Program Listing for File check_endian.hpp
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// -*-c++-*---------------------------------------------------------------------------------------
// Copyright 2022 Bernd Pfrommer <bernd.pfrommer@gmail.com>
//
// 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 LIBCAER_DRIVER__CHECK_ENDIAN_HPP_
#define LIBCAER_DRIVER__CHECK_ENDIAN_HPP_
#include <cstdint>
namespace libcaer_driver
{
namespace check_endian
{
// check endianness
inline bool isBigEndian()
{
const union {
uint32_t i;
char c[4];
} combined_int = {0x01020304}; // from stackoverflow
return (combined_int.c[0] == 1);
}
} // namespace check_endian
} // namespace libcaer_driver
#endif // LIBCAER_DRIVER__CHECK_ENDIAN_HPP_