Clean up:
[dragonfly.git] / games / hangman / getguess.c
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1/*
2 * Copyright (c) 1983, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
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32 *
33 * @(#)getguess.c 8.1 (Berkeley) 5/31/93
34 * $FreeBSD: src/games/hangman/getguess.c,v 1.6 1999/12/10 03:22:59 billf Exp $
9a362823 35 * $DragonFly: src/games/hangman/getguess.c,v 1.3 2005/02/13 18:57:30 cpressey Exp $
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36 */
37
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38#include <sys/ttydefaults.h>
39#include "hangman.h"
40
41/*
42 * getguess:
43 * Get another guess
44 */
45void
9a362823 46getguess(void)
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47{
48 int i;
49 int ch;
50 bool correct;
51
52 leaveok(stdscr, FALSE);
53 for (;;) {
9a362823 54 move(PROMPTY, PROMPTX + sizeof("Guess: "));
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55 refresh();
56 ch = readch();
57 if (isalpha(ch)) {
58 if (isupper(ch))
59 ch = tolower(ch);
60 if (Guessed[ch - 'a'])
61 mvprintw(MESGY, MESGX, "Already guessed '%c'", ch);
62 else
63 break;
64 }
65 else if (ch == CTRL('D'))
66 die(0);
67 else
68 mvprintw(MESGY, MESGX, "Not a valid guess: '%s'",
69 unctrl(ch));
70 }
71 leaveok(stdscr, TRUE);
72 move(MESGY, MESGX);
73 clrtoeol();
74
75 Guessed[ch - 'a'] = TRUE;
76 correct = FALSE;
9a362823 77 for (i = 0; Word[i] != '\0'; i++) {
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78 if (Word[i] == ch) {
79 Known[i] = ch;
80 correct = TRUE;
81 }
9a362823 82 }
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83 if (!correct)
84 Errors++;
85}
86
87/*
88 * readch;
89 * Read a character from the input
90 */
91char
9a362823 92readch(void)
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93{
94 int cnt;
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95 char ch;
96 int x, y;
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97
98 cnt = 0;
99 for (;;) {
9a362823 100 if (read(0, &ch, sizeof(ch)) <= 0) {
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101 if (++cnt > 100)
102 die(0);
9a362823 103 } else if (ch == CTRL('L')) {
984263bc 104 wrefresh(curscr);
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105 getyx(curscr, y, x);
106 mvcur(0, 0, y, x);
107 } else
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108 return ch;
109 }
110}