128671Ssteve/*-
223412Sbde * Copyright (c) 1995
323412Sbde *	The Regents of the University of California.  All rights reserved.
423412Sbde *
523412Sbde * Redistribution and use in source and binary forms, with or without
623412Sbde * modification, are permitted provided that the following conditions
723412Sbde * are met:
823412Sbde * 1. Redistributions of source code must retain the above copyright
923412Sbde *    notice, this list of conditions and the following disclaimer.
1023412Sbde * 2. Redistributions in binary form must reproduce the above copyright
1123412Sbde *    notice, this list of conditions and the following disclaimer in the
1223412Sbde *    documentation and/or other materials provided with the distribution.
1323412Sbde * 4. Neither the name of the University nor the names of its contributors
1423412Sbde *    may be used to endorse or promote products derived from this software
1523412Sbde *    without specific prior written permission.
1623412Sbde *
1723412Sbde * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
1823412Sbde * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1923412Sbde * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2023412Sbde * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
2123412Sbde * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
2223412Sbde * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2323412Sbde * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
2423412Sbde * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
2523412Sbde * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
2623412Sbde * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
2723412Sbde * SUCH DAMAGE.
2823412Sbde */
2923412Sbde
3023412Sbde#ifndef lint
3128671Ssteve#if 0
3223412Sbdestatic char sccsid[] = "@(#)vfslist.c	8.1 (Berkeley) 5/8/95";
3337425Scharnier#endif
3423412Sbde#endif /* not lint */
35114589Sobrien#include <sys/cdefs.h>
36114589Sobrien__FBSDID("$FreeBSD$");
3723412Sbde
3828671Ssteve#include <err.h>
3923412Sbde#include <stdlib.h>
4023412Sbde#include <string.h>
4123412Sbde
4228671Ssteve#include "extern.h"
4328671Ssteve
4423412Sbdestatic int	  skipvfs;
4523412Sbde
4623412Sbdeint
47201227Sedcheckvfsname(const char *vfsname, const char **vfslist)
4823412Sbde{
4923412Sbde
5023412Sbde	if (vfslist == NULL)
5123412Sbde		return (0);
5223412Sbde	while (*vfslist != NULL) {
5323412Sbde		if (strcmp(vfsname, *vfslist) == 0)
5423412Sbde			return (skipvfs);
5523412Sbde		++vfslist;
5623412Sbde	}
5723412Sbde	return (!skipvfs);
5823412Sbde}
5923412Sbde
6023412Sbdeconst char **
61201227Sedmakevfslist(char *fslist)
6223412Sbde{
6323412Sbde	const char **av;
6423412Sbde	int i;
6523412Sbde	char *nextcp;
6623412Sbde
6723412Sbde	if (fslist == NULL)
6823412Sbde		return (NULL);
6923412Sbde	if (fslist[0] == 'n' && fslist[1] == 'o') {
7023412Sbde		fslist += 2;
7123412Sbde		skipvfs = 1;
7223412Sbde	}
7323412Sbde	for (i = 0, nextcp = fslist; *nextcp; nextcp++)
7423412Sbde		if (*nextcp == ',')
7523412Sbde			i++;
7623412Sbde	if ((av = malloc((size_t)(i + 2) * sizeof(char *))) == NULL) {
7737425Scharnier		warnx("malloc failed");
7823412Sbde		return (NULL);
7923412Sbde	}
8023412Sbde	nextcp = fslist;
8123412Sbde	i = 0;
8223412Sbde	av[i++] = nextcp;
8323412Sbde	while ((nextcp = strchr(nextcp, ',')) != NULL) {
8423412Sbde		*nextcp++ = '\0';
8523412Sbde		av[i++] = nextcp;
8623412Sbde	}
8723412Sbde	av[i++] = NULL;
8823412Sbde	return (av);
8923412Sbde}
90