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