Method remap

src/external/qhexview/src/model/buffer/qmappedfilebuffer.cpp:43–51

}

void QMappedFileBuffer::remap() {
    QFile* f = qobject_cast<QFile*>(m_device);
    if(!f)
        return;

    if(m_mappeddata)
        f->unmap(m_mappeddata);
    m_mappeddata = f->map(0, f->size());
}