From ffddaf4a2e2c33f805ee072c6f78fe987fd35f87 Mon Sep 17 00:00:00 2001
From: Pierre Chapuis <catwell@archlinux.us>
Date: Mon, 17 Sep 2012 18:30:26 +0200
Subject: [PATCH] fix use of arg in ltn12

---
 src/ltn12.lua | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/ltn12.lua b/src/ltn12.lua
index b7f9a21..d999e93 100644
--- a/src/ltn12.lua
+++ b/src/ltn12.lua
@@ -37,7 +37,8 @@ end
 -- chains a bunch of filters together
 -- (thanks to Wim Couwenberg)
 function filter.chain(...)
-    local n = table.getn(arg)
+    local arg = {...}
+    local n = #arg
     local top, index = 1, 1
     local retry = ""
     return function(chunk)
@@ -185,6 +186,7 @@ end
 -- other, as if they were concatenated
 -- (thanks to Wim Couwenberg)
 function source.cat(...)
+    local arg = {...}
     local src = table.remove(arg, 1)
     return function()
         while src do