1/****************************************************************************
2**
3** Copyright (C) 2016 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the test suite of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:GPL-EXCEPT$
9** Commercial License Usage
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27****************************************************************************/
28
29#include <QtCore/QFile>
30
31int main(int argc, char **)
32{
33 if (argc < 2) {
34 printf(format: "usage: echo\n");
35 printf(format: "echos all its input to its output.\n");
36 return 1;
37 }
38
39 QFile file;
40 file.open(stdin, ioFlags: QFile::ReadWrite);
41 QByteArray data = file.readAll();
42 file.close();
43
44 file.open(stdout, ioFlags: QFile::WriteOnly);
45 file.write(data);
46 file.close();
47 return 0;
48}
49

source code of qtbase/tests/auto/network/access/qnetworkreply/echo/main.cpp