Found by UBSan:
qstring.h:1160:44: runtime error: null pointer passed as argument 1, which is declared to never be null
qstring.h:1160:44: runtime error: null pointer passed as argument 2, which is declared to never be null
Fix by avoiding the memcmp() calls if there's a chance that they
might be called with nullptr.
While at it, also implement !=, >, <=, >= in terms of ==, <,
and add a test, because this particular UB was not fingered by
any of the QtCore test cases, but by a Qt3D one.
Change-Id: I413792dcc8431ef14f0c79f26e89a3e9fab69465
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Only add C++14 to the project configuration when C++14 support is
available on the platform. Adding it because the platform supports
C++11 doesn't work when the platform _only_ supports C++11 (e.g.,
QNX 6.6.0).
Task-number: QTBUG-49491
Change-Id: I15de38bb06d912a314b9dd18c80b513cc06a855e
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
QLatin1String wasn't really tested except as a drive-by.
Unearthed a discrepancy with docs. Fixed the docs.
Change-Id: I1246bb33888132edbc4e22da792a480a156357bf
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
Marc Mutz
James McDonnell