From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Thu, 27 Aug 2020 15:23:08 +0000 (+0100)
Subject: [Minor] Add proper metamethods for redis.null
X-Git-Tag: 2.6~108
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=1438514d3bf8de013aa311a6b0c6173de63c75e5;p=rspamd.git

[Minor] Add proper metamethods for redis.null
---

diff --git a/src/lua/lua_redis.c b/src/lua/lua_redis.c
index 9b26f5c7b..8e9e11dda 100644
--- a/src/lua/lua_redis.c
+++ b/src/lua/lua_redis.c
@@ -1666,13 +1666,23 @@ lua_load_redis (lua_State * L)
 	return 1;
 }
 
+static gint
+lua_redis_null_idx (lua_State *L)
+{
+	lua_pushnil (L);
+
+	return 1;
+}
+
 static void
 lua_redis_null_mt (lua_State *L)
 {
 	luaL_newmetatable (L, "redis{null}");
 
-	lua_pushinteger (L, 0);
-	lua_setfield (L, -2, "cookie");
+	lua_pushcfunction (L, lua_redis_null_idx);
+	lua_setfield (L, -2, "__index");
+	lua_pushcfunction (L, lua_redis_null_idx);
+	lua_setfield (L, -2, "__tostring");
 
 	lua_pop (L, 1);
 }