--- libaitsync/src/patch.c	2011/05/09 14:36:33	1.2
+++ libaitsync/src/patch.c	2012/07/22 22:09:47	1.3
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: patch.c,v 1.2 2011/05/09 14:36:33 misho Exp $
+* $Id: patch.c,v 1.3 2012/07/22 22:09:47 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -12,7 +12,7 @@ terms:
 All of the documentation and software included in the ELWIX and AITNET
 Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
 
-Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
+Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
 	by Michael Pounov <misho@elwix.org>.  All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
@@ -47,7 +47,15 @@ SUCH DAMAGE.
 #include "patch.h"
 
 
-int sync_buildPatch(void * __restrict buf, u_int buflen, struct tagPiece ** __restrict arr)
+/*
+ * sync_buildPatch() Build patch from buffer to pieces array
+ * @buf = Input buffer
+ * @buflen = Buffer length
+ * @arr = Array from pieces
+ * return: -1 error, != -1 num pieces
+*/
+int
+sync_buildPatch(void * __restrict buf, u_int buflen, struct tagPiece ** __restrict arr)
 {
 	void *pos;
 	sync_chunk_t *prefix, *suffix;