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 * 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 * 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