xref: /netbsd-src/games/hangman/main.c (revision bdc22b2e01993381dcefeff2bc9b56ca75a4235c)
1 /*	$NetBSD: main.c,v 1.15 2012/06/19 05:45:00 dholland 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. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  */
31 
32 #include <sys/cdefs.h>
33 #ifndef lint
34 __COPYRIGHT("@(#) Copyright (c) 1983, 1993\
35  The Regents of the University of California.  All rights reserved.");
36 #endif /* not lint */
37 
38 #ifndef lint
39 #if 0
40 static char sccsid[] = "@(#)main.c	8.1 (Berkeley) 5/31/93";
41 #else
42 __RCSID("$NetBSD: main.c,v 1.15 2012/06/19 05:45:00 dholland Exp $");
43 #endif
44 #endif /* not lint */
45 
46 #include	<err.h>
47 #include	"hangman.h"
48 
49 /*
50  * This game written by Ken Arnold.
51  */
52 int
53 main(int argc, char *argv[])
54 {
55 	int ch;
56 
57 	/* Revoke setgid privileges */
58 	setgid(getgid());
59 
60 	while ((ch = getopt(argc, argv, "d:m:")) != -1) {
61 		switch (ch) {
62 		case 'd':
63 			Dict_name = optarg;
64 			break;
65 		case 'm':
66 			Minlen = atoi(optarg);
67 			if (Minlen < 2)
68 				errx(1, "minimum word length too short");
69 			break;
70 		case '?':
71 		default:
72 			(void)fprintf(stderr, "usage: hangman [-d wordlist] [-m minlen]\n");
73 			exit(1);
74 		}
75 	}
76 
77 	if (!initscr())
78 		errx(0, "couldn't initialize screen");
79 	signal(SIGINT, die);
80 	setup();
81 	for (;;) {
82 		Wordnum++;
83 		playgame();
84 		Average = (Average * (Wordnum - 1) + Errors) / Wordnum;
85 	}
86 	/* NOTREACHED */
87 }
88 /*
89  * die:
90  *	Die properly.
91  */
92 void
93 die(int dummy __unused)
94 {
95 	mvcur(0, COLS - 1, LINES - 1, 0);
96 	endwin();
97 	putchar('\n');
98 	exit(0);
99 }
100