1 /* $NetBSD: getguess.c,v 1.7 1997/10/11 01:16:29 lukem Exp $ */ 2 3 /* 4 * Copyright (c) 1983, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 #if 0 39 static char sccsid[] = "@(#)getguess.c 8.1 (Berkeley) 5/31/93"; 40 #else 41 __RCSID("$NetBSD: getguess.c,v 1.7 1997/10/11 01:16:29 lukem Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #include <sys/ttydefaults.h> 46 #include "hangman.h" 47 48 /* 49 * getguess: 50 * Get another guess 51 */ 52 void 53 getguess() 54 { 55 int i; 56 int ch; 57 bool correct; 58 59 leaveok(stdscr, FALSE); 60 for (;;) { 61 move(PROMPTY, PROMPTX + sizeof "Guess: "); 62 refresh(); 63 ch = readch(); 64 if (isalpha(ch)) { 65 if (isupper(ch)) 66 ch = tolower(ch); 67 if (Guessed[ch - 'a']) 68 mvprintw(MESGY, MESGX, "Already guessed '%c'", 69 ch); 70 else 71 break; 72 } else 73 if (ch == CTRL('D')) 74 die(0); 75 else 76 mvprintw(MESGY, MESGX, 77 "Not a valid guess: '%s'", unctrl(ch)); 78 } 79 leaveok(stdscr, TRUE); 80 move(MESGY, MESGX); 81 clrtoeol(); 82 83 Guessed[ch - 'a'] = TRUE; 84 correct = FALSE; 85 for (i = 0; Word[i] != '\0'; i++) 86 if (Word[i] == ch) { 87 Known[i] = ch; 88 correct = TRUE; 89 } 90 if (!correct) 91 Errors++; 92 } 93 /* 94 * readch; 95 * Read a character from the input 96 */ 97 int 98 readch() 99 { 100 int cnt; 101 char ch; 102 103 cnt = 0; 104 for (;;) { 105 if (read(0, &ch, sizeof ch) <= 0) { 106 if (++cnt > 100) 107 die(0); 108 } else 109 if (ch == CTRL('L')) { 110 wrefresh(curscr); 111 } else 112 return ch; 113 } 114 } 115