diff options
-rw-r--r-- | src/stream.rs | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/stream.rs b/src/stream.rs index 82f7be3..88c3fed 100644 --- a/src/stream.rs +++ b/src/stream.rs @@ -101,13 +101,15 @@ impl ByteStreamReader { } } - /// Tries to fill the internal read buffer from the underlying stream. + /// Tries to fill the internal read buffer from the underlying stream if it is empty. /// Calling this might be necessary to ensure that `.eos()` returns a correct /// result, otherwise the reader might not be aware that the underlying /// stream has nothing left to return. pub async fn fill_buffer(&mut self) { - let packet = self.stream.next().await; - self.add_stream_next(packet); + if self.buf.is_empty() { + let packet = self.stream.next().await; + self.add_stream_next(packet); + } } /// Clears the internal read buffer and returns its content |