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1 | /* |
2 | * Copyright (c) 1980 Regents of the University of California. | |
e9fb6bea KB |
3 | * All rights reserved. |
4 | * | |
c0567266 KB |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * 1. Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * 2. Redistributions in binary form must reproduce the above copyright | |
11 | * notice, this list of conditions and the following disclaimer in the | |
12 | * documentation and/or other materials provided with the distribution. | |
13 | * 3. All advertising materials mentioning features or use of this software | |
14 | * must display the following acknowledgement: | |
15 | * This product includes software developed by the University of | |
16 | * California, Berkeley and its contributors. | |
17 | * 4. Neither the name of the University nor the names of its contributors | |
18 | * may be used to endorse or promote products derived from this software | |
19 | * without specific prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
31 | * SUCH DAMAGE. | |
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32 | */ |
33 | ||
6736ce78 | 34 | #ifndef lint |
1c15e888 | 35 | static char sccsid[] = "@(#)getcodi.c 5.4 (Berkeley) 6/1/90"; |
e9fb6bea | 36 | #endif /* not lint */ |
6736ce78 KM |
37 | |
38 | # include "getpar.h" | |
39 | ||
40 | /* | |
41 | ** get course and distance | |
42 | ** | |
43 | ** The user is asked for a course and distance. This is used by | |
44 | ** move, impulse, and some of the computer functions. | |
45 | ** | |
46 | ** The return value is zero for success, one for an invalid input | |
47 | ** (meaning to drop the request). | |
48 | */ | |
49 | ||
50 | getcodi(co, di) | |
51 | int *co; | |
06d69904 | 52 | double *di; |
6736ce78 KM |
53 | { |
54 | ||
55 | *co = getintpar("Course"); | |
56 | ||
57 | /* course must be in the interval [0, 360] */ | |
58 | if (*co < 0 || *co > 360) | |
59 | return (1); | |
60 | *di = getfltpar("Distance"); | |
61 | ||
62 | /* distance must be in the interval [0, 15] */ | |
63 | if (*di <= 0.0 || *di > 15.0) | |
64 | return (1); | |
65 | ||
66 | /* good return */ | |
67 | return (0); | |
68 | } |