diff options
| author | Marc Mutz <marc.mutz@kdab.com> | 2015-01-22 12:34:44 +0100 |
|---|---|---|
| committer | Marc Mutz <marc.mutz@kdab.com> | 2015-02-17 15:04:36 +0000 |
| commit | 647ad3fe2510d49299ee496a4d8db2058d832db1 (patch) | |
| tree | 38e1a415e0776cf9b724be90d043ea6cf3d8afeb /src/corelib | |
| parent | 8f553484fa1d0ef7db026723ef8b1cbe79f85faa (diff) | |
QDate: optimize QDate::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 -216B
data +-0B
relocs +-0
Change-Id: I6ff551cb9f42e0c05a64f03a8e177fb527915481
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 b31eb8c23c..191fcf8cfd 100644 --- a/src/corelib/tools/qdatetime.cpp +++ b/src/corelib/tools/qdatetime.cpp @@ -888,9 +888,7 @@ QString QDate::toString(Qt::DateFormat format) const pd = getDateFromJulianDay(jd); if (pd.year < 0 || pd.year > 9999) return QString(); - return QString::fromLatin1("%1-%2-%3").arg(pd.year, 4, 10, QLatin1Char('0')) - .arg(pd.month, 2, 10, QLatin1Char('0')) - .arg(pd.day, 2, 10, QLatin1Char('0')); + return QString::asprintf("%04d-%02d-%02d", pd.year, pd.month, pd.day); } } |