Retro68/gcc/libgo/go/net/cgo_linux.go

24 lines
673 B
Go
Raw Normal View History

2012-03-27 23:13:14 +00:00
// Copyright 2011 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.
2014-09-21 17:33:12 +00:00
// +build cgo,!netgo
2012-03-27 23:13:14 +00:00
package net
/*
#include <netdb.h>
*/
import "syscall"
2014-09-21 17:33:12 +00:00
func cgoAddrInfoFlags() int {
// NOTE(rsc): In theory there are approximately balanced
// arguments for and against including AI_ADDRCONFIG
// in the flags (it includes IPv4 results only on IPv4 systems,
// and similarly for IPv6), but in practice setting it causes
// getaddrinfo to return the wrong canonical name on Linux.
// So definitely leave it out.
2012-03-27 23:13:14 +00:00
return syscall.AI_CANONNAME | syscall.AI_V4MAPPED | syscall.AI_ALL
}