more busybox's style for fsck.c, size reduce
This commit is contained in:
"Vladimir N. Oleynik"
parent
74078685e6
commit
6160d45e05
285
e2fsprogs/fsck.c
285
e2fsprogs/fsck.c
@ -17,7 +17,7 @@
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* o -R flag skip root file system.
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*
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* Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
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* 2001, 2002, 2003, 2004, 2005 by Theodore Ts'o.
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* 2001, 2002, 2003, 2004, 2005 by Theodore Ts'o.
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*
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* %Begin-Header%
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* This file may be redistributed under the terms of the GNU Public
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@ -48,10 +48,10 @@
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#include "e2fsbb.h"
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#ifndef _PATH_MNTTAB
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#define _PATH_MNTTAB "/etc/fstab"
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#define _PATH_MNTTAB "/etc/fstab"
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#endif
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static const char *ignored_types[] = {
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static const char * const ignored_types[] = {
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"ignore",
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"iso9660",
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"nfs",
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@ -63,7 +63,7 @@ static const char *ignored_types[] = {
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NULL
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};
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static const char *really_wanted[] = {
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static const char * const really_wanted[] = {
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"minix",
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"ext2",
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"ext3",
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@ -83,38 +83,35 @@ static char *devices[MAX_DEVICES];
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static char *args[MAX_ARGS];
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static int num_devices, num_args;
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static int verbose = 0;
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static int doall = 0;
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static int noexecute = 0;
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static int serialize = 0;
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static int skip_root = 0;
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static int like_mount = 0;
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static int notitle = 0;
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static int parallel_root = 0;
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static int progress = 0;
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static int progress_fd = 0;
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static int force_all_parallel = 0;
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static int num_running = 0;
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static int max_running = 0;
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static volatile int cancel_requested = 0;
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static int kill_sent = 0;
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static char *progname;
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static char *fstype = NULL;
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static struct fs_info *filesys_info = NULL, *filesys_last = NULL;
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static int verbose;
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static int doall;
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static int noexecute;
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static int serialize;
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static int skip_root;
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static int like_mount;
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static int notitle;
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static int parallel_root;
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static int progress;
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static int progress_fd;
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static int force_all_parallel;
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static int num_running;
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static int max_running;
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static volatile int cancel_requested;
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static int kill_sent;
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static char *fstype;
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static struct fs_info *filesys_info, *filesys_last;
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static struct fsck_instance *instance_list;
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static const char *fsck_prefix_path = "/sbin:/sbin/fs.d:/sbin/fs:/etc/fs:/etc";
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static char *fsck_path = 0;
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static blkid_cache cache = NULL;
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static char *fsck_path;
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static blkid_cache cache;
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static char *string_copy(const char *s)
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{
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char *ret;
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char *ret;
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if (!s)
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return 0;
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ret = malloc(strlen(s)+1);
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if (ret)
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strcpy(ret, s);
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ret = strdup(s);
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return ret;
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}
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@ -130,8 +127,6 @@ static int string_to_int(const char *s)
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return (int) l;
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}
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static int ignore(struct fs_info *);
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static char *skip_over_blank(char *cp)
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{
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while (*cp && isspace(*cp))
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@ -148,7 +143,7 @@ static char *skip_over_word(char *cp)
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static void strip_line(char *line)
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{
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char *p;
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char *p;
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while (*line) {
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p = line + strlen(line) - 1;
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@ -177,38 +172,19 @@ static char *parse_word(char **buf)
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static void parse_escape(char *word)
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{
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char *p, *q;
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int ac, i;
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char *q, c;
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const char *p;
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if (!word)
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return;
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for (p = word, q = word; *p; p++, q++) {
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*q = *p;
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if (*p != '\\')
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continue;
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if (*++p == 0)
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break;
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if (*p == 't') {
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*q = '\t';
