std::size_t write_at_buffer_sequence(SyncRandomAccessWriteDevice& d, uint64_t offset, const ConstBufferSequence& buffers, const ConstBufferIterator&, CompletionCondition completion_condition, boost::system::error_code& ec) { ec = boost::system::error_code(); boost::asio::detail::consuming_buffers<const_buffer, ConstBufferSequence, ConstBufferIterator> tmp(buffers); while (!tmp.empty()) { if (std::size_t max_size = detail::adapt_completion_condition_result( completion_condition(ec, tmp.total_consumed()))) { tmp.consume(d.write_some_at(offset + tmp.total_consumed(), tmp.prepare(max_size), ec)); } else break; } return tmp.total_consumed();; }
std::size_t write_at(SyncRandomAccessWriteDevice& d, lslboost::uint64_t offset, const ConstBufferSequence& buffers, CompletionCondition completion_condition, lslboost::system::error_code& ec) { ec = lslboost::system::error_code(); lslboost::asio::detail::consuming_buffers< const_buffer, ConstBufferSequence> tmp(buffers); std::size_t total_transferred = 0; tmp.prepare(detail::adapt_completion_condition_result( completion_condition(ec, total_transferred))); while (tmp.begin() != tmp.end()) { std::size_t bytes_transferred = d.write_some_at( offset + total_transferred, tmp, ec); tmp.consume(bytes_transferred); total_transferred += bytes_transferred; tmp.prepare(detail::adapt_completion_condition_result( completion_condition(ec, total_transferred))); } return total_transferred; }