blob: a5d237c5d17ea32a3df05e0f1bc51df24848af2e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd
** All rights reserved.
** For any questions to The Qt Company, please use contact form at http://www.qt.io/contact-us
**
** This file is part of the Qt Enterprise Perf Profiler Add-on.
**
** GNU General Public License Usage
** This file may be used under the terms of the GNU General Public License
** version 3 as published by the Free Software Foundation and appearing in
** the file LICENSE.GPLv3 included in the packaging of this file. Please
** review the following information to ensure the GNU General Public License
** requirements will be met: https://www.gnu.org/licenses/gpl.html.
**
** If you have questions regarding the use of this file, please use
** contact form at http://www.qt.io/contact-us
**
****************************************************************************/
#include "perfstdin.h"
#include <cstdio>
#include <limits>
bool PerfStdin::open(QIODevice::OpenMode mode)
{
if (!(mode & QIODevice::ReadOnly) || (mode & QIODevice::WriteOnly))
return false;
return QIODevice::open(mode);
}
qint64 PerfStdin::readData(char *data, qint64 maxlen)
{
size_t read = fread(data, 1, maxlen, stdin);
if (feof(stdin) || ferror(stdin))
close();
if (read == 0 && maxlen > 0) {
return -1;
} else {
return read;
}
}
qint64 PerfStdin::writeData(const char *data, qint64 len)
{
Q_UNUSED(data);
Q_UNUSED(len);
return -1;
}
bool PerfStdin::isSequential() const
{
return true;
}
qint64 PerfStdin::bytesAvailable() const
{
return isOpen() ? std::numeric_limits<qint64>::max() : 0;
}
|
