From 6abba6163290b58cd9ebae98d8459ac38ef52a4b Mon Sep 17 00:00:00 2001
From: Jo-Philipp Wich <jow@openwrt.org>
Date: Sat, 18 Jul 2009 21:58:41 +0000
Subject: [PATCH] libs/nixio: allow calls to nixio.util.consume() with no
 iterator given

---
 libs/nixio/lua/nixio/util.lua | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/libs/nixio/lua/nixio/util.lua b/libs/nixio/lua/nixio/util.lua
index d83209aff..ecefb4c97 100644
--- a/libs/nixio/lua/nixio/util.lua
+++ b/libs/nixio/lua/nixio/util.lua
@@ -28,8 +28,10 @@ local ZBUG = uname.sysname == "Linux" and uname.release:sub(1, 3) == "2.4"
 
 function consume(iter, append)
 	local tbl = append or {}
-	for obj in iter do
-		tbl[#tbl+1] = obj
+	if iter then
+		for obj in iter do
+			tbl[#tbl+1] = obj
+		end
 	end
 	return tbl
 end
-- 
2.11.0