games/mille/types.c

   1 /*-
   2  * Copyright (c) 1982, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the University nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29  * @(#)types.c  8.1 (Berkeley) 5/31/93
  30  * $FreeBSD: src/games/mille/types.c,v 1.5 1999/12/12 06:17:25 billf Exp $
  31  */
  32
  33 #include "mille.h"
  34
  35 /*
  36  * @(#)types.c  1.1 (Berkeley) 4/1/82
  37  */
  38
  39 int
  40 isrepair(CARD card)
  41 {
  42         return card == C_GAS || card == C_SPARE ||
  43             card == C_REPAIRS || card == C_INIT;
  44 }
  45
  46 CARD
  47 safety(CARD card)
  48 {
  49         switch (card) {
  50           case C_EMPTY:
  51           case C_GAS:
  52           case C_GAS_SAFE:
  53                 return C_GAS_SAFE;
  54           case C_FLAT:
  55           case C_SPARE:
  56           case C_SPARE_SAFE:
  57                 return C_SPARE_SAFE;
  58           case C_CRASH:
  59           case C_REPAIRS:
  60           case C_DRIVE_SAFE:
  61                 return C_DRIVE_SAFE;
  62           case C_GO:
  63           case C_STOP:
  64           case C_RIGHT_WAY:
  65           case C_LIMIT:
  66           case C_END_LIMIT:
  67                 return C_RIGHT_WAY;
  68         }
  69         /* NOTREACHED */
  70         exit(EXIT_FAILURE);
  71 }