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/*
* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file 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.
*/
#pragma once
#if ((__GNUC__ >= 4) || defined(__clang__)) && defined(S2N_EXPORTS)
# define S2N_PRIVATE_API __attribute__((visibility("default")))
#else
# define S2N_PRIVATE_API
#endif /* __GNUC__ >= 4 || defined(__clang__) */
#include <stdint.h>
/*
* Internal APIs.
*
* These APIs change the behavior of S2N in potentially dangerous ways and should only be
* used for testing purposes. All Internal APIs are subject to change without notice.
*/
struct s2n_config;
struct s2n_connection;
/*
* Gets the config set on the connection.
*
* This function will return a pointer to the config set by `s2n_connection_set_config`.
* It will return NULL prior to `s2n_connection_set_config` being called and a config
* being set by the application.
*
* Caution: A config can be associated with multiple connections and should not be
* modified after it has been built. Doing so is undefined behavior.
*/
S2N_PRIVATE_API
extern int s2n_connection_get_config(struct s2n_connection *conn, struct s2n_config **config);
/*
* Enable polling the async client_hello callback to make progress.
*
* `s2n_negotiate` must be called multiple times to poll the callback function
* and make progress.
*/
S2N_PRIVATE_API
extern int s2n_config_client_hello_cb_enable_poll(struct s2n_config *config);
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