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// 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_
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