FM / detail

/usr/include/boost/beast/core/detail

Name	Size	Mode	Actions
impl/	-	0755	rm
allocator.hpp	945	0644	edit dl rm
async_base.hpp	901	0644	edit dl rm
base64.hpp	1942	0644	edit dl rm
base64.ipp	6170	0644	edit dl rm
bind_continuation.hpp	3504	0644	edit dl rm
bind_default_executor.hpp	3243	0644	edit dl rm
bind_handler.hpp	10959	0644	edit dl rm
buffer.hpp	1825	0644	edit dl rm
buffers_pair.hpp	2636	0644	edit dl rm
buffers_range_adaptor.hpp	2651	0644	edit dl rm
buffers_ref.hpp	1648	0644	edit dl rm
buffer_traits.hpp	2095	0644	edit dl rm
chacha.hpp	4167	0644	edit dl rm
char_buffer.hpp	1407	0644	edit dl rm
clamp.hpp	1229	0644	edit dl rm
config.hpp	2884	0644	edit dl rm
cpu_info.hpp	1787	0644	edit dl rm
flat_stream.hpp	1919	0644	edit dl rm
get_io_context.hpp	2338	0644	edit dl rm
is_invocable.hpp	1888	0644	edit dl rm
ostream.hpp	7004	0644	edit dl rm
pcg.hpp	1464	0644	edit dl rm
read.hpp	9217	0644	edit dl rm
remap_post_to_defer.hpp	2152	0644	edit dl rm
service_base.hpp	850	0644	edit dl rm
sha1.hpp	1624	0644	edit dl rm
sha1.ipp	7998	0644	edit dl rm
static_const.hpp	1154	0644	edit dl rm
static_ostream.hpp	3030	0644	edit dl rm
static_string.hpp	3030	0644	edit dl rm
stream_base.hpp	2685	0644	edit dl rm
stream_traits.hpp	2796	0644	edit dl rm
string.hpp	898	0644	edit dl rm
temporary_buffer.hpp	1611	0644	edit dl rm
tuple.hpp	2194	0644	edit dl rm
type_traits.hpp	2779	0644	edit dl rm
variant.hpp	4889	0644	edit dl rm
varint.hpp	1712	0644	edit dl rm
win32_unicode_path.hpp	2148	0644	edit dl rm
work_guard.hpp	1851	0644	edit dl rm

Edit: /usr/include/boost/beast/core/detail/flat_stream.hpp (1919B)

//
// 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_CORE_DETAIL_FLAT_STREAM_HPP
#define BOOST_BEAST_CORE_DETAIL_FLAT_STREAM_HPP

#include <boost/beast/core/buffer_traits.hpp>
#include <boost/asio/buffer.hpp>
#include <cstdlib>

namespace boost {
namespace beast {
namespace detail {

class flat_stream_base
{
public:
    // Largest buffer size we will flatten.
    // 16KB is the upper limit on reasonably sized HTTP messages.
    static std::size_t constexpr max_size = 16 * 1024;

// Largest stack we will use to flatten
    static std::size_t constexpr max_stack = 8 * 1024;

struct flatten_result
    {
        std::size_t size;
        bool flatten;
    };

// calculates the flatten settings for a buffer sequence
    template<class BufferSequence>
    static
    flatten_result
    flatten(
        BufferSequence const& buffers, std::size_t limit)
    {
        flatten_result result{0, false};
        auto first = net::buffer_sequence_begin(buffers);
        auto last = net::buffer_sequence_end(buffers);
        if(first != last)
        {
            result.size = buffer_bytes(*first);
            if(result.size < limit)
            {
                auto it = first;
                auto prev = first;
                while(++it != last)
                {
                    auto const n = buffer_bytes(*it);
                    if(result.size + n > limit)
                        break;
                    result.size += n;
                    prev = it;
                }
                result.flatten = prev != first;
            }
        }
        return result;
    }
};

} // detail
} // beast
} // boost

#endif

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