trek/systemname.c

   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
  39 static 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
  58 const 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 }