25 lines
618 B
Go
25 lines
618 B
Go
|
// 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.
|
||
|
|
|
||
|
|
//go: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)
|
||
|
|
}
|