--- libaitwww/inc/aitwww.h	2012/08/06 11:08:08	1.4.2.1
+++ libaitwww/inc/aitwww.h	2012/08/06 11:26:23	1.4.2.2
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: aitwww.h,v 1.4.2.1 2012/08/06 11:08:08 misho Exp $
+* $Id: aitwww.h,v 1.4.2.2 2012/08/06 11:26:23 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -253,9 +253,10 @@ inline void www_unescape(char * __restrict str);
  * www_undot() - Undotted and clean WWW query filename
  *
  * @fname = query filename
- * return: none
+ * @fnlen = filename length
+ * return: -1 error, 0 not valid filename or >0 validated filename length
  */
-void www_undot(const char * __restrict fname);
+int www_undot(const char * __restrict fname, int fnlen);
 
 
 /*