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
34 #include <stdio.h>
35 #include <string.h>
36 #include <stdlib.h>
37 #include <sys/types.h>
38 #include "libadm.h"
39
40 void
puthelp(FILE * fp,char * defmesg,char * help)41 puthelp(FILE *fp, char *defmesg, char *help)
42 {
43 char *tmp;
44 size_t n;
45
46 tmp = NULL;
47 if (help == NULL) {
48 /* use default message since no help was provided */
49 help = defmesg ? defmesg : "No help available.";
50 } else if (defmesg != NULL) {
51 n = strlen(help);
52 if (help[0] == '~') {
53 /* prepend default message */
54 tmp = calloc(n+strlen(defmesg)+1, sizeof (char));
55 (void) strcpy(tmp, defmesg);
56 (void) strcat(tmp, "\n");
57 ++help;
58 (void) strcat(tmp, help);
59 help = tmp;
60 } else if (n && (help[n-1] == '~')) {
61 /* append default message */
62 tmp = calloc(n+strlen(defmesg)+2, sizeof (char));
63 (void) strcpy(tmp, help);
64 tmp[n-1] = '\0';
65 (void) strcat(tmp, "\n");
66 (void) strcat(tmp, defmesg);
67 help = tmp;
68 }
69 }
70 (void) puttext(fp, help, ckindent, ckwidth);
71 (void) fputc('\n', fp);
72 if (tmp)
73 free(tmp);
74 }
75