Update dependencies

vendor/github.com/google/nftables/binaryutil/binaryutil.go

@@ -0,0 +1,125 @@
+// Copyright 2018 Google LLC. 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 binaryutil contains convenience wrappers around encoding/binary.
+package binaryutil
+
+import (
+	"bytes"
+	"encoding/binary"
+	"unsafe"
+)
+
+// ByteOrder is like binary.ByteOrder, but allocates memory and returns byte
+// slices, for convenience.
+type ByteOrder interface {
+	PutUint16(v uint16) []byte
+	PutUint32(v uint32) []byte
+	PutUint64(v uint64) []byte
+	Uint16(b []byte) uint16
+	Uint32(b []byte) uint32
+	Uint64(b []byte) uint64
+}
+
+// NativeEndian is either little endian or big endian, depending on the native
+// endian-ness, and allocates memory and returns byte slices, for convenience.
+var NativeEndian ByteOrder = &nativeEndian{}
+
+type nativeEndian struct{}
+
+func (nativeEndian) PutUint16(v uint16) []byte {
+	buf := make([]byte, 2)
+	*(*uint16)(unsafe.Pointer(&buf[0])) = v
+	return buf
+}
+
+func (nativeEndian) PutUint32(v uint32) []byte {
+	buf := make([]byte, 4)
+	*(*uint32)(unsafe.Pointer(&buf[0])) = v
+	return buf
+}
+
+func (nativeEndian) PutUint64(v uint64) []byte {
+	buf := make([]byte, 8)
+	*(*uint64)(unsafe.Pointer(&buf[0])) = v
+	return buf
+}
+
+func (nativeEndian) Uint16(b []byte) uint16 {
+	return *(*uint16)(unsafe.Pointer(&b[0]))
+}
+
+func (nativeEndian) Uint32(b []byte) uint32 {
+	return *(*uint32)(unsafe.Pointer(&b[0]))
+}
+
+func (nativeEndian) Uint64(b []byte) uint64 {
+	return *(*uint64)(unsafe.Pointer(&b[0]))
+}
+
+// BigEndian is like binary.BigEndian, but allocates memory and returns byte
+// slices, for convenience.
+var BigEndian ByteOrder = &bigEndian{}
+
+type bigEndian struct{}
+
+func (bigEndian) PutUint16(v uint16) []byte {
+	buf := make([]byte, 2)
+	binary.BigEndian.PutUint16(buf, v)
+	return buf
+}
+
+func (bigEndian) PutUint32(v uint32) []byte {
+	buf := make([]byte, 4)
+	binary.BigEndian.PutUint32(buf, v)
+	return buf
+}
+
+func (bigEndian) PutUint64(v uint64) []byte {
+	buf := make([]byte, 8)
+	binary.BigEndian.PutUint64(buf, v)
+	return buf
+}
+
+func (bigEndian) Uint16(b []byte) uint16 {
+	return binary.BigEndian.Uint16(b)
+}
+
+func (bigEndian) Uint32(b []byte) uint32 {
+	return binary.BigEndian.Uint32(b)
+}
+
+func (bigEndian) Uint64(b []byte) uint64 {
+	return binary.BigEndian.Uint64(b)
+}
+
+// For dealing with types not supported by the encoding/binary interface
+
+func PutInt32(v int32) []byte {
+	buf := make([]byte, 4)
+	*(*int32)(unsafe.Pointer(&buf[0])) = v
+	return buf
+}
+
+func Int32(b []byte) int32 {
+	return *(*int32)(unsafe.Pointer(&b[0]))
+}
+
+func PutString(s string) []byte {
+	return []byte(s)
+}
+
+func String(b []byte) string {
+	return string(bytes.TrimRight(b, "\x00"))
+}