set userdata for handler to swayc_t container

sway/container.c

@@ -54,8 +54,10 @@ swayc_t *new_output(wlc_handle handle) {
 	output->height = size->h;
 	output->handle = handle;
 
-	add_child(&root_container, output);
+	//link this to handler
+	wlc_handle_set_user_data(handle, output);
 
+	add_child(&root_container, output);
 	//TODO something with this
 	int total_width = 0;
 	container_map(&root_container, add_output_widths, &total_width);
@@ -138,6 +140,8 @@ swayc_t *new_view(swayc_t *sibling, wlc_handle handle) {
 	view->name = strdup(title);
 	view->visible = true;
 
+	//Link view to handle
+	wlc_handle_set_user_data(handle, view);
 	//Case of focused workspace, just create as child of it
 	if (sibling->type == C_WORKSPACE) {
 		add_child(sibling, view);

sway/handlers.c

@@ -69,7 +69,7 @@ static void handle_output_destroyed(wlc_handle output) {
 
 static void handle_output_resolution_change(wlc_handle output, const struct wlc_size *from, const struct wlc_size *to) {
 	sway_log(L_DEBUG, "Output %d resolution changed to %d x %d", output, to->w, to->h);
-	swayc_t *c = get_swayc_for_handle(output, &root_container);
+	swayc_t *c = wlc_handle_get_user_data(output);
 	if (!c) return;
 	c->width = to->w;
 	c->height = to->h;
@@ -77,7 +77,7 @@ static void handle_output_resolution_change(wlc_handle output, const struct wlc_
 }
 
 static void handle_output_focused(wlc_handle output, bool focus) {
-	swayc_t *c = get_swayc_for_handle(output, &root_container);
+	swayc_t *c = wlc_handle_get_user_data(output);
 	if (!c) return;
 	if (focus) {
 		unfocus_all(&root_container);
@@ -109,7 +109,7 @@ static bool handle_view_created(wlc_handle handle) {
 
 static void handle_view_destroyed(wlc_handle handle) {
 	sway_log(L_DEBUG, "Destroying window %d", handle);
-	swayc_t *view = get_swayc_for_handle(handle, &root_container);
+	swayc_t *view = wlc_handle_get_user_data(handle);
 	swayc_t *parent;
 	swayc_t *focused = get_focused_container(&root_container);
 

sway/stringop.c

@@ -68,7 +68,6 @@ list_t *split_string(const char *str, const char *delims) {
 				j++;
 				i++;
 			}
-			free(left);
 		}
 	}
 	return res;