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// Copyright 2016 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 dragonfly freebsd netbsd openbsd
package route
import "unsafe"
var (
nativeEndian binaryByteOrder
kernelAlign int
wireFormats map[int]*wireFormat
)
func init() {
i := uint32(1)
b := (*[4]byte)(unsafe.Pointer(&i))
if b[0] == 1 {
nativeEndian = littleEndian
} else {
nativeEndian = bigEndian
}
kernelAlign, wireFormats = probeRoutingStack()
}
func roundup(l int) int {
if l == 0 {
return kernelAlign
}
return (l + kernelAlign - 1) & ^(kernelAlign - 1)
}
type wireFormat struct {
extOff int // offset of header extension
bodyOff int // offset of message body
parse func(RIBType, []byte) (Message, error)
}
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