diff options
| author | Anton Kudryavtsev <a.kudryavtsev@netris.ru> | 2016-08-15 17:30:44 +0300 |
|---|---|---|
| committer | Anton Kudryavtsev <a.kudryavtsev@netris.ru> | 2016-08-18 07:29:37 +0000 |
| commit | 1075f6c7644e098530b317d3ac271328c7ddb481 (patch) | |
| tree | 697e95f8b6cddb8e87aa2a742f5753fbad924a0a /src/corelib | |
| parent | 469b13916983aff4625657eecbb7d2399cac901d (diff) | |
Use QStringRef to optimize memory allocation
Replace substring functions that return QString
with corresponding functions that return QStringRef.
Change-Id: I3c485f89352a1ee66076fba74fd486da9349c354
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Diffstat (limited to 'src/corelib')
| -rw-r--r-- | src/corelib/io/qfilesystemengine_win.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/corelib/io/qfilesystemengine_win.cpp b/src/corelib/io/qfilesystemengine_win.cpp index abf346a717..cdb64d08e1 100644 --- a/src/corelib/io/qfilesystemengine_win.cpp +++ b/src/corelib/io/qfilesystemengine_win.cpp @@ -349,7 +349,7 @@ static QString readSymLink(const QFileSystemEntry &link) if (matchVolName.indexIn(result) == 0) { DWORD len; wchar_t buffer[MAX_PATH]; - QString volumeName = result.mid(0, matchVolName.matchedLength()).prepend(QLatin1String("\\\\?\\")); + const QString volumeName = QLatin1String("\\\\?\\") + result.leftRef(matchVolName.matchedLength()); if (GetVolumePathNamesForVolumeName(reinterpret_cast<LPCWSTR>(volumeName.utf16()), buffer, MAX_PATH, &len) != 0) result.replace(0,matchVolName.matchedLength(), QString::fromWCharArray(buffer)); } |