NetBSD/games/trek/systemname.c

72 lines
2.4 KiB
C

/* $NetBSD: systemname.c,v 1.9 2009/05/25 00:05:56 dholland Exp $ */
/*
* Copyright (c) 1980, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#ifndef lint
#if 0
static char sccsid[] = "@(#)systemname.c 8.1 (Berkeley) 5/31/93";
#else
__RCSID("$NetBSD: systemname.c,v 1.9 2009/05/25 00:05:56 dholland Exp $");
#endif
#endif /* not lint */
#include <stddef.h>
#include "trek.h"
/*
** RETRIEVE THE STARSYSTEM NAME
**
** Very straightforward, this routine just gets the starsystem
** name. It returns zero if none in the specified quadrant
** (which, by the way, is passed it).
**
** This routine knows all about such things as distressed
** starsystems, etc.
*/
const char *
systemname(const struct quad *q1)
{
const struct quad *q;
int i;
q = q1;
i = q->qsystemname;
if (i & Q_DISTRESSED)
i = Event[i & Q_SYSTEM].systemname;
i &= Q_SYSTEM;
if (i == 0)
return NULL;
return (Systemname[i]);
}