From 35d471a8183f0e6ce9502bdcbec94b040463f002 Mon Sep 17 00:00:00 2001
From: Chris Lu <chrislusf@users.noreply.github.com>
Date: Fri, 23 Aug 2019 07:59:09 -0700
Subject: [PATCH] Revert "use std encoding lib"

---
 go.mod                  |  1 -
 weed/util/bytes.go      | 33 ++++------------------
 weed/util/bytes_test.go | 62 -----------------------------------------
 3 files changed, 6 insertions(+), 90 deletions(-)
 delete mode 100644 weed/util/bytes_test.go

diff --git a/go.mod b/go.mod
index d12efece7..684db68cc 100644
--- a/go.mod
+++ b/go.mod
@@ -12,7 +12,6 @@ require (
 	github.com/disintegration/imaging v1.6.0
 	github.com/dustin/go-humanize v1.0.0
 	github.com/gabriel-vasile/mimetype v0.3.15
-	github.com/go-logfmt/logfmt v0.4.0 // indirect
 	github.com/go-redis/redis v6.15.2+incompatible
 	github.com/go-sql-driver/mysql v1.4.1
 	github.com/gocql/gocql v0.0.0-20190717234527-2ba2dd7440dc
diff --git a/weed/util/bytes.go b/weed/util/bytes.go
index 68279cefc..dfa4ae665 100644
--- a/weed/util/bytes.go
+++ b/weed/util/bytes.go
@@ -1,10 +1,8 @@
 package util
 
-import "encoding/binary"
-
 // big endian
 
-func BytesToUint64Old(b []byte) (v uint64) {
+func BytesToUint64(b []byte) (v uint64) {
 	length := uint(len(b))
 	for i := uint(0); i < length-1; i++ {
 		v += uint64(b[i])
@@ -13,7 +11,7 @@ func BytesToUint64Old(b []byte) (v uint64) {
 	v += uint64(b[length-1])
 	return
 }
-func BytesToUint32Old(b []byte) (v uint32) {
+func BytesToUint32(b []byte) (v uint32) {
 	length := uint(len(b))
 	for i := uint(0); i < length-1; i++ {
 		v += uint32(b[i])
@@ -22,45 +20,26 @@ func BytesToUint32Old(b []byte) (v uint32) {
 	v += uint32(b[length-1])
 	return
 }
-func BytesToUint16Old(b []byte) (v uint16) {
+func BytesToUint16(b []byte) (v uint16) {
 	v += uint16(b[0])
 	v <<= 8
 	v += uint16(b[1])
 	return
 }
-func Uint64toBytesOld(b []byte, v uint64) {
+func Uint64toBytes(b []byte, v uint64) {
 	for i := uint(0); i < 8; i++ {
 		b[7-i] = byte(v >> (i * 8))
 	}
 }
-func Uint32toBytesOld(b []byte, v uint32) {
+func Uint32toBytes(b []byte, v uint32) {
 	for i := uint(0); i < 4; i++ {
 		b[3-i] = byte(v >> (i * 8))
 	}
 }
-func Uint16toBytesOld(b []byte, v uint16) {
+func Uint16toBytes(b []byte, v uint16) {
 	b[0] = byte(v >> 8)
 	b[1] = byte(v)
 }
-
-func BytesToUint64(b []byte) (v uint64) {
-	return binary.BigEndian.Uint64(b)
-}
-func BytesToUint32(b []byte) (v uint32) {
-	return binary.BigEndian.Uint32(b)
-}
-func BytesToUint16(b []byte) (v uint16) {
-	return binary.BigEndian.Uint16(b)
-}
-func Uint64toBytes(b []byte, v uint64) {
-	binary.BigEndian.PutUint64(b, v)
-}
-func Uint32toBytes(b []byte, v uint32) {
-	binary.BigEndian.PutUint32(b, v)
-}
-func Uint16toBytes(b []byte, v uint16) {
-	binary.BigEndian.PutUint16(b, v)
-}
 func Uint8toBytes(b []byte, v uint8) {
 	b[0] = byte(v)
 }
diff --git a/weed/util/bytes_test.go b/weed/util/bytes_test.go
deleted file mode 100644
index 4e6b3f294..000000000
--- a/weed/util/bytes_test.go
+++ /dev/null
@@ -1,62 +0,0 @@
-package util
-
-import (
-	"reflect"
-	"testing"
-)
-
-// go test github.com/chrislusf/seaweedfs/weed/util -run '^(TestAll)$' -v
-
-func TestAll(t *testing.T) {
-	for i := 0; i <= 0xff; i += 7 {
-		assertU16(t, uint16(i))
-	}
-	for i := 0; i <= 0xffff; i += 211 {
-		assertU32(t, uint32(i))
-	}
-	for i := 0; i <= 0xffffffff; i += 1000000007 {
-		assertU64(t, uint64(i))
-	}
-}
-
-func assertU16(t *testing.T, i uint16) {
-	var buf1, buf2 [2]byte
-	Uint16toBytesOld(buf1[:], i)
-	Uint16toBytes(buf2[:], i)
-	if !reflect.DeepEqual(buf1, buf2) {
-		t.Errorf("i: %d, buf1: %v, buf2: %v\n", i, buf1, buf2)
-	}
-	v1 := BytesToUint16Old(buf1[:])
-	v2 := BytesToUint16(buf2[:])
-	if v1 != v2 {
-		t.Errorf("buf1: %v, v1: %d, buf2: %v, v2: %d\n", buf1, v1, buf2, v2)
-	}
-}
-
-func assertU32(t *testing.T, i uint32) {
-	var buf1, buf2 [4]byte
-	Uint32toBytesOld(buf1[:], i)
-	Uint32toBytes(buf2[:], i)
-	if !reflect.DeepEqual(buf1, buf2) {
-		t.Errorf("i: %d, buf1: %v, buf2: %v\n", i, buf1, buf2)
-	}
-	v1 := BytesToUint32Old(buf1[:])
-	v2 := BytesToUint32(buf2[:])
-	if v1 != v2 {
-		t.Errorf("buf1: %v, v1: %d, buf2: %v, v2: %d\n", buf1, v1, buf2, v2)
-	}
-}
-
-func assertU64(t *testing.T, i uint64) {
-	var buf1, buf2 [8]byte
-	Uint64toBytesOld(buf1[:], i)
-	Uint64toBytes(buf2[:], i)
-	if !reflect.DeepEqual(buf1, buf2) {
-		t.Errorf("i: %d, buf1: %v, buf2: %v\n", i, buf1, buf2)
-	}
-	v1 := BytesToUint64Old(buf1[:])
-	v2 := BytesToUint64(buf2[:])
-	if v1 != v2 {
-		t.Errorf("buf1: %v, v1: %d, buf2: %v, v2: %d\n", buf1, v1, buf2, v2)
-	}
-}