39 lines
1002 B
Go
39 lines
1002 B
Go
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// +build go1.8
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/*
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*
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* Copyright 2017 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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package credentials
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import (
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"crypto/tls"
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)
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// cloneTLSConfig returns a shallow clone of the exported
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// fields of cfg, ignoring the unexported sync.Once, which
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// contains a mutex and must not be copied.
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//
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// If cfg is nil, a new zero tls.Config is returned.
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func cloneTLSConfig(cfg *tls.Config) *tls.Config {
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if cfg == nil {
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return &tls.Config{}
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}
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return cfg.Clone()
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}
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