Source file src/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	import "C"
    17	
    18	import (
    19		"syscall"
    20		"unsafe"
    21	)
    22	
    23	func cgoSockaddrInet4(ip IP) *C.struct_sockaddr {
    24		sa := syscall.RawSockaddrInet4{Len: syscall.SizeofSockaddrInet4, Family: syscall.AF_INET}
    25		copy(sa.Addr[:], ip)
    26		return (*C.struct_sockaddr)(unsafe.Pointer(&sa))
    27	}
    28	
    29	func cgoSockaddrInet6(ip IP, zone int) *C.struct_sockaddr {
    30		sa := syscall.RawSockaddrInet6{Len: syscall.SizeofSockaddrInet6, Family: syscall.AF_INET6, Scope_id: uint32(zone)}
    31		copy(sa.Addr[:], ip)
    32		return (*C.struct_sockaddr)(unsafe.Pointer(&sa))
    33	}
    34	

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