.. _program_listing_file_include_rcpputils_endian.hpp:

Program Listing for File endian.hpp
===================================

|exhale_lsh| :ref:`Return to documentation for file <file_include_rcpputils_endian.hpp>` (``include/rcpputils/endian.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   // Copyright 2019 Open Source Robotics Foundation, Inc.
   //
   // Licensed under the Apache License, Version 2.0 (the "License");
   // you may not use this file except in compliance with the License.
   // You may obtain a copy of the License at
   //
   //     http://www.apache.org/licenses/LICENSE-2.0
   //
   // Unless required by applicable law or agreed to in writing, software
   // distributed under the License is distributed on an "AS IS" BASIS,
   // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   // See the License for the specific language governing permissions and
   // limitations under the License.
   
   #ifndef RCPPUTILS__ENDIAN_HPP_
   #define RCPPUTILS__ENDIAN_HPP_
   
   // TODO(anyone) replace this macro when the appropriate C++20 value lands.
   #if !defined(RCPPUTILS_NO_STD_ENDIAN) && (__cplusplus <= 201703L)
   #define RCPPUTILS_NO_STD_ENDIAN
   #endif
   
   #if !defined(RCPPUTILS_NO_STD_ENDIAN)
   #include <type_traits>
   namespace rcpputils
   {
   using std::endian;
   }  // namespace rcpputils
   #define RCPPUTILS_HAVE_STD_ENDIAN 1
   #endif  // __cplusplus > 201703L
   
   #ifndef RCPPUTILS_HAVE_STD_ENDIAN
   #ifdef __has_include
   #  if __has_include(<endian.h>)
   #    include <endian.h>
   #  endif
   #endif
   
   namespace rcpputils
   {
   enum class endian
   {
   #ifdef _WIN32
     little = 0,
     big    = 1,
     native = little
   #else
     little = __ORDER_LITTLE_ENDIAN__,
     big    = __ORDER_BIG_ENDIAN__,
     native = __BYTE_ORDER__
   #endif
   };
   }  // namespace rcpputils
   #endif  // RCPPUTILS_HAVE_STD_ENDIAN
   #endif  // RCPPUTILS__ENDIAN_HPP_