38 lines
805 B
C++
38 lines
805 B
C++
#pragma once
|
|
|
|
#include <cstdint>
|
|
#include <bit>
|
|
#include <iostream>
|
|
|
|
template <typename T>
|
|
struct uint_le_be {
|
|
const uint8_t le[(sizeof (T))];
|
|
const uint8_t be[(sizeof (T))];
|
|
|
|
T get() const {
|
|
union {
|
|
uint8_t u8[(sizeof (T))];
|
|
T uint;
|
|
} value;
|
|
static_assert((sizeof (value)) == (sizeof (T)));
|
|
|
|
if constexpr (std::endian::native == std::endian::little) {
|
|
for (uint32_t i = 0; i < (sizeof (T)); i++) {
|
|
value.u8[i] = le[i];
|
|
}
|
|
return value.uint;
|
|
} else {
|
|
for (uint32_t i = 0; i < (sizeof (T)); i++) {
|
|
value.u8[i] = be[i];
|
|
}
|
|
return value.uint;
|
|
}
|
|
}
|
|
};
|
|
|
|
using uint16_le_be = uint_le_be<uint16_t>;
|
|
using uint32_le_be = uint_le_be<uint32_t>;
|
|
|
|
static_assert((sizeof (uint16_le_be)) == 4);
|
|
static_assert((sizeof (uint32_le_be)) == 8);
|