hdx/vendor/golang.org/x/net/internal/socket/sys.go
Derek McQuay 59af8fc84f
initial commit
Signed-off-by: Derek McQuay <derekmcquay@gmail.com>
2018-04-10 19:17:26 -07:00

34 lines
639 B
Go

// Copyright 2017 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.
package socket
import (
"encoding/binary"
"unsafe"
)
var (
// NativeEndian is the machine native endian implementation of
// ByteOrder.
NativeEndian binary.ByteOrder
kernelAlign int
)
func init() {
i := uint32(1)
b := (*[4]byte)(unsafe.Pointer(&i))
if b[0] == 1 {
NativeEndian = binary.LittleEndian
} else {
NativeEndian = binary.BigEndian
}
kernelAlign = probeProtocolStack()
}
func roundup(l int) int {
return (l + kernelAlign - 1) & ^(kernelAlign - 1)
}