xref: /dragonfly/games/trek/check_out.c (revision 8a7bdfea)
1 /*
2  * Copyright (c) 1980, 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. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *	This product includes software developed by the University of
16  *	California, Berkeley and its contributors.
17  * 4. Neither the name of the University nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  *
33  * @(#)check_out.c	8.1 (Berkeley) 5/31/93
34  * $FreeBSD: src/games/trek/check_out.c,v 1.4 1999/11/30 03:49:44 billf Exp $
35  * $DragonFly: src/games/trek/check_out.c,v 1.3 2006/09/07 21:19:44 pavalos Exp $
36  */
37 
38 # include	"trek.h"
39 
40 /*
41 **  CHECK IF A DEVICE IS OUT
42 **
43 **	The indicated device is checked to see if it is disabled.  If
44 **	it is, an attempt is made to use the starbase device.  If both
45 **	of these fails, it returns non-zero (device is REALLY out),
46 **	otherwise it returns zero (I can get to it somehow).
47 **
48 **	It prints appropriate messages too.
49 */
50 
51 bool
52 check_out(int device)
53 {
54 	int	dev;
55 
56 	dev = device;
57 
58 	/* check for device ok */
59 	if (!damaged(dev))
60 		return (0);
61 
62 	/* report it as being dead */
63 	out(dev);
64 
65 	/* but if we are docked, we can go ahead anyhow */
66 	if (Ship.cond != DOCKED)
67 		return (1);
68 	printf("  Using starbase %s\n", Device[dev].name);
69 	return (0);
70 }
71