text: /**
   * \file version.h
   *
   * \brief Run-time version information
   *
   *  Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
   *  SPDX-License-Identifier: GPL-2.0
   *
   *  This program is free software; you can redistribute it and/or modify
   *  it under the terms of the GNU General Public License as published by
   *  the Free Software Foundation; either version 2 of the License, or
   *  (at your option) any later version.
   *
   *  This program is distributed in the hope that it will be useful,
   *  but WITHOUT ANY WARRANTY; without even the implied warranty of
   *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *  GNU General Public License for more details.
   *
   *  You should have received a copy of the GNU General Public License along
   *  with this program; if not, write to the Free Software Foundation, Inc.,
   *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   *  This file is part of mbed TLS (https://tls.mbed.org)
   */
  /*
   * This set of compile-time defines and run-time variables can be used to
   * determine the version number of the mbed TLS library used.
   */
  #ifndef MBEDTLS_VERSION_H
  #define MBEDTLS_VERSION_H
  
  #if !defined(MBEDTLS_CONFIG_FILE)
  #include "config.h"
  #else
  #include MBEDTLS_CONFIG_FILE
  #endif
  
  /**
   * The version number x.y.z is split into three parts.
   * Major, Minor, Patchlevel
   */
  #define MBEDTLS_VERSION_MAJOR  2
  #define MBEDTLS_VERSION_MINOR  4
  #define MBEDTLS_VERSION_PATCH  0
  
  /**
   * The single version number has the following structure:
   *    MMNNPP00
   *    Major version | Minor version | Patch version
   */
  #define MBEDTLS_VERSION_NUMBER         0x02040000
  #define MBEDTLS_VERSION_STRING         "2.4.0"
  #define MBEDTLS_VERSION_STRING_FULL    "mbed TLS 2.4.0"
  
  #if defined(MBEDTLS_VERSION_C)
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  /**
   * Get the version number.
   *
   * \return          The constructed version number in the format
   *                  MMNNPP00 (Major, Minor, Patch).
   */
  unsigned int mbedtls_version_get_number( void );
  
  /**
   * Get the version string ("x.y.z").
   *
   * \param string    The string that will receive the value.
   *                  (Should be at least 9 bytes in size)
   */
  void mbedtls_version_get_string( char *string );
  
  /**
   * Get the full version string ("mbed TLS x.y.z").
   *
   * \param string    The string that will receive the value. The mbed TLS version
   *                  string will use 18 bytes AT MOST including a terminating
   *                  null byte.
   *                  (So the buffer should be at least 18 bytes to receive this
   *                  version string).
   */
  void mbedtls_version_get_string_full( char *string );
  
  /**
   * \brief           Check if support for a feature was compiled into this
   *                  mbed TLS binary. This allows you to see at runtime if the
   *                  library was for instance compiled with or without
   *                  Multi-threading support.
   *
   * \note            only checks against defines in the sections "System
   *                  support", "mbed TLS modules" and "mbed TLS feature
   *                  support" in config.h
   *
   * \param feature   The string for the define to check (e.g. "MBEDTLS_AES_C")
   *
   * \return          0 if the feature is present,
   *                  -1 if the feature is not present and
   *                  -2 if support for feature checking as a whole was not
   *                  compiled in.
   */
  int mbedtls_version_check_feature( const char *feature );
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* MBEDTLS_VERSION_C */
  
  #endif /* version.h */
  