mirror of https://github.com/k3s-io/k3s
37 lines
1022 B
Go
37 lines
1022 B
Go
// Copyright 2017 The etcd Authors
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package cpuutil
|
|
|
|
import (
|
|
"encoding/binary"
|
|
"unsafe"
|
|
)
|
|
|
|
const intWidth int = int(unsafe.Sizeof(0))
|
|
|
|
var byteOrder binary.ByteOrder
|
|
|
|
// ByteOrder returns the byte order for the CPU's native endianness.
|
|
func ByteOrder() binary.ByteOrder { return byteOrder }
|
|
|
|
func init() {
|
|
i := int(0x1)
|
|
if v := (*[intWidth]byte)(unsafe.Pointer(&i)); v[0] == 0 {
|
|
byteOrder = binary.BigEndian
|
|
} else {
|
|
byteOrder = binary.LittleEndian
|
|
}
|
|
}
|