Integrate core C implementation

[project/luci.git] / libs / core / src / luci_cutil.c

diff --git a/libs/core/src/luci_cutil.c b/libs/core/src/luci_cutil.c
index 001273b..9f56c43 100644 (file)
--- a/libs/core/src/luci_cutil.c
+++ b/libs/core/src/luci_cutil.c
@@ -91,11 +91,13 @@ static int luci__instantiate(lua_State *L) {
 
 /* luci.cutil.class(baseclass) */
 static int luci_class(lua_State *L) {
+       int n = lua_gettop(L);
+
        /* Create class */
        lua_newtable(L);
 
        /* Create metatable and register parent class if any */
-       if (lua_istable(L, 1)) {
+       if (n && lua_istable(L, 1)) {
                lua_createtable(L, 0, 2);
                lua_pushvalue(L, 1);
                lua_setfield(L, -2, "__index");