1 /* $NetBSD: mtab_ultrix.c,v 1.1.1.3 2015/01/17 16:34:16 christos Exp $ */
2
3 /*
4 * Copyright (c) 1997-2014 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. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 *
38 * File: am-utils/conf/mtab/mtab_ultrix.c
39 *
40 */
41
42 /*
43 * Include before config.h to force single definition of gt_names[] here.
44 * This can be done unconditionally since this file is Ultrix specific
45 * anyway and <sys/fs_types.h> is properly protected from multiple inclusion.
46 * - Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
47 * Hack hack hack. Sigh. -Erez.
48 */
49 #include <sys/fs_types.h>
50
51 #ifdef HAVE_CONFIG_H
52 # include <config.h>
53 #endif /* HAVE_CONFIG_H */
54 #include <am_defs.h>
55 #include <amu.h>
56
57 #ifndef NMOUNT
58 # define NMOUNT 20
59 #endif /* NMOUNT */
60
61
62 static mntent_t *
mnt_dup(struct fs_data * mp)63 mnt_dup(struct fs_data *mp)
64 {
65 mntent_t *new_mp = ALLOC(mntent_t);
66
67 new_mp->mnt_fsname = xstrdup(mp->fd_devname);
68 new_mp->mnt_dir = xstrdup(mp->fd_path);
69 if (mp->fd_fstype >= GT_NUMTYPES)
70 mp->fd_fstype = GT_UNKWN;
71 else if (gt_names[mp->fd_fstype] == 0)
72 mp->fd_fstype = GT_UNKWN;
73 new_mp->mnt_type = xstrdup(gt_names[mp->fd_fstype]);
74 new_mp->mnt_opts = xstrdup("unset");
75
76 new_mp->mnt_freq = 0;
77 new_mp->mnt_passno = mp->fd_dev;
78
79 return new_mp;
80 }
81
82
83 /*
84 * Read a mount table into memory
85 */
86 mntlist *
read_mtab(char * fs,const char * mnttabname)87 read_mtab(char *fs, const char *mnttabname)
88 {
89 mntlist **mpp, *mhp;
90 /* From: Piete Brooks <pb@cl.cam.ac.uk> */
91 int loc = 0;
92 struct fs_data mountbuffer[NMOUNT], *fs_data;
93 int ret;
94
95 mpp = &mhp;
96 while ((ret = getmountent(&loc, mountbuffer, NMOUNT)) > 0) {
97 for (fs_data = mountbuffer; fs_data < &mountbuffer[ret]; fs_data++) {
98 /*
99 * Allocate a new slot
100 */
101 *mpp = ALLOC(struct mntlist);
102
103 /*
104 * Copy the data returned by getmntent
105 */
106 (*mpp)->mnt = mnt_dup(fs_data);
107
108 /*
109 * Move to next pointer
110 */
111 mpp = &(*mpp)->mnext;
112 }
113 }
114 if (ret < 0) {
115 plog(XLOG_ERROR, "getmountent: %m");
116 return 0;
117 }
118 *mpp = NULL;
119
120 return mhp;
121 }
122