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thirdparty-ArduinoJson/src/ArduinoJson/MsgPack/endianess.hpp
2018-10-02 16:54:05 +02:00

39 lines
883 B
C++

// ArduinoJson - arduinojson.org
// Copyright Benoit Blanchon 2014-2018
// MIT License
#pragma once
#include "../Polyfills/type_traits.hpp"
#include "../Polyfills/utility.hpp"
namespace ARDUINOJSON_NAMESPACE {
inline void fixEndianess(uint8_t* p, integral_constant<size_t, 8>) {
swap(p[0], p[7]);
swap(p[1], p[6]);
swap(p[2], p[5]);
swap(p[3], p[4]);
}
inline void fixEndianess(uint8_t* p, integral_constant<size_t, 4>) {
swap(p[0], p[3]);
swap(p[1], p[2]);
}
inline void fixEndianess(uint8_t* p, integral_constant<size_t, 2>) {
swap(p[0], p[1]);
}
inline void fixEndianess(uint8_t*, integral_constant<size_t, 1>) {}
template <typename T>
inline void fixEndianess(T& value) {
#if ARDUINOJSON_LITTLE_ENDIAN
fixEndianess(reinterpret_cast<uint8_t*>(&value),
integral_constant<size_t, sizeof(T)>());
#endif
}
} // namespace ARDUINOJSON_NAMESPACE