games/hangman/main.c

   1 /*      $NetBSD: main.c,v 1.13 2008/07/20 01:03:21 lukem 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 1.13 2008/07/20 01:03:21 lukem 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 }