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// Copyright 2014 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 darwin freebsd linux
package ipv4
import (
"net"
"os"
"unsafe"
"golang.org/x/net/internal/iana"
)
func setsockoptGroupReq(fd, name int, ifi *net.Interface, grp net.IP) error {
var gr sysGroupReq
if ifi != nil {
gr.Interface = uint32(ifi.Index)
}
gr.setGroup(grp)
return os.NewSyscallError("setsockopt", setsockopt(fd, iana.ProtocolIP, name, unsafe.Pointer(&gr), sysSizeofGroupReq))
}
func setsockoptGroupSourceReq(fd, name int, ifi *net.Interface, grp, src net.IP) error {
var gsr sysGroupSourceReq
if ifi != nil {
gsr.Interface = uint32(ifi.Index)
}
gsr.setSourceGroup(grp, src)
return os.NewSyscallError("setsockopt", setsockopt(fd, iana.ProtocolIP, name, unsafe.Pointer(&gsr), sysSizeofGroupSourceReq))
}
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