golang.org/x/net@v0.25.1-0.20240516223405-c87a5b62e243/internal/socket/sys.go (about)

     1  // Copyright 2017 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  package socket
     6  
     7  import (
     8  	"encoding/binary"
     9  	"unsafe"
    10  )
    11  
    12  // NativeEndian is the machine native endian implementation of ByteOrder.
    13  var NativeEndian binary.ByteOrder
    14  
    15  func init() {
    16  	i := uint32(1)
    17  	b := (*[4]byte)(unsafe.Pointer(&i))
    18  	if b[0] == 1 {
    19  		NativeEndian = binary.LittleEndian
    20  	} else {
    21  		NativeEndian = binary.BigEndian
    22  	}
    23  }