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 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 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 102 usage(void) 103 { 104 (void)fprintf(stderr, "usage: %s [-k] [-d wordlist]\n", getprogname()); 105 exit(1); 106 } 107