1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22
23/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
24/*	  All Rights Reserved  	*/
25
26
27/*
28 * Copyright (c) 1997, by Sun Microsystems, Inc.
29 * All rights reserved.
30 */
31
32/*LINTLIBRARY*/
33#pragma	ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.1 */
34
35#include <stdio.h>
36#include <string.h>
37#include <stdlib.h>
38#include <sys/types.h>
39#include "libadm.h"
40
41void
42puthelp(FILE *fp, char *defmesg, char *help)
43{
44	char	*tmp;
45	size_t	n;
46
47	tmp = NULL;
48	if (help == NULL) {
49		/* use default message since no help was provided */
50		help = defmesg ? defmesg : "No help available.";
51	} else if (defmesg != NULL) {
52		n = strlen(help);
53		if (help[0] == '~') {
54			/* prepend default message */
55			tmp = calloc(n+strlen(defmesg)+1, sizeof (char));
56			(void) strcpy(tmp, defmesg);
57			(void) strcat(tmp, "\n");
58			++help;
59			(void) strcat(tmp, help);
60			help = tmp;
61		} else if (n && (help[n-1] == '~')) {
62			/* append default message */
63			tmp = calloc(n+strlen(defmesg)+2, sizeof (char));
64			(void) strcpy(tmp, help);
65			tmp[n-1] = '\0';
66			(void) strcat(tmp, "\n");
67			(void) strcat(tmp, defmesg);
68			help = tmp;
69		}
70	}
71	(void) puttext(fp, help, ckindent, ckwidth);
72	(void) fputc('\n', fp);
73	if (tmp)
74		free(tmp);
75}
76