35 lines
727 B
C++
35 lines
727 B
C++
// Copyright 2016 The Chromium Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#ifndef CRYPTO_AUTO_CBB_H_
|
|
#define CRYPTO_AUTO_CBB_H_
|
|
|
|
#include <openssl/bytestring.h>
|
|
|
|
#include "base/macros.h"
|
|
|
|
namespace crypto {
|
|
|
|
// AutoCBB is a wrapper over OpenSSL's CBB type that automatically releases
|
|
// resources when going out of scope.
|
|
class AutoCBB {
|
|
public:
|
|
AutoCBB() { CBB_zero(&cbb_); }
|
|
~AutoCBB() { CBB_cleanup(&cbb_); }
|
|
|
|
CBB* get() { return &cbb_; }
|
|
|
|
void Reset() {
|
|
CBB_cleanup(&cbb_);
|
|
CBB_zero(&cbb_);
|
|
}
|
|
|
|
private:
|
|
CBB cbb_;
|
|
DISALLOW_COPY_AND_ASSIGN(AutoCBB);
|
|
};
|
|
|
|
} // namespace crypto
|
|
|
|
#endif // CRYPTO_AUTO_CBB_H_
|