1 files changed, 7 insertions, 0 deletions
diff --git a/mqtt_websockets/src/common_public.c b/mqtt_websockets/src/common_public.c
new file mode 100644
index 00000000..7f74fa51
--- /dev/null
+++ b/mqtt_websockets/src/common_public.c
@@ -0,0 +1,7 @@
+#include "common_public.h"
+
+// this dummy exists to have a special pointer with special meaning
+// other than NULL
+void _caller_responsibility(void *ptr) {
+    (void)(ptr);
+}