1 /* $OpenBSD: main.c,v 1.20 2021/10/23 11:22:49 mestre Exp $ */
2 /* $NetBSD: main.c,v 1.3 1995/03/23 08:32:50 cgd Exp $ */
3
4 /*
5 * Copyright (c) 1983, 1993
6 * The Regents of the University of California. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33 #include <curses.h>
34 #include <err.h>
35 #include <paths.h>
36 #include <signal.h>
37 #include <stdlib.h>
38 #include <unistd.h>
39
40 #include "hangman.h"
41
42 __dead void usage(void);
43
44 /*
45 * This game written by Ken Arnold.
46 */
47 int
main(int argc,char * argv[])48 main(int argc, char *argv[])
49 {
50 int ch;
51
52 while ((ch = getopt(argc, argv, "d:hk")) != -1) {
53 switch (ch) {
54 case 'd':
55 if (syms)
56 usage();
57 else
58 Dict_name = optarg;
59 break;
60 case 'k':
61 syms = 1;
62 Dict_name = _PATH_KSYMS;
63 break;
64 case 'h':
65 default:
66 usage();
67 }
68 }
69
70 initscr();
71 if (COLS < 50 || LINES < 14) {
72 endwin();
73 errx(1, "screen too small (must be at least 50x14)");
74 }
75 signal(SIGINT, die);
76 setup();
77
78 if (pledge("stdio tty", NULL) == -1)
79 err(1, "pledge");
80
81 for (;;) {
82 Wordnum++;
83 playgame();
84 Average = (Average * (Wordnum - 1) + Errors) / Wordnum;
85 }
86 }
87
88 /*
89 * die:
90 * Die properly.
91 */
92 void
die(int dummy)93 die(int dummy)
94 {
95 mvcur(0, COLS - 1, LINES - 1, 0);
96 endwin();
97 putchar('\n');
98 exit(0);
99 }
100
101 __dead void
usage(void)102 usage(void)
103 {
104 (void)fprintf(stderr, "usage: %s [-k] [-d wordlist]\n", getprogname());
105 exit(1);
106 }
107