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https://github.com/golang/go
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99f5f796d9
This change allows LookupAddr to use getnameinfo through cgo for working together with various name services other than DNS. Fixes #7855. Change-Id: I5b3b4aefe3d1b904541c3350865734d8cbb1c1c4 Reviewed-on: https://go-review.googlesource.com/3420 Reviewed-by: Ian Lance Taylor <iant@golang.org>
34 lines
800 B
Go
34 lines
800 B
Go
// Copyright 2015 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build cgo,!netgo
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// +build darwin dragonfly freebsd netbsd openbsd
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package net
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/*
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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*/
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import "C"
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import (
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"syscall"
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"unsafe"
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)
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func cgoSockaddrInet4(ip IP) *C.struct_sockaddr {
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sa := syscall.RawSockaddrInet4{Len: syscall.SizeofSockaddrInet4, Family: syscall.AF_INET}
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copy(sa.Addr[:], ip)
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return (*C.struct_sockaddr)(unsafe.Pointer(&sa))
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}
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func cgoSockaddrInet6(ip IP) *C.struct_sockaddr {
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sa := syscall.RawSockaddrInet6{Len: syscall.SizeofSockaddrInet6, Family: syscall.AF_INET6}
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copy(sa.Addr[:], ip)
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return (*C.struct_sockaddr)(unsafe.Pointer(&sa))
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}
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