add release methods for friends and friend list, so that the core can properly...

add release methods for friends and friend list, so that the core can properly shutdown without leaving references.

coreapi/friend.c

@@ -265,12 +265,16 @@ void linphone_friend_close_subscriptions(LinphoneFriend *lf){
 	lf->insubs = ms_list_free_with_data(lf->insubs, (MSIterateFunc)sal_op_release);
 }
 
-static void _linphone_friend_destroy(LinphoneFriend *lf){
+static void _linphone_friend_release_ops(LinphoneFriend *lf){
 	lf->insubs = ms_list_free_with_data(lf->insubs, (MSIterateFunc) sal_op_release);
 	if (lf->outsub){
 		sal_op_release(lf->outsub);
 		lf->outsub=NULL;
 	}
+}
+
+static void _linphone_friend_destroy(LinphoneFriend *lf){
+	_linphone_friend_release_ops(lf);
 	if (lf->presence != NULL) linphone_presence_model_unref(lf->presence);
 	if (lf->uri!=NULL) linphone_address_destroy(lf->uri);
 	if (lf->info!=NULL) buddy_info_free(lf->info);
@@ -712,6 +716,13 @@ void linphone_friend_destroy(LinphoneFriend *lf) {
 	linphone_friend_unref(lf);
 }
 
+/*drops all references to the core and unref*/
+void _linphone_friend_release(LinphoneFriend *lf){
+	lf->lc = NULL;
+	_linphone_friend_release_ops(lf);
+	linphone_friend_unref(lf);
+}
+
 BELLE_SIP_DECLARE_NO_IMPLEMENTED_INTERFACES(LinphoneFriend);
 
 BELLE_SIP_INSTANCIATE_VPTR(LinphoneFriend, belle_sip_object_t,

coreapi/friendlist.c

@@ -250,6 +250,14 @@ LinphoneFriendList * linphone_friend_list_ref(LinphoneFriendList *list) {
 	return list;
 }
 
+void _linphone_friend_list_release(LinphoneFriendList *list){
+	/*drops all references to core and unref*/
+	list->lc = NULL;
+	if (list->event != NULL) linphone_event_unref(list->event);
+	list->friends = ms_list_free_with_data(list->friends, (void (*)(void *))_linphone_friend_release);
+	belle_sip_object_unref(list);
+}
+
 void linphone_friend_list_unref(LinphoneFriendList *list) {
 	belle_sip_object_unref(list);
 }

coreapi/linphonecore.c

@@ -6352,10 +6352,10 @@ static void codecs_config_uninit(LinphoneCore *lc)
 void ui_config_uninit(LinphoneCore* lc)
 {
 	ms_message("Destroying friends.");
-	linphone_friend_list_unref(lc->friendlist);
+	_linphone_friend_list_release(lc->friendlist);
 	lc->friendlist = NULL;
 	if (lc->subscribers){
-		lc->subscribers = ms_list_free_with_data(lc->subscribers, (void (*)(void *))linphone_friend_unref);
+		lc->subscribers = ms_list_free_with_data(lc->subscribers, (void (*)(void *))_linphone_friend_release);
 	}
 	if (lc->presence_model) {
 		linphone_presence_model_unref(lc->presence_model);

coreapi/private.h

@@ -393,8 +393,10 @@ const LinphoneAddress* linphone_proxy_config_get_service_route(const LinphonePro
 
 void linphone_friend_list_invalidate_subscriptions(LinphoneFriendList *list);
 void linphone_friend_list_notify_presence_received(LinphoneFriendList *list, LinphoneEvent *lev, const LinphoneContent *body);
+void _linphone_friend_list_release(LinphoneFriendList *list);
 void linphone_friend_invalidate_subscription(LinphoneFriend *lf);
 void linphone_friend_close_subscriptions(LinphoneFriend *lf);
+void _linphone_friend_release(LinphoneFriend *lf);
 void linphone_friend_update_subscribes(LinphoneFriend *fr, LinphoneProxyConfig *cfg, bool_t only_when_registered);
 void linphone_friend_notify(LinphoneFriend *lf, LinphonePresenceModel *presence);
 void linphone_friend_add_incoming_subscription(LinphoneFriend *lf, SalOp *op);