libgo/go/net/cgo_sockold.go

   1 // Copyright 2015 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 // +build cgo,!netgo
   6 // +build aix darwin dragonfly freebsd netbsd openbsd
   7
   8 package net
   9
  10 /*
  11 #include <sys/types.h>
  12 #include <sys/socket.h>
  13
  14 #include <netinet/in.h>
  15 */
  16
  17 import (
  18         "syscall"
  19         "unsafe"
  20 )
  21
  22 func cgoSockaddrInet4(ip IP) *syscall.RawSockaddr {
  23         sa := syscall.RawSockaddrInet4{Len: syscall.SizeofSockaddrInet4, Family: syscall.AF_INET}
  24         copy(sa.Addr[:], ip)
  25         return (*syscall.RawSockaddr)(unsafe.Pointer(&sa))
  26 }
  27
  28 func cgoSockaddrInet6(ip IP, zone int) *syscall.RawSockaddr {
  29         sa := syscall.RawSockaddrInet6{Len: syscall.SizeofSockaddrInet6, Family: syscall.AF_INET6, Scope_id: uint32(zone)}
  30         copy(sa.Addr[:], ip)
  31         return (*syscall.RawSockaddr)(unsafe.Pointer(&sa))
  32 }