cc/internal/ssl_util.h

// Copyright 2021 Google LLC
//
// 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
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// 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.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef TINK_INTERNAL_SSL_UTIL_H_
#define TINK_INTERNAL_SSL_UTIL_H_

// Every header in BoringSSL includes base.h, which in turn defines
// OPENSSL_IS_BORINGSSL. So we include this common header here to "force" the
// definition of OPENSSL_IS_BORINGSSL in case BoringSSL is used.
#include "openssl/crypto.h"

namespace crypto {
namespace tink {
namespace internal {

// Returns true if currently using BoringSSL; false (OpenSSL) otherwise.
inline bool IsBoringSsl() {
#ifdef OPENSSL_IS_BORINGSSL
  return true;
#else
  return false;
#endif
}

}  // namespace internal
}  // namespace tink
}  // namespace crypto

#endif  // TINK_INTERNAL_SSL_UTIL_H_