Handle calloc failures

1 files changed, 3 insertions, 0 deletions

diff --git a/sway/container.c b/sway/container.c
index 8a584efa..d9677cdb 100644
--- a/sway/container.c
+++ b/sway/container.c
@@ -23,6 +23,9 @@ static swayc_t *new_swayc(enum swayc_types type) {
         // next id starts at 1 because 0 is assigned to root_container in layout.c
         static size_t next_id = 1;
         swayc_t *c = calloc(1, sizeof(swayc_t));
+        if (!c) {
+                return NULL;
+        }
         c->id = next_id++;
         c->handle = -1;
         c->gaps = -1;