif
-#define ROOT_INO 1
-
-#define UPPER(size,n) ((size+((n)-1))/(n))
-#define INODE_SIZE (sizeof(struct minix_inode))
-#ifdef HAVE_MINIX2
-#define INODE_SIZE2 (sizeof(struct minix2_inode))
-#define INODE_BLOCKS UPPER(INODES, (version2 ? MINIX2_INODES_PER_BLOCK \
- : MINIX_INODES_PER_BLOCK))
+#if ENABLE_FEATURE_MINIX2
+static smallint version2;
#else
-#define INODE_BLOCKS UPPER(INODES, (MINIX_INODES_PER_BLOCK))
+enum { version2 = 0 };
#endif
-#define INODE_BUFFER_SIZE (INODE_BLOCKS * BLOCK_SIZE)
-#define BITS_PER_BLOCK (BLOCK_SIZE<<3)
+#define PROGRAM_VERSION "1.2 - 11/11/96"
+static smallint repair, automatic, verbose, list, show, warn_mode, force;
+static smallint changed; /* is filesystem modified? */
+static smallint errors_uncorrected; /* flag if some error was not corrected */
+
+static smallint termios_set;
+static struct termios termios;
-static char * program_name = "fsck.minix";
-static char * program_version = "1.2 - 11/11/96";
-static char * device_name = NULL;
+static char *device_name;
static int IN;
-static int repair=0, automatic=0, verbose=0, list=0, show=0, warn_mode=0,
- force=0;
-static int directory=0, regular=0, blockdev=0, chardev=0, links=0,
- symlinks=0, total=0;
+static int directory, regular, blockdev, chardev, links, symlinks, total;
-static int changed = 0; /* flags if the filesystem has been changed */
-static int errors_uncorrected = 0; /* flag if some error was not corrected */
+//also smallint?
static int dirsize = 16;
static int namelen = 14;
-static int version2 = 0;
-static struct termios termios;
-static int termios_set = 0;
-/* File-name data */
-#define MAX_DEPTH 50
-static int name_depth = 0;
-static char name_list[MAX_DEPTH][PATH_MAX + 1];
+static char *inode_buffer;
+
+static struct {
+ char super_block_buffer[BLOCK_SIZE];
+ char add_zone_ind_blk[BLOCK_SIZE];
+ char add_zone_dind_blk[BLOCK_SIZE];
+ USE_FEATURE_MINIX2(char add_zone_tind_blk[BLOCK_SIZE];)
+ char check_file_blk[BLOCK_SIZE];
+} *blockbuf;
-static char * inode_buffer = NULL;
-#define Inode (((struct minix_inode *) inode_buffer)-1)
+#define Inode1 (((struct minix1_inode *) inode_buffer)-1)
#define Inode2 (((struct minix2_inode *) inode_buffer)-1)
-static char super_block_buffer[BLOCK_SIZE];
-#define Super (*(struct minix_super_block *)super_block_buffer)
-#define INODES ((unsigned long)Super.s_ninodes)
-#ifdef HAVE_MINIX2
-#define ZONES ((unsigned long)(version2 ? Super.s_zones : Super.s_nzones))
+
+#define Super (*(struct minix_super_block *)(blockbuf->super_block_buffer))
+
+#if ENABLE_FEATURE_MINIX2
+# define ZONES ((unsigned)(version2 ? Super.s_zones : Super.s_nzones))
#else
-#define ZONES ((unsigned long)(Super.s_nzones))
+# define ZONES ((unsigned)(Super.s_nzones))
+#endif
+#define INODES ((unsigned)Super.s_ninodes)
+#define IMAPS ((unsigned)Super.s_imap_blocks)
+#define ZMAPS ((unsigned)Super.s_zmap_blocks)
+#define FIRSTZONE ((unsigned)Super.s_firstdatazone)
+#define ZONESIZE ((unsigned)Super.s_log_zone_size)
+#define MAXSIZE ((unsigned)Super.s_max_size)
+#define MAGIC (Super.s_magic)
+
+/* gcc likes this more (code is smaller) than macro variant */
+static ATTRIBUTE_ALWAYS_INLINE unsigned div_roundup(unsigned size, unsigned n)
+{
+ return (size + n-1) / n;
+}
+
+#if ENABLE_FEATURE_MINIX2
+#define INODE_BLOCKS div_roundup(INODES, (version2 ? MINIX2_INODES_PER_BLOCK \
+ : MINIX1_INODES_PER_BLOCK))
+#else
+#define INODE_BLOCKS div_roundup(INODES, MINIX1_INODES_PER_BLOCK)
#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)
+
+#define INODE_BUFFER_SIZE (INODE_BLOCKS * BLOCK_SIZE)
+#define NORM_FIRSTZONE (2 + IMAPS + ZMAPS + INODE_BLOCKS)
static char *inode_map;
static char *zone_map;
-static unsigned char * inode_count = NULL;
-static unsigned char * zone_count = NULL;
+static unsigned char *inode_count;
+static unsigned char *zone_count;
+
+/* Before you ask "where they come from?": */
+/* setbit/clrbit are supplied by sys/param.h */
+
+static int minix_bit(const char *a, unsigned i)
+{
+ return (a[i >> 3] & (1<<(i & 7)));
+}
+
+static void minix_setbit(char *a, unsigned i)
+{
+ setbit(a, i);
+ changed = 1;
+}
+static void minix_clrbit(char *a, unsigned i)
+{
+ clrbit(a, i);
+ changed = 1;
+}
+
+/* Note: do not assume 0/1, it is 0/nonzero */
+#define zone_in_use(x) (minix_bit(zone_map,(x)-FIRSTZONE+1))
+#define inode_in_use(x) (minix_bit(inode_map,(x)))
-static void recursive_check(unsigned int ino);
-static void recursive_check2(unsigned int ino);
+#define mark_inode(x) (minix_setbit(inode_map,(x)))
+#define unmark_inode(x) (minix_clrbit(inode_map,(x)))
-#define inode_in_use(x) (bit(inode_map,(x)))
-#define zone_in_use(x) (bit(zone_map,(x)-FIRSTZONE+1))
+#define mark_zone(x) (minix_setbit(zone_map,(x)-FIRSTZONE+1))
+#define unmark_zone(x) (minix_clrbit(zone_map,(x)-FIRSTZONE+1))
-#define mark_inode(x) (setbit(inode_map,(x)),changed=1)
-#define unmark_inode(x) (clrbit(inode_map,(x)),changed=1)
-#define mark_zone(x) (setbit(zone_map,(x)-FIRSTZONE+1),changed=1)
-#define unmark_zone(x) (clrbit(zone_map,(x)-FIRSTZONE+1),changed=1)
+static void recursive_check(unsigned ino);
+#if ENABLE_FEATURE_MINIX2
+static void recursive_check2(unsigned ino);
+#endif
-static void leave(int) __attribute__ ((noreturn));
-static void leave(int status)
+static void die(const char *str) ATTRIBUTE_NORETURN;
+static void die(const char *str)
{
if (termios_set)
tcsetattr(0, TCSANOW, &termios);
- exit(status);
+ bb_error_msg_and_die("%s", str);
}
-static void show_usage(void) {
- fprintf(stderr, "BusyBox v%s (%s) multi-call binary -- GPL2\n\n", BB_VER, BB_BT);
- fprintf(stderr, "Usage: %s [-larvsmf] /dev/name\n\n", program_name);
- fprintf(stderr, "Performs a consistency check for MINIX filesystems.\n\n");
- fprintf(stderr, "OPTIONS:\n");
- fprintf(stderr, "\t-l\tLists all filenames\n");
- fprintf(stderr, "\t-r\tPerform interactive repairs\n");
- fprintf(stderr, "\t-a\tPerform automatic repairs\n");
- fprintf(stderr, "\t-v\tverbose\n");
- fprintf(stderr, "\t-s\tOutputs super-block information\n");
- fprintf(stderr, "\t-m\tActivates MINIX-like \"mode not cleared\" warnings\n");
- fprintf(stderr, "\t-f\tForce file system check.\n\n");
- leave(16);
+/* File-name data */
+enum { MAX_DEPTH = 32 };
+static int name_depth;
+static char *current_name;
+static char *name_component[MAX_DEPTH+1];
+
+/* Wed Feb 9 15:17:06 MST 2000 */
+/* dynamically allocate name_list (instead of making it static) */
+static void alloc_current_name(void)
+{
+ current_name = xmalloc(MAX_DEPTH * (BUFSIZ + 1));
+ current_name[0] = '/';
+ current_name[1] = '\0';
+ name_component[0] = ¤t_name[0];
}
-static void die(const char *str) {
- fprintf(stderr, "%s: %s\n", program_name, str);
- leave(8);
+#if ENABLE_FEATURE_CLEAN_UP
+/* execute this atexit() to deallocate name_list[] */
+/* piptigger was here */
+static void free_current_name(void)
+{
+ free(current_name);
}
+#endif
-/*
- * This simply goes through the file-name data and prints out the
- * current file.
