xref: /original-bsd/games/trek/systemname.c (revision 279692fa)
1 /*
2  * Copyright (c) 1980 Regents of the University of California.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms are permitted
6  * provided that the above copyright notice and this paragraph are
7  * duplicated in all such forms and that any documentation,
8  * advertising materials, and other materials related to such
9  * distribution and use acknowledge that the software was developed
10  * by the University of California, Berkeley.  The name of the
11  * University may not be used to endorse or promote products derived
12  * from this software without specific prior written permission.
13  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
16  */
17 
18 #ifndef lint
19 static char sccsid[] = "@(#)systemname.c	5.3 (Berkeley) 06/18/88";
20 #endif /* not lint */
21 
22 # include	"trek.h"
23 
24 /*
25 **  RETRIEVE THE STARSYSTEM NAME
26 **
27 **	Very straightforward, this routine just gets the starsystem
28 **	name.  It returns zero if none in the specified quadrant
29 **	(which, by the way, is passed it).
30 **
31 **	This routine knows all about such things as distressed
32 **	starsystems, etc.
33 */
34 
35 char *systemname(q1)
36 struct quad	*q1;
37 {
38 	register struct quad	*q;
39 	register int		i;
40 
41 	q = q1;
42 
43 	i = q->qsystemname;
44 	if (i & Q_DISTRESSED)
45 		i = Event[i & Q_SYSTEM].systemname;
46 
47 	i &= Q_SYSTEM;
48 	if (i == 0)
49 		return (0);
50 	return (Systemname[i]);
51 }
52