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 * 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. 20 * 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 31 * SUCH DAMAGE. 32 */ 33 34#include <sys/cdefs.h> 35#ifndef lint 36#if 0 37static char sccsid[] = "@(#)vfslist.c 8.1 (Berkeley) 5/8/95"; 38#endif 39__used static const char rcsid[] = 40 "$FreeBSD: src/sbin/mount/vfslist.c,v 1.4 1999/08/28 00:13:27 peter Exp $"; 41#endif /* not lint */ 42 43#include <err.h> 44#include <stdlib.h> 45#include <string.h> 46 47#ifndef __APPLE__ 48#include "extern.h" 49#endif 50 51static int skipvfs; 52 53int checkvfsname(const char *, const char **); 54const char **makevfslist(const char *); 55 56int 57checkvfsname(vfsname, vfslist) 58 const char *vfsname; 59 const char **vfslist; 60{ 61 62 if (vfslist == NULL) 63 return (0); 64 while (*vfslist != NULL) { 65 if (strcmp(vfsname, *vfslist) == 0) 66 return (skipvfs); 67 ++vfslist; 68 } 69 return (!skipvfs); 70} 71 72const char ** 73makevfslist(fslist) 74 const char *fslist; 75{ 76 const char **av; 77 int i; 78 const char *cnextcp; 79 char *nextcp; 80 81 if (fslist == NULL) 82 return (NULL); 83 if (fslist[0] == 'n' && fslist[1] == 'o') { 84 fslist += 2; 85 skipvfs = 1; 86 } 87 for (i = 0, cnextcp = fslist; *cnextcp; cnextcp++) 88 if (*cnextcp == ',') 89 i++; 90 if ((av = malloc((size_t)(i + 2) * sizeof(char *))) == NULL) { 91 warnx("malloc failed"); 92 return (NULL); 93 } 94 nextcp = strdup(fslist); 95 i = 0; 96 av[i++] = nextcp; 97 while ((nextcp = strchr(nextcp, ',')) != NULL) { 98 *nextcp++ = '\0'; 99 av[i++] = nextcp; 100 } 101 av[i++] = NULL; 102 return (av); 103} 104