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