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Revert "use std encoding lib"

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This commit is contained in:
Chris Lu
2019-08-23 07:59:09 -07:00
committed by GitHub
parent fa160e00f3
commit 35d471a818
3 changed files with 6 additions and 90 deletions
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33
weed/util/bytes.go
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@@ -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)
}