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 2004 Sun Microsystems, Inc. All rights reserved.
28 * Use is subject to license terms.
29 */
30
31 /*LINTLIBRARY*/
32
33 #include <stdio.h>
34 #include <ctype.h>
35 #include <string.h>
36 #include <limits.h>
37 #include <sys/types.h>
38 #include "libadm.h"
39
40 static char *choices[] = { "y", "n", NULL };
41 static char *vchoices[] = { "y", "n", "yes", "no", NULL };
42
43 #define TMPSIZ 7
44 #define REQMSG "Input is required."
45 #define ERRMSG "Please enter yes or no."
46 #define HLPMSG \
47 "To respond in the affirmative, enter y, yes, Y, or YES. \
48 To respond in the negative, enter n, no, N, or NO."
49
50 int
ckyorn_val(char * str)51 ckyorn_val(char *str)
52 {
53 int i;
54 char *pt,
55 temp[TMPSIZ+1];
56
57 for (pt = temp, i = 0; *str && i < TMPSIZ; i++) {
58 *pt++ = tolower((unsigned char)*str++);
59 }
60 *pt = '\0';
61 for (i = 0; vchoices[i]; ) {
62 if (strcmp(temp, vchoices[i++]) == 0)
63 return (0);
64 }
65 return (-1);
66 }
67
68 void
ckyorn_err(char * error)69 ckyorn_err(char *error)
70 {
71 puterror(stdout, ERRMSG, error);
72 }
73
74 void
ckyorn_hlp(char * help)75 ckyorn_hlp(char *help)
76 {
77 puthelp(stdout, HLPMSG, help);
78 }
79
80 int
ckyorn(char * yorn,char * defstr,char * error,char * help,char * prompt)81 ckyorn(char *yorn, char *defstr, char *error, char *help, char *prompt)
82 {
83 int n;
84 char input[MAX_INPUT];
85
86 if (!prompt)
87 prompt = "Yes or No";
88 start:
89 putprmpt(stderr, prompt, choices, defstr);
90 if (getinput(input))
91 return (1);
92
93 n = (int)strlen(input);
94 if (n == 0) {
95 if (defstr) {
96 (void) strcpy(yorn, defstr);
97 return (0);
98 }
99 puterror(stderr, REQMSG, error);
100 goto start;
101 }
102 if (strcmp(input, "?") == 0) {
103 puthelp(stderr, HLPMSG, help);
104 goto start;
105 }
106 if (ckquit && (strcmp(input, "q") == 0))
107 return (3);
108
109 if (ckyorn_val(input)) {
110 puterror(stderr, ERRMSG, error);
111 goto start;
112 }
113 (void) strcpy(yorn, input);
114 return (0);
115 }
116