hangman/main.c

   1 /*      $NetBSD: main.c,v 1.10 2002/01/20 00:42:51 jsm 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. All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement:
  17  *      This product includes software developed by the University of
  18  *      California, Berkeley and its contributors.
  19  * 4. Neither the name of the University nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 #include <sys/cdefs.h>
  37 #ifndef lint
  38 __COPYRIGHT("@(#) Copyright (c) 1983, 1993\n\
  39         The Regents of the University of California.  All rights reserved.\n");
  40 #endif /* not lint */
  41
  42 #ifndef lint
  43 #if 0
  44 static char sccsid[] = "@(#)main.c      8.1 (Berkeley) 5/31/93";
  45 #else
  46 __RCSID("$NetBSD: main.c,v 1.10 2002/01/20 00:42:51 jsm Exp $");
  47 #endif
  48 #endif /* not lint */
  49
  50 #include        <err.h>
  51 #include        "hangman.h"
  52
  53 /*
  54  * This game written by Ken Arnold.
  55  */
  56 int
  57 main(argc, argv)
  58         int argc;
  59         char *argv[];
  60 {
  61         int ch;
  62
  63         /* Revoke setgid privileges */
  64         setgid(getgid());
  65
  66         while ((ch = getopt(argc, argv, "d:m:")) != -1) {
  67                 switch (ch) {
  68                 case 'd':
  69                         Dict_name = optarg;
  70                         break;
  71                 case 'm':
  72                         Minlen = atoi(optarg);
  73                         if (Minlen < 2)
  74                                 errx(1, "minimum word length too short");
  75                         break;
  76                 case '?':
  77                 default:
  78                         (void)fprintf(stderr, "usage: hangman [-d wordlist] [-m minlen]\n");
  79                         exit(1);
  80                 }
  81         }
  82
  83         initscr();
  84         signal(SIGINT, die);
  85         setup();
  86         for (;;) {
  87                 Wordnum++;
  88                 playgame();
  89                 Average = (Average * (Wordnum - 1) + Errors) / Wordnum;
  90         }
  91         /* NOTREACHED */
  92 }
  93 /*
  94  * die:
  95  *      Die properly.
  96  */
  97 void
  98 die(dummy)
  99         int dummy __attribute__((__unused__));
 100 {
 101         mvcur(0, COLS - 1, LINES - 1, 0);
 102         endwin();
 103         putchar('\n');
 104         exit(0);
 105 }