$NetBSD: patch-aa,v 1.1 2004/04/29 17:20:44 taca Exp $

--- MMagic.pm.orig	2004-03-15 17:23:04.000000000 +0900
+++ MMagic.pm
@@ -985,6 +985,8 @@ sub magicMatchStr {
     else {
 	#numeric
 
+	return if (length($str) < 4);
+
 	# read up to 4 bytes
 	$data = substr($str, 0, 4);