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// Copyright 2011 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.
// Routing sockets and messages for OpenBSD
package syscall
import (
"unsafe"
)
func (any *anyMessage) toRoutingMessage(buf []byte) RoutingMessage {
switch any.Type {
case RTM_ADD, RTM_DELETE, RTM_CHANGE, RTM_GET, RTM_LOSING, RTM_REDIRECT, RTM_MISS, RTM_LOCK, RTM_RESOLVE:
p := (*RouteMessage)(unsafe.Pointer(any))
rtm := &RouteMessage{}
rtm.Header = p.Header
rtm.Data = buf[SizeofRtMsghdr:any.Msglen]
return rtm
case RTM_IFINFO:
p := (*InterfaceMessage)(unsafe.Pointer(any))
ifm := &InterfaceMessage{}
ifm.Header = p.Header
ifm.Data = buf[SizeofIfMsghdr:any.Msglen]
return ifm
case RTM_NEWADDR, RTM_DELADDR:
p := (*InterfaceAddrMessage)(unsafe.Pointer(any))
ifam := &InterfaceAddrMessage{}
ifam.Header = p.Header
ifam.Data = buf[SizeofIfaMsghdr:any.Msglen]
return ifam
}
return nil
}
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