From 69343c5951a7e6a6e272393c1946c12d635b51b8 Mon Sep 17 00:00:00 2001
From: Chris Lu <chris.lu@gmail.com>
Date: Sun, 31 Aug 2014 23:25:54 -0700
Subject: adding ttl field to volume super block

---
 go/util/bytes.go | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'go/util/bytes.go')

diff --git a/go/util/bytes.go b/go/util/bytes.go
index 6cc3d7018..dfa4ae665 100644
--- a/go/util/bytes.go
+++ b/go/util/bytes.go
@@ -1,5 +1,7 @@
 package util
 
+// big endian
+
 func BytesToUint64(b []byte) (v uint64) {
 	length := uint(len(b))
 	for i := uint(0); i < length-1; i++ {
@@ -18,6 +20,12 @@ func BytesToUint32(b []byte) (v uint32) {
 	v += uint32(b[length-1])
 	return
 }
+func BytesToUint16(b []byte) (v uint16) {
+	v += uint16(b[0])
+	v <<= 8
+	v += uint16(b[1])
+	return
+}
 func Uint64toBytes(b []byte, v uint64) {
 	for i := uint(0); i < 8; i++ {
 		b[7-i] = byte(v >> (i * 8))
@@ -28,6 +36,10 @@ func Uint32toBytes(b []byte, v uint32) {
 		b[3-i] = byte(v >> (i * 8))
 	}
 }
+func Uint16toBytes(b []byte, v uint16) {
+	b[0] = byte(v >> 8)
+	b[1] = byte(v)
+}
 func Uint8toBytes(b []byte, v uint8) {
 	b[0] = byte(v)
 }
-- 
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