How can I partition a QByteArray efficiently?

Question

I want to partition a QByteArray message efficiently, so this function I implemented take the Bytes, the part I want to extract, and toEnd flag which tells if I want to extr

Answer 1

What about this:

  QByteArray Server::getPart(const QByteArray& message, int part, bool toEnd)
  {
    int characters(toEnd ? -1 : message.indexOf(' ', part) - part);

    return message.mid(part, characters);
  }