external/bsd/am-utils/dist/fsinfo/wr_bparam.c

   1 /*      $NetBSD$        */
   2
   3 /*
   4  * Copyright (c) 1997-2009 Erez Zadok
   5  * Copyright (c) 1989 Jan-Simon Pendry
   6  * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
   7  * Copyright (c) 1989 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/fsinfo/wr_bparam.c
  43  *
  44  */
  45
  46 #ifdef HAVE_CONFIG_H
  47 # include <config.h>
  48 #endif /* HAVE_CONFIG_H */
  49 #include <am_defs.h>
  50 #include <fsi_data.h>
  51 #include <fsinfo.h>
  52
  53
  54 /*
  55  * Write a host/path in NFS format
  56  */
  57 static int
  58 write_nfsname(FILE *ef, fsmount *fp, char *hn)
  59 {
  60   int errors = 0;
  61   char *h = strdup(fp->f_ref->m_dk->d_host->h_hostname);
  62
  63  domain_strip(h, hn);
  64   fprintf(ef, "%s:%s", h, fp->f_volname);
  65   XFREE(h);
  66   return errors;
  67 }
  68
  69
  70 /*
  71  * Write a bootparams entry for a host
  72  */
  73 static int
  74 write_boot_info(FILE *ef, host *hp)
  75 {
  76   int errors = 0;
  77
  78   fprintf(ef, "%s\troot=", hp->h_hostname);
  79   errors += write_nfsname(ef, hp->h_netroot, hp->h_hostname);
  80   fputs(" swap=", ef);
  81   errors += write_nfsname(ef, hp->h_netswap, hp->h_hostname);
  82   fputs("\n", ef);
  83
  84   return 0;
  85 }
  86
  87
  88 /*
  89  * Output a bootparams file
  90  */
  91 int
  92 write_bootparams(qelem *q)
  93 {
  94   int errors = 0;
  95
  96   if (bootparams_pref) {
  97     FILE *ef = pref_open(bootparams_pref, "bootparams", info_hdr, "bootparams");
  98     if (ef) {
  99       host *hp;
 100       ITER(hp, host, q)
 101       if (hp->h_netroot && hp->h_netswap)
 102           errors += write_boot_info(ef, hp);
 103       errors += pref_close(ef);
 104     } else {
 105       errors++;
 106     }
 107   }
 108
 109   return errors;
 110 }