binary.go

     1  // Copyright 2016 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  //go:build darwin || dragonfly || freebsd || netbsd || openbsd
     6  
     7  package routebsd
     8  
     9  import "internal/byteorder"
    10  
    11  // This file contains duplicates of encoding/binary package.
    12  //
    13  // This package is supposed to be used by the net package of standard
    14  // library. Therefore the package set used in the package must be the
    15  // same as net package.
    16  
    17  var (
    18  	littleEndian binaryLittleEndian
    19  	bigEndian    binaryBigEndian
    20  )
    21  
    22  type binaryByteOrder interface {
    23  	Uint16([]byte) uint16
    24  	Uint32([]byte) uint32
    25  	Uint64([]byte) uint64
    26  }
    27  
    28  type binaryLittleEndian struct{}
    29  
    30  func (binaryLittleEndian) Uint16(b []byte) uint16 {
    31  	return byteorder.LEUint16(b)
    32  }
    33  
    34  func (binaryLittleEndian) Uint32(b []byte) uint32 {
    35  	return byteorder.LEUint32(b)
    36  }
    37  
    38  func (binaryLittleEndian) Uint64(b []byte) uint64 {
    39  	return byteorder.LEUint64(b)
    40  }
    41  
    42  type binaryBigEndian struct{}
    43  
    44  func (binaryBigEndian) Uint16(b []byte) uint16 {
    45  	return byteorder.BEUint16(b)
    46  }
    47  
    48  func (binaryBigEndian) Uint32(b []byte) uint32 {
    49  	return byteorder.BEUint32(b)
    50  }
    51  
    52  func (binaryBigEndian) Uint64(b []byte) uint64 {
    53  	return byteorder.BEUint64(b)
    54  }
    55
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