- */
-static void print_current_name(void)
+static void push_filename(const char *name)
{
- int i=0;
+ // /dir/dir/dir/file
+ // ^ ^ ^
+ // [0] [1] [2] <-name_component[i]
+ if (name_depth < MAX_DEPTH) {
+ int len;
+ char *p = name_component[name_depth];
+ *p++ = '/';
+ len = sprintf(p, "%.*s", namelen, name);
+ name_component[name_depth + 1] = p + len;
+ }
+ name_depth++;
+}
- while (i<name_depth)
- printf("/%.*s",namelen,name_list[i++]);
- if (i == 0)
- printf ("/");
+static void pop_filename(void)
+{
+ name_depth--;
+ if (name_depth < MAX_DEPTH) {
+ *name_component[name_depth] = '\0';
+ if (!name_depth) {
+ current_name[0] = '/';
+ current_name[1] = '\0';
+ }
+ }
}
-static int ask(const char * string, int def)
+static int ask(const char *string, int def)
{
int c;
if (!repair) {
- printf("\n");
+ puts("");
errors_uncorrected = 1;
return 0;
}
if (automatic) {
- printf("\n");
+ puts("");
if (!def)
- errors_uncorrected = 1;
+ errors_uncorrected = 1;
return def;
}
- printf(def?"%s (y/n)? ":"%s (n/y)? ",string);
+ printf(def ? "%s (y/n)? " : "%s (n/y)? ", string);
for (;;) {
fflush(stdout);
- if ((c=getchar())==EOF) {
- if (!def)
- errors_uncorrected = 1;
+ c = getchar();
+ if (c == EOF) {
+ if (!def)
+ errors_uncorrected = 1;
return def;
}
- c=toupper(c);
+ c = toupper(c);
if (c == 'Y') {
def = 1;
break;
else {
printf("n\n");
errors_uncorrected = 1;
- }
+ }
return def;
}
*/
static void check_mount(void)
{
- FILE * f;
- struct mntent * mnt;
+ FILE *f;
+ struct mntent *mnt;
int cont;
int fd;
- if ((f = setmntent (MOUNTED, "r")) == NULL)
+ f = setmntent(MOUNTED, "r");
+ if (f == 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;
fd = open(MOUNTED, O_RDWR);
if (fd < 0 && errno == EROFS)
return;
- else
- close(fd);
-
- printf ("%s is mounted. ", device_name);
+ close(fd);
+
+ printf("%s is mounted. ", device_name);
+ cont = 0;
if (isatty(0) && isatty(1))
cont = ask("Do you really want to continue", 0);
- else
- cont = 0;
if (!cont) {
- printf ("check aborted.\n");
- exit (0);
+ printf("Check aborted\n");
+ exit(0);
}
- return;
}
/*
* if an error was corrected, and returns the zone (0 for no zone
* or a bad zone-number).
*/
-static int check_zone_nr(unsigned short * nr, int * corrected)
+static int check_zone_nr2(uint32_t *nr, smallint *corrected)
{
+ const char *msg;
if (!*nr)
return 0;
if (*nr < FIRSTZONE)
- printf("Zone nr < FIRSTZONE in file `");
+ msg = "< FIRSTZONE";
else if (*nr >= ZONES)
- printf("Zone nr >= ZONES in file `");
+ msg = ">= ZONES";
else
return *nr;
- print_current_name();
- printf("'.");
- if (ask("Remove block",1)) {
+ printf("Zone nr %s in file '%s'. ", msg, current_name);
+ if (ask("Remove block", 1)) {
*nr = 0;
*corrected = 1;
}
return 0;
}
-#ifdef HAVE_MINIX2
-static int check_zone_nr2 (unsigned int *nr, int *corrected)
+static int check_zone_nr(uint16_t *nr, smallint *corrected)
{
- if (!*nr)
- return 0;
- if (*nr < FIRSTZONE)
- printf ("Zone nr < FIRSTZONE in file `");
- else if (*nr >= ZONES)
- printf ("Zone nr >= ZONES in file `");
- else
- return *nr;
- print_current_name ();
- printf ("'.");
- if (ask ("Remove block", 1)) {
- *nr = 0;
- *corrected = 1;
- }
- return 0;
+ uint32_t nr32 = *nr;
+ int r = check_zone_nr2(&nr32, corrected);
+ *nr = (uint16_t)nr32;
+ return r;
}
-#endif
/*
* read-block reads block nr into the buffer at addr.
*/
-static void read_block(unsigned int nr, char * addr)
+static void read_block(unsigned nr, char *addr)
{
if (!nr) {
- memset(addr,0,BLOCK_SIZE);
+ memset(addr, 0, BLOCK_SIZE);
return;
}
- if (BLOCK_SIZE*nr != lseek(IN, BLOCK_SIZE*nr, SEEK_SET)) {
- printf("Read error: unable to seek to block in file '");
- print_current_name();
- printf("'\n");
- memset(addr,0,BLOCK_SIZE);
+ if (BLOCK_SIZE * nr != lseek(IN, BLOCK_SIZE * nr, SEEK_SET)) {
+ printf("%s: cannot seek to block in file '%s'\n",
+ bb_msg_read_error, current_name);
errors_uncorrected = 1;
+ memset(addr, 0, BLOCK_SIZE);
} else if (BLOCK_SIZE != read(IN, addr, BLOCK_SIZE)) {
- printf("Read error: bad block in file '");
- print_current_name();
- printf("'\n");
- memset(addr,0,BLOCK_SIZE);
+ printf("%s: bad block in file '%s'\n",
+ bb_msg_read_error, current_name);
errors_uncorrected = 1;
+ memset(addr, 0, BLOCK_SIZE);
}
}
/*
* write_block writes block nr to disk.
*/
-static void write_block(unsigned int nr, char * addr)
+static void write_block(unsigned nr, char *addr)
{
if (!nr)
return;
if (nr < FIRSTZONE || nr >= ZONES) {
printf("Internal error: trying to write bad block\n"
- "Write request ignored\n");
+ "Write request ignored\n");
errors_uncorrected = 1;
return;
}
- if (BLOCK_SIZE*nr != lseek(IN, BLOCK_SIZE*nr, SEEK_SET))
+ if (BLOCK_SIZE * nr != lseek(IN, BLOCK_SIZE * nr, SEEK_SET))
die("seek failed in write_block");
if (BLOCK_SIZE != write(IN, addr, BLOCK_SIZE)) {
- printf("Write error: bad block in file '");
- print_current_name();
- printf("'\n");
+ printf("%s: bad block in file '%s'\n",
+ bb_msg_write_error, current_name);
errors_uncorrected = 1;
}
}
/*
- * map-block calculates the absolute block nr of a block in a file.
+ * map_block calculates the absolute block nr of a block in a file.
* It sets 'changed' if the inode has needed changing, and re-writes
* any indirect blocks with errors.
