1 /* $NetBSD: fsutil.c,v 1.7 1998/07/30 17:41:03 thorpej Exp $ */
4 * Copyright (c) 1990, 1993
5 * The Regents of the University of California. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by the University of
18 * California, Berkeley and its contributors.
19 * 4. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * $FreeBSD: src/sbin/fsck/fsutil.c,v 1.2.2.1 2001/08/01 05:47:55 obrien Exp $
38 #include <sys/cdefs.h>
49 #include <sys/param.h>
51 #include <sys/mount.h>
55 static const char *dev = NULL;
59 extern char *__progname;
61 static void vmsg(int, const char *, va_list) __printflike(2, 0);
64 setcdevname(const char *cd, int pr)
84 errexit(const char *fmt, ...)
89 vfprintf(stderr, fmt, ap);
95 vmsg(int fatal, const char *fmt, va_list ap)
105 if (fatal && preen) {
107 "%s: UNEXPECTED INCONSISTENCY; RUN %s MANUALLY.\n",
115 pfatal(const char *fmt, ...)
126 pwarn(const char *fmt, ...)
135 perror(const char *s)
137 pfatal("%s (%s)", s, strerror(errno));
141 panic(const char *fmt, ...)
152 unrawname(const char *name)
154 static char unrawbuf[32];
158 if ((dp = strrchr(name, '/')) == 0)
160 if (stat(name, &stb) < 0)
162 if (!S_ISCHR(stb.st_mode))
166 snprintf(unrawbuf, 32, "%.*s/%s", (int)(dp - name), name, dp + 2);
171 rawname(const char *name)
173 static char rawbuf[32];
176 if ((dp = strrchr(name, '/')) == 0)
178 snprintf(rawbuf, 32, "%.*s/r%s", (int)(dp - name), name, dp + 1);
183 devcheck(const char *origname)
185 struct stat stslash, stchar;
187 if (stat("/", &stslash) < 0) {
189 printf("Can't stat root\n");
192 if (stat(origname, &stchar) < 0) {
194 printf("Can't stat %s\n", origname);
197 if (!S_ISCHR(stchar.st_mode)) {
199 printf("%s is not a char device\n", origname);
205 * Get the mount point information for name.
208 getmntpt(const char *name)
210 struct stat devstat, mntdevstat;
211 char device[sizeof(_PATH_DEV) - 1 + MNAMELEN];
213 struct statfs *mntbuf, *statfsp;
214 int i, mntsize, isdev;
216 if (stat(name, &devstat) != 0)
218 if (S_ISCHR(devstat.st_mode) || S_ISBLK(devstat.st_mode))
222 mntsize = getmntinfo(&mntbuf, MNT_NOWAIT);
223 for (i = 0; i < mntsize; i++) {
224 statfsp = &mntbuf[i];
225 devname = statfsp->f_mntfromname;
226 if (*devname != '/') {
227 strcpy(device, _PATH_DEV);
228 strcat(device, devname);
229 strcpy(statfsp->f_mntfromname, device);
232 if (strcmp(name, statfsp->f_mntonname))
236 if (stat(devname, &mntdevstat) == 0 &&
237 mntdevstat.st_rdev == devstat.st_rdev)
246 * XXX this code is from NetBSD, but fails in FreeBSD because we
247 * don't have blockdevs. I don't think its needed.
250 blockcheck(const char *origname)
252 struct stat stslash, stblock, stchar;
253 const char *newname, *raw;
258 if (stat("/", &stslash) < 0) {
260 printf("Can't stat root\n");
265 if (stat(newname, &stblock) < 0) {
267 printf("Can't stat %s\n", newname);
270 if (S_ISBLK(stblock.st_mode)) {
271 if (stslash.st_dev == stblock.st_rdev)
273 raw = rawname(newname);
274 if (stat(raw, &stchar) < 0) {
276 printf("Can't stat %s\n", raw);
279 if (S_ISCHR(stchar.st_mode)) {
282 printf("%s is not a character device\n", raw);
285 } else if (S_ISCHR(stblock.st_mode) && !retried) {
286 newname = unrawname(newname);
289 } else if ((fsp = getfsfile(newname)) != 0 && !retried) {
290 newname = fsp->fs_spec;
295 * Not a block or character device, just return name and
296 * let the user decide whether to use it.