jdk/src/hotspot/share/cppstdlib/cstddef.hpp
Kim Barrett e8a1a8707e 8369186: HotSpot Style Guide should permit some uses of the C++ Standard Library
Reviewed-by: jrose, lkorinth, iwalulya, kvn, stefank
2025-11-02 07:02:06 +00:00

50 lines
1.6 KiB
C++

/*
* Copyright (c) 2022, 2025, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
#ifndef SHARE_CPPSTDLIB_CSTDDEF_HPP
#define SHARE_CPPSTDLIB_CSTDDEF_HPP
#include "utilities/compilerWarnings.hpp"
// HotSpot usage for <cstddef>:
// permitted:
// * std::max_align_t, std::nullptr_t
// * size_t (preferred) and std::size_t
// * ptrdiff_t (preferred) and std::ptrdiff_t
// * offsetof
//
// forbidden:
// * <upcase>null</> macro - use nullptr instead.
// * std::byte
BEGIN_ALLOW_FORBIDDEN_FUNCTIONS
#include "utilities/vmassert_uninstall.hpp"
#include <cstddef>
#include "utilities/vmassert_reinstall.hpp" // don't reorder
END_ALLOW_FORBIDDEN_FUNCTIONS
#endif // SHARE_CPPSTDLIB_CSTDDEF_HPP