[Minor] Lua_text: Add cookie for metatable

diff --git a/src/lua/lua_text.c b/src/lua/lua_text.c
index d0cc631341cc7c608e499f567dce5810f2057d23..e23eed8cbb2dfe3400170a42b67fcec5524c57e8 100644 (file)
--- a/src/lua/lua_text.c
+++ b/src/lua/lua_text.c
@@ -1200,10 +1200,16 @@ lua_text_oneline (lua_State *L)
        return 1;
 }
 
+/* Used to distinguish lua text metatable */
+static const guint rspamd_lua_text_cookie = 0x2b21ef6fU;
+
 static gint
 lua_load_text (lua_State * L)
 {
        lua_newtable (L);
+       lua_pushstring (L, "cookie");
+       lua_pushnumber (L, rspamd_lua_text_cookie);
+       lua_settable (L, -3);
        luaL_register (L, NULL, textlib_f);
 
        return 1;
@@ -1213,6 +1219,9 @@ void
 luaopen_text (lua_State *L)
 {
        rspamd_lua_new_class (L, "rspamd{text}", textlib_m);
+       lua_pushstring (L, "cookie");
+       lua_pushnumber (L, rspamd_lua_text_cookie);
+       lua_settable (L, -3);
        lua_pop (L, 1);
 
        rspamd_lua_add_preload (L, "rspamd_text", lua_load_text);