1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #ifndef _LIBCPP___BIT_ENDIAN_H
10 #define _LIBCPP___BIT_ENDIAN_H
11 
12 #include <__config>
13 
14 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
15 #  pragma GCC system_header
16 #endif
17 
18 #if _LIBCPP_STD_VER >= 20
19 
20 _LIBCPP_BEGIN_NAMESPACE_STD
21 
22 enum class endian {
23   little = 0xDEAD,
24   big    = 0xFACE,
25 #  if defined(_LIBCPP_LITTLE_ENDIAN)
26   native = little
27 #  elif defined(_LIBCPP_BIG_ENDIAN)
28   native = big
29 #  else
30   native = 0xCAFE
31 #  endif
32 };
33 
34 _LIBCPP_END_NAMESPACE_STD
35 
36 #endif // _LIBCPP_STD_VER >= 20
37 
38 #endif // _LIBCPP___BIT_ENDIAN_H
39