xref: /illumos-gate/usr/src/lib/libadm/common/putprmpt.c (revision 51396a8ee7fb52fe0ab33bfe7b4f495ad431904a)
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 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
23 /*	  All Rights Reserved  	*/
24 
25 
26 /*
27  * Copyright (c) 1997-2001 by Sun Microsystems, Inc.
28  * All rights reserved.
29  */
30 
31 #pragma ident	"%Z%%M%	%I%	%E% SMI"
32 /*LINTLIBRARY*/
33 
34 #include <stdio.h>
35 #include <string.h>
36 #include <sys/types.h>
37 #include "libadm.h"
38 
39 void
40 putprmpt(FILE *fp, char *prompt, char *choices[], char *defstr)
41 {
42 	char buffer[1024] = ""; /* NB: code should prevent overflow... */
43 	int i, n;
44 
45 	(void) fputc('\n', fp);
46 	if (prompt == NULL) {
47 		(void) strlcpy(buffer, defstr ? defstr : "No default prompt.",
48 				sizeof (buffer));
49 	} else if (n = (int)strlen(prompt)) {
50 		if (defstr == NULL)
51 			defstr = "";
52 		if (prompt[0] == '~')
53 			(void) snprintf(buffer, sizeof (buffer), "%s%s",
54 				defstr, prompt + 1);
55 		else if (prompt[n-1] == '~')
56 			(void) snprintf(buffer, sizeof (buffer), "%.*s%s",
57 				n - 1, prompt, defstr);
58 		else
59 			(void) strlcpy(buffer, prompt, sizeof (buffer));
60 	} else
61 		(void) strlcpy(buffer, "", sizeof (buffer));
62 
63 	(void) strlcat(buffer, "\\ [", sizeof (buffer));
64 	for (i = 0; choices && choices[i]; ++i) {
65 		(void) strlcat(buffer, choices[i], sizeof (buffer));
66 		(void) strlcat(buffer, ",", sizeof (buffer));
67 	}
68 	(void) strlcat(buffer, ckquit ? "?,q] " : "?] ", sizeof (buffer));
69 
70 	(void) puttext(fp, buffer, 0, ckwidth);
71 }
72