--- src/usr.sbin/cron/lib/entry.c	2004/03/10 18:27:28	1.5
+++ src/usr.sbin/cron/lib/entry.c	2004/07/05 15:29:49	1.6
@@ -532,7 +532,7 @@ get_range(bitstr_t *bits, int low, int h
 		 * sent as a 0 since there is no offset either.
 		 */
 		ch = get_number(&num3, 0, PPC_NULL, ch, file);
-		if (ch == EOF)
+		if (ch == EOF || num3 == 0)
 			return EOF;
 	} else {
 		/* no step.  default==1.
@@ -582,6 +582,8 @@ get_number(int *numptr, int low, char **
 		ch = get_char(file);
 	}
 	*pc = '\0';
+	if (len == 0)
+		return EOF;
 
 	/* try to find the name in the name list
 	 */