1 /* $NetBSD: systemname.c,v 1.9 2009/05/25 00:05:56 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[] = "@(#)systemname.c 8.1 (Berkeley) 5/31/93";
36 #else
37 __RCSID("$NetBSD: systemname.c,v 1.9 2009/05/25 00:05:56 dholland Exp $");
38 #endif
39 #endif /* not lint */
40
41 #include <stddef.h>
42 #include "trek.h"
43
44 /*
45 ** RETRIEVE THE STARSYSTEM NAME
46 **
47 ** Very straightforward, this routine just gets the starsystem
48 ** name. It returns zero if none in the specified quadrant
49 ** (which, by the way, is passed it).
50 **
51 ** This routine knows all about such things as distressed
52 ** starsystems, etc.
53 */
54
55 const char *
systemname(const struct quad * q1)56 systemname(const struct quad *q1)
57 {
58 const struct quad *q;
59 int i;
60
61 q = q1;
62
63 i = q->qsystemname;
64 if (i & Q_DISTRESSED)
65 i = Event[i & Q_SYSTEM].systemname;
66
67 i &= Q_SYSTEM;
68 if (i == 0)
69 return NULL;
70 return (Systemname[i]);
71 }
72