From cb4e8ec16b5c204718f1efdc1731f1bdd5698ff3 Mon Sep 17 00:00:00 2001
From: Chris Lu <chris.lu@gmail.com>
Date: Sun, 10 Feb 2013 03:09:26 -0800
Subject: re-organize code directory structure

---
 src/weed/util/bytes.go | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 src/weed/util/bytes.go

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

diff --git a/src/weed/util/bytes.go b/src/weed/util/bytes.go
new file mode 100644
index 000000000..6cc3d7018
--- /dev/null
+++ b/src/weed/util/bytes.go
@@ -0,0 +1,33 @@
+package util
+
+func BytesToUint64(b []byte) (v uint64) {
+	length := uint(len(b))
+	for i := uint(0); i < length-1; i++ {
+		v += uint64(b[i])
+		v <<= 8
+	}
+	v += uint64(b[length-1])
+	return
+}
+func BytesToUint32(b []byte) (v uint32) {
+	length := uint(len(b))
+	for i := uint(0); i < length-1; i++ {
+		v += uint32(b[i])
+		v <<= 8
+	}
+	v += uint32(b[length-1])
+	return
+}
+func Uint64toBytes(b []byte, v uint64) {
+	for i := uint(0); i < 8; i++ {
+		b[7-i] = byte(v >> (i * 8))
+	}
+}
+func Uint32toBytes(b []byte, v uint32) {
+	for i := uint(0); i < 4; i++ {
+		b[3-i] = byte(v >> (i * 8))
+	}
+}
+func Uint8toBytes(b []byte, v uint8) {
+	b[0] = byte(v)
+}
-- 
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