Nikolas Klauser ce7771902d
[libc++][C++03] Update include guards (#109001)
This patch updates the includes guards of the C++ 03 headers.

This is part of https://discourse.llvm.org/t/rfc-freezing-c-03-headers-in-libc.
2024-12-09 17:34:37 +01:00

31 lines
1.0 KiB
C++

// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP___CXX03___MEMORY_VOIDIFY_H
#define _LIBCPP___CXX03___MEMORY_VOIDIFY_H
#include <__cxx03/__config>
#include <__cxx03/__memory/addressof.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
template <typename _Tp>
_LIBCPP_ALWAYS_INLINE _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void* __voidify(_Tp& __from) {
// Cast away cv-qualifiers to allow modifying elements of a range through const iterators.
return const_cast<void*>(static_cast<const volatile void*>(std::addressof(__from)));
}
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP___CXX03___MEMORY_VOIDIFY_H