From 014520c7fd5e84bdd3d75352c4797c7402c45631 Mon Sep 17 00:00:00 2001
From: unclejack <unclejacksons@gmail.com>
Date: Mon, 29 Jun 2015 23:27:54 +0300
Subject: [PATCH] daemon: lower allocations

Signed-off-by: Cristian Staretu <cristian.staretu@gmail.com>
---
 pools/pools.go | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/pools/pools.go b/pools/pools.go
index f366fa6..c34ea92 100644
--- a/pools/pools.go
+++ b/pools/pools.go
@@ -57,6 +57,14 @@ func (bufPool *BufioReaderPool) Put(b *bufio.Reader) {
 	bufPool.pool.Put(b)
 }
 
+// Copy is a convenience wrapper which uses a buffer to avoid allocation in io.Copy
+func Copy(dst io.Writer, src io.Reader) (written int64, err error) {
+	buf := BufioReader32KPool.Get(src)
+	written, err = io.Copy(dst, buf)
+	BufioReader32KPool.Put(buf)
+	return
+}
+
 // NewReadCloserWrapper returns a wrapper which puts the bufio.Reader back
 // into the pool and closes the reader if it's an io.ReadCloser.
 func (bufPool *BufioReaderPool) NewReadCloserWrapper(buf *bufio.Reader, r io.Reader) io.ReadCloser {