100 lines
2.8 KiB
C
100 lines
2.8 KiB
C
/* $NetBSD: vfslist.c,v 1.6 2005/06/26 21:43:33 christos Exp $ */
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/*
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* Copyright (c) 1995
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)vfslist.c 8.1 (Berkeley) 5/8/95";
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#else
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__RCSID("$NetBSD: vfslist.c,v 1.6 2005/06/26 21:43:33 christos Exp $");
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#endif
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#endif /* not lint */
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#include <err.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "vfslist.h"
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static int skipvfs;
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int
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checkvfsname(const char *vfsname, const char **vfslist)
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{
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if (vfslist == NULL)
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return (0);
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while (*vfslist != NULL) {
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if (strcmp(vfsname, *vfslist) == 0)
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return (skipvfs);
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++vfslist;
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}
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return (!skipvfs);
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}
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const char **
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makevfslist(const char *fslist)
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{
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const char **av;
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size_t i;
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char *nextcp, *fsl;
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if (fslist == NULL)
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return NULL;
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if (fslist[0] == 'n' && fslist[1] == 'o') {
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fslist += 2;
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skipvfs = 1;
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}
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if ((fsl = strdup(fslist)) == NULL) {
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warn("strdup");
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return NULL;
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}
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for (i = 0, nextcp = fsl; *nextcp; nextcp++)
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if (*nextcp == ',')
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i++;
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if ((av = malloc((i + 2) * sizeof(char *))) == NULL) {
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warn("malloc");
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free(fsl);
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return NULL;
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}
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nextcp = fsl;
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i = 0;
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av[i++] = nextcp;
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while ((nextcp = strchr(nextcp, ',')) != NULL) {
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*nextcp++ = '\0';
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av[i++] = nextcp;
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}
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av[i++] = NULL;
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return av;
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}
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