. add bsd-style MLINKS to minix man set, restoring aliases (e.g. man add64 -> int64) . update daily cron script to run makewhatis and restore makewhatis in man Makefile (makedb), restores functionality of man -k . netbsd imports of man, mdocml, makewhatis, libutil, apropos . update man.conf with manpage locations, restoring man [-s] <section> . throws out some obsolete manpages
194 lines
4.6 KiB
C
194 lines
4.6 KiB
C
/* $NetBSD: getmntopts.c,v 1.4 2007/08/26 22:46:15 pooka Exp $ */
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/*-
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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. 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[] = "@(#)getmntopts.c 8.3 (Berkeley) 3/29/95";
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#else
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__RCSID("$NetBSD: getmntopts.c,v 1.4 2007/08/26 22:46:15 pooka Exp $");
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#endif
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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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int getmnt_silent = 0;
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static const char errmsg[] = "-o %s: option not supported";
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struct mntoptparse {
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const char *options;
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const struct mntopt *mopts;
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char *optbuf;
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char **optarg;
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};
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const char *
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getmntoptstr(mntoptparse_t mp, const char *opt)
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{
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const struct mntopt *m;
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for (m = mp->mopts; 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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if (m->m_option == NULL) {
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if (getmnt_silent == 0)
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errx(1, errmsg, opt);
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else
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return NULL;
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}
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return mp->optarg[m - mp->mopts];
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}
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long
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getmntoptnum(mntoptparse_t mp, const char *opt)
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{
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char *ep;
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long rv;
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void (*fun)(int, const char *, ...) = NULL;
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const char *val = getmntoptstr(mp, opt);
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if (val == NULL) {
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if (getmnt_silent == 0)
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errx(1, "Missing %s argument", opt);
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else
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return -1;
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}
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errno = 0;
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rv = strtol(val, &ep, 0);
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if (*ep)
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fun = errx;
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if (errno == ERANGE && (rv == LONG_MAX || rv == LONG_MIN))
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fun = err;
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if (fun) {
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if (getmnt_silent != 0)
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return -1;
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(*fun)(1, "Invalid %s argument `%s'", opt, val);
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}
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return rv;
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}
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void
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freemntopts(mntoptparse_t mp)
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{
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free(mp->optbuf);
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free(mp->optarg);
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free(mp);
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}
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mntoptparse_t
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getmntopts(const char *options, const struct mntopt *m0, int *flagp,
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int *altflagp)
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{
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const struct mntopt *m;
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int negative;
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char *opt, *p;
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int *thisflagp;
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size_t nopts;
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mntoptparse_t mp;
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for (nopts = 0, m = m0; m->m_option != NULL; ++m, nopts++)
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continue;
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if ((mp = malloc(sizeof(struct mntoptparse))) == NULL)
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return NULL;
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/* Copy option string, since it is about to be torn asunder... */
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if ((mp->optbuf = strdup(options)) == NULL) {
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free(mp);
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return NULL;
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}
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if ((mp->optarg = calloc(nopts, sizeof(char *))) == NULL) {
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free(mp->optbuf);
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free(mp);
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return NULL;
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}
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mp->mopts = m0;
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mp->options = options;
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for (opt = mp->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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/*
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* for options with assignments in them (ie. quotas)
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* ignore the assignment as it's handled elsewhere
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*/
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p = strchr(opt, '=');
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if (p) {
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*p++ = '\0';
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}
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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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mp->optarg[m - m0] = p;
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thisflagp = m->m_altloc ? altflagp : flagp;
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if (negative == m->m_inverse)
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*thisflagp |= m->m_flag;
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else
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*thisflagp &= ~m->m_flag;
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} else if (!getmnt_silent) {
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errx(1, errmsg, opt);
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} else {
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free(mp->optbuf);
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free(mp);
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return NULL;
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}
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}
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return mp;
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}
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