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byteorder.go
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/
byteorder.go
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// Copyright (c) 2019 Tigera, Inc. All rights reserved.
// 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 bpf
import (
"encoding/binary"
"unsafe"
)
var nativeEndian binary.ByteOrder
// In lack of binary.NativeEndian ...
func init() {
var i int32 = 0x01020304
u := unsafe.Pointer(&i)
pb := (*byte)(u)
b := *pb
if b == 0x04 {
nativeEndian = binary.LittleEndian
} else {
nativeEndian = binary.BigEndian
}
}