Subversion Repositories openrisc

// 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 NetBSD

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
}