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// 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.
// +build cgo,!netgo
package net
/*
#include <netdb.h>
*/
import "C"
func cgoAddrInfoFlags() C.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.
return C.AI_CANONNAME | C.AI_V4MAPPED | C.AI_ALL
}
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