1// Copyright (C) 2021 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4//
5// W A R N I N G
6// -------------
7//
8// This file is not part of the Qt API. It exists purely as an
9// implementation detail. This header file may change from version to
10// version without notice, or even be removed.
11//
12// We mean it.
13//
14
15#ifndef QOPCUAX509UTILS_H
16#define QOPCUAX509UTILS_H
17
18#include <functional>
19#include <QString>
20#include <private/qglobal_p.h>
21
22QT_BEGIN_NAMESPACE
23
24template <typename T>
25class Deleter
26{
27public:
28 Deleter(T *data, std::function<void(T *value)> f)
29 : m_data(data)
30 , m_function(f)
31 {
32 }
33 ~Deleter()
34 {
35 if (m_data)
36 m_function(m_data);
37 }
38 void release()
39 {
40 m_data = nullptr;
41 m_function = nullptr;
42 }
43private:
44 T *m_data {nullptr};
45 std::function<void(T *attribute)> m_function;
46};
47
48QString getOpenSslError();
49
50QT_END_NAMESPACE
51
52#endif // QOPCUAX509UTILS_H
53

source code of qtopcua/src/opcua/x509/qopcuax509utils_p.h