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6d3a7e79a4
This change adds a type addrinfoErrno to represent getaddrinfo, getnameinfo-specific errors, and uses it in cgo-based lookup functions. Also retags cgo files for clarification and does minor cleanup. Change-Id: I6db7130ad7bf35bbd4e8839a97759e1364c43828 Reviewed-on: https://go-review.googlesource.com/9020 Reviewed-by: Ian Lance Taylor <iant@golang.org>
21 lines
636 B
Go
21 lines
636 B
Go
// Copyright 2011 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 !android,cgo,!netgo
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package net
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/*
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#include <netdb.h>
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*/
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import "C"
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// NOTE(rsc): In theory there are approximately balanced
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// arguments for and against including AI_ADDRCONFIG
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// in the flags (it includes IPv4 results only on IPv4 systems,
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// and similarly for IPv6), but in practice setting it causes
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// getaddrinfo to return the wrong canonical name on Linux.
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// So definitely leave it out.
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const cgoAddrInfoFlags = C.AI_CANONNAME | C.AI_V4MAPPED | C.AI_ALL
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