systemname.c revision 1.6 
1/*	$NetBSD: systemname.c,v 1.6 2003/08/07 09:37:54 agc 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
35static char sccsid[] = "@(#)systemname.c	8.1 (Berkeley) 5/31/93";
36#else
37__RCSID("$NetBSD: systemname.c,v 1.6 2003/08/07 09:37:54 agc Exp $");
38#endif
39#endif /* not lint */
40
41# include	"trek.h"
42
43/*
44**  RETRIEVE THE STARSYSTEM NAME
45**
46**	Very straightforward, this routine just gets the starsystem
47**	name.  It returns zero if none in the specified quadrant
48**	(which, by the way, is passed it).
49**
50**	This routine knows all about such things as distressed
51**	starsystems, etc.
52*/
53
54const char *systemname(q1)
55	const struct quad	*q1;
56{
57	const struct quad	*q;
58	int		i;
59
60	q = q1;
61
62	i = q->qsystemname;
63	if (i & Q_DISTRESSED)
64		i = Event[i & Q_SYSTEM].systemname;
65
66	i &= Q_SYSTEM;
67	if (i == 0)
68		return (0);
69	return (Systemname[i]);
70}
71