xref: /netbsd/games/hangman/main.c (revision 6550d01e)
1 /*	$NetBSD: main.c,v 1.14 2008/08/08 16:10:47 drochner 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 1.14 2008/08/08 16:10:47 drochner 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(argc, argv)
54 	int argc;
55 	char *argv[];
56 {
57 	int ch;
58 
59 	/* Revoke setgid privileges */
60 	setgid(getgid());
61 
62 	while ((ch = getopt(argc, argv, "d:m:")) != -1) {
63 		switch (ch) {
64 		case 'd':
65 			Dict_name = optarg;
66 			break;
67 		case 'm':
68 			Minlen = atoi(optarg);
69 			if (Minlen < 2)
70 				errx(1, "minimum word length too short");
71 			break;
72 		case '?':
73 		default:
74 			(void)fprintf(stderr, "usage: hangman [-d wordlist] [-m minlen]\n");
75 			exit(1);
76 		}
77 	}
78 
79 	if (!initscr())
80 		errx(0, "couldn't initialize screen");
81 	signal(SIGINT, die);
82 	setup();
83 	for (;;) {
84 		Wordnum++;
85 		playgame();
86 		Average = (Average * (Wordnum - 1) + Errors) / Wordnum;
87 	}
88 	/* NOTREACHED */
89 }
90 /*
91  * die:
92  *	Die properly.
93  */
94 void
95 die(dummy)
96 	int dummy __unused;
97 {
98 	mvcur(0, COLS - 1, LINES - 1, 0);
99 	endwin();
100 	putchar('\n');
101 	exit(0);
102 }
103