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  1. Qt
  2. QTBUG-10405

regression in QtEmbedded: null QStringList join with null seperator to an empty string, should be null.

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    • 77b913e5f8fa93c62a245

      This problem was introduced in 4.6.2 (461 is fine) and it happens only against qt-embedded.
      code to reproduce the problem:

      #include <QtGui>

int main(int argc, char** argv) {
        QApplication app(argc, argv);
        QStringList list;
        QString str = list.join(QString());
        qWarning() << str.isNull();
        app.exec();
}

      In 4.6.1 or 4.6.2-x11, the result is true, but against qte-4.6.2, the result is false.

      This causes a logic problem in src/gui/embedded/qmousetslib_qws.cpp:

          devName = args.join(QString());
    if (devName.isNull()) {
        const char *str = getenv("TSLIB_TSDEVICE");
        if (str)
            devName = QString::fromLocal8Bit(str);
    }

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            tvete Paul Olav Tvete
            sanonymous Nokia Qt Support (Inactive)
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              Created:
              Updated:
              Resolved:

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