Examples of errors detected by the V799 diagnostic

V799. Variable is not used after memory is allocated for it. Consider checking the use of this variable.

Krita

V799 The 'cmd' variable is not used after memory has been allocated for it. Consider checking the use of this variable. kis_all_filter_test.cpp 154

bool testFilter(KisFilterSP f)
{
  ....
  KisTransaction * cmd =
    new KisTransaction(kundo2_noi18n(f->name()), dev); // <=

  // Get the predefined configuration from a file
  KisFilterConfigurationSP  kfc = f->defaultConfiguration();

  QFile file(QString(FILES_DATA_DIR) +
             QDir::separator() + f->id() + ".cfg");
  if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
    //dbgKrita << "creating new file for " << f->id();
    file.open(QIODevice::WriteOnly | QIODevice::Text);
    QTextStream out(&file);
    out.setCodec("UTF-8");
    out << kfc->toXML();
  } else {
    QString s;
    QTextStream in(&file);
    in.setCodec("UTF-8");
    s = in.readAll();
    //dbgKrita << "Read for " << f->id() << "\n" << s;
    kfc->fromXML(s);
  }
  dbgKrita << f->id();// << "\n" << kfc->toXML() << "\n";

  f->process(dev, QRect(QPoint(0,0), qimage.size()), kfc);

  QPoint errpoint;

  delete cmd; // <=

  ....
}