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authorRodney W. Grimes <rgrimes@FreeBSD.org>1994-05-26 06:35:07 +0000
committerRodney W. Grimes <rgrimes@FreeBSD.org>1994-05-26 06:35:07 +0000
commit8fae3551ec46402adf7ab034cf9e02bcbc7ca8ee (patch)
treeb01471c3d6b141c37639a14b7a25f0433d926a99 /sbin/mount_ifs/getmntopts.c
parent4b88c807ea9c629dc5691abc7e3cac9ea0d776dd (diff)
downloadsrc-8fae3551ec46402adf7ab034cf9e02bcbc7ca8ee.tar.gz
src-8fae3551ec46402adf7ab034cf9e02bcbc7ca8ee.zip
BSD 4.4 Lite sbin Sources
Note: XNSrouted and routed NOT imported here, they shall be imported with usr.sbin.
Notes
Notes: svn path=/head/; revision=1558
Diffstat (limited to 'sbin/mount_ifs/getmntopts.c')
-rw-r--r--sbin/mount_ifs/getmntopts.c87
1 files changed, 87 insertions, 0 deletions
diff --git a/sbin/mount_ifs/getmntopts.c b/sbin/mount_ifs/getmntopts.c
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index 000000000000..2c84ae56e3d5
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+++ b/sbin/mount_ifs/getmntopts.c
@@ -0,0 +1,87 @@
+/*-
+ * Copyright (c) 1994
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)getmntopts.c 8.1 (Berkeley) 3/27/94";
+#endif /* not lint */
+
+#include <sys/param.h>
+#include <sys/mount.h>
+
+#include <err.h>
+#include <errno.h>
+#include <fstab.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "mntopts.h"
+
+void
+getmntopts(options, m0, flagp)
+ const char *options;
+ const struct mntopt *m0;
+ int *flagp;
+{
+ const struct mntopt *m;
+ int negative;
+ char *opt, *optbuf;
+
+ /* Copy option string, since it is about to be torn asunder... */
+ if ((optbuf = strdup(options)) == NULL)
+ err(1, NULL);
+
+ for (opt = optbuf; (opt = strtok(opt, ",")) != NULL; opt = NULL) {
+ /* Check for "no" prefix. */
+ if (opt[0] == 'n' && opt[1] == 'o') {
+ negative = 1;
+ opt += 2;
+ } else
+ negative = 0;
+
+ /* Scan option table. */
+ for (m = m0; m->m_option != NULL; ++m)
+ if (strcasecmp(opt, m->m_option) == 0)
+ break;
+
+ /* Save flag, or fail if option is not recognised. */
+ if (m->m_option) {
+ if (negative == m->m_inverse)
+ *flagp |= m->m_flag;
+ else
+ *flagp &= ~m->m_flag;
+ } else
+ errx(1, "-o %s: option not supported", opt);
+ }
+
+ free(optbuf);
+}