src: clean up `req.bytes` tracking

Simply always tell the caller how many bytes were written, rather
than letting them track it.

In the case of writing a string, also keep track of the bytes
written by the earlier `DoTryWrite()`.

Refs: https://github.com/nodejs/node/issues/19562

PR-URL: https://github.com/nodejs/node/pull/19551
Reviewed-By: James M Snell <jasnell@gmail.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/src/stream_base.h b/src/stream_base.h
index 4fe4a8c48c..dfce7df44a 100644
--- a/src/stream_base.h
+++ b/src/stream_base.h
@@ -23,6 +23,7 @@ struct StreamWriteResult {
   bool async;
   int err;
   WriteWrap* wrap;
+  size_t bytes;
 };