1 // socket_bsd.go -- Socket handling specific to *BSD based systems.
3 // Copyright 2010 The Go Authors. All rights reserved.
4 // Use of this source code is governed by a BSD-style
5 // license that can be found in the LICENSE file.
9 const SizeofSockaddrInet4 = 16
10 const SizeofSockaddrInet6 = 28
11 const SizeofSockaddrUnix = 110
13 type RawSockaddrInet4 struct {
17 Addr [4]byte /* in_addr */;
21 func (sa *RawSockaddrInet4) setLen() Socklen_t {
22 sa.Len = SizeofSockaddrInet4
23 return SizeofSockaddrInet4
26 type RawSockaddrInet6 struct {
31 Addr [16]byte /* in6_addr */;
35 func (sa *RawSockaddrInet6) setLen() Socklen_t {
36 sa.Len = SizeofSockaddrInet6
37 return SizeofSockaddrInet6
40 type RawSockaddrUnix struct {
46 func (sa *RawSockaddrUnix) setLen(n int) {
47 sa.Len = uint8(3 + n) // 2 for Family, Len; 1 for NUL.
50 func (sa *RawSockaddrUnix) getLen() (int, int) {
51 if sa.Len < 3 || sa.Len > SizeofSockaddrUnix {
54 n := int(sa.Len) - 3 // subtract leading Family, Len, terminating NUL.
55 for i := 0; i < n; i++ {
57 // found early NUL; assume Len is overestimating.
65 type RawSockaddr struct {
71 // BindToDevice binds the socket associated with fd to device.
72 func BindToDevice(fd int, device string) (errno int) {
76 func anyToSockaddrOS(rsa *RawSockaddrAny) (Sockaddr, int) {
77 return nil, EAFNOSUPPORT;