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Micro-optimize QDir::relativeFilePath

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Use QString::splitRef on platforms with case sensitive paths, to
avoid unnecessary allocations.

Change-Id: Iff331a5eb67c4cbaf1333e663e77290261c5b013
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
This commit is contained in:
Jędrzej Nowacki 2014-05-14 12:46:18 +02:00 committed by Thiago Macieira
parent b1202e0234
commit 4413254ff6
1 changed files with 5 additions and 1 deletions
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6
src/corelib/io/qdir.cpp
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@ -760,9 +760,13 @@ QString QDir::relativeFilePath(const QString &fileName) const
#endif
QString result;
#if defined(Q_OS_WIN)
QStringList dirElts = dir.split(QLatin1Char('/'), QString::SkipEmptyParts);
QStringList fileElts = file.split(QLatin1Char('/'), QString::SkipEmptyParts);
#else
QVector<QStringRef> dirElts = dir.splitRef(QLatin1Char('/'), QString::SkipEmptyParts);
QVector<QStringRef> fileElts = file.splitRef(QLatin1Char('/'), QString::SkipEmptyParts);
#endif
int i = 0;
while (i < dirElts.size() && i < fileElts.size() &&
#if defined(Q_OS_WIN)