74 lines
2.4 KiB
C
74 lines
2.4 KiB
C
/* $NetBSD: getcodi.c,v 1.5 2003/08/07 09:37:51 agc Exp $ */
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/*
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* Copyright (c) 1980, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)getcodi.c 8.1 (Berkeley) 5/31/93";
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#else
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__RCSID("$NetBSD: getcodi.c,v 1.5 2003/08/07 09:37:51 agc Exp $");
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#endif
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#endif /* not lint */
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#include "getpar.h"
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#include "trek.h"
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/*
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** get course and distance
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**
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** The user is asked for a course and distance. This is used by
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** move, impulse, and some of the computer functions.
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**
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** The return value is zero for success, one for an invalid input
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** (meaning to drop the request).
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*/
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int
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getcodi(co, di)
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int *co;
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double *di;
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{
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*co = getintpar("Course");
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/* course must be in the interval [0, 360] */
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if (*co < 0 || *co > 360)
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return (1);
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*di = getfltpar("Distance");
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/* distance must be in the interval [0, 15] */
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if (*di <= 0.0 || *di > 15.0)
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return (1);
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/* good return */
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return (0);
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}
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