| // Copyright 2012 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 x509 | |
| import "sync" | |
| var ( | |
| once sync.Once | |
| systemRoots *CertPool | |
| systemRootsErr error | |
| ) | |
| func systemRootsPool() *CertPool { | |
| once.Do(initSystemRoots) | |
| return systemRoots | |
| } | |
| func initSystemRoots() { | |
| systemRoots, systemRootsErr = loadSystemRoots() | |
| if systemRootsErr != nil { | |
| systemRoots = nil | |
| } | |
| } |