Method reset

test/write.cpp:54–62

  }

  void reset(size_t length = max_length)
  {
    BOOST_ASIO_CHECK(length <= max_length);

    memset(data_, 0, max_length);
    length_ = length;
    position_ = 0;
    next_write_length_ = length;
  }

  void next_write_length(size_t length)
  {