__cxx03/__bit/endian.h

0001 //===----------------------------------------------------------------------===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008
0009 #ifndef _LIBCPP___CXX03___BIT_ENDIAN_H
0010 #define _LIBCPP___CXX03___BIT_ENDIAN_H
0011
0012 #include <__cxx03/__config>
0013
0014 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
0015 #  pragma GCC system_header
0016 #endif
0017
0018 #if _LIBCPP_STD_VER >= 20
0019
0020 _LIBCPP_BEGIN_NAMESPACE_STD
0021
0022 enum class endian {
0023   little = 0xDEAD,
0024   big    = 0xFACE,
0025 #  if defined(_LIBCPP_LITTLE_ENDIAN)
0026   native = little
0027 #  elif defined(_LIBCPP_BIG_ENDIAN)
0028   native = big
0029 #  else
0030   native = 0xCAFE
0031 #  endif
0032 };
0033
0034 _LIBCPP_END_NAMESPACE_STD
0035
0036 #endif // _LIBCPP_STD_VER >= 20
0037
0038 #endif // _LIBCPP___CXX03___BIT_ENDIAN_H