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continue;
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for (p = q = word; *p; q++) {
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c = *p++;
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if (c != '\\') {
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*q = c;
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} else {
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*q = bb_process_escape_sequence(&p);
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}
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if (*p == 'n') {
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*q = '\n';
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continue;
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}
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if (!isdigit(*p)) {
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*q = *p;
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continue;
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}
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ac = 0;
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for (i = 0; i < 3; i++, p++) {
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if (!isdigit(*p))
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break;
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ac = (ac * 8) + (*p - '0');
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}
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*q = ac;
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p--;
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}
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*q = 0;
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}
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@ -256,13 +232,13 @@ static struct fs_info *create_fs_device(const char *device, const char *mntpnt,
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static int parse_fstab_line(char *line, struct fs_info **ret_fs)
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{
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char *dev, *device, *mntpnt, *type, *opts, *freq, *passno, *cp;
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char *dev, *device, *mntpnt, *type, *opts, *freq, *passno, *cp;
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struct fs_info *fs;
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*ret_fs = 0;
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strip_line(line);
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if ((cp = strchr(line, '#')))
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*cp = 0; /* Ignore everything after the comment char */
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*cp = 0; /* Ignore everything after the comment char */
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cp = line;
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device = parse_word(&cp);
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@ -273,7 +249,7 @@ static int parse_fstab_line(char *line, struct fs_info **ret_fs)
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passno = parse_word(&cp);
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if (!device)
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return 0; /* Allow blank lines */
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return 0; /* Allow blank lines */
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if (!mntpnt || !type)
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return -1;
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@ -306,7 +282,7 @@ static int parse_fstab_line(char *line, struct fs_info **ret_fs)
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static void interpret_type(struct fs_info *fs)
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{
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char *t;
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char *t;
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if (strcmp(fs->type, "auto") != 0)
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return;
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@ -322,15 +298,14 @@ static void interpret_type(struct fs_info *fs)
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*/
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static void load_fs_info(const char *filename)
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{
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FILE *f;
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char buf[1024];
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int lineno = 0;
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int old_fstab = 1;
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FILE *f;
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char buf[1024];
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int lineno = 0;
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int old_fstab = 1;
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struct fs_info *fs;
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if ((f = fopen(filename, "r")) == NULL) {
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fprintf(stderr, _("WARNING: couldn't open %s: %s\n"),
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filename, strerror(errno));
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bb_perror_msg("WARNING: couldn't open %s: %m", filename);
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return;
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}
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while (!feof(f)) {
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@ -339,8 +314,8 @@ static void load_fs_info(const char *filename)
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break;
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buf[sizeof(buf)-1] = 0;
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if (parse_fstab_line(buf, &fs) < 0) {
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fprintf(stderr, _("WARNING: bad format "
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"on line %d of %s\n"), lineno, filename);
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bb_error_msg("WARNING: bad format "
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"on line %d of %s\n", lineno, filename);
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continue;
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}
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if (!fs)
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@ -354,10 +329,10 @@ static void load_fs_info(const char *filename)
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fclose(f);
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if (old_fstab) {
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fputs(_("\007\007\007"
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fputs("\007\007\007"
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"WARNING: Your /etc/fstab does not contain the fsck passno\n"
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" field. I will kludge around things for you, but you\n"
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" should fix your /etc/fstab file as soon as you can.\n\n"), stderr);
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" field. I will kludge around things for you, but you\n"
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" should fix your /etc/fstab file as soon as you can.\n\n", stderr);
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for (fs = filesys_info; fs; fs = fs->next) {
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fs->passno = 1;
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@ -388,7 +363,7 @@ static char *find_fsck(char *type)
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{
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char *s;
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const char *tpl;
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static char prog[256];
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char *prog;
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char *p = string_copy(fsck_path);
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struct stat st;
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@ -396,8 +371,9 @@ static char *find_fsck(char *type)
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tpl = (strncmp(type, "fsck.", 5) ? "%s/fsck.%s" : "%s/%s");
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for(s = strtok(p, ":"); s; s = strtok(NULL, ":")) {
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sprintf(prog, tpl, s, type);
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bb_xasprintf(&prog, tpl, s, type);
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if (stat(prog, &st) == 0) break;
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free(prog);
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}
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free(p);
