update shop

source/qjs_actor.c

@@ -43,6 +43,12 @@ JSC_CCALL(os_mailbox_push,
 */    
   size_t size;
   void *data = js_get_blob_data(js, &size, argv[1]);
+  if (data == (void*)-1) {
+    return JS_EXCEPTION;
+  }
+  if (size == 0) {
+    return JS_ThrowInternalError(js, "No data present in blob");
+  }
   
   // Create a new blob and copy the data
   blob *msg_blob = blob_new(size * 8); // Convert bytes to bits