1/*-
2 * Copyright (c) 1995
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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 * 4. Neither the name of the University nor the names of its contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#ifndef lint
31#if 0
32static char sccsid[] = "@(#)vfslist.c	8.1 (Berkeley) 5/8/95";
33#endif
34#endif /* not lint */
35#include <sys/cdefs.h>
36__FBSDID("$FreeBSD$");
37
38#include <err.h>
39#include <stdlib.h>
40#include <string.h>
41
42#include "extern.h"
43
44static int	  skipvfs;
45
46int
47checkvfsname(const char *vfsname, const char **vfslist)
48{
49
50	if (vfslist == NULL)
51		return (0);
52	while (*vfslist != NULL) {
53		if (strcmp(vfsname, *vfslist) == 0)
54			return (skipvfs);
55		++vfslist;
56	}
57	return (!skipvfs);
58}
59
60const char **
61makevfslist(char *fslist)
62{
63	const char **av;
64	int i;
65	char *nextcp;
66
67	if (fslist == NULL)
68		return (NULL);
69	if (fslist[0] == 'n' && fslist[1] == 'o') {
70		fslist += 2;
71		skipvfs = 1;
72	}
73	for (i = 0, nextcp = fslist; *nextcp; nextcp++)
74		if (*nextcp == ',')
75			i++;
76	if ((av = malloc((size_t)(i + 2) * sizeof(char *))) == NULL) {
77		warnx("malloc failed");
78		return (NULL);
79	}
80	nextcp = fslist;
81	i = 0;
82	av[i++] = nextcp;
83	while ((nextcp = strchr(nextcp, ',')) != NULL) {
84		*nextcp++ = '\0';
85		av[i++] = nextcp;
86	}
87	av[i++] = NULL;
88	return (av);
89}
90