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 #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.1 */ 32 /*LINTLIBRARY*/ 33 34 #include <stdio.h> 35 #include <ctype.h> 36 #include <string.h> 37 #include <limits.h> 38 #include <sys/types.h> 39 #include "libadm.h" 40 41 static char *choices[] = { "y", "n", NULL }; 42 static char *vchoices[] = { "y", "n", "yes", "no", NULL }; 43 44 #define TMPSIZ 7 45 #define REQMSG "Input is required." 46 #define ERRMSG "Please enter yes or no." 47 #define HLPMSG \ 48 "To respond in the affirmative, enter y, yes, Y, or YES. \ 49 To respond in the negative, enter n, no, N, or NO." 50 51 int 52 ckyorn_val(char *str) 53 { 54 int i; 55 char *pt, 56 temp[TMPSIZ+1]; 57 58 for (pt = temp, i = 0; *str && i < TMPSIZ; i++) { 59 *pt++ = tolower((unsigned char)*str++); 60 } 61 *pt = '\0'; 62 for (i = 0; vchoices[i]; ) { 63 if (strcmp(temp, vchoices[i++]) == 0) 64 return (0); 65 } 66 return (-1); 67 } 68 69 void 70 ckyorn_err(char *error) 71 { 72 puterror(stdout, ERRMSG, error); 73 } 74 75 void 76 ckyorn_hlp(char *help) 77 { 78 puthelp(stdout, HLPMSG, help); 79 } 80 81 int 82 ckyorn(char *yorn, char *defstr, char *error, char *help, char *prompt) 83 { 84 int n; 85 char input[MAX_INPUT]; 86 87 if (!prompt) 88 prompt = "Yes or No"; 89 start: 90 putprmpt(stderr, prompt, choices, defstr); 91 if (getinput(input)) 92 return (1); 93 94 n = (int)strlen(input); 95 if (n == 0) { 96 if (defstr) { 97 (void) strcpy(yorn, defstr); 98 return (0); 99 } 100 puterror(stderr, REQMSG, error); 101 goto start; 102 } 103 if (strcmp(input, "?") == 0) { 104 puthelp(stderr, HLPMSG, help); 105 goto start; 106 } 107 if (ckquit && (strcmp(input, "q") == 0)) 108 return (3); 109 110 if (ckyorn_val(input)) { 111 puterror(stderr, ERRMSG, error); 112 goto start; 113 } 114 (void) strcpy(yorn, input); 115 return (0); 116 } 117