text: /**
   * @file
   * Application layered TCP/TLS connection API (to be used from TCPIP thread)
   *
   * This file contains memory management function prototypes for a TLS layer using wolfSSL.
   *
   * Memory management contains:
   * - allocating/freeing altcp_wolfssl_state_t
   * - allocating/freeing memory used in the wolfSSL library
   */
  
  /*
   * Copyright (c) 2017 Simon Goldschmidt
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without modification,
   * are permitted provided that the following conditions are met:
   *
   * 1. Redistributions of source code must retain the above copyright notice,
   *    this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright notice,
   *    this list of conditions and the following disclaimer in the documentation
   *    and/or other materials provided with the distribution.
   * 3. The name of the author may not be used to endorse or promote products
   *    derived from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
   * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
   * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
   * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
   * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
   * OF SUCH DAMAGE.
   *
   * This file is part of the lwIP TCP/IP stack.
   *
   * Author: Simon Goldschmidt <goldsimon@gmx.de>, onelife
   *
   */
  #ifndef LWIP_HDR_ALTCP_WOLFSSL_MEM_H
  #define LWIP_HDR_ALTCP_WOLFSSL_MEM_H
  
  #include "lwip/opt.h"
  
  #if LWIP_ALTCP /* don't build if not configured for use in lwipopts.h */
  
  #include "lwip/apps/altcp_tls_wolfssl_opts.h"
  
  #if LWIP_ALTCP_TLS && LWIP_ALTCP_TLS_WOLFSSL
  
  #include "altcp_tls_wolfssl_structs.h"
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  void altcp_wolfssl_mem_init(void);
  altcp_wolfssl_state_t *altcp_wolfssl_alloc(void *conf);
  void altcp_wolfssl_free(void *conf, altcp_wolfssl_state_t *state);
  void *altcp_wolfssl_alloc_config(void);
  void altcp_wolfssl_free_config(void *item);
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* LWIP_ALTCP_TLS && LWIP_ALTCP_TLS_WOLFSSL */
  #endif /* LWIP_ALTCP */
  #endif /* LWIP_HDR_ALTCP_WOLFSSL_MEM_H */
  