put in better error messages

[unix-history] / usr / src / usr.bin / pascal / libpc / SUCC.c

/* Copyright (c) 1979 Regents of the University of California */

static char sccsid[] = "@(#)SUCC.c 1.3 %G%";

#include "h01errs.h"

long
SUCC(value, lower, upper)

       long    value;
       long    lower;
       long    upper;
{
       if (value == upper) {
               ERROR("Cannot take succ of last element of a range\n");
               return;
       }
       value++;
       if (value < lower || value > upper) {
               ERROR("Value of %D is out of range\n", value);
               return;
       }
       return  value;
}