From c1df9f210e53a9155343159a820e320a76d35582 Mon Sep 17 00:00:00 2001
From: Dword123 <sl@webfactory.de>
Date: Wed, 1 Jun 2016 13:20:21 +0200
Subject: [PATCH] Improve memory efficiency

This avoids concatenating `$message` and `PHP_EOL` (if necessary) as a new value, greatly improving memory efficiency for large `$message`s.
---
 src/Symfony/Component/Console/Output/StreamOutput.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Symfony/Component/Console/Output/StreamOutput.php b/src/Symfony/Component/Console/Output/StreamOutput.php
index 80c352a278..f3708ecffe 100644
--- a/src/Symfony/Component/Console/Output/StreamOutput.php
+++ b/src/Symfony/Component/Console/Output/StreamOutput.php
@@ -70,7 +70,7 @@ class StreamOutput extends Output
      */
     protected function doWrite($message, $newline)
     {
-        if (false === @fwrite($this->stream, $message.($newline ? PHP_EOL : ''))) {
+        if (false === @fwrite($this->stream, $message) || ($newline && (false === @fwrite($this->stream, PHP_EOL)))) {
             // should never happen
             throw new \RuntimeException('Unable to write output.');
         }