xref: /original-bsd/usr.bin/pascal/libpc/SUCC.c (revision b3f911e0)
1 /*-
2  * Copyright (c) 1979 The Regents of the University of California.
3  * All rights reserved.
4  *
5  * %sccs.include.redist.c%
6  */
7 
8 #ifndef lint
9 static char sccsid[] = "@(#)SUCC.c	1.6 (Berkeley) 04/09/90";
10 #endif /* not lint */
11 
12 long
13 SUCC(value, lower, upper)
14 
15 	long	value;
16 	long	lower;
17 	long	upper;
18 {
19 	if (value == upper) {
20 		ERROR("Cannot take succ of last element of a range\n");
21 	}
22 	value++;
23 	if (value < lower || value > upper) {
24 		ERROR("Value of %D is out of range\n", value);
25 	}
26 	return	value;
27 }
28