3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * @(#)getmntopts.c 8.3 (Berkeley) 3/29/95
34 * $FreeBSD: src/sbin/mount/getmntopts.c,v 1.9 1999/10/09 11:54:06 phk Exp $
37 #include <sys/param.h>
47 int getmnt_silent = 0;
50 getmntopts(const char *options, const struct mntopt *m0, int *flagp,
53 const struct mntopt *m;
55 char *opt, *optbuf, *p;
58 /* Copy option string, since it is about to be torn asunder... */
59 if ((optbuf = strdup(options)) == NULL)
62 for (opt = optbuf; (opt = strtok(opt, ",")) != NULL; opt = NULL) {
63 /* Check for "no" prefix. */
64 if (opt[0] == 'n' && opt[1] == 'o') {
71 * for options with assignments in them (ie. quotas)
72 * ignore the assignment as it's handled elsewhere
78 /* Scan option table. */
79 for (m = m0; m->m_option != NULL; ++m) {
80 if (strcasecmp(opt, m->m_option) == 0)
84 /* Save flag, or fail if option is not recognized. */
86 thisflagp = m->m_altloc ? altflagp : flagp;
87 if (negative == m->m_inverse)
88 *thisflagp |= m->m_flag;
90 *thisflagp &= ~m->m_flag;
91 } else if (!getmnt_silent) {
92 errx(1, "-o %s: option not supported", opt);
100 rmslashes(char *rrpin, char *rrpout)
105 for (rrpoutstart = rrpout; *rrpin != '\0'; *rrpout++ = *rrpin++) {
107 /* skip all double slashes */
108 while (*rrpin == '/' && *(rrpin + 1) == '/')
112 /* remove trailing slash if necessary */
113 if (rrpout - rrpoutstart > 1 && *(rrpout - 1) == '/')
114 *(rrpout - 1) = '\0';
120 checkpath(const char *path, char *resolved)
124 if (realpath(path, resolved) != NULL && stat(resolved, &sb) == 0) {
125 if (!S_ISDIR(sb.st_mode))
126 errx(EX_USAGE, "%s: not a directory", resolved);
128 errx(EX_USAGE, "%s: %s", resolved, strerror(errno));