config.hpp
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#ifndef PROTOZERO_CONFIG_HPP
#define PROTOZERO_CONFIG_HPP
/*****************************************************************************
protozero - Minimalistic protocol buffer decoder and encoder in C++.
This file is from https://github.com/mapbox/protozero where you can find more
documentation.
*****************************************************************************/
#include <cassert>
#define PROTOZERO_LITTLE_ENDIAN 1234
#define PROTOZERO_BIG_ENDIAN 4321
// Find out which byte order the machine has.
#if defined(__BYTE_ORDER)
# if (__BYTE_ORDER == __LITTLE_ENDIAN)
# define PROTOZERO_BYTE_ORDER PROTOZERO_LITTLE_ENDIAN
# endif
# if (__BYTE_ORDER == __BIG_ENDIAN)
# define PROTOZERO_BYTE_ORDER PROTOZERO_BIG_ENDIAN
# endif
#else
// This probably isn't a very good default, but might do until we figure
// out something better.
# define PROTOZERO_BYTE_ORDER PROTOZERO_LITTLE_ENDIAN
#endif
// Check whether __builtin_bswap is available
#if defined(__GNUC__) || defined(__clang__)
# define PROTOZERO_USE_BUILTIN_BSWAP
#endif
// Wrapper for assert() used for testing
#ifndef protozero_assert
# define protozero_assert(x) assert(x)
#endif
#endif // PROTOZERO_CONFIG_HPP