*/
-static int map_block(struct minix_inode * inode, unsigned int blknr)
+static int map_block(struct minix1_inode *inode, unsigned blknr)
{
- unsigned short ind[BLOCK_SIZE>>1];
- unsigned short dind[BLOCK_SIZE>>1];
- int blk_chg, block, result;
+ uint16_t ind[BLOCK_SIZE >> 1];
+ uint16_t dind[BLOCK_SIZE >> 1];
+ int block, result;
+ smallint blk_chg;
- if (blknr<7)
+ if (blknr < 7)
return check_zone_nr(inode->i_zone + blknr, &changed);
blknr -= 7;
- if (blknr<512) {
+ if (blknr < 512) {
block = check_zone_nr(inode->i_zone + 7, &changed);
read_block(block, (char *) ind);
blk_chg = 0;
block = check_zone_nr(inode->i_zone + 8, &changed);
read_block(block, (char *) dind);
blk_chg = 0;
- result = check_zone_nr(dind + (blknr/512), &blk_chg);
+ result = check_zone_nr(dind + (blknr / 512), &blk_chg);
if (blk_chg)
write_block(block, (char *) dind);
block = result;
read_block(block, (char *) ind);
blk_chg = 0;
- result = check_zone_nr(ind + (blknr%512), &blk_chg);
+ result = check_zone_nr(ind + (blknr % 512), &blk_chg);
if (blk_chg)
write_block(block, (char *) ind);
return result;
}
-#ifdef HAVE_MINIX2
-static int map_block2 (struct minix2_inode *inode, unsigned int blknr)
+#if ENABLE_FEATURE_MINIX2
+static int map_block2(struct minix2_inode *inode, unsigned blknr)
{
- unsigned int ind[BLOCK_SIZE >> 2];
- unsigned int dind[BLOCK_SIZE >> 2];
- unsigned int tind[BLOCK_SIZE >> 2];
- int blk_chg, block, result;
+ uint32_t ind[BLOCK_SIZE >> 2];
+ uint32_t dind[BLOCK_SIZE >> 2];
+ uint32_t tind[BLOCK_SIZE >> 2];
+ int block, result;
+ smallint blk_chg;
if (blknr < 7)
- return check_zone_nr2 (inode->i_zone + blknr, &changed);
+ return check_zone_nr2(inode->i_zone + blknr, &changed);
blknr -= 7;
if (blknr < 256) {
- block = check_zone_nr2 (inode->i_zone + 7, &changed);
- read_block (block, (char *) ind);
+ block = check_zone_nr2(inode->i_zone + 7, &changed);
+ read_block(block, (char *) ind);
blk_chg = 0;
- result = check_zone_nr2 (blknr + ind, &blk_chg);
+ result = check_zone_nr2(blknr + ind, &blk_chg);
if (blk_chg)
- write_block (block, (char *) ind);
+ write_block(block, (char *) ind);
return result;
}
blknr -= 256;
if (blknr >= 256 * 256) {
- block = check_zone_nr2 (inode->i_zone + 8, &changed);
- read_block (block, (char *) dind);
+ block = check_zone_nr2(inode->i_zone + 8, &changed);
+ read_block(block, (char *) dind);
blk_chg = 0;
- result = check_zone_nr2 (dind + blknr / 256, &blk_chg);
+ result = check_zone_nr2(dind + blknr / 256, &blk_chg);
if (blk_chg)
- write_block (block, (char *) dind);
+ write_block(block, (char *) dind);
block = result;
- read_block (block, (char *) ind);
+ read_block(block, (char *) ind);
blk_chg = 0;
- result = check_zone_nr2 (ind + blknr % 256, &blk_chg);
+ result = check_zone_nr2(ind + blknr % 256, &blk_chg);
if (blk_chg)
- write_block (block, (char *) ind);
+ write_block(block, (char *) ind);
return result;
}
blknr -= 256 * 256;
- block = check_zone_nr2 (inode->i_zone + 9, &changed);
- read_block (block, (char *) tind);
+ block = check_zone_nr2(inode->i_zone + 9, &changed);
+ read_block(block, (char *) tind);
blk_chg = 0;
- result = check_zone_nr2 (tind + blknr / (256 * 256), &blk_chg);
+ result = check_zone_nr2(tind + blknr / (256 * 256), &blk_chg);
if (blk_chg)
- write_block (block, (char *) tind);
+ write_block(block, (char *) tind);
block = result;
- read_block (block, (char *) dind);
+ read_block(block, (char *) dind);
blk_chg = 0;
- result = check_zone_nr2 (dind + (blknr / 256) % 256, &blk_chg);
+ result = check_zone_nr2(dind + (blknr / 256) % 256, &blk_chg);
if (blk_chg)
- write_block (block, (char *) dind);
+ write_block(block, (char *) dind);
block = result;
- read_block (block, (char *) ind);
+ read_block(block, (char *) ind);
blk_chg = 0;
- result = check_zone_nr2 (ind + blknr % 256, &blk_chg);
+ result = check_zone_nr2(ind + blknr % 256, &blk_chg);
if (blk_chg)
- write_block (block, (char *) ind);
+ write_block(block, (char *) ind);
return result;
}
#endif
* are uncorrected errors. The filesystem valid flag is
* unconditionally set if we get this far.
*/
- Super.s_state |= MINIX_VALID_FS;
- if ( errors_uncorrected )
- Super.s_state |= MINIX_ERROR_FS;
- else
+ Super.s_state |= MINIX_VALID_FS | MINIX_ERROR_FS;
+ if (!errors_uncorrected)
Super.s_state &= ~MINIX_ERROR_FS;
-
+
if (BLOCK_SIZE != lseek(IN, BLOCK_SIZE, SEEK_SET))
die("seek failed in write_super_block");
- if (BLOCK_SIZE != write(IN, super_block_buffer, BLOCK_SIZE))
- die("unable to write super-block");
-
- return;
+ if (BLOCK_SIZE != write(IN, blockbuf->super_block_buffer, BLOCK_SIZE))
+ die("cannot write super-block");
}
static void write_tables(void)
{
write_super_block();
- if (IMAPS*BLOCK_SIZE != write(IN,inode_map,IMAPS*BLOCK_SIZE))
- die("Unable to write inode map");
- if (ZMAPS*BLOCK_SIZE != write(IN,zone_map,ZMAPS*BLOCK_SIZE))
- die("Unable to write zone map");
- if (INODE_BUFFER_SIZE != write(IN,inode_buffer,INODE_BUFFER_SIZE))
- die("Unable to write inodes");
+ if (IMAPS * BLOCK_SIZE != write(IN, inode_map, IMAPS * BLOCK_SIZE))
+ die("cannot write inode map");
+ if (ZMAPS * BLOCK_SIZE != write(IN, zone_map, ZMAPS * BLOCK_SIZE))
+ die("cannot write zone map");
+ if (INODE_BUFFER_SIZE != write(IN, inode_buffer, INODE_BUFFER_SIZE))
+ die("cannot write inodes");
}
-static void get_dirsize (void)
+static void get_dirsize(void)
{
int block;
char blk[BLOCK_SIZE];
int size;
-#if HAVE_MINIX2
+#if ENABLE_FEATURE_MINIX2
if (version2)
- block = Inode2[ROOT_INO].i_zone[0];
+ block = Inode2[MINIX_ROOT_INO].i_zone[0];
else
#endif
- block = Inode[ROOT_INO].i_zone[0];
- read_block (block, blk);
+ block = Inode1[MINIX_ROOT_INO].i_zone[0];
+ read_block(block, blk);
for (size = 16; size < BLOCK_SIZE; size <<= 1) {
