From 736168497aa07de01717f53dd8c886d33a1334ea Mon Sep 17 00:00:00 2001
From: Orgad Shaneh <orgad.shaneh@audiocodes.com>
Date: Fri, 27 Feb 2015 09:42:48 +0200
Subject: [PATCH] Utils: Avoid copy on FileName::toString()

Takes ~6% of project loading

Change-Id: Id277f6cc9d5666b9a383419959cfd37b936437f8
Reviewed-by: Daniel Teske <daniel.teske@theqtcompany.com>
---
 src/libs/utils/fileutils.cpp | 4 ++--
 src/libs/utils/fileutils.h   | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/libs/utils/fileutils.cpp b/src/libs/utils/fileutils.cpp
index 2c8baf56249..9979f2d6a6d 100644
--- a/src/libs/utils/fileutils.cpp
+++ b/src/libs/utils/fileutils.cpp
@@ -548,9 +548,9 @@ QFileInfo FileName::toFileInfo() const
 }
 
 /// \returns a QString for passing on to QString based APIs
-QString FileName::toString() const
+const QString &FileName::toString() const
 {
-    return QString(*this);
+    return *this;
 }
 
 /// \returns a QString to display to the user
diff --git a/src/libs/utils/fileutils.h b/src/libs/utils/fileutils.h
index 1ffea746a70..920bbc70afe 100644
--- a/src/libs/utils/fileutils.h
+++ b/src/libs/utils/fileutils.h
@@ -71,7 +71,7 @@ public:
     static FileName fromLatin1(const QByteArray &filename);
     static FileName fromUserInput(const QString &filename);
     static FileName fromUtf8(const char *filename, int filenameSize = -1);
-    QString toString() const;
+    const QString &toString() const;
     QString toUserOutput() const;
     QString fileName(int pathComponents = 0) const;
     bool exists() const;