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/* $OpenBSD: filesys-os.c,v 1.11 2014/07/05 10:21:24 guenther Exp $ */
/*
* Copyright (c) 1983 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.
*/
#include <sys/param.h>
#include <sys/mount.h>
#include "defs.h"
/*
* OS specific file system routines
*/
static struct statfs *mnt = NULL;
static int entries_left;
/*
* getfsstat() version of get mount info routines.
*/
int
setmountent(void)
{
long size;
size = getfsstat(NULL, 0, MNT_WAIT);
if (size == -1)
return (0);
free(mnt);
size *= sizeof(struct statfs);
mnt = xmalloc(size);
entries_left = getfsstat(mnt, size, MNT_WAIT);
if (entries_left == -1)
return (0);
return (1);
}
/*
* getfsstat() version of getmountent()
*/
mntent_t *
getmountent(void)
{
static mntent_t mntstruct;
static char remote_dev[MAXHOSTNAMELEN+MAXPATHLEN+1];
if (!entries_left)
return (NULL);
memset(&mntstruct, 0, sizeof(mntstruct));
if (mnt->f_flags & MNT_RDONLY)
mntstruct.me_flags |= MEFLAG_READONLY;
if (strcmp(mnt->f_fstypename, "nfs") == 0) {
strlcpy(remote_dev, mnt->f_mntfromname, sizeof(remote_dev));
mntstruct.me_path = remote_dev;
mntstruct.me_type = METYPE_NFS;
} else {
mntstruct.me_path = mnt->f_mntonname;
mntstruct.me_type = METYPE_OTHER;
}
mnt++;
entries_left--;
return (&mntstruct);
}
/*
* Done with iterations
*/
void
endmountent(void)
{
free(mnt);
mnt = NULL;
}
/*
* Make a new (copy) of a mntent structure.
*/
mntent_t *
newmountent(const mntent_t *old)
{
mntent_t *new;
new = xmalloc(sizeof *new);
new->me_path = xstrdup(old->me_path);
new->me_type = xstrdup(old->me_type);
new->me_flags = old->me_flags;
return (new);
}
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