- if (strcmp (blk + size + 2, "..") == 0) {
+ if (strcmp(blk + size + 2, "..") == 0) {
dirsize = size;
namelen = size - 2;
return;
{
if (BLOCK_SIZE != lseek(IN, BLOCK_SIZE, SEEK_SET))
die("seek failed");
- if (BLOCK_SIZE != read(IN, super_block_buffer, BLOCK_SIZE))
- die("unable to read super block");
- if (MAGIC == MINIX_SUPER_MAGIC) {
- namelen = 14;
- dirsize = 16;
- version2 = 0;
- } else if (MAGIC == MINIX_SUPER_MAGIC2) {
+ if (BLOCK_SIZE != read(IN, blockbuf->super_block_buffer, BLOCK_SIZE))
+ die("cannot read super block");
+ /* already initialized to:
+ namelen = 14;
+ dirsize = 16;
+ version2 = 0;
+ */
+ if (MAGIC == MINIX1_SUPER_MAGIC) {
+ } else if (MAGIC == MINIX1_SUPER_MAGIC2) {
namelen = 30;
dirsize = 32;
- version2 = 0;
-#ifdef HAVE_MINIX2
+#if ENABLE_FEATURE_MINIX2
} else if (MAGIC == MINIX2_SUPER_MAGIC) {
- namelen = 14;
- dirsize = 16;
version2 = 1;
} else if (MAGIC == MINIX2_SUPER_MAGIC2) {
namelen = 30;
} else
die("bad magic number in super-block");
if (ZONESIZE != 0 || BLOCK_SIZE != 1024)
- die("Only 1k blocks/zones supported");
+ die("only 1k blocks/zones supported");
if (IMAPS * BLOCK_SIZE * 8 < INODES + 1)
die("bad s_imap_blocks field in super-block");
if (ZMAPS * BLOCK_SIZE * 8 < ZONES - FIRSTZONE + 1)
static void read_tables(void)
{
- inode_map = malloc(IMAPS * BLOCK_SIZE);
- if (!inode_map)
- die("Unable to allocate buffer for inode map");
- zone_map = malloc(ZMAPS * BLOCK_SIZE);
- if (!inode_map)
- die("Unable to allocate buffer for zone map");
- memset(inode_map,0,sizeof(inode_map));
- memset(zone_map,0,sizeof(zone_map));
- inode_buffer = malloc(INODE_BUFFER_SIZE);
- if (!inode_buffer)
- die("Unable to allocate buffer for inodes");
- inode_count = malloc(INODES + 1);
- if (!inode_count)
- die("Unable to allocate buffer for inode count");
- zone_count = malloc(ZONES);
- if (!zone_count)
- die("Unable to allocate buffer for zone count");
- if (IMAPS*BLOCK_SIZE != read(IN,inode_map,IMAPS*BLOCK_SIZE))
- die("Unable to read inode map");
- if (ZMAPS*BLOCK_SIZE != read(IN,zone_map,ZMAPS*BLOCK_SIZE))
- die("Unable to read zone map");
- if (INODE_BUFFER_SIZE != read(IN,inode_buffer,INODE_BUFFER_SIZE))
- die("Unable to read inodes");
+ inode_map = xzalloc(IMAPS * BLOCK_SIZE);
+ zone_map = xzalloc(ZMAPS * BLOCK_SIZE);
+ inode_buffer = xmalloc(INODE_BUFFER_SIZE);
+ inode_count = xmalloc(INODES + 1);
+ zone_count = xmalloc(ZONES);
+ if (IMAPS * BLOCK_SIZE != read(IN, inode_map, IMAPS * BLOCK_SIZE))
+ die("cannot read inode map");
+ if (ZMAPS * BLOCK_SIZE != read(IN, zone_map, ZMAPS * BLOCK_SIZE))
+ die("cannot read zone map");
+ if (INODE_BUFFER_SIZE != read(IN, inode_buffer, INODE_BUFFER_SIZE))
+ die("cannot read inodes");
if (NORM_FIRSTZONE != FIRSTZONE) {
- printf("Warning: Firstzone != Norm_firstzone\n");
+ printf("warning: firstzone!=norm_firstzone\n");
errors_uncorrected = 1;
}
- get_dirsize ();
+ get_dirsize();
if (show) {
- 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",MAXSIZE);
- printf("Filesystem state=%d\n", Super.s_state);
- printf("namelen=%d\n\n",namelen);
+ printf("%u inodes\n"
+ "%u blocks\n"
+ "Firstdatazone=%u (%u)\n"
+ "Zonesize=%u\n"
+ "Maxsize=%u\n"
+ "Filesystem state=%u\n"
+ "namelen=%u\n\n",
+ INODES,
+ ZONES,
+ FIRSTZONE, NORM_FIRSTZONE,
+ BLOCK_SIZE << ZONESIZE,
+ MAXSIZE,
+ Super.s_state,
+ namelen);
}
}
-struct minix_inode * get_inode(unsigned int nr)
+static struct minix1_inode *get_inode(unsigned nr)
{
- struct minix_inode * inode;
+ struct minix1_inode *inode;
if (!nr || nr > INODES)
return NULL;
total++;
- inode = Inode + nr;
+ inode = Inode1 + nr;
if (!inode_count[nr]) {
if (!inode_in_use(nr)) {
- printf("Inode %d marked not used, but used for file '",
- nr);
- print_current_name();
- printf("'\n");
+ printf("Inode %d is marked as 'unused', but it is used "
+ "for file '%s'\n", nr, current_name);
if (repair) {
- if (ask("Mark in use",1))
+ if (ask("Mark as 'in use'", 1))
mark_inode(nr);
- } else {
- errors_uncorrected = 1;
+ else
+ errors_uncorrected = 1;
}
}
if (S_ISDIR(inode->i_mode))
blockdev++;
else if (S_ISLNK(inode->i_mode))
symlinks++;
- else if (S_ISSOCK(inode->i_mode))
- ;
- else if (S_ISFIFO(inode->i_mode))
- ;
+ else if (S_ISSOCK(inode->i_mode));
+ else if (S_ISFIFO(inode->i_mode));
else {
- print_current_name();
- printf(" has mode %05o\n",inode->i_mode);
- }
+ printf("%s has mode %05o\n", current_name, inode->i_mode);
+ }
} else
links++;
if (!++inode_count[nr]) {
- printf("Warning: inode count too big.\n");
+ printf("Warning: inode count too big\n");
inode_count[nr]--;
errors_uncorrected = 1;
}
return inode;
}
-#ifdef HAVE_MINIX2
-struct minix2_inode *
-get_inode2 (unsigned int nr)
+#if ENABLE_FEATURE_MINIX2
+static struct minix2_inode *get_inode2(unsigned nr)
{
struct minix2_inode *inode;
total++;
inode = Inode2 + nr;
if (!inode_count[nr]) {
- if (!inode_in_use (nr)) {
- printf ("Inode %d marked not used, but used for file '", nr);
- print_current_name ();
- printf ("'\n");
+ if (!inode_in_use(nr)) {
+ printf("Inode %d is marked as 'unused', but it is used "
+ "for file '%s'\n", nr, current_name);
if (repair) {
- if (ask ("Mark in use", 1))
- mark_inode (nr);
+ if (ask("Mark as 'in use'", 1))
+ mark_inode(nr);
else
errors_uncorrected = 1;
}
}
- if (S_ISDIR (inode->i_mode))
+ if (S_ISDIR(inode->i_mode))
directory++;
- else if (S_ISREG (inode->i_mode))
+ else if (S_ISREG(inode->i_mode))
regular++;
- else if (S_ISCHR (inode->i_mode))
+ else if (S_ISCHR(inode->i_mode))
chardev++;
- else if (S_ISBLK (inode->i_mode))
+ else if (S_ISBLK(inode->i_mode))
blockdev++;
- else if (S_ISLNK (inode->i_mode))
+ else if (S_ISLNK(inode->i_mode))
symlinks++;
- else if (S_ISSOCK (inode->i_mode));
- else if (S_ISFIFO (inode->i_mode));
