1 files changed, 4 insertions, 9 deletions

diff --git a/deep_test/deep_test.c b/deep_test/deep_test.c
index a725902..cb89741 100644
--- a/deep_test/deep_test.c
+++ b/deep_test/deep_test.c
@@ -1,5 +1,6 @@
 #include <malloc.h>
 #include <memory.h>
+#include <assert.h>
 
 #include "lua.h"
 #include "lualib.h"
@@ -196,18 +197,12 @@ static int clonable_lanesclone( lua_State* L)
 {
         switch( lua_gettop( L))
         {
-                case 1:
-                {
-                        // in case we need it to compute the amount of memory we need
-                        struct s_MyClonableUserdata* self = lua_touserdata( L, 1);
-                        lua_pushinteger( L, sizeof( struct s_MyClonableUserdata));
-                }
-                return 1;
-
-                case 2:
+                case 3:
                 {
                         struct s_MyClonableUserdata* self = lua_touserdata( L, 1);
                         struct s_MyClonableUserdata* from = lua_touserdata( L, 2);
+                        size_t len = lua_tointeger( L, 3);
+                        assert( len == sizeof(struct s_MyClonableUserdata));
                         *self = *from;
                 }
                 return 0;