xref: /netbsd-src/external/bsd/am-utils/dist/conf/mtab/mtab_ultrix.c (revision bbde328be4e75ea9ad02e9715ea13ca54b797ada)
1 /*	$NetBSD: mtab_ultrix.c,v 1.1.1.2 2009/03/20 20:26:50 christos Exp $	*/
2 
3 /*
4  * Copyright (c) 1997-2009 Erez Zadok
5  * Copyright (c) 1990 Jan-Simon Pendry
6  * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
7  * Copyright (c) 1990 The Regents of the University of California.
8  * All rights reserved.
9  *
10  * This code is derived from software contributed to Berkeley by
11  * Jan-Simon Pendry at Imperial College, London.
12  *
13  * Redistribution and use in source and binary forms, with or without
14  * modification, are permitted provided that the following conditions
15  * are met:
16  * 1. Redistributions of source code must retain the above copyright
17  *    notice, this list of conditions and the following disclaimer.
18  * 2. Redistributions in binary form must reproduce the above copyright
19  *    notice, this list of conditions and the following disclaimer in the
20  *    documentation and/or other materials provided with the distribution.
21  * 3. All advertising materials mentioning features or use of this software
22  *    must display the following acknowledgment:
23  *      This product includes software developed by the University of
24  *      California, Berkeley and its contributors.
25  * 4. Neither the name of the University nor the names of its contributors
26  *    may be used to endorse or promote products derived from this software
27  *    without specific prior written permission.
28  *
29  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
30  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
31  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
32  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
33  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
34  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
35  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
37  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
38  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39  * SUCH DAMAGE.
40  *
41  *
42  * File: am-utils/conf/mtab/mtab_ultrix.c
43  *
44  */
45 
46 /*
47  * Include before config.h to force single definition of gt_names[] here.
48  * This can be done unconditionally since this file is Ultrix specific
49  * anyway and <sys/fs_types.h> is properly protected from multiple inclusion.
50  * - Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
51  * Hack hack hack.  Sigh. -Erez.
52  */
53 #include <sys/fs_types.h>
54 
55 #ifdef HAVE_CONFIG_H
56 # include <config.h>
57 #endif /* HAVE_CONFIG_H */
58 #include <am_defs.h>
59 #include <amu.h>
60 
61 #ifndef NMOUNT
62 # define NMOUNT 20
63 #endif /* NMOUNT */
64 
65 
66 static mntent_t *
67 mnt_dup(struct fs_data *mp)
68 {
69   mntent_t *new_mp = ALLOC(mntent_t);
70 
71   new_mp->mnt_fsname = strdup(mp->fd_devname);
72   new_mp->mnt_dir = strdup(mp->fd_path);
73   if (mp->fd_fstype >= GT_NUMTYPES)
74     mp->fd_fstype = GT_UNKWN;
75   else if (gt_names[mp->fd_fstype] == 0)
76     mp->fd_fstype = GT_UNKWN;
77   new_mp->mnt_type = strdup(gt_names[mp->fd_fstype]);
78   new_mp->mnt_opts = strdup("unset");
79 
80   new_mp->mnt_freq = 0;
81   new_mp->mnt_passno = mp->fd_dev;
82 
83   return new_mp;
84 }
85 
86 
87 /*
88  * Read a mount table into memory
89  */
90 mntlist *
91 read_mtab(char *fs, const char *mnttabname)
92 {
93   mntlist **mpp, *mhp;
94   /* From: Piete Brooks <pb@cl.cam.ac.uk> */
95   int loc = 0;
96   struct fs_data mountbuffer[NMOUNT], *fs_data;
97   int ret;
98 
99   mpp = &mhp;
100   while ((ret = getmountent(&loc, mountbuffer, NMOUNT)) > 0) {
101     for (fs_data = mountbuffer; fs_data < &mountbuffer[ret]; fs_data++) {
102       /*
103        * Allocate a new slot
104        */
105       *mpp = ALLOC(struct mntlist);
106 
107       /*
108        * Copy the data returned by getmntent
109        */
110       (*mpp)->mnt = mnt_dup(fs_data);
111 
112       /*
113        * Move to next pointer
114        */
115       mpp = &(*mpp)->mnext;
116     }
117   }
118   if (ret < 0) {
119     plog(XLOG_ERROR, "getmountent: %m");
120     return 0;
121   }
122   *mpp = NULL;
123 
124   return mhp;
125 }
126