wr_bparam.c revision 302408
1/* 2 * Copyright (c) 1997-2006 Erez Zadok 3 * Copyright (c) 1989 Jan-Simon Pendry 4 * Copyright (c) 1989 Imperial College of Science, Technology & Medicine 5 * Copyright (c) 1989 The Regents of the University of California. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * Jan-Simon Pendry at Imperial College, London. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgment: 21 * This product includes software developed by the University of 22 * California, Berkeley and its contributors. 23 * 4. Neither the name of the University nor the names of its contributors 24 * may be used to endorse or promote products derived from this software 25 * without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 * SUCH DAMAGE. 38 * 39 * 40 * File: am-utils/fsinfo/wr_bparam.c 41 * 42 */ 43 44#ifdef HAVE_CONFIG_H 45# include <config.h> 46#endif /* HAVE_CONFIG_H */ 47#include <am_defs.h> 48#include <fsi_data.h> 49#include <fsinfo.h> 50 51 52/* 53 * Write a host/path in NFS format 54 */ 55static int 56write_nfsname(FILE *ef, fsmount *fp, char *hn) 57{ 58 int errors = 0; 59 char *h = strdup(fp->f_ref->m_dk->d_host->h_hostname); 60 61 domain_strip(h, hn); 62 fprintf(ef, "%s:%s", h, fp->f_volname); 63 XFREE(h); 64 return errors; 65} 66 67 68/* 69 * Write a bootparams entry for a host 70 */ 71static int 72write_boot_info(FILE *ef, host *hp) 73{ 74 int errors = 0; 75 76 fprintf(ef, "%s\troot=", hp->h_hostname); 77 errors += write_nfsname(ef, hp->h_netroot, hp->h_hostname); 78 fputs(" swap=", ef); 79 errors += write_nfsname(ef, hp->h_netswap, hp->h_hostname); 80 fputs("\n", ef); 81 82 return 0; 83} 84 85 86/* 87 * Output a bootparams file 88 */ 89int 90write_bootparams(qelem *q) 91{ 92 int errors = 0; 93 94 if (bootparams_pref) { 95 FILE *ef = pref_open(bootparams_pref, "bootparams", info_hdr, "bootparams"); 96 if (ef) { 97 host *hp; 98 ITER(hp, host, q) 99 if (hp->h_netroot && hp->h_netswap) 100 errors += write_boot_info(ef, hp); 101 errors += pref_close(ef); 102 } else { 103 errors++; 104 } 105 } 106 107 return errors; 108} 109