From 81cc33f1edfc7a7545cb75c51c6fa1974a467f52 Mon Sep 17 00:00:00 2001
From: Jack Christensen <jack@jackchristensen.com>
Date: Fri, 4 Jul 2014 13:29:23 -0500
Subject: [PATCH] Use writeBuf more

---
 conn.go | 30 +++++++++++-------------------
 1 file changed, 11 insertions(+), 19 deletions(-)

diff --git a/conn.go b/conn.go
index 9b7514f7..ccd2b593 100644
--- a/conn.go
+++ b/conn.go
@@ -416,29 +416,21 @@ func (c *Conn) Prepare(name, sql string) (ps *PreparedStatement, err error) {
 	}()
 
 	// parse
-	buf := c.getBuf()
-	buf.WriteString(name)
-	buf.WriteByte(0)
-	buf.WriteString(sql)
-	buf.WriteByte(0)
-	binary.Write(buf, binary.BigEndian, int16(0))
-	err = c.txMsg('P', buf)
-	if err != nil {
-		return nil, err
-	}
+	wbuf := newWriteBuf(c.wbuf[0:0], 'P')
+	wbuf.WriteCString(name)
+	wbuf.WriteCString(sql)
+	wbuf.WriteInt16(0)
 
 	// describe
-	buf = c.getBuf()
-	buf.WriteByte('S')
-	buf.WriteString(name)
-	buf.WriteByte(0)
-	err = c.txMsg('D', buf)
-	if err != nil {
-		return nil, err
-	}
+	wbuf.startMsg('D')
+	wbuf.WriteByte('S')
+	wbuf.WriteCString(name)
 
 	// sync
-	err = c.txMsg('S', c.getBuf())
+	wbuf.startMsg('S')
+	wbuf.closeMsg()
+
+	_, err = c.conn.Write(wbuf.buf)
 	if err != nil {
 		return nil, err
 	}