// -*- C++ -*- forwarding header.
// Copyright (C) 1997-2018 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library 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 for more details.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// .
/** @file cstddef
* This is a Standard C++ Library file. You should @c \#include this file
* in your programs, rather than any of the @a *.h implementation files.
*
* This is the C++ version of the Standard C Library header @c stddef.h,
* and its contents are (mostly) the same as that header, but are all
* contained in the namespace @c std (except for names which are defined
* as macros in C).
*/
//
// ISO C++ 14882: 18.1 Types
//
#ifndef _GLIBCXX_CSTDDEF
#define _GLIBCXX_CSTDDEF 1
#pragma GCC system_header
#undef __need_wchar_t
#undef __need_ptrdiff_t
#undef __need_size_t
#undef __need_NULL
#undef __need_wint_t
#include
#include
#if __cplusplus >= 201103L
namespace std
{
// We handle size_t, ptrdiff_t, and nullptr_t in c++config.h.
using ::max_align_t;
}
#endif
#if __cplusplus >= 201703L
namespace std
{
#define __cpp_lib_byte 201603
/// std::byte
enum class byte : unsigned char {};
template struct __byte_operand { };
template<> struct __byte_operand { using __type = byte; };
template<> struct __byte_operand { using __type = byte; };
template<> struct __byte_operand { using __type = byte; };
template<> struct __byte_operand { using __type = byte; };
#ifdef _GLIBCXX_USE_WCHAR_T
template<> struct __byte_operand { using __type = byte; };
#endif
template<> struct __byte_operand { using __type = byte; };
template<> struct __byte_operand { using __type = byte; };
template<> struct __byte_operand { using __type = byte; };
template<> struct __byte_operand { using __type = byte; };
template<> struct __byte_operand { using __type = byte; };
template<> struct __byte_operand { using __type = byte; };
template<> struct __byte_operand { using __type = byte; };
template<> struct __byte_operand { using __type = byte; };
template<> struct __byte_operand { using __type = byte; };
template<> struct __byte_operand { using __type = byte; };
#if defined(__GLIBCXX_TYPE_INT_N_0)
template<> struct __byte_operand<__GLIBCXX_TYPE_INT_N_0>
{ using __type = byte; };
template<> struct __byte_operand
{ using __type = byte; };
#endif
#if defined(__GLIBCXX_TYPE_INT_N_1)
template<> struct __byte_operand<__GLIBCXX_TYPE_INT_N_1>
{ using __type = byte; };
template<> struct __byte_operand
{ using __type = byte; };
#endif
#if defined(__GLIBCXX_TYPE_INT_N_2)
template<> struct __byte_operand<__GLIBCXX_TYPE_INT_N_2>
{ using __type = byte; };
template<> struct __byte_operand
{ using __type = byte; };
#endif
template
struct __byte_operand
: __byte_operand<_IntegerType> { };
template
struct __byte_operand
: __byte_operand<_IntegerType> { };
template
struct __byte_operand
: __byte_operand<_IntegerType> { };
template
using __byte_op_t = typename __byte_operand<_IntegerType>::__type;
template
constexpr __byte_op_t<_IntegerType>&
operator<<=(byte& __b, _IntegerType __shift) noexcept
{ return __b = byte(static_cast(__b) << __shift); }
template
constexpr __byte_op_t<_IntegerType>
operator<<(byte __b, _IntegerType __shift) noexcept
{ return byte(static_cast(__b) << __shift); }
template
constexpr __byte_op_t<_IntegerType>&
operator>>=(byte& __b, _IntegerType __shift) noexcept
{ return __b = byte(static_cast(__b) >> __shift); }
template
constexpr __byte_op_t<_IntegerType>
operator>>(byte __b, _IntegerType __shift) noexcept
{ return byte(static_cast(__b) >> __shift); }
constexpr byte&
operator|=(byte& __l, byte __r) noexcept
{
return __l =
byte(static_cast(__l) | static_cast(__r));
}
constexpr byte
operator|(byte __l, byte __r) noexcept
{
return
byte(static_cast(__l) | static_cast(__r));
}
constexpr byte&
operator&=(byte& __l, byte __r) noexcept
{
return __l =
byte(static_cast(__l) & static_cast(__r));
}
constexpr byte
operator&(byte __l, byte __r) noexcept
{
return
byte(static_cast(__l) & static_cast(__r));
}
constexpr byte&
operator^=(byte& __l, byte __r) noexcept
{
return __l =
byte(static_cast(__l) ^ static_cast(__r));
}
constexpr byte
operator^(byte __l, byte __r) noexcept
{
return
byte(static_cast(__l) ^ static_cast(__r));
}
constexpr byte
operator~(byte __b) noexcept
{ return byte(~static_cast(__b)); }
template
constexpr _IntegerType
to_integer(__byte_op_t<_IntegerType> __b) noexcept
{ return _IntegerType(__b); }
} // namespace std
#endif
#endif // _GLIBCXX_CSTDDEF