xref: /illumos-gate/usr/src/lib/libadm/common/ckyorn.c (revision 1da57d55)
1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate  * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate  *
4*7c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate  * with the License.
8*7c478bd9Sstevel@tonic-gate  *
9*7c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate  * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate  *
14*7c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate  *
20*7c478bd9Sstevel@tonic-gate  * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate  */
22*7c478bd9Sstevel@tonic-gate /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
23*7c478bd9Sstevel@tonic-gate /*	  All Rights Reserved  	*/
24*7c478bd9Sstevel@tonic-gate 
25*7c478bd9Sstevel@tonic-gate 
26*7c478bd9Sstevel@tonic-gate /*
27*7c478bd9Sstevel@tonic-gate  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
28*7c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
29*7c478bd9Sstevel@tonic-gate  */
30*7c478bd9Sstevel@tonic-gate 
31*7c478bd9Sstevel@tonic-gate /*LINTLIBRARY*/
32*7c478bd9Sstevel@tonic-gate 
33*7c478bd9Sstevel@tonic-gate #include <stdio.h>
34*7c478bd9Sstevel@tonic-gate #include <ctype.h>
35*7c478bd9Sstevel@tonic-gate #include <string.h>
36*7c478bd9Sstevel@tonic-gate #include <limits.h>
37*7c478bd9Sstevel@tonic-gate #include <sys/types.h>
38*7c478bd9Sstevel@tonic-gate #include "libadm.h"
39*7c478bd9Sstevel@tonic-gate 
40*7c478bd9Sstevel@tonic-gate static char *choices[] = { "y", "n", NULL };
41*7c478bd9Sstevel@tonic-gate static char *vchoices[] = { "y", "n", "yes", "no", NULL };
42*7c478bd9Sstevel@tonic-gate 
43*7c478bd9Sstevel@tonic-gate #define	TMPSIZ	7
44*7c478bd9Sstevel@tonic-gate #define	REQMSG	"Input is required."
45*7c478bd9Sstevel@tonic-gate #define	ERRMSG	"Please enter yes or no."
46*7c478bd9Sstevel@tonic-gate #define	HLPMSG	\
47*7c478bd9Sstevel@tonic-gate 	"To respond in the affirmative, enter y, yes, Y, or YES. \
48*7c478bd9Sstevel@tonic-gate 	To respond in the negative, enter n, no, N, or NO."
49*7c478bd9Sstevel@tonic-gate 
50*7c478bd9Sstevel@tonic-gate int
ckyorn_val(char * str)51*7c478bd9Sstevel@tonic-gate ckyorn_val(char *str)
52*7c478bd9Sstevel@tonic-gate {
53*7c478bd9Sstevel@tonic-gate 	int	i;
54*7c478bd9Sstevel@tonic-gate 	char	*pt,
55*7c478bd9Sstevel@tonic-gate 		temp[TMPSIZ+1];
56*7c478bd9Sstevel@tonic-gate 
57*7c478bd9Sstevel@tonic-gate 	for (pt = temp, i = 0; *str && i < TMPSIZ; i++) {
58*7c478bd9Sstevel@tonic-gate 		*pt++ = tolower((unsigned char)*str++);
59*7c478bd9Sstevel@tonic-gate 	}
60*7c478bd9Sstevel@tonic-gate 	*pt = '\0';
61*7c478bd9Sstevel@tonic-gate 	for (i = 0; vchoices[i]; ) {
62*7c478bd9Sstevel@tonic-gate 		if (strcmp(temp, vchoices[i++]) == 0)
63*7c478bd9Sstevel@tonic-gate 			return (0);
64*7c478bd9Sstevel@tonic-gate 	}
65*7c478bd9Sstevel@tonic-gate 	return (-1);
66*7c478bd9Sstevel@tonic-gate }
67*7c478bd9Sstevel@tonic-gate 
68*7c478bd9Sstevel@tonic-gate void
ckyorn_err(char * error)69*7c478bd9Sstevel@tonic-gate ckyorn_err(char *error)
70*7c478bd9Sstevel@tonic-gate {
71*7c478bd9Sstevel@tonic-gate 	puterror(stdout, ERRMSG, error);
72*7c478bd9Sstevel@tonic-gate }
73*7c478bd9Sstevel@tonic-gate 
74*7c478bd9Sstevel@tonic-gate void
ckyorn_hlp(char * help)75*7c478bd9Sstevel@tonic-gate ckyorn_hlp(char *help)
76*7c478bd9Sstevel@tonic-gate {
77*7c478bd9Sstevel@tonic-gate 	puthelp(stdout, HLPMSG, help);
78*7c478bd9Sstevel@tonic-gate }
79*7c478bd9Sstevel@tonic-gate 
80*7c478bd9Sstevel@tonic-gate int
ckyorn(char * yorn,char * defstr,char * error,char * help,char * prompt)81*7c478bd9Sstevel@tonic-gate ckyorn(char *yorn, char *defstr, char *error, char *help, char *prompt)
82*7c478bd9Sstevel@tonic-gate {
83*7c478bd9Sstevel@tonic-gate 	int	n;
84*7c478bd9Sstevel@tonic-gate 	char	input[MAX_INPUT];
85*7c478bd9Sstevel@tonic-gate 
86*7c478bd9Sstevel@tonic-gate 	if (!prompt)
87*7c478bd9Sstevel@tonic-gate 		prompt = "Yes or No";
88*7c478bd9Sstevel@tonic-gate start:
89*7c478bd9Sstevel@tonic-gate 	putprmpt(stderr, prompt, choices, defstr);
90*7c478bd9Sstevel@tonic-gate 	if (getinput(input))
91*7c478bd9Sstevel@tonic-gate 		return (1);
92*7c478bd9Sstevel@tonic-gate 
93*7c478bd9Sstevel@tonic-gate 	n = (int)strlen(input);
94*7c478bd9Sstevel@tonic-gate 	if (n == 0) {
95*7c478bd9Sstevel@tonic-gate 		if (defstr) {
96*7c478bd9Sstevel@tonic-gate 			(void) strcpy(yorn, defstr);
97*7c478bd9Sstevel@tonic-gate 			return (0);
98*7c478bd9Sstevel@tonic-gate 		}
99*7c478bd9Sstevel@tonic-gate 		puterror(stderr, REQMSG, error);
100*7c478bd9Sstevel@tonic-gate 		goto start;
101*7c478bd9Sstevel@tonic-gate 	}
102*7c478bd9Sstevel@tonic-gate 	if (strcmp(input, "?") == 0) {
103*7c478bd9Sstevel@tonic-gate 		puthelp(stderr, HLPMSG, help);
104*7c478bd9Sstevel@tonic-gate 		goto start;
105*7c478bd9Sstevel@tonic-gate 	}
106*7c478bd9Sstevel@tonic-gate 	if (ckquit && (strcmp(input, "q") == 0))
107*7c478bd9Sstevel@tonic-gate 		return (3);
108*7c478bd9Sstevel@tonic-gate 
109*7c478bd9Sstevel@tonic-gate 	if (ckyorn_val(input)) {
110*7c478bd9Sstevel@tonic-gate 		puterror(stderr, ERRMSG, error);
111*7c478bd9Sstevel@tonic-gate 		goto start;
112*7c478bd9Sstevel@tonic-gate 	}
113*7c478bd9Sstevel@tonic-gate 	(void) strcpy(yorn, input);
114*7c478bd9Sstevel@tonic-gate 	return (0);
115*7c478bd9Sstevel@tonic-gate }
116