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/*-
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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
#if 0
static char sccsid[] = "@(#)getmntopts.c 8.3 (Berkeley) 3/29/95";
#else
static const char rcsid[] =
"$FreeBSD$";
#endif
#endif /* not lint */
#include <sys/param.h>
#include <sys/stat.h>
#include <err.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <sysexits.h>
#include "mntopts.h"
int getmnt_silent = 0;
void
getmntopts(options, m0, flagp, altflagp)
const char *options;
const struct mntopt *m0;
int *flagp;
int *altflagp;
{
const struct mntopt *m;
int negative, len;
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) {
len = strlen(m->m_option);
if (strncasecmp(opt, m->m_option, len) == 0)
if ( m->m_option[len] == '\0'
|| m->m_option[len] == '='
)
break;
}
/* Save flag, or fail if option is not recognized. */
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);
}
void
rmslashes(rrpin, rrpout)
char *rrpin;
char *rrpout;
{
char *rrpoutstart;
*rrpout = *rrpin;
for (rrpoutstart = rrpout; *rrpin != '\0'; *rrpout++ = *rrpin++) {
/* skip all double slashes */
while (*rrpin == '/' && *(rrpin + 1) == '/')
rrpin++;
}
/* remove trailing slash if necessary */
if (rrpout - rrpoutstart > 1 && *(rrpout - 1) == '/')
*(rrpout - 1) = '\0';
else
*rrpout = '\0';
}
void
checkpath(path, resolved)
const char *path;
char *resolved;
{
struct stat sb;
if (realpath(path, resolved) != NULL && stat(resolved, &sb) == 0) {
if (!S_ISDIR(sb.st_mode))
errx(EX_USAGE, "%s: not a directory", resolved);
} else
errx(EX_USAGE, "%s: %s", resolved, strerror(errno));
}
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