Method getTempFileName

3rdparty/qtcsv/sources/writer.cpp:163–177

Create unique name for the temporary file @output: - QString - string with the absolute path to the temporary file that is not exist yet. If function failed to create unique path, it will return empty string.

// exist yet. If function failed to create unique path, it will return empty
// string.
QString WriterPrivate::getTempFileName()
{
    const auto nameTemplate = QDir::tempPath() + "/qtcsv_" +
        QString::number(QCoreApplication::applicationPid()) + "_%1.csv";

    for (auto counter = 0; counter < std::numeric_limits<int>::max(); ++counter)
    {
        QString name = nameTemplate.arg(
            QString::number(QRandomGenerator::global()->generate()));

        if (!QFile::exists(name)) { return name; }
    }

    return QString();
}

// Write data to csv-file
// @input: