.. _program_listing_file_src_bytewise.hpp:

Program Listing for File bytewise.hpp
=====================================

|exhale_lsh| :ref:`Return to documentation for file <file_src_bytewise.hpp>` (``src/bytewise.hpp``)

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

.. code-block:: cpp

   // Copyright 2019 Rover Robotics via Dan Rose
   //
   // 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 BYTEWISE_HPP_
   #define BYTEWISE_HPP_
   
   #include <cstdint>
   
   #include "dds/ddsrt/endian.h"
   
   using std::size_t;
   using std::ptrdiff_t;
   
   enum class endian
   {
     little = DDSRT_LITTLE_ENDIAN,
     big = DDSRT_BIG_ENDIAN,
   };
   
   constexpr endian native_endian() {return endian(DDSRT_ENDIAN);}
   
   enum class byte : unsigned char {};
   
   static inline auto byte_offset(void * ptr, ptrdiff_t n)
   {
     return static_cast<void *>(static_cast<byte *>(ptr) + n);
   }
   
   static inline auto byte_offset(const void * ptr, ptrdiff_t n)
   {
     return static_cast<const void *>(static_cast<const byte *>(ptr) + n);
   }
   
   #endif  // BYTEWISE_HPP_