1 /* $NetBSD: vfslist.c,v 1.4 2003/08/07 10:04:26 agc Exp $ */ 2 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 #include <sys/cdefs.h> 33 #ifndef lint 34 #if 0 35 static char sccsid[] = "@(#)vfslist.c 8.1 (Berkeley) 5/8/95"; 36 #else 37 __RCSID("$NetBSD: vfslist.c,v 1.4 2003/08/07 10:04:26 agc Exp $"); 38 #endif 39 #endif /* not lint */ 40 41 #include <err.h> 42 #include <stdlib.h> 43 #include <string.h> 44 #include <unistd.h> 45 46 #include "vfslist.h" 47 48 static int skipvfs; 49 50 int 51 checkvfsname(vfsname, vfslist) 52 const char *vfsname; 53 const char **vfslist; 54 { 55 56 if (vfslist == NULL) 57 return (0); 58 while (*vfslist != NULL) { 59 if (strcmp(vfsname, *vfslist) == 0) 60 return (skipvfs); 61 ++vfslist; 62 } 63 return (!skipvfs); 64 } 65 66 const char ** 67 makevfslist(fslist) 68 char *fslist; 69 { 70 const char **av; 71 int i; 72 char *nextcp; 73 74 if (fslist == NULL) 75 return (NULL); 76 if (fslist[0] == 'n' && fslist[1] == 'o') { 77 fslist += 2; 78 skipvfs = 1; 79 } 80 for (i = 0, nextcp = fslist; *nextcp; nextcp++) 81 if (*nextcp == ',') 82 i++; 83 if ((av = malloc((size_t)(i + 2) * sizeof(char *))) == NULL) { 84 warn("malloc"); 85 return (NULL); 86 } 87 nextcp = fslist; 88 i = 0; 89 av[i++] = nextcp; 90 while ((nextcp = strchr(nextcp, ',')) != NULL) { 91 *nextcp++ = '\0'; 92 av[i++] = nextcp; 93 } 94 av[i++] = NULL; 95 return (av); 96 } 97