From 26d792d914fdf78a3f0d2bbc46d6927375e27e93 Mon Sep 17 00:00:00 2001
From: Jo-Philipp Wich <jow@openwrt.org>
Date: Wed, 29 Jul 2009 04:29:22 +0000
Subject: [PATCH] libs/core: properly handle udata values in overloaded string
 format operator

---
 libs/core/luasrc/util.lua | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libs/core/luasrc/util.lua b/libs/core/luasrc/util.lua
index 9747a4486..84c63f240 100644
--- a/libs/core/luasrc/util.lua
+++ b/libs/core/luasrc/util.lua
@@ -49,8 +49,10 @@ getmetatable("").__mod = function(a, b)
 	if not b then
 		return a
 	elseif type(b) == "table" then
+		for k, _ in pairs(b) do if type(b[k]) == "userdata" then b[k] = tostring(b[k]) end end
 		return a:format(unpack(b))
 	else
+		if type(b) == "userdata" then b = tostring(b) end
 		return a:format(b)
 	end
 end
-- 
2.11.0