+ else if (S_ISSOCK(inode->i_mode));
+ else if (S_ISFIFO(inode->i_mode));
else {
- print_current_name ();
- printf (" has mode %05o\n", inode->i_mode);
+ printf("%s has mode %05o\n", current_name, inode->i_mode);
}
} else
links++;
if (!++inode_count[nr]) {
- printf ("Warning: inode count too big.\n");
+ printf("Warning: inode count too big\n");
inode_count[nr]--;
errors_uncorrected = 1;
}
static void check_root(void)
{
- struct minix_inode * inode = Inode + ROOT_INO;
+ struct minix1_inode *inode = Inode1 + MINIX_ROOT_INO;
if (!inode || !S_ISDIR(inode->i_mode))
die("root inode isn't a directory");
}
-#ifdef HAVE_MINIX2
-static void check_root2 (void)
+#if ENABLE_FEATURE_MINIX2
+static void check_root2(void)
{
- struct minix2_inode *inode = Inode2 + ROOT_INO;
+ struct minix2_inode *inode = Inode2 + MINIX_ROOT_INO;
- if (!inode || !S_ISDIR (inode->i_mode))
- die ("root inode isn't a directory");
+ if (!inode || !S_ISDIR(inode->i_mode))
+ die("root inode isn't a directory");
}
+#else
+void check_root2(void);
#endif
-static int add_zone(unsigned short * znr, int * corrected)
+static int add_zone(uint16_t *znr, smallint *corrected)
{
int result;
int block;
if (!block)
return 0;
if (zone_count[block]) {
- printf("Block has been used before. Now in file `");
- print_current_name();
- printf("'.");
- if (ask("Clear",1)) {
+ printf("Already used block is reused in file '%s'. ",
+ current_name);
+ if (ask("Clear", 1)) {
*znr = 0;
block = 0;
*corrected = 1;
+ return 0;
}
}
- if (!block)
- return 0;
if (!zone_in_use(block)) {
- printf("Block %d in file `",block);
- print_current_name();
- printf("' is marked not in use.");
- if (ask("Correct",1))
+ printf("Block %d in file '%s' is marked as 'unused'. ",
+ block, current_name);
+ if (ask("Correct", 1))
mark_zone(block);
}
if (!++zone_count[block])
return block;
}
-#ifdef HAVE_MINIX2
-static int add_zone2 (unsigned int *znr, int *corrected)
+#if ENABLE_FEATURE_MINIX2
+static int add_zone2(uint32_t *znr, smallint *corrected)
{
int result;
int block;
result = 0;
- block = check_zone_nr2 (znr, corrected);
+ block = check_zone_nr2(znr, corrected);
if (!block)
return 0;
if (zone_count[block]) {
- printf ("Block has been used before. Now in file `");
- print_current_name ();
- printf ("'.");
- if (ask ("Clear", 1)) {
+ printf("Already used block is reused in file '%s'. ",
+ current_name);
+ if (ask("Clear", 1)) {
*znr = 0;
block = 0;
*corrected = 1;
+ return 0;
}
}
- if (!block)
- return 0;
- if (!zone_in_use (block)) {
- printf ("Block %d in file `", block);
- print_current_name ();
- printf ("' is marked not in use.");
- if (ask ("Correct", 1))
- mark_zone (block);
+ if (!zone_in_use(block)) {
+ printf("Block %d in file '%s' is marked as 'unused'. ",
+ block, current_name);
+ if (ask("Correct", 1))
+ mark_zone(block);
}
if (!++zone_count[block])
zone_count[block]--;
}
#endif
-static void add_zone_ind(unsigned short * znr, int * corrected)
+static void add_zone_ind(uint16_t *znr, smallint *corrected)
{
- static char blk[BLOCK_SIZE];
- int i, chg_blk=0;
+#define blk (blockbuf->add_zone_ind_blk)
+ int i;
int block;
+ smallint chg_blk = 0;
block = add_zone(znr, corrected);
if (!block)
return;
read_block(block, blk);
- for (i=0 ; i < (BLOCK_SIZE>>1) ; i++)
- add_zone(i + (unsigned short *) blk, &chg_blk);
+ for (i = 0; i < (BLOCK_SIZE >> 1); i++)
+ add_zone(i + (uint16_t *) blk, &chg_blk);
if (chg_blk)
write_block(block, blk);
+#undef blk
}
-#ifdef HAVE_MINIX2
-static void
-add_zone_ind2 (unsigned int *znr, int *corrected)
+#if ENABLE_FEATURE_MINIX2
+static void add_zone_ind2(uint32_t *znr, smallint *corrected)
{
- static char blk[BLOCK_SIZE];
- int i, chg_blk = 0;
+#define blk (blockbuf->add_zone_ind_blk)
+ int i;
int block;
+ smallint chg_blk = 0;
- block = add_zone2 (znr, corrected);
+ block = add_zone2(znr, corrected);
if (!block)
return;
- read_block (block, blk);
+ read_block(block, blk);
for (i = 0; i < BLOCK_SIZE >> 2; i++)
- add_zone2 (i + (unsigned int *) blk, &chg_blk);
+ add_zone2(i + (uint32_t *) blk, &chg_blk);
if (chg_blk)
- write_block (block, blk);
+ write_block(block, blk);
+#undef blk
}
#endif
-static void add_zone_dind(unsigned short * znr, int * corrected)
+static void add_zone_dind(uint16_t *znr, smallint *corrected)
{
- static char blk[BLOCK_SIZE];
- int i, blk_chg=0;
+#define blk (blockbuf->add_zone_dind_blk)
+ int i;
int block;
+ smallint chg_blk = 0;
block = add_zone(znr, corrected);
if (!block)
return;
read_block(block, blk);
- for (i=0 ; i < (BLOCK_SIZE>>1) ; i++)
- add_zone_ind(i + (unsigned short *) blk, &blk_chg);
- if (blk_chg)
+ for (i = 0; i < (BLOCK_SIZE >> 1); i++)
+ add_zone_ind(i + (uint16_t *) blk, &chg_blk);
+ if (chg_blk)
write_block(block, blk);
+#undef blk
}
-#ifdef HAVE_MINIX2
-static void
-add_zone_dind2 (unsigned int *znr, int *corrected)
+#if ENABLE_FEATURE_MINIX2
+static void add_zone_dind2(uint32_t *znr, smallint *corrected)
{
- static char blk[BLOCK_SIZE];
- int i, blk_chg = 0;
+#define blk (blockbuf->add_zone_dind_blk)
+ int i;
int block;
+ smallint chg_blk = 0;
- block = add_zone2 (znr, corrected);
+ block = add_zone2(znr, corrected);
if (!block)
return;
- read_block (block, blk);
+ read_block(block, blk);
for (i = 0; i < BLOCK_SIZE >> 2; i++)
- add_zone_ind2 (i + (unsigned int *) blk, &blk_chg);
- if (blk_chg)
- write_block (block, blk);
+ add_zone_ind2(i + (uint32_t *) blk, &chg_blk);
+ if (chg_blk)
+ write_block(block, blk);
+#undef blk
}
-static void
-add_zone_tind2 (unsigned int *znr, int *corrected)
+static void add_zone_tind2(uint32_t *znr, smallint *corrected)
{
- static char blk[BLOCK_SIZE];
- int i, blk_chg = 0;
+#define blk (blockbuf->add_zone_tind_blk)
+ int i;
int block;
+ smallint chg_blk = 0;
- block = add_zone2 (znr, corrected);
