fix pointer types so they call metatypes; also a Lua stack error the test found

1 files changed, 2 insertions, 1 deletions

diff --git a/ffi.c b/ffi.c
index 1b37c8f..70c621d 100644
--- a/ffi.c
+++ b/ffi.c
@@ -1407,7 +1407,7 @@ static int ffi_metatype(lua_State* L)
  * the stack, otherwise it returns 0 and pushes nothing */
 int push_user_mt(lua_State* L, int ct_usr, const struct ctype* ct)
 {
-    if (ct->pointers || (ct->type != STRUCT_TYPE && ct->type != UNION_TYPE)) {
+    if (ct->type != STRUCT_TYPE && ct->type != UNION_TYPE) {
         return 0;
     }
 
@@ -1816,6 +1816,7 @@ static int call_user_op(lua_State* L, const char* opfield, int idx, int ct_usr,
             lua_call(L, 1, LUA_MULTRET);
             return lua_gettop(L) - top + 1;
         }
+      lua_pop(L, 2);
     }
     return -1;
 }