Revision control
++ // Copyright (C) 2024 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 Q17MEMORY_H
++ #define Q17MEMORY_H
++
++ #include <QtCore/qexceptionhandling.h>
++ #include <QtCore/qtconfigmacros.h>
++
++ #include <iterator>
++ #include <memory>
++
++ QT_BEGIN_NAMESPACE
++
++ namespace q17 {
++ // like std::uninitialized_value_construct
++ #if !defined(Q_OS_VXWORKS)
++ using std::uninitialized_value_construct;
++ #else
++ namespace _detail {
++ template <typename T>
++ void *voidify(T &t) {
++ // LWG3870 changed this for C++23, but this is q_17_, so use the C++17/20 version:
++ return const_cast<void*>(static_cast<const volatile void*>(std::addressof(t)));
++ }
++ } // namespace _detail
++ // WindRiver confirmed that implementation of `std::uninitialized_value_construct` is not
++ // working properly in VxWorks 24.03 (probably the same problem appears in older versions) with
++ // defect VXHVP-9969
++ template <typename ForwardIt>
++ void uninitialized_value_construct(ForwardIt first, ForwardIt last)
++ {
++ auto current = first;
++ using ValueType = typename std::iterator_traits<ForwardIt>::value_type;
++ QT_TRY {
++ for (; current != last; ++current)
++ ::new (_detail::voidify(*current)) ValueType();
++ } QT_CATCH(...) {
++ std::destroy(first, current);
++ QT_RETHROW;
++ }
++ }
++ #endif // Q_OS_VXWORKS
++ } // namespace q17
++
++ QT_END_NAMESPACE
++
++ #endif // Q17MEMORY_H