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
36 #include <sys/cdefs.h>
38 __RCSID("$NetBSD: fsutil.c,v 1.7 1998/07/30 17:41:03 thorpej Exp $");
40 __FBSDID("$FreeBSD$");
42 #include <sys/param.h>
44 #include <sys/mount.h>
57 static const char *dev = NULL;
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 (void) vfprintf(stderr, fmt, ap);
95 vmsg(int fatal, const char *fmt, va_list ap)
98 (void) printf("%s: ", dev);
100 (void) vprintf(fmt, ap);
105 if (fatal && preen) {
107 "%s: UNEXPECTED INCONSISTENCY; RUN %s MANUALLY.\n",
115 pfatal(const char *fmt, ...)
126 pwarn(const char *fmt, ...)
136 perror(const char *s)
138 pfatal("%s (%s)", s, strerror(errno));
142 panic(const char *fmt, ...)
153 unrawname(const char *name)
155 static char unrawbuf[32];
159 if ((dp = strrchr(name, '/')) == 0)
161 if (stat(name, &stb) < 0)
163 if (!S_ISCHR(stb.st_mode))
167 (void)snprintf(unrawbuf, 32, "%.*s/%s", (int)(dp - name), name, dp + 2);
172 rawname(const char *name)
174 static char rawbuf[32];
177 if ((dp = strrchr(name, '/')) == 0)
179 (void)snprintf(rawbuf, 32, "%.*s/r%s", (int)(dp - name), name, dp + 1);
184 devcheck(const char *origname)
186 struct stat stslash, stchar;
188 if (stat("/", &stslash) < 0) {
190 printf("Can't stat root\n");
193 if (stat(origname, &stchar) < 0) {
195 printf("Can't stat %s\n", origname);
198 if (!S_ISCHR(stchar.st_mode)) {
200 printf("%s is not a char device\n", origname);
206 * Get the mount point information for name.
209 getmntpt(const char *name)
211 struct stat devstat, mntdevstat;
212 char device[sizeof(_PATH_DEV) - 1 + MNAMELEN];
214 struct statfs *mntbuf, *statfsp;
215 int i, mntsize, isdev;
217 if (stat(name, &devstat) != 0)
219 if (S_ISCHR(devstat.st_mode) || S_ISBLK(devstat.st_mode))
223 mntsize = getmntinfo(&mntbuf, MNT_NOWAIT);
224 for (i = 0; i < mntsize; i++) {
225 statfsp = &mntbuf[i];
226 devname = statfsp->f_mntfromname;
227 if (*devname != '/') {
228 strcpy(device, _PATH_DEV);
229 strcat(device, devname);
230 strcpy(statfsp->f_mntfromname, device);
233 if (strcmp(name, statfsp->f_mntonname))
237 if (stat(devname, &mntdevstat) == 0 &&
238 mntdevstat.st_rdev == devstat.st_rdev)
253 err(1, "malloc failed");
259 erealloc(void *p, size_t s)
265 err(1, "realloc failed");
271 estrdup(const char *s)
277 err(1, "strdup failed");