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 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 69 ckyorn_err(char *error) 70 { 71 puterror(stdout, ERRMSG, error); 72 } 73 74 void 75 ckyorn_hlp(char *help) 76 { 77 puthelp(stdout, HLPMSG, help); 78 } 79 80 int 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