Handle calloc failures

1 files changed, 9 insertions, 0 deletions

diff --git a/sway/ipc-json.c b/sway/ipc-json.c
index e65e9de3..fd17216e 100644
--- a/sway/ipc-json.c
+++ b/sway/ipc-json.c
@@ -245,6 +245,15 @@ json_object *ipc_json_get_version() {
 
 #if defined SWAY_GIT_VERSION && defined SWAY_GIT_BRANCH && defined SWAY_VERSION_DATE
         char *full_version = calloc(strlen(SWAY_GIT_VERSION) + strlen(SWAY_GIT_BRANCH) + strlen(SWAY_VERSION_DATE) + 20, 1);
+        if (!full_version) {
+                json_object_object_add(version, "human_readable",
+                                json_object_new_string("Allocating version string failed"));
+                // TODO: it's stupid that we allocate this in the first place
+                json_object_object_add(version, "major", json_object_new_int(0));
+                json_object_object_add(version, "minor", json_object_new_int(0));
+                json_object_object_add(version, "patch", json_object_new_int(0));
+                return version;
+        }
         strcat(full_version, SWAY_GIT_VERSION);
         strcat(full_version, " (");
         strcat(full_version, SWAY_VERSION_DATE);