From: Peter van Dijk <peter.van.dijk@powerdns.com>
Date: Mon, 26 Feb 2018 13:49:37 +0000 (+0100)
Subject: luabackend: do not _tostring t tables and userdata
X-Git-Tag: dnsdist-1.3.0~66^2~13
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=d1d5e3de0f573614a8eece7bf056f6eeb6c7e528;p=pdns

luabackend: do not _tostring t tables and userdata
---

diff --git a/modules/luabackend/lua_functions.cc b/modules/luabackend/lua_functions.cc
index f06f1f8fd..5c6212787 100644
--- a/modules/luabackend/lua_functions.cc
+++ b/modules/luabackend/lua_functions.cc
@@ -136,12 +136,12 @@ int l_dnspacket (lua_State *lua) {
 int l_logger (lua_State *lua) {
 //    assert(lua == lb->lua);
 
-    lua_getfield(lua, LUA_REGISTRYINDEX, "__LUABACKEND");
-    LUABackend* lb = (LUABackend*)lua_touserdata(lua, -1);
-
     int i = lua_gettop(lua);
     if (i < 1)
-	return 0;
+        return 0;
+
+    lua_getfield(lua, LUA_REGISTRYINDEX, "__LUABACKEND");
+    LUABackend* lb = (LUABackend*)lua_touserdata(lua, -1);
 
     int log_level = 0;
     stringstream s;
diff --git a/modules/luabackend/test2/pdns-luabackend.lua b/modules/luabackend/test2/pdns-luabackend.lua
index 6a577f204..c22da8202 100644
--- a/modules/luabackend/test2/pdns-luabackend.lua
+++ b/modules/luabackend/test2/pdns-luabackend.lua
@@ -168,7 +168,7 @@ function get()
 	logger(log_debug, "(l_get) begin")
 	while rrsetidx < rrsetsize do
 		rrsetidx = rrsetidx + 1
-		logger(log_debug, "(l_get) rrset ", rrsetidx, " : ", rrset[rrsetidx])
+		logger(log_debug, "(l_get) rrset ", rrsetidx)
 		return rrset[rrsetidx]
 	end
 	logger(log_debug, "(l_get) done")