/usr/share/gocode/src/code.google.com/p/go.net/ipv4/sockopt_freebsd.go is in golang-go.net-dev 0.0~hg20131201-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | // Copyright 2012 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 ipv4
import (
"os"
"syscall"
)
func ipv4SendSourceAddress(fd int) (bool, error) {
v, err := syscall.GetsockoptInt(fd, ianaProtocolIP, syscall.IP_SENDSRCADDR)
if err != nil {
return false, os.NewSyscallError("getsockopt", err)
}
return v == 1, nil
}
func setIPv4SendSourceAddress(fd int, v bool) error {
return os.NewSyscallError("setsockopt", syscall.SetsockoptInt(fd, ianaProtocolIP, syscall.IP_SENDSRCADDR, boolint(v)))
}
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