@@ -1,10 +1,12 @@

 package stdcopy

 import (

+	"bytes"

 	"encoding/binary"

 	"errors"

 	"fmt"

 	"io"

+	"sync"

 	"github.com/Sirupsen/logrus"

 )

@@ -28,6 +30,8 @@ const (

 	startingBufLen = 32*1024 + stdWriterPrefixLen + 1

 )

+var bufPool = &sync.Pool{New: func() interface{} { return bytes.NewBuffer(nil) }}

+

 // stdWriter is wrapper of io.Writer with extra customized info.

 type stdWriter struct {

 	io.Writer

@@ -35,28 +39,31 @@ type stdWriter struct {

 }

 // Write sends the buffer to the underneath writer.

-// It insert the prefix header before the buffer,

+// It inserts the prefix header before the buffer,

 // so stdcopy.StdCopy knows where to multiplex the output.

 // It makes stdWriter to implement io.Writer.

-func (w *stdWriter) Write(buf []byte) (n int, err error) {

+func (w *stdWriter) Write(p []byte) (n int, err error) {

 	if w == nil || w.Writer == nil {

 		return 0, errors.New("Writer not instantiated")

 	}

-	if buf == nil {

+	if p == nil {

 		return 0, nil

 	}

 	header := [stdWriterPrefixLen]byte{stdWriterFdIndex: w.prefix}

-	binary.BigEndian.PutUint32(header[stdWriterSizeIndex:], uint32(len(buf)))

-

-	line := append(header[:], buf...)

+	binary.BigEndian.PutUint32(header[stdWriterSizeIndex:], uint32(len(p)))

+	buf := bufPool.Get().(*bytes.Buffer)

+	buf.Write(header[:])

+	buf.Write(p)

-	n, err = w.Writer.Write(line)

+	n, err = w.Writer.Write(buf.Bytes())

 	n -= stdWriterPrefixLen

-

 	if n < 0 {

 		n = 0

 	}

+

+	buf.Reset()

+	bufPool.Put(buf)

 	return

 }