From 0b388280ce5b5cc960909e35a7476cc1ab44d626 Mon Sep 17 00:00:00 2001
From: Darien Raymond <admin@v2ray.com>
Date: Wed, 29 Aug 2018 16:42:03 +0200
Subject: [PATCH] simplify writing

---
 common/buf/writer.go | 14 +++-----------
 1 file changed, 3 insertions(+), 11 deletions(-)

diff --git a/common/buf/writer.go b/common/buf/writer.go
index 51b104641..66d24b0e2 100644
--- a/common/buf/writer.go
+++ b/common/buf/writer.go
@@ -140,17 +140,9 @@ func (w *BufferedWriter) Flush() error {
 	w.buffer = nil
 
 	if writer, ok := w.writer.(io.Writer); ok {
-		defer b.Release()
-
-		for !b.IsEmpty() {
-			n, err := writer.Write(b.Bytes())
-			if err != nil {
-				return err
-			}
-			b.Advance(int32(n))
-		}
-
-		return nil
+		err := WriteAllBytes(writer, b.Bytes())
+		b.Release()
+		return err
 	}
 
 	return w.writer.WriteMultiBuffer(NewMultiBufferValue(b))