xref: /illumos-gate/usr/src/lib/libadm/common/putprmpt.c (revision 09fbbb7d1b5a956a9b81304070dcff318a4a158e)
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 /*LINTLIBRARY*/
32 
33 #include <stdio.h>
34 #include <string.h>
35 #include <sys/types.h>
36 #include "libadm.h"
37 
38 void
39 putprmpt(FILE *fp, char *prompt, char *choices[], char *defstr)
40 {
41 	char buffer[1024] = ""; /* NB: code should prevent overflow... */
42 	int i, n;
43 
44 	(void) fputc('\n', fp);
45 	if (prompt == NULL) {
46 		(void) strlcpy(buffer, defstr ? defstr : "No default prompt.",
47 				sizeof (buffer));
48 	} else if (n = (int)strlen(prompt)) {
49 		if (defstr == NULL)
50 			defstr = "";
51 		if (prompt[0] == '~')
52 			(void) snprintf(buffer, sizeof (buffer), "%s%s",
53 				defstr, prompt + 1);
54 		else if (prompt[n-1] == '~')
55 			(void) snprintf(buffer, sizeof (buffer), "%.*s%s",
56 				n - 1, prompt, defstr);
57 		else
58 			(void) strlcpy(buffer, prompt, sizeof (buffer));
59 	} else
60 		(void) strlcpy(buffer, "", sizeof (buffer));
61 
62 	(void) strlcat(buffer, "\\ [", sizeof (buffer));
63 	for (i = 0; choices && choices[i]; ++i) {
64 		(void) strlcat(buffer, choices[i], sizeof (buffer));
65 		(void) strlcat(buffer, ",", sizeof (buffer));
66 	}
67 	(void) strlcat(buffer, ckquit ? "?,q] " : "?] ", sizeof (buffer));
68 
69 	(void) puttext(fp, buffer, 0, ckwidth);
70 }
71