# HG changeset patch
# User Waqas Hussain <waqas20@gmail.com>
# Date 1231956256 -18000
# Node ID d61eabc678a66f5c66d99f4c3aaa0aad1b9d1b72
# Parent  beec1eb7d9c6761165a2af1500b43b4120db0c3e
util/logger: setwriter now returns the old writer on success

diff -r beec1eb7d9c6 -r d61eabc678a6 util/logger.lua
--- a/util/logger.lua	Wed Jan 14 22:35:01 2009 +0500
+++ b/util/logger.lua	Wed Jan 14 23:04:16 2009 +0500
@@ -63,10 +63,12 @@
 end
 
 function setwriter(f)
-	if not f then outfunction = nil; return true, nil; end
+	local old_func = outfunction;
+	if not f then outfunction = nil; return true, old_func; end
 	local ok, ret = pcall(f, "logger", "info", "Switched logging output successfully");
 	if ok then
 		outfunction = f;
+		ret = old_func;
 	end
 	return ok, ret;
 end