/usr/include/boost/beast/core/detail
Edit: /usr/include/boost/beast/core/detail/base64.hpp (1942B)
//
// Copyright (c) 2016-2019 Vinnie Falco (vinnie dot falco 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)
//
// Official repository: https://github.com/boostorg/beast
//
#ifndef BOOST_BEAST_DETAIL_BASE64_HPP
#define BOOST_BEAST_DETAIL_BASE64_HPP
#include
#include
#include
namespace boost {
namespace beast {
namespace detail {
namespace base64 {
BOOST_BEAST_DECL
char const*
get_alphabet();
BOOST_BEAST_DECL
signed char const*
get_inverse();
/// Returns max chars needed to encode a base64 string
BOOST_BEAST_DECL
std::size_t constexpr
encoded_size(std::size_t n)
{
return 4 * ((n + 2) / 3);
}
/// Returns max bytes needed to decode a base64 string
inline
std::size_t constexpr
decoded_size(std::size_t n)
{
return n / 4 * 3; // requires n&3==0, smaller
}
/** Encode a series of octets as a padded, base64 string.
The resulting string will not be null terminated.
@par Requires
The memory pointed to by `out` points to valid memory
of at least `encoded_size(len)` bytes.
@return The number of characters written to `out`. This
will exclude any null termination.
*/
BOOST_BEAST_DECL
std::size_t
encode(void* dest, void const* src, std::size_t len);
/** Decode a padded base64 string into a series of octets.
@par Requires
The memory pointed to by `out` points to valid memory
of at least `decoded_size(len)` bytes.
@return The number of octets written to `out`, and
the number of characters read from the input string,
expressed as a pair.
*/
BOOST_BEAST_DECL
std::pair
decode(void* dest, char const* src, std::size_t len);
} // base64
} // detail
} // beast
} // boost
#ifdef BOOST_BEAST_HEADER_ONLY
#include
#endif
#endif