+ block = add_zone2(znr, corrected);
if (!block)
return;
- read_block (block, blk);
+ read_block(block, blk);
for (i = 0; i < BLOCK_SIZE >> 2; i++)
- add_zone_dind2 (i + (unsigned int *) blk, &blk_chg);
- if (blk_chg)
- write_block (block, blk);
+ add_zone_dind2(i + (uint32_t *) blk, &chg_blk);
+ if (chg_blk)
+ write_block(block, blk);
+#undef blk
}
#endif
-static void check_zones(unsigned int i)
+static void check_zones(unsigned i)
{
- struct minix_inode * inode;
+ struct minix1_inode *inode;
if (!i || i > INODES)
return;
- if (inode_count[i] > 1) /* have we counted this file already? */
+ if (inode_count[i] > 1) /* have we counted this file already? */
return;
- inode = Inode + i;
+ inode = Inode1 + i;
if (!S_ISDIR(inode->i_mode) && !S_ISREG(inode->i_mode) &&
- !S_ISLNK(inode->i_mode))
- return;
- for (i=0 ; i<7 ; i++)
+ !S_ISLNK(inode->i_mode)) return;
+ for (i = 0; i < 7; i++)
add_zone(i + inode->i_zone, &changed);
add_zone_ind(7 + inode->i_zone, &changed);
add_zone_dind(8 + inode->i_zone, &changed);
}
-#ifdef HAVE_MINIX2
-static void
-check_zones2 (unsigned int i)
+#if ENABLE_FEATURE_MINIX2
+static void check_zones2(unsigned i)
{
struct minix2_inode *inode;
if (!i || i > INODES)
return;
- if (inode_count[i] > 1) /* have we counted this file already? */
+ if (inode_count[i] > 1) /* have we counted this file already? */
return;
inode = Inode2 + i;
- if (!S_ISDIR (inode->i_mode) && !S_ISREG (inode->i_mode)
- && !S_ISLNK (inode->i_mode))
+ if (!S_ISDIR(inode->i_mode) && !S_ISREG(inode->i_mode)
+ && !S_ISLNK(inode->i_mode))
return;
for (i = 0; i < 7; i++)
- add_zone2 (i + inode->i_zone, &changed);
- add_zone_ind2 (7 + inode->i_zone, &changed);
- add_zone_dind2 (8 + inode->i_zone, &changed);
- add_zone_tind2 (9 + inode->i_zone, &changed);
+ add_zone2(i + inode->i_zone, &changed);
+ add_zone_ind2(7 + inode->i_zone, &changed);
+ add_zone_dind2(8 + inode->i_zone, &changed);
+ add_zone_tind2(9 + inode->i_zone, &changed);
}
#endif
-static void check_file(struct minix_inode * dir, unsigned int offset)
+static void check_file(struct minix1_inode *dir, unsigned offset)
{
- static char blk[BLOCK_SIZE];
- struct minix_inode * inode;
+#define blk (blockbuf->check_file_blk)
+ struct minix1_inode *inode;
int ino;
- char * name;
+ char *name;
int block;
- block = map_block(dir,offset/BLOCK_SIZE);
+ block = map_block(dir, offset / BLOCK_SIZE);
read_block(block, blk);
name = blk + (offset % BLOCK_SIZE) + 2;
- ino = * (unsigned short *) (name-2);
+ ino = *(uint16_t *) (name - 2);
if (ino > INODES) {
- print_current_name();
- printf(" contains a bad inode number for file '");
- printf("%.*s'.",namelen,name);
- if (ask(" Remove",1)) {
- *(unsigned short *)(name-2) = 0;
+ printf("%s contains a bad inode number for file '%.*s'. ",
+ current_name, namelen, name);
+ if (ask("Remove", 1)) {
+ *(uint16_t *) (name - 2) = 0;
write_block(block, blk);
}
ino = 0;
- }
- if (name_depth < MAX_DEPTH)
- strncpy (name_list[name_depth], name, namelen);
- name_depth++;
+ }
+ push_filename(name);
inode = get_inode(ino);
- name_depth--;
+ pop_filename();
if (!offset) {
- if (!inode || strcmp(".",name)) {
- print_current_name();
- printf(": bad directory: '.' isn't first\n");
- errors_uncorrected = 1;
- } else return;
+ if (inode && LONE_CHAR(name, '.'))
+ return;
+ printf("%s: bad directory: '.' isn't first\n", current_name);
+ errors_uncorrected = 1;
}
if (offset == dirsize) {
- if (!inode || strcmp("..",name)) {
- print_current_name();
- printf(": bad directory: '..' isn't second\n");
- errors_uncorrected = 1;
- } else return;
+ if (inode && strcmp("..", name) == 0)
+ return;
+ printf("%s: bad directory: '..' isn't second\n", current_name);
+ errors_uncorrected = 1;
}
if (!inode)
return;
- if (name_depth < MAX_DEPTH)
- strncpy(name_list[name_depth],name,namelen);
- name_depth++;
+ push_filename(name);
if (list) {
if (verbose)
- printf("%6d %07o %3d ",ino,inode->i_mode,inode->i_nlinks);
- print_current_name();
- if (S_ISDIR(inode->i_mode))
- printf(":\n");
- else
- printf("\n");
+ printf("%6d %07o %3d ", ino, inode->i_mode, inode->i_nlinks);
+ printf("%s%s\n", current_name, S_ISDIR(inode->i_mode) ? ":" : "");
}
check_zones(ino);
if (inode && S_ISDIR(inode->i_mode))
recursive_check(ino);
- name_depth--;
- return;
+ pop_filename();
+#undef blk
}
-#ifdef HAVE_MINIX2
-static void
-check_file2 (struct minix2_inode *dir, unsigned int offset)
+#if ENABLE_FEATURE_MINIX2
+static void check_file2(struct minix2_inode *dir, unsigned offset)
{
- static char blk[BLOCK_SIZE];
+#define blk (blockbuf->check_file_blk)
struct minix2_inode *inode;
int ino;
char *name;
int block;
- block = map_block2 (dir, offset / BLOCK_SIZE);
- read_block (block, blk);
+ block = map_block2(dir, offset / BLOCK_SIZE);
+ read_block(block, blk);
name = blk + (offset % BLOCK_SIZE) + 2;
- ino = *(unsigned short *) (name - 2);
+ ino = *(uint16_t *) (name - 2);
if (ino > INODES) {
- print_current_name ();
- printf (" contains a bad inode number for file '");
- printf ("%.*s'.", namelen, name);
- if (ask (" Remove", 1)) {
- *(unsigned short *) (name - 2) = 0;
- write_block (block, blk);
+ printf("%s contains a bad inode number for file '%.*s'. ",
+ current_name, namelen, name);
+ if (ask("Remove", 1)) {
+ *(uint16_t *) (name - 2) = 0;
+ write_block(block, blk);
}
ino = 0;
}
- if (name_depth < MAX_DEPTH)
- strncpy (name_list[name_depth], name, namelen);
- name_depth++;
- inode = get_inode2 (ino);
- name_depth--;
+ push_filename(name);
+ inode = get_inode2(ino);
+ pop_filename();
if (!offset) {
- if (!inode || strcmp (".", name)) {
- print_current_name ();
- printf (": bad directory: '.' isn't first\n");
- errors_uncorrected = 1;
- } else
+ if (inode && LONE_CHAR(name, '.'))
