...
Run Format

Source file src/syscall/route_freebsd_32bit.go

Documentation: syscall

  // 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 freebsd,386 freebsd,arm
  
  package syscall
  
  import "unsafe"
  
  func (any *anyMessage) parseRouteMessage(b []byte) *RouteMessage {
  	p := (*RouteMessage)(unsafe.Pointer(any))
  	off := int(unsafe.Offsetof(p.Header.Rmx)) + SizeofRtMetrics
  	if freebsdConfArch == "amd64" {
  		off += SizeofRtMetrics // rt_metrics on amd64 is simply doubled
  	}
  	return &RouteMessage{Header: p.Header, Data: b[rsaAlignOf(off):any.Msglen]}
  }
  
  func (any *anyMessage) parseInterfaceMessage(b []byte) *InterfaceMessage {
  	p := (*InterfaceMessage)(unsafe.Pointer(any))
  	// FreeBSD 10 and beyond have a restructured mbuf
  	// packet header view.
  	// See http://svnweb.freebsd.org/base?view=revision&revision=254804.
  	if freebsdVersion >= 1000000 {
  		m := (*ifMsghdr)(unsafe.Pointer(any))
  		p.Header.Data.Hwassist = uint32(m.Data.Hwassist)
  		p.Header.Data.Epoch = m.Data.Epoch
  		p.Header.Data.Lastchange = m.Data.Lastchange
  		return &InterfaceMessage{Header: p.Header, Data: b[int(unsafe.Offsetof(p.Header.Data))+int(p.Header.Data.Datalen) : any.Msglen]}
  	}
  	return &InterfaceMessage{Header: p.Header, Data: b[int(unsafe.Offsetof(p.Header.Data))+int(p.Header.Data.Datalen) : any.Msglen]}
  }
  

View as plain text