Method write_avail

include/iocore/eventsystem/IOBuffer.h:348–352

Space available in the buffer. Returns the number of bytes that can be written to the data buffer. @return space available for writing in this IOBufferBlock. */

    @return space available for writing in this IOBufferBlock.
  */
  int64_t
  write_avail()
  {
    return static_cast<int64_t>(_buf_end - _end);
  }

  /**
    Size of the memory allocated by the underlying IOBufferData.