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88 lines
2.9 KiB
C
88 lines
2.9 KiB
C
/*-
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* Copyright (c) 1994
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. 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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#ifndef lint
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static char sccsid[] = "@(#)getmntopts.c 8.1 (Berkeley) 3/27/94";
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#endif /* not lint */
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#include <sys/param.h>
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#include <sys/mount.h>
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#include <err.h>
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#include <errno.h>
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#include <fstab.h>
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#include <stdlib.h>
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#include <string.h>
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#include "mntopts.h"
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void
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getmntopts(options, m0, flagp)
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const char *options;
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const struct mntopt *m0;
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int *flagp;
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{
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const struct mntopt *m;
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int negative;
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char *opt, *optbuf;
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/* Copy option string, since it is about to be torn asunder... */
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if ((optbuf = strdup(options)) == NULL)
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err(1, NULL);
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for (opt = optbuf; (opt = strtok(opt, ",")) != NULL; opt = NULL) {
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/* Check for "no" prefix. */
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if (opt[0] == 'n' && opt[1] == 'o') {
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negative = 1;
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opt += 2;
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} else
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negative = 0;
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/* Scan option table. */
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for (m = m0; m->m_option != NULL; ++m)
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if (strcasecmp(opt, m->m_option) == 0)
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break;
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/* Save flag, or fail if option is not recognised. */
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if (m->m_option) {
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if (negative == m->m_inverse)
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*flagp |= m->m_flag;
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else
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*flagp &= ~m->m_flag;
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} else
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errx(1, "-o %s: option not supported", opt);
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}
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free(optbuf);
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}
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