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check_out.c revision 1.4 
      1 /*	$NetBSD: check_out.c,v 1.4 1997/10/12 21:24:31 christos 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. 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 #if 0
     39 static char sccsid[] = "@(#)check_out.c	8.1 (Berkeley) 5/31/93";
     40 #else
     41 __RCSID("$NetBSD: check_out.c,v 1.4 1997/10/12 21:24:31 christos Exp $");
     42 #endif
     43 #endif /* not lint */
     44 
     45 #include <stdio.h>
     46 #include "trek.h"
     47 
     48 /*
     49 **  CHECK IF A DEVICE IS OUT
     50 **
     51 **	The indicated device is checked to see if it is disabled.  If
     52 **	it is, an attempt is made to use the starbase device.  If both
     53 **	of these fails, it returns non-zero (device is REALLY out),
     54 **	otherwise it returns zero (I can get to it somehow).
     55 **
     56 **	It prints appropriate messages too.
     57 */
     58 
     59 int
     60 check_out(device)
     61 int	device;
     62 {
     63 	int	dev;
     64 
     65 	dev = device;
     66 
     67 	/* check for device ok */
     68 	if (!damaged(dev))
     69 		return (0);
     70 
     71 	/* report it as being dead */
     72 	out(dev);
     73 
     74 	/* but if we are docked, we can go ahead anyhow */
     75 	if (Ship.cond != DOCKED)
     76 		return (1);
     77 	printf("  Using starbase %s\n", Device[dev].name);
     78 	return (0);
     79 }
     80