systemname.c revision 1.5 
1/*	$NetBSD: systemname.c,v 1.5 1999/07/21 13:19:11 hubertf 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
39static char sccsid[] = "@(#)systemname.c	8.1 (Berkeley) 5/31/93";
40#else
41__RCSID("$NetBSD: systemname.c,v 1.5 1999/07/21 13:19:11 hubertf Exp $");
42#endif
43#endif /* not lint */
44
45# include	"trek.h"
46
47/*
48**  RETRIEVE THE STARSYSTEM NAME
49**
50**	Very straightforward, this routine just gets the starsystem
51**	name.  It returns zero if none in the specified quadrant
52**	(which, by the way, is passed it).
53**
54**	This routine knows all about such things as distressed
55**	starsystems, etc.
56*/
57
58const char *systemname(q1)
59	const struct quad	*q1;
60{
61	const struct quad	*q;
62	int		i;
63
64	q = q1;
65
66	i = q->qsystemname;
67	if (i & Q_DISTRESSED)
68		i = Event[i & Q_SYSTEM].systemname;
69
70	i &= Q_SYSTEM;
71	if (i == 0)
72		return (0);
73	return (Systemname[i]);
74}
75