35 lines
975 B
C++
35 lines
975 B
C++
|
//
|
||
|
|
// Copyright (c) 2019-2024 Ruben Perez Hidalgo (rubenperez038 at gmail dot com)
|
||
|
|
//
|
||
|
|
// Distributed under the Boost Software License, Version 1.0. (See accompanying
|
||
|
|
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
||
|
|
//
|
||
|
|
|
||
|
|
#ifndef BOOST_MYSQL_IMPL_INTERNAL_BYTE_TO_HEX_HPP
|
||
|
|
#define BOOST_MYSQL_IMPL_INTERNAL_BYTE_TO_HEX_HPP
|
||
|
|
|
||
|
|
#include <boost/config.hpp>
|
||
|
|
|
||
|
|
namespace boost {
|
||
|
|
namespace mysql {
|
||
|
|
namespace detail {
|
||
|
|
|
||
|
|
// We implement the translation to hex ourselves, since it's easy enough.
|
||
|
|
// We use a table to look up characters
|
||
|
|
BOOST_INLINE_CONSTEXPR char byte_to_hex_table[16] =
|
||
|
|
{'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
|
||
|
|
|
||
|
|
// it should point to a buffer of size 2, at least
|
||
|
|
inline char* byte_to_hex(unsigned char byte, char* it)
|
||
|
|
{
|
||
|
|
*it++ = byte_to_hex_table[(byte & ~15) >> 4];
|
||
|
|
*it++ = byte_to_hex_table[byte & 15];
|
||
|
|
return it;
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace detail
|
||
|
|
} // namespace mysql
|
||
|
|
} // namespace boost
|
||
|
|
|
||
|
|
#endif
|