From 1eae925a3df3b9310adbfca99576913483050a3d Mon Sep 17 00:00:00 2001
From: unclejack <unclejacksons@gmail.com>
Date: Sun, 29 Mar 2015 15:20:53 +0300
Subject: [PATCH] pkg/broadcastwriter: avoid alloc w/ WriteString

Signed-off-by: Cristian Staretu <cristian.staretu@gmail.com>
(cherry picked from commit db877d8a425a3c063eedb1908ab1b50df1a33a57)

Docker-DCO-1.1-Signed-off-by: Jessie Frazelle <hugs@docker.com> (github: jfrazelle)

Docker-DCO-1.1-Signed-off-by: Jessie Frazelle <jess@docker.com> (github: jfrazelle)
---
 pkg/broadcastwriter/broadcastwriter.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkg/broadcastwriter/broadcastwriter.go b/pkg/broadcastwriter/broadcastwriter.go
index 232cf3dfc..9a0b17624 100644
--- a/pkg/broadcastwriter/broadcastwriter.go
+++ b/pkg/broadcastwriter/broadcastwriter.go
@@ -51,7 +51,7 @@ func (w *BroadcastWriter) Write(p []byte) (n int, err error) {
 	for {
 		line, err := w.buf.ReadString('\n')
 		if err != nil {
-			w.buf.Write([]byte(line))
+			w.buf.WriteString(line)
 			break
 		}
 		for stream, writers := range w.streams {