swaymsg: Fix exit code

swaymsg/main.c

@@ -19,13 +19,26 @@ void sway_terminate(int exit_code) {
 	exit(exit_code);
 }
 
+// Iterate results array and return false if any of them failed
 static bool success(json_object *r, bool fallback) {
-	json_object *success;
+	if (!json_object_is_type(r, json_type_array)) {
-	if (!json_object_object_get_ex(r, "success", &success)) {
 		return fallback;
-	} else {
-		return json_object_get_boolean(success);
 	}
+	size_t results_len = json_object_array_length(r);
+	if (!results_len) {
+		return fallback;
+	}
+	for (size_t i = 0; i < results_len; ++i) {
+		json_object *result = json_object_array_get_idx(r, i);
+		json_object *success;
+		if (!json_object_object_get_ex(result, "success", &success)) {
+			return false;
+		}
+		if (!json_object_get_boolean(success)) {
+			return false;
+		}
+	}
+	return true;
 }
 
 static void pretty_print_cmd(json_object *r) {