Source file src/net/cgo_linux.go

     1	// Copyright 2011 The Go Authors. All rights reserved.
     2	// Use of this source code is governed by a BSD-style
     3	// license that can be found in the LICENSE file.
     4	
     5	// +build !android,cgo,!netgo
     6	
     7	package net
     8	
     9	/*
    10	#include <netdb.h>
    11	*/
    12	import "C"
    13	
    14	// NOTE(rsc): In theory there are approximately balanced
    15	// arguments for and against including AI_ADDRCONFIG
    16	// in the flags (it includes IPv4 results only on IPv4 systems,
    17	// and similarly for IPv6), but in practice setting it causes
    18	// getaddrinfo to return the wrong canonical name on Linux.
    19	// So definitely leave it out.
    20	const cgoAddrInfoFlags = C.AI_CANONNAME | C.AI_V4MAPPED | C.AI_ALL
    21	

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