return;
+ printf("%s: bad directory: '.' isn't first\n", current_name);
+ errors_uncorrected = 1;
}
if (offset == dirsize) {
- if (!inode || strcmp ("..", name)) {
- print_current_name ();
- printf (": bad directory: '..' isn't second\n");
- errors_uncorrected = 1;
- } else
+ if (inode && strcmp("..", name) == 0)
return;
+ printf("%s: bad directory: '..' isn't second\n", current_name);
+ errors_uncorrected = 1;
}
if (!inode)
return;
- name_depth++;
+ push_filename(name);
if (list) {
if (verbose)
- printf ("%6d %07o %3d ", ino, inode->i_mode, inode->i_nlinks);
- print_current_name ();
- if (S_ISDIR (inode->i_mode))
- printf (":\n");
- else
- printf ("\n");
+ printf("%6d %07o %3d ", ino, inode->i_mode, inode->i_nlinks);
+ printf("%s%s\n", current_name, S_ISDIR(inode->i_mode) ? ":" : "");
}
- check_zones2 (ino);
- if (inode && S_ISDIR (inode->i_mode))
- recursive_check2 (ino);
- name_depth--;
- return;
+ check_zones2(ino);
+ if (inode && S_ISDIR(inode->i_mode))
+ recursive_check2(ino);
+ pop_filename();
+#undef blk
}
#endif
-static void recursive_check(unsigned int ino)
+static void recursive_check(unsigned ino)
{
- struct minix_inode * dir;
- unsigned int offset;
+ struct minix1_inode *dir;
+ unsigned offset;
- dir = Inode + ino;
+ dir = Inode1 + ino;
if (!S_ISDIR(dir->i_mode))
die("internal error");
if (dir->i_size < 2 * dirsize) {
- print_current_name();
- printf(": bad directory: size<32");
+ printf("%s: bad directory: size<32", current_name);
errors_uncorrected = 1;
}
- for (offset = 0 ; offset < dir->i_size ; offset += dirsize)
- check_file(dir,offset);
+ for (offset = 0; offset < dir->i_size; offset += dirsize)
+ check_file(dir, offset);
}
-#ifdef HAVE_MINIX2
-static void
-recursive_check2 (unsigned int ino)
+#if ENABLE_FEATURE_MINIX2
+static void recursive_check2(unsigned ino)
{
struct minix2_inode *dir;
- unsigned int offset;
+ unsigned offset;
dir = Inode2 + ino;
- if (!S_ISDIR (dir->i_mode))
- die ("internal error");
+ if (!S_ISDIR(dir->i_mode))
+ die("internal error");
if (dir->i_size < 2 * dirsize) {
- print_current_name ();
- printf (": bad directory: size < 32");
+ printf("%s: bad directory: size<32", current_name);
errors_uncorrected = 1;
}
for (offset = 0; offset < dir->i_size; offset += dirsize)
- check_file2 (dir, offset);
+ check_file2(dir, offset);
}
#endif
static int bad_zone(int i)
{
- char buffer[1024];
+ char buffer[BLOCK_SIZE];
- if (BLOCK_SIZE*i != lseek(IN, BLOCK_SIZE*i, SEEK_SET))
+ if (BLOCK_SIZE * i != lseek(IN, BLOCK_SIZE * i, SEEK_SET))
die("seek failed in bad_zone");
return (BLOCK_SIZE != read(IN, buffer, BLOCK_SIZE));
}
{
int i;
- for (i=1 ; i <= INODES ; i++) {
- if (!inode_in_use(i) && Inode[i].i_mode && warn_mode) {
- printf("Inode %d mode not cleared.",i);
- if (ask("Clear",1)) {
- Inode[i].i_mode = 0;
+ for (i = 1; i <= INODES; i++) {
+ if (warn_mode && Inode1[i].i_mode && !inode_in_use(i)) {
+ printf("Inode %d has non-zero mode. ", i);
+ if (ask("Clear", 1)) {
+ Inode1[i].i_mode = 0;
changed = 1;
}
}
if (!inode_count[i]) {
if (!inode_in_use(i))
continue;
- printf("Inode %d not used, marked used in the bitmap.",i);
- if (ask("Clear",1))
+ printf("Unused inode %d is marked as 'used' in the bitmap. ", i);
+ if (ask("Clear", 1))
unmark_inode(i);
continue;
}
if (!inode_in_use(i)) {
- printf("Inode %d used, marked unused in the bitmap.", i);
- if (ask("Set",1))
+ printf("Inode %d is used, but marked as 'unused' in the bitmap. ", i);
+ if (ask("Set", 1))
mark_inode(i);
}
- if (Inode[i].i_nlinks != inode_count[i]) {
- printf("Inode %d (mode = %07o), i_nlinks=%d, counted=%d.",
- i,Inode[i].i_mode,Inode[i].i_nlinks,inode_count[i]);
- if (ask("Set i_nlinks to count",1)) {
- Inode[i].i_nlinks=inode_count[i];
- changed=1;
+ if (Inode1[i].i_nlinks != inode_count[i]) {
+ printf("Inode %d (mode=%07o), i_nlinks=%d, counted=%d. ",
+ i, Inode1[i].i_mode, Inode1[i].i_nlinks,
+ inode_count[i]);
+ if (ask("Set i_nlinks to count", 1)) {
+ Inode1[i].i_nlinks = inode_count[i];
+ changed = 1;
}
}
}
- for (i=FIRSTZONE ; i < ZONES ; i++) {
- if (zone_in_use(i) == zone_count[i])
+ for (i = FIRSTZONE; i < ZONES; i++) {
+ if ((zone_in_use(i) != 0) == zone_count[i])
continue;
if (!zone_count[i]) {
if (bad_zone(i))
continue;
- printf("Zone %d: marked in use, no file uses it.",i);
- if (ask("Unmark",1))
+ printf("Zone %d is marked 'in use', but no file uses it. ", i);
+ if (ask("Unmark", 1))
unmark_zone(i);
continue;
}
- printf("Zone %d: %sin use, counted=%d\n",
- i,zone_in_use(i)?"":"not ",zone_count[i]);
+ printf("Zone %d: %sin use, counted=%d\n",
+ i, zone_in_use(i) ? "" : "not ", zone_count[i]);
}
}
-#ifdef HAVE_MINIX2
-static void
-check_counts2 (void)
+#if ENABLE_FEATURE_MINIX2
+static void check_counts2(void)
{
int i;
for (i = 1; i <= INODES; i++) {
- if (!inode_in_use (i) && Inode2[i].i_mode && warn_mode) {
- printf ("Inode %d mode not cleared.", i);
- if (ask ("Clear", 1)) {
+ if (warn_mode && Inode2[i].i_mode && !inode_in_use(i)) {
+ printf("Inode %d has non-zero mode. ", i);
+ if (ask("Clear", 1)) {
Inode2[i].i_mode = 0;
changed = 1;
}
}
if (!inode_count[i]) {
- if (!inode_in_use (i))
+ if (!inode_in_use(i))
continue;
- printf ("Inode %d not used, marked used in the bitmap.", i);
- if (ask ("Clear", 1))
- unmark_inode (i);
+ printf("Unused inode %d is marked as 'used' in the bitmap. ", i);
+ if (ask("Clear", 1))
+ unmark_inode(i);
continue;
}
- if (!inode_in_use (i)) {
- printf ("Inode %d used, marked unused in the bitmap.", i);
- if (ask ("Set", 1))
- mark_inode (i);
+ if (!inode_in_use(i)) {
+ printf("Inode %d is used, but marked as 'unused' in the bitmap. ", i);
+ if (ask("Set", 1))
+ mark_inode(i);
}
if (Inode2[i].i_nlinks != inode_count[i]) {
- printf ("Inode %d (mode = %07o), i_nlinks=%d, counted=%d.",
- i, Inode2[i].i_mode, Inode2[i].i_nlinks, inode_count[i]);
- if (ask ("Set i_nlinks to count", 1)) {
+ printf("Inode %d (mode=%07o), i_nlinks=%d, counted=%d. ",
+ i, Inode2[i].i_mode, Inode2[i].i_nlinks,
+ inode_count[i]);
+ if (ask("Set i_nlinks to count", 1)) {
Inode2[i].i_nlinks = inode_count[i];
changed = 1;
}
}
}
for (i = FIRSTZONE; i < ZONES; i++) {
- if (zone_in_use (i) == zone_count[i])
+ if ((zone_in_use(i) != 0) == zone_count[i])
continue;
if (!zone_count[i]) {
- if (bad_zone (i))
+ if (bad_zone(i))
continue;
- printf ("Zone %d: marked in use, no file uses it.", i);
- if (ask ("Unmark", 1))
- unmark_zone (i);
+ printf("Zone %d is marked 'in use', but no file uses it. ", i);
+ if (ask("Unmark", 1))
+ unmark_zone(i);
continue;
}
- printf ("Zone %d: %sin use, counted=%d\n",
