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519474451a
This is a subset of https://golang.org/cl/20022 with only the copyright header lines, so the next CL will be smaller and more reviewable. Go policy has been single space after periods in comments for some time. The copyright header template at: https://golang.org/doc/contribute.html#copyright also uses a single space. Make them all consistent. Change-Id: Icc26c6b8495c3820da6b171ca96a74701b4a01b0 Reviewed-on: https://go-review.googlesource.com/20111 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org> Reviewed-by: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org>
39 lines
917 B
Go
39 lines
917 B
Go
// Copyright 2015 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 !nacl,!plan9,!windows
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package net
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// forceGoDNS forces the resolver configuration to use the pure Go resolver
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// and returns a fixup function to restore the old settings.
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func forceGoDNS() func() {
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c := systemConf()
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oldGo := c.netGo
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oldCgo := c.netCgo
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fixup := func() {
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c.netGo = oldGo
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c.netCgo = oldCgo
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}
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c.netGo = true
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c.netCgo = false
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return fixup
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}
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// forceCgoDNS forces the resolver configuration to use the cgo resolver
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// and returns a fixup function to restore the old settings.
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// (On non-Unix systems forceCgoDNS returns nil.)
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func forceCgoDNS() func() {
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c := systemConf()
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oldGo := c.netGo
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oldCgo := c.netCgo
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fixup := func() {
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c.netGo = oldGo
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c.netCgo = oldCgo
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}
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c.netGo = false
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c.netCgo = true
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return fixup
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}
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