From 1f98e7b726402706f475867748c87d4213c99a25 Mon Sep 17 00:00:00 2001
From: Florian Zeitz <florob@babelmonkeys.de>
Date: Thu, 24 Mar 2011 18:57:07 +0100
Subject: [PATCH] Handle nil as argument to XMPPStanza's setters

---
 src/XMPPStanza.m | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

diff --git a/src/XMPPStanza.m b/src/XMPPStanza.m
index 34243e1..913120c 100644
--- a/src/XMPPStanza.m
+++ b/src/XMPPStanza.m
@@ -161,8 +161,10 @@
 	[old release];
 
 	[self removeAttributeForName: @"from"];
-	[self addAttributeWithName: @"from"
-		       stringValue: from_.fullJID];
+
+	if (from_ != nil)
+		[self addAttributeWithName: @"from"
+			       stringValue: from_.fullJID];
 }
 
 - (void)setTo: (XMPPJID*)to_
@@ -172,8 +174,10 @@
 	[old release];
 
 	[self removeAttributeForName: @"to"];
-	[self addAttributeWithName: @"to"
-		       stringValue: to_.fullJID];
+
+	if (to_ != nil)
+		[self addAttributeWithName: @"to"
+			       stringValue: to_.fullJID];
 }
 
 - (void)setType: (OFString*)type_
@@ -183,8 +187,10 @@
 	[old release];
 
 	[self removeAttributeForName: @"type"];
-	[self addAttributeWithName: @"type"
-		       stringValue: type];
+
+	if (type_ != nil)
+		[self addAttributeWithName: @"type"
+			       stringValue: type];
 }
 
 - (void)setID: (OFString*)ID_
@@ -194,7 +200,9 @@
 	[old release];
 
 	[self removeAttributeForName: @"id"];
-	[self addAttributeWithName: @"id"
-		       stringValue: ID];
+
+	if (ID_ != nil)
+		[self addAttributeWithName: @"id"
+			       stringValue: ID];
 }
 @end