| // Copyright 2013 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| // +build aix darwin dragonfly freebsd linux netbsd openbsd solaris windows |
| |
| package ipv6 |
| |
| import ( |
| "net" |
| "unsafe" |
| |
| "golang.org/x/net/internal/socket" |
| ) |
| |
| func (so *sockOpt) setIPMreq(c *socket.Conn, ifi *net.Interface, grp net.IP) error { |
| var mreq ipv6Mreq |
| copy(mreq.Multiaddr[:], grp) |
| if ifi != nil { |
| mreq.setIfindex(ifi.Index) |
| } |
| b := (*[sizeofIPv6Mreq]byte)(unsafe.Pointer(&mreq))[:sizeofIPv6Mreq] |
| return so.Set(c, b) |
| } |