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 * 4. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #include <sys/cdefs.h>
34 __RCSID("$NetBSD: fsutil.c,v 1.7 1998/07/30 17:41:03 thorpej Exp $");
36 __FBSDID("$FreeBSD$");
38 #include <sys/param.h>
40 #include <sys/mount.h>
53 static const char *dev = NULL;
56 static void vmsg(int, const char *, va_list) __printflike(2, 0);
59 setcdevname(const char *cd, int pr)
72 vmsg(int fatal, const char *fmt, va_list ap)
75 (void) printf("%s: ", dev);
77 (void) vprintf(fmt, ap);
84 "%s: UNEXPECTED INCONSISTENCY; RUN %s MANUALLY.\n",
92 pfatal(const char *fmt, ...)
103 pwarn(const char *fmt, ...)
113 perror(const char *s)
115 pfatal("%s (%s)", s, strerror(errno));
119 panic(const char *fmt, ...)
130 devcheck(const char *origname)
132 struct stat stslash, stchar;
134 if (stat("/", &stslash) < 0) {
136 printf("Can't stat root\n");
139 if (stat(origname, &stchar) < 0) {
141 printf("Can't stat %s\n", origname);
144 if (!S_ISCHR(stchar.st_mode)) {
146 printf("%s is not a char device\n", origname);
152 * Get the mount point information for name.
155 getmntpt(const char *name)
157 struct stat devstat, mntdevstat;
158 char device[sizeof(_PATH_DEV) - 1 + MNAMELEN];
160 struct statfs *mntbuf, *statfsp;
161 int i, mntsize, isdev;
163 if (stat(name, &devstat) != 0)
165 if (S_ISCHR(devstat.st_mode) || S_ISBLK(devstat.st_mode))
169 mntsize = getmntinfo(&mntbuf, MNT_NOWAIT);
170 for (i = 0; i < mntsize; i++) {
171 statfsp = &mntbuf[i];
172 devname = statfsp->f_mntfromname;
173 if (*devname != '/') {
174 strcpy(device, _PATH_DEV);
175 strcat(device, devname);
176 strcpy(statfsp->f_mntfromname, device);
179 if (strcmp(name, statfsp->f_mntonname))
183 if (stat(devname, &mntdevstat) == 0 &&
184 mntdevstat.st_rdev == devstat.st_rdev)
199 err(1, "malloc failed");
205 erealloc(void *p, size_t s)
211 err(1, "realloc failed");
217 estrdup(const char *s)
223 err(1, "strdup failed");