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// Copyright 2017 The BoringSSL Authors
//
// 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
//
// https://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 OPENSSL_HEADER_CRYPTO_ERR_INTERNAL_H
#define OPENSSL_HEADER_CRYPTO_ERR_INTERNAL_H
#include <contrib/restricted/google/boringssl/include/openssl/err.h>
BSSL_NAMESPACE_BEGIN
// Private error queue functions.
// ERR_SAVE_STATE contains a saved representation of the error queue. It is
// slightly more compact than |ERR_STATE| as the error queue will typically not
// contain |ERR_NUM_ERRORS| entries.
typedef struct err_save_state_st ERR_SAVE_STATE;
// ERR_SAVE_STATE_free releases all memory associated with |state|.
OPENSSL_EXPORT void ERR_SAVE_STATE_free(ERR_SAVE_STATE *state);
// ERR_save_state returns a newly-allocated |ERR_SAVE_STATE| structure
// containing the current state of the error queue or NULL on allocation
// error. It should be released with |ERR_SAVE_STATE_free|.
OPENSSL_EXPORT ERR_SAVE_STATE *ERR_save_state();
// ERR_restore_state clears the error queue and replaces it with |state|.
OPENSSL_EXPORT void ERR_restore_state(const ERR_SAVE_STATE *state);
BORINGSSL_MAKE_DELETER(ERR_SAVE_STATE, ERR_SAVE_STATE_free)
BSSL_NAMESPACE_END
#endif // OPENSSL_HEADER_CRYPTO_ERR_INTERNAL_H
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