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return(s ? prog : NULL);
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@ -423,18 +399,19 @@ static int progress_active(void)
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static int execute(const char *type, const char *device, const char *mntpt,
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int interactive)
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{
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char *s, *argv[80], prog[80];
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char *s, *argv[80];
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char *prog;
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int argc, i;
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struct fsck_instance *inst, *p;
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pid_t pid;
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pid_t pid;
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inst = malloc(sizeof(struct fsck_instance));
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if (!inst)
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return ENOMEM;
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memset(inst, 0, sizeof(struct fsck_instance));
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sprintf(prog, "fsck.%s", type);
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argv[0] = string_copy(prog);
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bb_xasprintf(&prog, "fsck.%s", type);
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argv[0] = prog;
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argc = 1;
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for (i=0; i <num_args; i++)
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@ -455,7 +432,7 @@ static int execute(const char *type, const char *device, const char *mntpt,
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s = find_fsck(prog);
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if (s == NULL) {
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fprintf(stderr, _("fsck: %s: not found\n"), prog);
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bb_error_msg("%s: not found", prog);
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return ENOENT;
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}
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@ -477,15 +454,15 @@ static int execute(const char *type, const char *device, const char *mntpt,
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if (!interactive)
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close(0);
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(void) execv(s, argv);
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perror(argv[0]);
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exit(EXIT_ERROR);
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bb_perror_msg_and_die("%s", argv[0]);
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}
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for (i=0; i < argc; i++)
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for (i = 1; i < argc; i++)
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free(argv[i]);
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free(s);
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inst->pid = pid;
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inst->prog = string_copy(prog);
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inst->prog = prog;
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inst->type = string_copy(type);
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inst->device = string_copy(device);
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inst->base_device = base_device(device);
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@ -511,7 +488,7 @@ static int execute(const char *type, const char *device, const char *mntpt,
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static int kill_all(int signum)
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{
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struct fsck_instance *inst;
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int n = 0;
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int n = 0;
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for (inst = instance_list; inst; inst = inst->next) {
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if (inst->flags & FLAG_DONE)
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@ -528,10 +505,10 @@ static int kill_all(int signum)
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*/
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static struct fsck_instance *wait_one(int flags)
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{
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int status;
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int sig;
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int status;
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int sig;
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struct fsck_instance *inst, *inst2, *prev;
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pid_t pid;
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pid_t pid;
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if (!instance_list)
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return NULL;
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@ -567,9 +544,7 @@ static struct fsck_instance *wait_one(int flags)
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if ((errno == EINTR) || (errno == EAGAIN))
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continue;
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if (errno == ECHILD) {
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fprintf(stderr,
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_("%s: wait: No more child process?!?\n"),
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progname);
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bb_error_msg("wait: No more child process?!?");
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return NULL;
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}
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perror("wait");
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@ -590,13 +565,13 @@ static struct fsck_instance *wait_one(int flags)
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if (sig == SIGINT) {
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status = EXIT_UNCORRECTED;
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} else {
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printf(_("Warning... %s for device %s exited "
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"with signal %d.\n"),
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printf("Warning... %s for device %s exited "
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"with signal %d.\n",
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inst->prog, inst->device, sig);
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status = EXIT_ERROR;
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}
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} else {
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printf(_("%s %s: status is %x, should never happen.\n"),
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printf("%s %s: status is %x, should never happen.\n",
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inst->prog, inst->device, status);
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status = EXIT_ERROR;
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}
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@ -632,14 +607,14 @@ ret_inst:
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else
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instance_list = inst->next;
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if (verbose > 1)
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printf(_("Finished with %s (exit status %d)\n"),
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printf("Finished with %s (exit status %d)\n",
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inst->device, inst->exit_status);
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num_running--;
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return inst;
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}
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#define FLAG_WAIT_ALL 0
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#define FLAG_WAIT_ATLEAST_ONE 1
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#define FLAG_WAIT_ALL 0
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#define FLAG_WAIT_ATLEAST_ONE 1
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/*
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* Wait until all executing child processes have exited; return the
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* logical OR of all of their exit code values.
