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/*
* Copyright (c) 1989 Jan-Simon Pendry
* Copyright (c) 1989 Imperial College of Science, Technology & Medicine
* Copyright (c) 1989, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Jan-Simon Pendry at Imperial College, London.
*
* 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.
*
* @(#)mtab.c 8.1 (Berkeley) 6/6/93
*
* $Id: mtab.c,v 5.2.2.1 1992/02/09 15:08:45 jsp beta $
*
*/
#include "am.h"
/*
* Firewall /etc/mtab entries
*/
void mnt_free P((struct mntent *mp));
void mnt_free(mp)
struct mntent *mp;
{
free(mp->mnt_fsname);
free(mp->mnt_dir);
free(mp->mnt_type);
free(mp->mnt_opts);
free((voidp) mp);
}
/*
* Discard memory allocated for mount list
*/
void discard_mntlist P((mntlist *mp));
void discard_mntlist(mp)
mntlist *mp;
{
mntlist *mp2;
while (mp2 = mp) {
mp = mp->mnext;
if (mp2->mnt)
mnt_free(mp2->mnt);
free((voidp) mp2);
}
}
/*
* Throw away a mount list
*/
void free_mntlist P((mntlist *mp));
void free_mntlist(mp)
mntlist *mp;
{
discard_mntlist(mp);
unlock_mntlist();
}
/*
* Utility routine which determines the value of a
* numeric option in the mount options (such as port=%d).
* Returns 0 if the option is not specified.
*/
int hasmntval P((struct mntent *mnt, char *opt));
int hasmntval(mnt, opt)
struct mntent *mnt;
char *opt;
{
char *str = hasmntopt(mnt, opt);
if (str) {
char *eq = strchr(str, '=');
if (eq)
return atoi(eq+1);
else
plog(XLOG_USER, "bad numeric option \"%s\" in \"%s\"", opt, str);
}
return 0;
}
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