1/****************************************************************************
2**
3** Copyright (C) 2016 Intel Corporation.
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
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
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13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://www.qt.io/contact-us.
16**
17** GNU General Public License Usage
18** Alternatively, this file may be used under the terms of the GNU
19** General Public License version 3 as published by the Free Software
20** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
21** included in the packaging of this file. Please review the following
22** information to ensure the GNU General Public License requirements will
23** be met: https://www.gnu.org/licenses/gpl-3.0.html.
24**
25** $QT_END_LICENSE$
26**
27****************************************************************************/
28
29#include <stdio.h>
30
31int main(int, char **argv)
32{
33 const char *msg = argv[1];
34 char buf[2];
35
36 puts(s: msg);
37 fflush(stdout);
38
39 // wait for a newline
40 const char *result = fgets(s: buf, n: sizeof buf, stdin);
41 if (result != buf)
42 return -1;
43
44 puts(s: msg);
45 fflush(stdout);
46 return 0;
47}
48

source code of qtbase/tests/auto/other/qprocess_and_guieventloop/write-read-write/main.cpp