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
   35: static 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: 
   54: int
   55: getcodi(co, di)
   56: int     *co;
   57: double  *di;
   58: {
   59: 
   60:         *co = getintpar("Course");
   61: 
   62:         /* course must be in the interval [0, 360] */
   63:         if (*co < 0 || *co > 360)
   64:                 return (1);
   65:         *di = getfltpar("Distance");
   66: 
   67:         /* distance must be in the interval [0, 15] */
   68:         if (*di <= 0.0 || *di > 15.0)
   69:                 return (1);
   70: 
   71:         /* good return */
   72:         return (0);
   73: }