#include "nulldevice.h" NullDevice::NullDevice(QObject *parent) : QIODevice(parent) { } qint64 NullDevice::readData(char *data, qint64 maxSize) { (void)(data); // slicence unused var (void)(maxSize); // slicence unused var return 0; } qint64 NullDevice::writeData(const char *data, qint64 maxSize) { (void)(data); // slicence unused var return maxSize; }