buildkit/vendor/google.golang.org/grpc/credentials/credentials_util_go18.go

39 lines
1002 B
Go
Raw Normal View History

// +build go1.8
2017-05-26 17:20:14 +00:00
/*
*
* Copyright 2017 gRPC authors.
2017-05-26 17:20:14 +00:00
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
2017-05-26 17:20:14 +00:00
*
* http://www.apache.org/licenses/LICENSE-2.0
2017-05-26 17:20:14 +00:00
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
2017-05-26 17:20:14 +00:00
*
*/
package credentials
2017-05-26 17:20:14 +00:00
import (
"crypto/tls"
2017-05-26 17:20:14 +00:00
)
// cloneTLSConfig returns a shallow clone of the exported
// fields of cfg, ignoring the unexported sync.Once, which
// contains a mutex and must not be copied.
//
// If cfg is nil, a new zero tls.Config is returned.
func cloneTLSConfig(cfg *tls.Config) *tls.Config {
if cfg == nil {
return &tls.Config{}
2017-05-26 17:20:14 +00:00
}
return cfg.Clone()
2017-05-26 17:20:14 +00:00
}