Author :
Greg Hazel
Date :
2018-03-20 18:04:53
Hash :4ba48739 Message :don't fail be_null_filter if bytes are copied
Otherwise it will not reset timeouts for the IO, but other things should
still works correctly.
Also evbuffer_remove_buffer() could return 0, due to empty buffers, for
example during flushing bufferevent, so let's count this is BEV_OK too.