Check for NULL in container_update_title

Fixes crash when opening Firefox developer tools.

1 files changed, 6 insertions, 1 deletions

diff --git a/sway/tree/container.c b/sway/tree/container.c
index 3ec58a5d..3746ad81 100644
--- a/sway/tree/container.c
+++ b/sway/tree/container.c
@@ -348,7 +348,7 @@ struct sway_container *container_view_create(struct sway_container *sibling,
                 swayc, title, sibling, sibling ? sibling->type : 0, sibling->name);
         // Setup values
         swayc->sway_view = sway_view;
-        container_update_title(swayc, title ? title : "");
+        container_update_title(swayc, title);
         swayc->width = 0;
         swayc->height = 0;
 
@@ -660,9 +660,14 @@ static void container_notify_child_title_changed(
 
 void container_update_title(struct sway_container *container,
                 const char *new_title) {
+        if (!new_title) {
+                new_title = "";
+        }
+
         if (container->name && strcmp(container->name, new_title) == 0) {
                 return;
         }
+
         if (container->name) {
                 free(container->name);
         }