hangman/main.c

   1 /*      $NetBSD: main.c,v 1.15 2012/06/19 05:45:00 dholland 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 1.15 2012/06/19 05:45:00 dholland 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(int argc, char *argv[])
  54 {
  55         int ch;
  56
  57         /* Revoke setgid privileges */
  58         setgid(getgid());
  59
  60         while ((ch = getopt(argc, argv, "d:m:")) != -1) {
  61                 switch (ch) {
  62                 case 'd':
  63                         Dict_name = optarg;
  64                         break;
  65                 case 'm':
  66                         Minlen = atoi(optarg);
  67                         if (Minlen < 2)
  68                                 errx(1, "minimum word length too short");
  69                         break;
  70                 case '?':
  71                 default:
  72                         (void)fprintf(stderr, "usage: hangman [-d wordlist] [-m minlen]\n");
  73                         exit(1);
  74                 }
  75         }
  76
  77         if (!initscr())
  78                 errx(0, "couldn't initialize screen");
  79         signal(SIGINT, die);
  80         setup();
  81         for (;;) {
  82                 Wordnum++;
  83                 playgame();
  84                 Average = (Average * (Wordnum - 1) + Errors) / Wordnum;
  85         }
  86         /* NOTREACHED */
  87 }
  88 /*
  89  * die:
  90  *      Die properly.
  91  */
  92 void
  93 die(int dummy __unused)
  94 {
  95         mvcur(0, COLS - 1, LINES - 1, 0);
  96         endwin();
  97         putchar('\n');
  98         exit(0);
  99 }