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

136 lines
3.8 KiB
C

/*
* Copyright (c) 1990 Jan-Simon Pendry
* Copyright (c) 1990 Imperial College of Science, Technology & Medicine
* Copyright (c) 1990, 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.
*
* from: @(#)mtab_aix.c 8.1 (Berkeley) 6/6/93
* $Id: mtab_aix.c,v 1.3 1994/06/13 20:49:05 mycroft Exp $
*/
#include "am.h"
#ifdef READ_MTAB_AIX3_STYLE
#include <sys/mntctl.h>
#include <sys/vmount.h>
static struct mntent *mnt_dup(mp)
struct vmount *mp;
{
struct mntent *new_mp = ALLOC(mntent);
char *ty;
new_mp->mnt_fsname = strdup(vmt2dataptr(mp, VMT_OBJECT));
new_mp->mnt_dir = strdup(vmt2dataptr(mp, VMT_STUB));
new_mp->mnt_opts = strdup(vmt2dataptr(mp, VMT_ARGS));
switch (mp->vmt_gfstype) {
case MNT_JFS: ty = MTAB_TYPE_UFS; break;
case MNT_NFS:
ty = MTAB_TYPE_NFS;
new_mp->mnt_fsname = str3cat(new_mp->mnt_fsname,
vmt2dataptr(mp, VMT_HOSTNAME),
":", new_mp->mnt_fsname);
break;
default: ty = "unknown"; break;
}
new_mp->mnt_type = strdup(ty);
new_mp->mnt_passno = mp->vmt_vfsnumber;
new_mp->mnt_freq = 0;
return new_mp;
}
/*
* Read a mount table into memory
*/
mntlist *read_mtab(fs)
char *fs;
{
mntlist **mpp, *mhp;
int i;
char *mntinfo = 0, *cp;
struct vmount *vp;
int ret;
/*
* First figure out size of mount table
* and allocate space for a copy...
* Then get mount table for real.
*/
ret = mntctl(MCTL_QUERY, sizeof(i), &i);
if (ret == 0) {
mntinfo = xmalloc(i);
ret = mntctl(MCTL_QUERY, i, mntinfo);
}
if (ret <= 0) {
plog(XLOG_ERROR, "mntctl: %m");
goto out;
}
#ifdef DEBUG
/*dlog("mntctl returns %d structures", ret);*/
#endif /* DEBUG */
mpp = &mhp;
for (i = 0, cp = mntinfo; i < ret; i++, cp += vp->vmt_length) {
vp = (struct vmount *) cp;
/*
* Allocate a new slot
*/
*mpp = ALLOC(mntlist);
/*
* Copy the data returned by mntctl
*/
(*mpp)->mnt = mnt_dup(vp);
/*
* Move to next pointer
*/
mpp = &(*mpp)->mnext;
}
*mpp = 0;
out:
if (mntinfo)
free(mntinfo);
return mhp;
}
#endif /* READ_MTAB_AIX3_STYLE */