8 files changed, 9 insertions, 9 deletions
diff --git a/Swift/Controllers/Roster/RosterController.cpp b/Swift/Controllers/Roster/RosterController.cpp
index 706f50a..5b61abf 100644
--- a/Swift/Controllers/Roster/RosterController.cpp
+++ b/Swift/Controllers/Roster/RosterController.cpp
@@ -142,7 +142,7 @@ void RosterController::handleOnJIDRemoved(const JID& jid) {
 	roster_->removeContact(jid);
 }
 
-void RosterController::handleOnJIDUpdated(const JID& jid, const std::string& oldName, const std::vector<std::string> passedOldGroups) {
+void RosterController::handleOnJIDUpdated(const JID& jid, const std::string& oldName, const std::vector<std::string>& passedOldGroups) {
 	if (oldName != xmppRoster_->getNameForJID(jid)) {
 		roster_->applyOnItems(SetName(nickResolver_->jidToNick(jid), jid));
 	}
diff --git a/Swift/Controllers/Roster/RosterController.h b/Swift/Controllers/Roster/RosterController.h
index f224180..0a2b818 100644
--- a/Swift/Controllers/Roster/RosterController.h
+++ b/Swift/Controllers/Roster/RosterController.h
@@ -57,7 +57,7 @@ namespace Swift {
 			void handleOnJIDAdded(const JID &jid);
 			void handleRosterCleared();
 			void handleOnJIDRemoved(const JID &jid);
-			void handleOnJIDUpdated(const JID &jid, const std::string& oldName, const std::vector<std::string> oldGroups);
+			void handleOnJIDUpdated(const JID &jid, const std::string& oldName, const std::vector<std::string>& oldGroups);
 			void handleStartChatRequest(const JID& contact);
 			void handleChangeStatusRequest(StatusShow::Type show, const std::string &statusText);
 			void handleShowOfflineToggled(bool state);
diff --git a/Swiften/Elements/DiscoInfo.h b/Swiften/Elements/DiscoInfo.h
index cb6a446..ab09d05 100644
--- a/Swiften/Elements/DiscoInfo.h
+++ b/Swiften/Elements/DiscoInfo.h
@@ -87,7 +87,7 @@ namespace Swift {
 				extensions_.push_back(form);
 			}
 
-			const std::vector<Form::ref> getExtensions() const {
+			const std::vector<Form::ref>& getExtensions() const {
 				return extensions_;
 			}
 
diff --git a/Swiften/Elements/FormField.h b/Swiften/Elements/FormField.h
index 31e179d..e8fe3a0 100644
--- a/Swiften/Elements/FormField.h
+++ b/Swiften/Elements/FormField.h
@@ -48,7 +48,7 @@ namespace Swift {
 				return options;
 			}
 
-			const std::vector<std::string> getRawValues() const {
+			const std::vector<std::string>& getRawValues() const {
 				return rawValues;
 			}
 
diff --git a/Swiften/Elements/JinglePayload.h b/Swiften/Elements/JinglePayload.h
index be02543..5c766b8 100644
--- a/Swiften/Elements/JinglePayload.h
+++ b/Swiften/Elements/JinglePayload.h
@@ -102,7 +102,7 @@ namespace Swift {
 				this->contents.push_back(content);
 			}
 
-			const std::vector<JingleContentPayload::ref> getContents() const {
+			const std::vector<JingleContentPayload::ref>& getContents() const {
 				return contents;
 			}
 
diff --git a/Swiften/Elements/MUCUserPayload.h b/Swiften/Elements/MUCUserPayload.h
index b142a8d..0276964 100644
--- a/Swiften/Elements/MUCUserPayload.h
+++ b/Swiften/Elements/MUCUserPayload.h
@@ -52,9 +52,9 @@ namespace Swift {
 		
 			void addStatusCode(StatusCode code) {statusCodes_.push_back(code);}
 
-			const std::vector<Item> getItems() const {return items_;}
+			const std::vector<Item>& getItems() const {return items_;}
 
-			const std::vector<StatusCode> getStatusCodes() const {return statusCodes_;}
+			const std::vector<StatusCode>& getStatusCodes() const {return statusCodes_;}
 
 		private:
 			std::vector<Item> items_;
diff --git a/Swiften/Elements/SearchPayload.h b/Swiften/Elements/SearchPayload.h
index fe5b09a..202007b 100644
--- a/Swiften/Elements/SearchPayload.h
+++ b/Swiften/Elements/SearchPayload.h
@@ -74,7 +74,7 @@ namespace Swift {
 				this->email = v;
 			}
 
-			const std::vector<Item> getItems() const {
+			const std::vector<Item>& getItems() const {
 				return items;
 			}
 
diff --git a/Swiften/Jingle/JingleSession.h b/Swiften/Jingle/JingleSession.h
index fa7da7e..b8117bb 100644
--- a/Swiften/Jingle/JingleSession.h
+++ b/Swiften/Jingle/JingleSession.h
@@ -27,7 +27,7 @@ namespace Swift {
 				return initiator;
 			}
 
-			std::string getID() const {
+			const std::string& getID() const {
 				return id;
 			}