From 539b221189ad1bd611fd4e3d72bda98f8881f632 Mon Sep 17 00:00:00 2001
From: Waqas Hussain <waqas20@gmail.com>
Date: Fri, 26 Nov 2010 05:23:37 +0500
Subject: util.stanza, util.xmppstream, core.xmlhandlers: Allow stanza.last_add
 to be nil, and set it nil by default. Saves a table allocation per-element.
 20% faster stanza building.

---
 util/xmppstream.lua | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'util/xmppstream.lua')

diff --git a/util/xmppstream.lua b/util/xmppstream.lua
index 0a6d554b..29095e41 100644
--- a/util/xmppstream.lua
+++ b/util/xmppstream.lua
@@ -117,7 +117,8 @@ function new_sax_handlers(session, stream_callbacks)
 				chardata = {};
 			end
 			-- Complete stanza
-			if #stanza.last_add == 0 then
+			local last_add = stanza.last_add;
+			if not last_add or #last_add == 0 then
 				if tagname ~= stream_error_tag then
 					cb_handlestanza(session, stanza);
 				else
-- 
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