1 /* $OpenBSD: main.c,v 1.19 2016/02/28 06:24:06 tb 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 if (pledge("stdio rpath tty", NULL) == -1) 53 err(1, "pledge"); 54 55 while ((ch = getopt(argc, argv, "d:hk")) != -1) { 56 switch (ch) { 57 case 'd': 58 if (syms) 59 usage(); 60 else 61 Dict_name = optarg; 62 break; 63 case 'k': 64 syms = 1; 65 Dict_name = _PATH_KSYMS; 66 break; 67 case 'h': 68 default: 69 usage(); 70 } 71 } 72 73 initscr(); 74 if (COLS < 50 || LINES < 14) { 75 endwin(); 76 errx(1, "screen too small (must be at least 50x14)"); 77 } 78 signal(SIGINT, die); 79 setup(); 80 81 if (pledge("stdio tty", NULL) == -1) 82 err(1, "pledge"); 83 84 for (;;) { 85 Wordnum++; 86 playgame(); 87 Average = (Average * (Wordnum - 1) + Errors) / Wordnum; 88 } 89 } 90 91 /* 92 * die: 93 * Die properly. 94 */ 95 void 96 die(int dummy) 97 { 98 mvcur(0, COLS - 1, LINES - 1, 0); 99 endwin(); 100 putchar('\n'); 101 exit(0); 102 } 103 104 __dead void 105 usage(void) 106 { 107 (void)fprintf(stderr, "usage: %s [-k] [-d wordlist]\n", getprogname()); 108 exit(1); 109 } 110