- i, zone_in_use (i) ? "" : "not ", zone_count[i]);
+ printf("Zone %d: %sin use, counted=%d\n",
+ i, zone_in_use(i) ? "" : "not ", zone_count[i]);
}
}
#endif
static void check(void)
{
- memset(inode_count,0,(INODES + 1) * sizeof(*inode_count));
- memset(zone_count,0,ZONES*sizeof(*zone_count));
- check_zones(ROOT_INO);
- recursive_check(ROOT_INO);
+ memset(inode_count, 0, (INODES + 1) * sizeof(*inode_count));
+ memset(zone_count, 0, ZONES * sizeof(*zone_count));
+ check_zones(MINIX_ROOT_INO);
+ recursive_check(MINIX_ROOT_INO);
check_counts();
}
-#ifdef HAVE_MINIX2
-static void
-check2 (void)
+#if ENABLE_FEATURE_MINIX2
+static void check2(void)
{
- memset (inode_count, 0, (INODES + 1) * sizeof (*inode_count));
- memset (zone_count, 0, ZONES * sizeof (*zone_count));
- check_zones2 (ROOT_INO);
- recursive_check2 (ROOT_INO);
- check_counts2 ();
+ memset(inode_count, 0, (INODES + 1) * sizeof(*inode_count));
+ memset(zone_count, 0, ZONES * sizeof(*zone_count));
+ check_zones2(MINIX_ROOT_INO);
+ recursive_check2(MINIX_ROOT_INO);
+ check_counts2();
}
+#else
+void check2(void);
#endif
-extern int
-fsck_minix_main(int argc, char ** argv)
+int fsck_minix_main(int argc, char **argv);
+int fsck_minix_main(int argc, char **argv)
{
struct termios tmp;
- int count;
int retcode = 0;
- if (argc && *argv)
- program_name = *argv;
- if (INODE_SIZE * MINIX_INODES_PER_BLOCK != BLOCK_SIZE)
+ xfunc_error_retval = 8;
+ blockbuf = xzalloc(sizeof(*blockbuf));
+
+ alloc_current_name();
+#if ENABLE_FEATURE_CLEAN_UP
+ /* Don't bother to free memory. Exit does
+ * that automagically, so we can save a few bytes */
+ atexit(free_current_name);
+#endif
+
+ if (INODE_SIZE1 * MINIX1_INODES_PER_BLOCK != BLOCK_SIZE)
die("bad inode size");
-#ifdef HAVE_MINIX2
+#if ENABLE_FEATURE_MINIX2
if (INODE_SIZE2 * MINIX2_INODES_PER_BLOCK != BLOCK_SIZE)
die("bad v2 inode size");
#endif
- while (argc-- > 1) {
+ while (--argc != 0) {
argv++;
if (argv[0][0] != '-') {
if (device_name)
- show_usage();
- else
- device_name = argv[0];
- } else while (*++argv[0])
- switch (argv[0][0]) {
- case 'l': list=1; break;
- case 'a': automatic=1; repair=1; break;
- case 'r': automatic=0; repair=1; break;
- case 'v': verbose=1; break;
- case 's': show=1; break;
- case 'm': warn_mode=1; break;
- case 'f': force=1; break;
- default: show_usage();
+ bb_show_usage();
+ device_name = argv[0];
+ } else {
+ while (*++argv[0]) {
+ switch (argv[0][0]) {
+ case 'l':
+ list = 1;
+ break;
+ case 'a':
+ automatic = 1;
+ repair = 1;
+ break;
+ case 'r':
+ automatic = 0;
+ repair = 1;
+ break;
+ case 'v':
+ verbose = 1;
+ break;
+ case 's':
+ show = 1;
+ break;
+ case 'm':
+ warn_mode = 1;
+ break;
+ case 'f':
+ force = 1;
+ break;
+ default:
+ bb_show_usage();
+ }
}
+ }
}
if (!device_name)
- show_usage();
- check_mount(); /* trying to check a mounted filesystem? */
+ bb_show_usage();
+
+ check_mount(); /* trying to check a mounted filesystem? */
if (repair && !automatic) {
if (!isatty(0) || !isatty(1))
die("need terminal for interactive repairs");
}
- IN = open(device_name,repair?O_RDWR:O_RDONLY);
- if (IN < 0)
- die("unable to open '%s'");
- for (count=0 ; count<3 ; count++)
- sync();
+ IN = xopen(device_name, repair ? O_RDWR : O_RDONLY);
+
+ /*sync(); paranoia? */
read_superblock();
/*
* Determine whether or not we should continue with the checking.
* This is based on the status of the filesystem valid and error
- * flags and whether or not the -f switch was specified on the
+ * flags and whether or not the -f switch was specified on the
* command line.
*/
- printf("%s, %s\n", program_name, program_version);
- if ( !(Super.s_state & MINIX_ERROR_FS) &&
- (Super.s_state & MINIX_VALID_FS) &&
- !force ) {
+ printf("%s, "PROGRAM_VERSION"\n", applet_name);
+
+ if (!(Super.s_state & MINIX_ERROR_FS)
+ && (Super.s_state & MINIX_VALID_FS) && !force
+ ) {
if (repair)
- printf("%s is clean, no check.\n", device_name);
- return retcode;
- }
- else if (force)
- printf("Forcing filesystem check on %s.\n", device_name);
+ printf("%s is clean, check is skipped\n", device_name);
+ return 0;
+ } else if (force)
+ printf("Forcing filesystem check on %s\n", device_name);
else if (repair)
- printf("Filesystem on %s is dirty, needs checking.\n",\
- device_name);
+ printf("Filesystem on %s is dirty, needs checking\n",
+ device_name);
read_tables();
if (repair && !automatic) {
- tcgetattr(0,&termios);
+ tcgetattr(0, &termios);
tmp = termios;
- tmp.c_lflag &= ~(ICANON|ECHO);
- tcsetattr(0,TCSANOW,&tmp);
+ tmp.c_lflag &= ~(ICANON | ECHO);
+ tcsetattr(0, TCSANOW, &tmp);
termios_set = 1;
}
-#if HAVE_MINIX2
if (version2) {
- check_root2 ();
- check2 ();
- } else
-#endif
- {
+ check_root2();
+ check2();
+ } else {
check_root();
check();
}
+
if (verbose) {
- int i, free;
+ int i, free_cnt;
- for (i=1,free=0 ; i <= INODES ; i++)
+ for (i = 1, free_cnt = 0; i <= INODES; i++)
if (!inode_in_use(i))
- free++;
- printf("\n%6ld inodes used (%ld%%)\n",(INODES-free),
- 100*(INODES-free)/INODES);
- for (i=FIRSTZONE,free=0 ; i < ZONES ; i++)
+ free_cnt++;
+ printf("\n%6u inodes used (%u%%)\n", (INODES - free_cnt),
+ 100 * (INODES - free_cnt) / INODES);
+ for (i = FIRSTZONE, free_cnt = 0; i < ZONES; i++)
if (!zone_in_use(i))
- free++;
- printf("%6ld zones used (%ld%%)\n",(ZONES-free),
- 100*(ZONES-free)/ZONES);
- printf("\n%6d regular files\n"
- "%6d directories\n"
- "%6d character device files\n"
- "%6d block device files\n"
- "%6d links\n"
- "%6d symbolic links\n"
- "------\n"
- "%6d files\n",
- regular,directory,chardev,blockdev,
- links-2*directory+1,symlinks,total-2*directory+1);
+ free_cnt++;
+ printf("%6u zones used (%u%%)\n\n"
+ "%6u regular files\n"
+ "%6u directories\n"
+ "%6u character device files\n"
+ "%6u block device files\n"
+ "%6u links\n"
+ "%6u symbolic links\n"
+ "------\n"
+ "%6u files\n",
+ (ZONES - free_cnt), 100 * (ZONES - free_cnt) / ZONES,
+ regular, directory, chardev, blockdev,
+ links - 2 * directory + 1, symlinks,
+ total - 2 * directory + 1);
}
if (changed) {
write_tables();
- printf( "----------------------------\n"
- "FILE SYSTEM HAS BEEN CHANGED\n"
- "----------------------------\n");
- for (count=0 ; count<3 ; count++)
- sync();
- }
- else if ( repair )
+ printf("FILE SYSTEM HAS BEEN CHANGED\n");
+ sync();
+ } else if (repair)
write_super_block();
-
+
if (repair && !automatic)
- tcsetattr(0,TCSANOW,&termios);
+ tcsetattr(0, TCSANOW, &termios);
if (changed)
- retcode += 3;
+ retcode += 3;
if (errors_uncorrected)
- retcode += 4;
+ retcode += 4;
return retcode;
}
projects / oweals / busybox.git / blobdiff