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