Function luaL_testudata

Plugins/UnLuaExtensions/LuaProtobuf/Source/src/pb.cpp:71–81

}

static void *luaL_testudata(lua_State *L, int idx, const char *type) {
    void *p = lua_touserdata(L, idx);
    if (p != NULL && lua_getmetatable(L, idx)) {
        lua_getfield(L, LUA_REGISTRYINDEX, type);
        if (!lua_rawequal(L, -2, -1))
            p = NULL;
        lua_pop(L, 2);
        return p;
    }
    return NULL;
}

#endif