trek/check_out.c

   1 /*      $NetBSD: check_out.c,v 1.6 2009/05/24 19:18:44 dholland Exp $   */
   2
   3 /*
   4  * Copyright (c) 1980, 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 #if 0
  35 static char sccsid[] = "@(#)check_out.c 8.1 (Berkeley) 5/31/93";
  36 #else
  37 __RCSID("$NetBSD: check_out.c,v 1.6 2009/05/24 19:18:44 dholland Exp $");
  38 #endif
  39 #endif /* not lint */
  40
  41 #include <stdio.h>
  42 #include "trek.h"
  43
  44 /*
  45 **  CHECK IF A DEVICE IS OUT
  46 **
  47 **      The indicated device is checked to see if it is disabled.  If
  48 **      it is, an attempt is made to use the starbase device.  If both
  49 **      of these fails, it returns non-zero (device is REALLY out),
  50 **      otherwise it returns zero (I can get to it somehow).
  51 **
  52 **      It prints appropriate messages too.
  53 */
  54
  55 int
  56 check_out(int device)
  57 {
  58         int     dev;
  59
  60         dev = device;
  61
  62         /* check for device ok */
  63         if (!damaged(dev))
  64                 return (0);
  65
  66         /* report it as being dead */
  67         out(dev);
  68
  69         /* but if we are docked, we can go ahead anyhow */
  70         if (Ship.cond != DOCKED)
  71                 return (1);
  72         printf("  Using starbase %s\n", Device[dev].name);
  73         return (0);
  74 }