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net: fix EAI_BADFLAGS error on freebsd

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R=rsc
CC=golang-dev
https://golang.org/cl/4442072
This commit is contained in:
Mikio Hara 2011-04-21 10:22:53 -04:00 committed by Russ Cox
parent 1f59004511
commit 338b7abdfc
4 changed files with 32 additions and 1 deletions
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3
src/pkg/net/Makefile
View File

@ -31,6 +31,7 @@ GOFILES_freebsd=\
port.go\
CGOFILES_freebsd=\
cgo_bsd.go\
cgo_unix.go\
GOFILES_darwin=\
@ -42,6 +43,7 @@ GOFILES_darwin=\
port.go\
CGOFILES_darwin=\
cgo_bsd.go\
cgo_unix.go\
GOFILES_linux=\
@ -57,6 +59,7 @@ ifeq ($(GOARCH),arm)
GOFILES_linux+=cgo_stub.go
else
CGOFILES_linux=\
cgo_linux.go\
cgo_unix.go
endif

14
src/pkg/net/cgo_bsd.go Normal file
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@ -0,0 +1,14 @@
// 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.
package net
/*
#include <netdb.h>
*/
import "C"
func cgoAddrInfoMask() C.int {
return C.AI_MASK
}

14
src/pkg/net/cgo_linux.go Normal file
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@ -0,0 +1,14 @@
// 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.
package net
/*
#include <netdb.h>
*/
import "C"
func cgoAddrInfoMask() C.int {
return C.AI_CANONNAME | C.AI_V4MAPPED | C.AI_ALL
}

2
src/pkg/net/cgo_unix.go
View File

@ -86,7 +86,7 @@ func cgoLookupIPCNAME(name string) (addrs []IP, cname string, err os.Error, comp
// and similarly for IPv6), but in practice setting it causes
// getaddrinfo to return the wrong canonical name on Linux.
// So definitely leave it out.
hints.ai_flags = C.AI_ALL | C.AI_V4MAPPED | C.AI_CANONNAME
hints.ai_flags = (C.AI_ALL | C.AI_V4MAPPED | C.AI_CANONNAME) & cgoAddrInfoMask()
h := C.CString(name)
defer C.free(unsafe.Pointer(h))