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@ -647,8 +622,8 @@ ret_inst:
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static int wait_many(int flags)
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{
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struct fsck_instance *inst;
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int global_status = 0;
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int wait_flags = 0;
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int global_status = 0;
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int wait_flags = 0;
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while ((inst = wait_one(wait_flags))) {
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global_status |= inst->exit_status;
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@ -692,8 +667,8 @@ static void fsck_device(struct fs_info *fs, int interactive)
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num_running++;
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retval = execute(type, fs->device, fs->mountpt, interactive);
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if (retval) {
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fprintf(stderr, _("%s: Error %d while executing fsck.%s "
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"for %s\n"), progname, retval, type, fs->device);
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bb_error_msg("Error %d while executing fsck.%s for %s",
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retval, type, fs->device);
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num_running--;
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}
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}
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@ -708,9 +683,9 @@ struct fs_type_compile {
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int negate;
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} fs_type_compiled;
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#define FS_TYPE_NORMAL 0
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#define FS_TYPE_OPT 1
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#define FS_TYPE_NEGOPT 2
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#define FS_TYPE_NORMAL 0
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#define FS_TYPE_OPT 1
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#define FS_TYPE_NEGOPT 2
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static const char *fs_type_syntax_error =
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N_("Either all or none of the filesystem types passed to -t must be prefixed\n"
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@ -718,9 +693,9 @@ N_("Either all or none of the filesystem types passed to -t must be prefixed\n"
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static void compile_fs_type(char *fs_type, struct fs_type_compile *cmp)
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{
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char *cp, *list, *s;
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int num = 2;
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int negate, first_negate = 1;
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char *cp, *list, *s;
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int num = 2;
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int negate, first_negate = 1;
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if (fs_type) {
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for (cp=fs_type; *cp; cp++) {
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@ -729,15 +704,8 @@ static void compile_fs_type(char *fs_type, struct fs_type_compile *cmp)
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}
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}
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cmp->list = malloc(num * sizeof(char *));
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cmp->type = malloc(num * sizeof(int));
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if (!cmp->list || !cmp->type) {
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fputs(_("Couldn't allocate memory for filesystem types\n"),
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stderr);
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exit(EXIT_ERROR);
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}
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memset(cmp->list, 0, num * sizeof(char *));
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memset(cmp->type, 0, num * sizeof(int));
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cmp->list = xcalloc(num, sizeof(char *));
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cmp->type = xcalloc(num, sizeof(int));
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cmp->negate = 0;
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if (!fs_type)
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@ -769,14 +737,13 @@ static void compile_fs_type(char *fs_type, struct fs_type_compile *cmp)
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}
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if ((negate && !cmp->negate) ||
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(!negate && cmp->negate)) {
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fputs(_(fs_type_syntax_error), stderr);
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exit(EXIT_USAGE);
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bb_error_msg_and_die("%s", fs_type_syntax_error);
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}
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}
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#if 0
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printf("Adding %s to list (type %d).\n", s, cmp->type[num]);
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#endif
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cmp->list[num++] = string_copy(s);
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cmp->list[num++] = string_copy(s);
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s = strtok(NULL, ",");
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}
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free(list);
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@ -788,7 +755,7 @@ static void compile_fs_type(char *fs_type, struct fs_type_compile *cmp)
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*/
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static int opt_in_list(char *opt, char *optlist)
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{
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char *list, *s;
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char *list, *s;
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if (!optlist)
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return 0;
|
||||
@ -802,7 +769,7 @@ static int opt_in_list(char *opt, char *optlist)
|
||||
}
|
||||
s = strtok(NULL, ",");
|
||||
}
|
||||
free(list);
|
||||
free(list);
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -841,8 +808,9 @@ static int fs_match(struct fs_info *fs, struct fs_type_compile *cmp)
|
||||
/* Check if we should ignore this filesystem. */
|
||||
static int ignore(struct fs_info *fs)
|
||||
{
|
||||
const char **ip;
|
||||
const char * const *ip;
|
||||
int wanted = 0;
|
||||
char *s;
|
||||
|
||||
/*
|
||||
* If the pass number is 0, ignore it.
