147488Spendry /*
247488Spendry  * Copyright (c) 1989 Jan-Simon Pendry
347488Spendry  * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
447488Spendry  * Copyright (c) 1989 The Regents of the University of California.
547488Spendry  * All rights reserved.
647488Spendry  *
747488Spendry  * This code is derived from software contributed to Berkeley by
847488Spendry  * Jan-Simon Pendry at Imperial College, London.
947488Spendry  *
1047530Spendry  * %sccs.include.redist.c%
1147488Spendry  *
12*52455Spendry  *	@(#)wr_bparam.c	5.4 (Berkeley) 02/09/92
1349686Spendry  *
14*52455Spendry  * $Id: wr_bparam.c,v 5.2.2.1 1992/02/09 15:09:46 jsp beta $
1549686Spendry  *
1647488Spendry  */
1747488Spendry 
1847488Spendry #include "../fsinfo/fsinfo.h"
1947488Spendry 
2047488Spendry /*
2147488Spendry  * Write a host/path in NFS format
2247488Spendry  */
2347488Spendry static int write_nfsname(ef, fp, hn)
2447488Spendry FILE *ef;
2547488Spendry fsmount *fp;
2647488Spendry char *hn;
2747488Spendry {
2847488Spendry 	int errors = 0;
2947488Spendry 	char *h = strdup(fp->f_ref->m_dk->d_host->h_hostname);
3047488Spendry 	domain_strip(h, hn);
3147488Spendry 	fprintf(ef, "%s:%s", h, fp->f_volname);
3247488Spendry 	free(h);
3347488Spendry 	return errors;
3447488Spendry }
3547488Spendry 
3647488Spendry /*
3747488Spendry  * Write a bootparams entry for a host
3847488Spendry  */
3947488Spendry static int write_boot_info(ef, hp)
4047488Spendry FILE *ef;
4147488Spendry host *hp;
4247488Spendry {
4347488Spendry 	int errors = 0;
4447488Spendry 	fprintf(ef, "%s\troot=", hp->h_hostname);
4547488Spendry 	errors += write_nfsname(ef, hp->h_netroot, hp->h_hostname);
4647488Spendry 	fputs(" swap=", ef);
4747488Spendry 	errors += write_nfsname(ef, hp->h_netswap, hp->h_hostname);
4847488Spendry 	fputs("\n", ef);
4947488Spendry 
5047488Spendry 	return 0;
5147488Spendry }
5247488Spendry 
5347488Spendry /*
5447488Spendry  * Output a bootparams file
5547488Spendry  */
5647488Spendry int write_bootparams(q)
5747488Spendry qelem *q;
5847488Spendry {
5947488Spendry 	int errors = 0;
6047488Spendry 
6147488Spendry 	if (bootparams_pref) {
6247488Spendry 		FILE *ef = pref_open(bootparams_pref, "bootparams", info_hdr, "bootparams");
6347488Spendry 		if (ef) {
6447488Spendry 			host *hp;
6547488Spendry 			ITER(hp, host, q)
6647488Spendry 				if (hp->h_netroot && hp->h_netswap)
6747488Spendry 					errors += write_boot_info(ef, hp);
6847488Spendry 			errors += pref_close(ef);
6947488Spendry 		} else {
7047488Spendry 			errors++;
7147488Spendry 		}
7247488Spendry 	}
7347488Spendry 
7447488Spendry 	return errors;
7547488Spendry }
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