diff options
| author | Anton Kudryavtsev <a.kudryavtsev@netris.ru> | 2016-03-31 12:01:59 +0300 |
|---|---|---|
| committer | Anton Kudryavtsev <a.kudryavtsev@netris.ru> | 2016-07-02 07:39:06 +0000 |
| commit | 6662919ecde901771d9641fd732aa0735ebb39e6 (patch) | |
| tree | 449752f7d9582cd685d81829e0e2245b0f9a0ece /src/corelib/io/qfilesystemengine_unix.cpp | |
| parent | 2185b2f054ddae0fc67b8799b3561c57729f1cd7 (diff) | |
CoreLib: use QStringRef to optimize memory allocation
Replace substring functions that return QString with
corresponding functions that return QStringRef where
it's possible.
Create QString from QStringRef only where necessary.
Change-Id: Id9ea11b16947220cd27787c0b529de62d10b6c26
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Diffstat (limited to 'src/corelib/io/qfilesystemengine_unix.cpp')
| -rw-r--r-- | src/corelib/io/qfilesystemengine_unix.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/corelib/io/qfilesystemengine_unix.cpp b/src/corelib/io/qfilesystemengine_unix.cpp index eebe5f1f94..6aaaa4c05a 100644 --- a/src/corelib/io/qfilesystemengine_unix.cpp +++ b/src/corelib/io/qfilesystemengine_unix.cpp @@ -182,8 +182,9 @@ QFileSystemEntry QFileSystemEngine::getLinkTarget(const QFileSystemEntry &link, #endif if (!ret.startsWith(QLatin1Char('/'))) { - if (link.filePath().startsWith(QLatin1Char('/'))) { - ret.prepend(link.filePath().left(link.filePath().lastIndexOf(QLatin1Char('/'))) + const QString linkFilePath = link.filePath(); + if (linkFilePath.startsWith(QLatin1Char('/'))) { + ret.prepend(linkFilePath.leftRef(linkFilePath.lastIndexOf(QLatin1Char('/'))) + QLatin1Char('/')); } else { ret.prepend(QDir::currentPath() + QLatin1Char('/')); |