1 /* $NetBSD: vfslist.c,v 1.3 2000/11/01 04:10:02 enami 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 #if 0 39 static char sccsid[] = "@(#)vfslist.c 8.1 (Berkeley) 5/8/95"; 40 #else 41 __RCSID("$NetBSD: vfslist.c,v 1.3 2000/11/01 04:10:02 enami Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #include <err.h> 46 #include <stdlib.h> 47 #include <string.h> 48 #include <unistd.h> 49 50 #include "vfslist.h" 51 52 static int skipvfs; 53 54 int 55 checkvfsname(vfsname, vfslist) 56 const char *vfsname; 57 const char **vfslist; 58 { 59 60 if (vfslist == NULL) 61 return (0); 62 while (*vfslist != NULL) { 63 if (strcmp(vfsname, *vfslist) == 0) 64 return (skipvfs); 65 ++vfslist; 66 } 67 return (!skipvfs); 68 } 69 70 const char ** 71 makevfslist(fslist) 72 char *fslist; 73 { 74 const char **av; 75 int i; 76 char *nextcp; 77 78 if (fslist == NULL) 79 return (NULL); 80 if (fslist[0] == 'n' && fslist[1] == 'o') { 81 fslist += 2; 82 skipvfs = 1; 83 } 84 for (i = 0, nextcp = fslist; *nextcp; nextcp++) 85 if (*nextcp == ',') 86 i++; 87 if ((av = malloc((size_t)(i + 2) * sizeof(char *))) == NULL) { 88 warn("malloc"); 89 return (NULL); 90 } 91 nextcp = fslist; 92 i = 0; 93 av[i++] = nextcp; 94 while ((nextcp = strchr(nextcp, ',')) != NULL) { 95 *nextcp++ = '\0'; 96 av[i++] = nextcp; 97 } 98 av[i++] = NULL; 99 return (av); 100 } 101