1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1995 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #ifndef lint 33 #if 0 34 static char sccsid[] = "@(#)vfslist.c 8.1 (Berkeley) 5/8/95"; 35 #endif 36 #endif /* not lint */ 37 #include <sys/cdefs.h> 38 __FBSDID("$FreeBSD$"); 39 40 #include <err.h> 41 #include <stdlib.h> 42 #include <string.h> 43 44 #include "extern.h" 45 46 static int skipvfs; 47 48 int 49 checkvfsname(const char *vfsname, const char **vfslist) 50 { 51 52 if (vfslist == NULL) 53 return (0); 54 while (*vfslist != NULL) { 55 if (strcmp(vfsname, *vfslist) == 0) 56 return (skipvfs); 57 ++vfslist; 58 } 59 return (!skipvfs); 60 } 61 62 const char ** 63 makevfslist(char *fslist) 64 { 65 const char **av; 66 int i; 67 char *nextcp; 68 69 if (fslist == NULL) 70 return (NULL); 71 if (fslist[0] == 'n' && fslist[1] == 'o') { 72 fslist += 2; 73 skipvfs = 1; 74 } 75 for (i = 0, nextcp = fslist; *nextcp; nextcp++) 76 if (*nextcp == ',') 77 i++; 78 if ((av = malloc((size_t)(i + 2) * sizeof(char *))) == NULL) { 79 warnx("malloc failed"); 80 return (NULL); 81 } 82 nextcp = fslist; 83 i = 0; 84 av[i++] = nextcp; 85 while ((nextcp = strchr(nextcp, ',')) != NULL) { 86 *nextcp++ = '\0'; 87 av[i++] = nextcp; 88 } 89 av[i++] = NULL; 90 return (av); 91 } 92