|
||||
@ -870,12 +838,14 @@ static int ignore(struct fs_info *fs)
|
||||
}
|
||||
|
||||
/* See if the <fsck.fs> program is available. */
|
||||
if (find_fsck(fs->type) == NULL) {
|
||||
s = find_fsck(fs->type);
|
||||
if (s == NULL) {
|
||||
if (wanted)
|
||||
fprintf(stderr, _("fsck: cannot check %s: fsck.%s not found\n"),
|
||||
bb_error_msg("cannot check %s: fsck.%s not found",
|
||||
fs->device, fs->type);
|
||||
return 1;
|
||||
}
|
||||
free(s);
|
||||
|
||||
/* We can and want to check this file system type. */
|
||||
return 0;
|
||||
@ -928,7 +898,7 @@ static int check_all(void)
|
||||
int pass_done;
|
||||
|
||||
if (verbose)
|
||||
fputs(_("Checking all file systems.\n"), stdout);
|
||||
fputs("Checking all file systems.\n", stdout);
|
||||
|
||||
/*
|
||||
* Do an initial scan over the filesystem; mark filesystems
|
||||
@ -1014,7 +984,7 @@ static int check_all(void)
|
||||
if (cancel_requested)
|
||||
break;
|
||||
if (verbose > 1)
|
||||
printf(_("--waiting-- (pass %d)\n"), passno);
|
||||
printf("--waiting-- (pass %d)\n", passno);
|
||||
status |= wait_many(pass_done ? FLAG_WAIT_ALL :
|
||||
FLAG_WAIT_ATLEAST_ONE);
|
||||
if (pass_done) {
|
||||
@ -1035,27 +1005,24 @@ static int check_all(void)
|
||||
#if 0
|
||||
static void usage(void)
|
||||
{
|
||||
fputs(_("Usage: fsck [-ANPRTV] [ -C [ fd ] ] [-t fstype] [fs-options] [filesys ...]\n"), stderr);
|
||||
fputs("Usage: fsck [-ANPRTV] [ -C [ fd ] ] [-t fstype] [fs-options] [filesys ...]\n", stderr);
|
||||
exit(EXIT_USAGE);
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef HAVE_SIGNAL_H
|
||||
static void signal_cancel(int sig FSCK_ATTR((unused)))
|
||||
{
|
||||
cancel_requested++;
|
||||
}
|
||||
#endif
|
||||
|
||||
static void PRS(int argc, char *argv[])
|
||||
{
|
||||
int i, j;
|
||||
char *arg, *dev, *tmp = 0;
|
||||
char options[128];
|
||||
int opt = 0;
|
||||
int i, j;
|
||||
char *arg, *dev, *tmp = 0;
|
||||
char options[128];
|
||||
int opt = 0;
|
||||
int opts_for_fsck = 0;
|
||||
#ifdef HAVE_SIGNAL_H
|
||||
struct sigaction sa;
|
||||
struct sigaction sa;
|
||||
|
||||
/*
|
||||
* Set up signal action
|
||||
@ -1064,23 +1031,18 @@ static void PRS(int argc, char *argv[])
|
||||
sa.sa_handler = signal_cancel;
|
||||
sigaction(SIGINT, &sa, 0);
|
||||
sigaction(SIGTERM, &sa, 0);
|
||||
#endif
|
||||
|
||||
num_devices = 0;
|
||||
num_args = 0;
|
||||
instance_list = 0;
|
||||
|
||||
progname = argv[0];
|
||||
|
||||
for (i=1; i < argc; i++) {
|
||||
arg = argv[i];
|
||||
if (!arg)
|
||||
continue;
|
||||
if ((arg[0] == '/' && !opts_for_fsck) || strchr(arg, '=')) {
|
||||
if (num_devices >= MAX_DEVICES) {
|
||||
fprintf(stderr, _("%s: too many devices\n"),
|
||||
progname);
|
||||
exit(EXIT_ERROR);
|
||||
bb_error_msg_and_die("too many devices");
|
||||
}
|
||||
dev = blkid_get_devname(cache, arg, NULL);
|
||||
if (!dev && strchr(arg, '=')) {
|
||||
@ -1089,31 +1051,26 @@ static void PRS(int argc, char *argv[])
|
||||
* /proc/partitions isn't found.
