| 1 | /* |
| 2 | * $Id: wr_bparam.c,v 5.2.1.2 90/12/21 16:46:49 jsp Alpha $ |
| 3 | * |
| 4 | * Copyright (c) 1989 Jan-Simon Pendry |
| 5 | * Copyright (c) 1989 Imperial College of Science, Technology & Medicine |
| 6 | * Copyright (c) 1989 The Regents of the University of California. |
| 7 | * All rights reserved. |
| 8 | * |
| 9 | * This code is derived from software contributed to Berkeley by |
| 10 | * Jan-Simon Pendry at Imperial College, London. |
| 11 | * |
| 12 | * %sccs.include.redist.c% |
| 13 | * |
| 14 | * @(#)wr_bparam.c 5.2 (Berkeley) %G% |
| 15 | */ |
| 16 | |
| 17 | #include "../fsinfo/fsinfo.h" |
| 18 | |
| 19 | /* |
| 20 | * Write a host/path in NFS format |
| 21 | */ |
| 22 | static int write_nfsname(ef, fp, hn) |
| 23 | FILE *ef; |
| 24 | fsmount *fp; |
| 25 | char *hn; |
| 26 | { |
| 27 | int errors = 0; |
| 28 | char *h = strdup(fp->f_ref->m_dk->d_host->h_hostname); |
| 29 | domain_strip(h, hn); |
| 30 | fprintf(ef, "%s:%s", h, fp->f_volname); |
| 31 | free(h); |
| 32 | return errors; |
| 33 | } |
| 34 | |
| 35 | /* |
| 36 | * Write a bootparams entry for a host |
| 37 | */ |
| 38 | static int write_boot_info(ef, hp) |
| 39 | FILE *ef; |
| 40 | host *hp; |
| 41 | { |
| 42 | int errors = 0; |
| 43 | fprintf(ef, "%s\troot=", hp->h_hostname); |
| 44 | errors += write_nfsname(ef, hp->h_netroot, hp->h_hostname); |
| 45 | fputs(" swap=", ef); |
| 46 | errors += write_nfsname(ef, hp->h_netswap, hp->h_hostname); |
| 47 | fputs("\n", ef); |
| 48 | |
| 49 | return 0; |
| 50 | } |
| 51 | |
| 52 | /* |
| 53 | * Output a bootparams file |
| 54 | */ |
| 55 | int write_bootparams(q) |
| 56 | qelem *q; |
| 57 | { |
| 58 | int errors = 0; |
| 59 | |
| 60 | if (bootparams_pref) { |
| 61 | FILE *ef = pref_open(bootparams_pref, "bootparams", info_hdr, "bootparams"); |
| 62 | if (ef) { |
| 63 | host *hp; |
| 64 | ITER(hp, host, q) |
| 65 | if (hp->h_netroot && hp->h_netswap) |
| 66 | errors += write_boot_info(ef, hp); |
| 67 | errors += pref_close(ef); |
| 68 | } else { |
| 69 | errors++; |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | return errors; |
| 74 | } |