File: [local] / src / sbin / mount_nfs / Attic / getmntopts.c (download)
Revision 1.3, Wed Jun 11 06:22:14 2003 UTC (20 years, 11 months ago) by deraadt
Branch: MAIN
CVS Tags: OPENBSD_3_5_BASE, OPENBSD_3_5, OPENBSD_3_4_BASE, OPENBSD_3_4 Changes since 1.2: +3 -6 lines
ansification
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/* $OpenBSD: getmntopts.c,v 1.3 2003/06/11 06:22:14 deraadt Exp $ */
/*-
* Copyright (c) 1994
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
static char sccsid[] = "@(#)getmntopts.c 8.3 (Berkeley) 3/29/95";
#endif /* not lint */
#include <sys/param.h>
#include <sys/mount.h>
#include <err.h>
#include <errno.h>
#include <fstab.h>
#include <stdlib.h>
#include <string.h>
#include "mntopts.h"
int getmnt_silent = 0;
void
getmntopts(const char *options, const struct mntopt *m0, int *flagp,
int *altflagp)
{
const struct mntopt *m;
int negative;
char *opt, *optbuf, *p;
int *thisflagp;
/* Copy option string, since it is about to be torn asunder... */
if ((optbuf = strdup(options)) == NULL)
err(1, NULL);
for (opt = optbuf; (opt = strtok(opt, ",")) != NULL; opt = NULL) {
/* Check for "no" prefix. */
if (opt[0] == 'n' && opt[1] == 'o') {
negative = 1;
opt += 2;
} else
negative = 0;
/*
* for options with assignments in them (ie. quotas)
* ignore the assignment as it's handled elsewhere
*/
p = strchr(opt, '=');
if (p)
*p = '\0';
/* Scan option table. */
for (m = m0; m->m_option != NULL; ++m)
if (strcasecmp(opt, m->m_option) == 0)
break;
/* Save flag, or fail if option is not recognised. */
if (m->m_option) {
thisflagp = m->m_altloc ? altflagp : flagp;
if (negative == m->m_inverse)
*thisflagp |= m->m_flag;
else
*thisflagp &= ~m->m_flag;
} else if (!getmnt_silent) {
errx(1, "-o %s: option not supported", opt);
}
}
free(optbuf);
}