1/* $NetBSD: getcodi.c,v 1.5 2003/08/07 09:37:51 agc 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 35static char sccsid[] = "@(#)getcodi.c 8.1 (Berkeley) 5/31/93"; 36#else 37__RCSID("$NetBSD: getcodi.c,v 1.5 2003/08/07 09:37:51 agc Exp $"); 38#endif 39#endif /* not lint */ 40 41#include "getpar.h" 42#include "trek.h" 43 44/* 45** get course and distance 46** 47** The user is asked for a course and distance. This is used by 48** move, impulse, and some of the computer functions. 49** 50** The return value is zero for success, one for an invalid input 51** (meaning to drop the request). 52*/ 53 54int 55getcodi(int *co, double *di) 56{ 57 58 *co = getintpar("Course"); 59 60 /* course must be in the interval [0, 360] */ 61 if (*co < 0 || *co > 360) 62 return (1); 63 *di = getfltpar("Distance"); 64 65 /* distance must be in the interval [0, 15] */ 66 if (*di <= 0.0 || *di > 15.0) 67 return (1); 68 69 /* good return */ 70 return (0); 71} 72