NetBSD/usr.sbin/amd/config/mtab_bsd.c

121 lines
3.6 KiB
C

/*
* Copyright (c) 1990 Jan-Simon Pendry
* Copyright (c) 1990 Imperial College of Science, Technology & Medicine
* Copyright (c) 1990 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.
*
* %W% (Berkeley) %G%
*
* $Id: mtab_bsd.c,v 1.2 1994/04/14 03:21:32 cgd Exp $
*
*/
#include "am.h"
#ifdef READ_MTAB_BSD_STYLE
#include <sys/mount.h>
static struct mntent *mnt_dup(mp)
struct statfs *mp;
{
struct mntent *new_mp = ALLOC(mntent);
char *ty;
new_mp->mnt_fsname = strdup(mp->f_mntfromname);
new_mp->mnt_dir = strdup(mp->f_mntonname);
#ifndef __NetBSD__
switch (mp->f_type) {
case MOUNT_UFS: ty = MTAB_TYPE_UFS; break;
case MOUNT_NFS: ty = MTAB_TYPE_NFS; break;
case MOUNT_MFS: ty = MTAB_TYPE_MFS; break;
default: ty = "unknown"; break;
}
#else
if (strncmp(mp->f_fstypename, MOUNT_UFS, MFSNAMELEN) == 0)
ty = MTAB_TYPE_UFS;
else if (strncmp(mp->f_fstypename, MOUNT_NFS, MFSNAMELEN) == 0)
ty = MTAB_TYPE_NFS;
else if (strncmp(mp->f_fstypename, MOUNT_MFS, MFSNAMELEN) == 0)
ty = MTAB_TYPE_MFS;
else
ty = "unknown";
#endif
new_mp->mnt_type = strdup(ty);
new_mp->mnt_opts = strdup("unset");
new_mp->mnt_freq = 0;
new_mp->mnt_passno = 0;
return new_mp;
}
/*
* Read a mount table into memory
*/
mntlist *read_mtab(fs)
char *fs;
{
mntlist **mpp, *mhp;
struct statfs *mntbufp, *mntp;
int nloc = getmntinfo(&mntbufp, MNT_NOWAIT);
if (nloc == 0) {
plog(XLOG_ERROR, "Can't read mount table");
return 0;
}
mpp = &mhp;
for (mntp = mntbufp; mntp < mntbufp + nloc; mntp++) {
/*
* Allocate a new slot
*/
*mpp = ALLOC(mntlist);
/*
* Copy the data returned by getmntent
*/
(*mpp)->mnt = mnt_dup(mntp);
/*
* Move to next pointer
*/
mpp = &(*mpp)->mnext;
}
return mhp;
}
#endif /* READ_MTAB_BSD_STYLE */