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++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++ // Qt-Security score:significant reason:default
++
++ #ifndef QSYSTEMERROR_P_H
++ #define QSYSTEMERROR_P_H
++
++ //
++ // W A R N I N G
++ // -------------
++ //
++ // This file is not part of the Qt API. It exists purely as an
++ // implementation detail. This header file may change from version to
++ // version without notice, or even be removed.
++ //
++ // We mean it.
++ //
++
++ #include <QtCore/private/qglobal_p.h>
++ #include <qstring.h>
++
++ QT_BEGIN_NAMESPACE
++
++ class QSystemError
++ {
++ public:
++ enum ErrorScope
++ {
++ NoError,
++ StandardLibraryError,
++ NativeError
++ };
++
++ constexpr explicit QSystemError(int error, ErrorScope scope)
++ : errorCode(error), errorScope(scope)
++ {
++ }
++ constexpr QSystemError() = default;
++
++ QString toString() const { return string(errorScope, errorCode); }
++ constexpr ErrorScope scope() const { return errorScope; }
++ constexpr int error() const { return errorCode; }
++
++ constexpr bool ok() const noexcept { return errorScope == NoError; }
++ static constexpr QSystemError stdError(int error)
++ { return QSystemError(error, StandardLibraryError); }
++
++ static Q_CORE_EXPORT QString string(ErrorScope errorScope, int errorCode);
++ static Q_CORE_EXPORT QString stdString(int errorCode = -1);
++ #ifdef Q_OS_WIN
++ static Q_CORE_EXPORT QString windowsString(int errorCode = -1);
++ using HRESULT = long;
++ static Q_CORE_EXPORT QString windowsComString(HRESULT hr);
++
++ static constexpr QSystemError nativeError(int error)
++ { return QSystemError(error, NativeError); }
++ #endif
++
++ // data members
++ int errorCode = 0;
++ ErrorScope errorScope = NoError;
++ };
++
++ QT_END_NAMESPACE
++
++ #endif // QSYSTEMERROR_P_H