diff options
author | Marc Mutz <marc.mutz@kdab.com> | 2015-01-22 19:28:01 +0100 |
---|---|---|
committer | Marc Mutz <marc.mutz@kdab.com> | 2015-03-25 10:18:35 +0000 |
commit | aab749487f620e27b7311c729de3922e7fd09049 (patch) | |
tree | 64afc632c6877364c8cae4249f79f35142a4a300 /src/corelib | |
parent | 1e824bb9c43a01cecb222ebbf373bca727aa5896 (diff) |
QTime: optimize toString()
Instead of using a QString::arg() cascade, which creates tons of
temporaries, use good 'ol sprintf().
Effects on Linux GCC 4.9 stripped release builds:
text -308B
data +-0B
relocs +-0
Change-Id: I348577491d1399b5040f7ed9e9f6b111a9528e5d
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Diffstat (limited to 'src/corelib')
-rw-r--r-- | src/corelib/tools/qdatetime.cpp | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/src/corelib/tools/qdatetime.cpp b/src/corelib/tools/qdatetime.cpp index 8c25994bb2..7d1ed9d2ba 100644 --- a/src/corelib/tools/qdatetime.cpp +++ b/src/corelib/tools/qdatetime.cpp @@ -1569,9 +1569,7 @@ QString QTime::toString(Qt::DateFormat format) const case Qt::ISODate: case Qt::TextDate: default: - return QString::fromLatin1("%1:%2:%3").arg(hour(), 2, 10, QLatin1Char('0')) - .arg(minute(), 2, 10, QLatin1Char('0')) - .arg(second(), 2, 10, QLatin1Char('0')); + return QString::asprintf("%02d:%02d:%02d", hour(), minute(), second()); } } |