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138 lines
3.8 KiB
C
138 lines
3.8 KiB
C
/*
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* Copyright (c) 1990 Jan-Simon Pendry
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* Copyright (c) 1990 Imperial College of Science, Technology & Medicine
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Jan-Simon Pendry at Imperial College, London.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)mtab_aix.c 8.1 (Berkeley) 6/6/93
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*
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* $Id$
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*
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*/
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#include "am.h"
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#ifdef READ_MTAB_AIX3_STYLE
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#include <sys/mntctl.h>
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#include <sys/vmount.h>
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static struct mntent *mnt_dup(mp)
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struct vmount *mp;
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{
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struct mntent *new_mp = ALLOC(mntent);
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char *ty;
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new_mp->mnt_fsname = strdup(vmt2dataptr(mp, VMT_OBJECT));
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new_mp->mnt_dir = strdup(vmt2dataptr(mp, VMT_STUB));
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new_mp->mnt_opts = strdup(vmt2dataptr(mp, VMT_ARGS));
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switch (mp->vmt_gfstype) {
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case MNT_JFS: ty = MTAB_TYPE_UFS; break;
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case MNT_NFS:
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ty = MTAB_TYPE_NFS;
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new_mp->mnt_fsname = str3cat(new_mp->mnt_fsname,
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vmt2dataptr(mp, VMT_HOSTNAME),
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":", new_mp->mnt_fsname);
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break;
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default: ty = "unknown"; break;
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}
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new_mp->mnt_type = strdup(ty);
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new_mp->mnt_passno = mp->vmt_vfsnumber;
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new_mp->mnt_freq = 0;
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return new_mp;
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}
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/*
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* Read a mount table into memory
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*/
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mntlist *read_mtab(fs)
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char *fs;
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{
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mntlist **mpp, *mhp;
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int i;
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char *mntinfo = 0, *cp;
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struct vmount *vp;
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int ret;
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/*
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* First figure out size of mount table
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* and allocate space for a copy...
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* Then get mount table for real.
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*/
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ret = mntctl(MCTL_QUERY, sizeof(i), &i);
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if (ret == 0) {
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mntinfo = xmalloc(i);
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ret = mntctl(MCTL_QUERY, i, mntinfo);
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}
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if (ret <= 0) {
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plog(XLOG_ERROR, "mntctl: %m");
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goto out;
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}
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#ifdef DEBUG
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/*dlog("mntctl returns %d structures", ret);*/
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#endif /* DEBUG */
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mpp = &mhp;
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for (i = 0, cp = mntinfo; i < ret; i++, cp += vp->vmt_length) {
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vp = (struct vmount *) cp;
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/*
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* Allocate a new slot
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*/
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*mpp = ALLOC(mntlist);
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/*
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* Copy the data returned by mntctl
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*/
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(*mpp)->mnt = mnt_dup(vp);
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/*
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* Move to next pointer
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*/
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mpp = &(*mpp)->mnext;
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}
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*mpp = 0;
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out:
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if (mntinfo)
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free(mntinfo);
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return mhp;
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}
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#endif /* READ_MTAB_AIX3_STYLE */
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