external/bsd/am-utils/dist/conf/mtab/mtab_ultrix.c

   1 /*      $NetBSD$        */
   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 }