|
||||
*/
|
||||
if (access("/proc/partitions", R_OK) < 0) {
|
||||
fprintf(stderr, "Couldn't open /proc/partitions: %s\n",
|
||||
strerror(errno));
|
||||
fprintf(stderr, "Is /proc mounted?\n");
|
||||
exit(EXIT_ERROR);
|
||||
bb_error_msg_and_die("Couldn't open /proc/partitions: %m\n"
|
||||
"Is /proc mounted?");
|
||||
}
|
||||
/*
|
||||
* Check to see if this is because
|
||||
* we're not running as root
|
||||
*/
|
||||
if (geteuid())
|
||||
fprintf(stderr,
|
||||
bb_error_msg_and_die(
|
||||
"Must be root to scan for matching filesystems: %s\n", arg);
|
||||
else
|
||||
fprintf(stderr,
|
||||
"Couldn't find matching filesystem: %s\n", arg);
|
||||
exit(EXIT_ERROR);
|
||||
bb_error_msg_and_die(
|
||||
"Couldn't find matching filesystem: %s", arg);
|
||||
}
|
||||
devices[num_devices++] = dev ? dev : string_copy(arg);
|
||||
continue;
|
||||
}
|
||||
if (arg[0] != '-' || opts_for_fsck) {
|
||||
if (num_args >= MAX_ARGS) {
|
||||
fprintf(stderr, _("%s: too many arguments\n"),
|
||||
progname);
|
||||
exit(EXIT_ERROR);
|
||||
bb_error_msg_and_die("too many arguments");
|
||||
}
|
||||
args[num_args++] = string_copy(arg);
|
||||
continue;
|
||||
@ -1196,10 +1153,7 @@ static void PRS(int argc, char *argv[])
|
||||
options[0] = '-';
|
||||
options[++opt] = '\0';
|
||||
if (num_args >= MAX_ARGS) {
|
||||
fprintf(stderr,
|
||||
_("%s: too many arguments\n"),
|
||||
progname);
|
||||
exit(EXIT_ERROR);
|
||||
bb_error_msg("too many arguments");
|
||||
}
|
||||
args[num_args++] = string_copy(options);
|
||||
opt = 0;
|
||||
@ -1222,12 +1176,6 @@ int fsck_main(int argc, char *argv[])
|
||||
setvbuf(stdout, NULL, _IONBF, BUFSIZ);
|
||||
setvbuf(stderr, NULL, _IONBF, BUFSIZ);
|
||||
|
||||
#ifdef ENABLE_NLS
|
||||
setlocale(LC_MESSAGES, "");
|
||||
setlocale(LC_CTYPE, "");
|
||||
bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
|
||||
textdomain(NLS_CAT_NAME);
|
||||
#endif
|
||||
blkid_get_cache(&cache, NULL);
|
||||
PRS(argc, argv);
|
||||
|
||||
@ -1241,15 +1189,7 @@ int fsck_main(int argc, char *argv[])
|
||||
|
||||
/* Update our search path to include uncommon directories. */
|
||||
if (oldpath) {
|
||||
fsck_path = malloc (strlen (fsck_prefix_path) + 1 +
|
||||
strlen (oldpath) + 1);
|
||||
if (!fsck_path) {
|
||||
fprintf(stderr, "%s: Unable to allocate memory for fsck_path\n", progname);
|
||||
exit(EXIT_ERROR);
|
||||
}
|
||||
strcpy (fsck_path, fsck_prefix_path);
|
||||
strcat (fsck_path, ":");
|
||||
strcat (fsck_path, oldpath);
|
||||
bb_xasprintf(&fsck_path, "%s:%s", fsck_prefix_path, oldpath);
|
||||
} else {
|
||||
fsck_path = string_copy(fsck_prefix_path);
|
||||
}
|
||||
@ -1296,7 +1236,8 @@ int fsck_main(int argc, char *argv[])
|
||||
}
|
||||
}
|
||||
status |= wait_many(FLAG_WAIT_ALL);
|
||||
free(fsck_path);
|
||||
if (ENABLE_FEATURE_CLEAN_UP)
|
||||
free(fsck_path);
|
||||
blkid_put_cache(cache);
|
||||
return status;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user