1 files changed, 87 insertions, 0 deletions
diff --git a/sbin/mount/getmntopts.c b/sbin/mount/getmntopts.c
new file mode 100644
index 0000000..2c84ae5
--- /dev/null
+++ b/sbin/mount/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);
+}