text: /**
   * \file platform.h
   *
   * \brief PolarSSL Platform abstraction layer
   *
   *  Copyright (C) 2006-2014, Brainspark B.V.
   *
   *  This file is part of PolarSSL (http://www.polarssl.org)
   *  Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
   *
   *  All rights reserved.
   *
   *  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.
   */
  #ifndef POLARSSL_PLATFORM_H
  #define POLARSSL_PLATFORM_H
  
  #if !defined(POLARSSL_CONFIG_FILE)
  #include "config.h"
  #else
  #include POLARSSL_CONFIG_FILE
  #endif
  
  #if defined(POLARSSL_LINUX_KERNEL)
  #include "polarssl_kernel_support.h"
  #else
  #include <stdio.h>
  #endif
  
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  /**
   * \name SECTION: Module settings
   *
   * The configuration options you can set for this module are in this section.
   * Either change them in config.h or define them on the compiler command line.
   * \{
   */
  /*
  #if !defined(POLARSSL_PLATFORM_NO_STD_FUNCTIONS)
  #include <stdlib.h>
  
  #if !defined(POLARSSL_PLATFORM_STD_PRINTF)
  #define POLARSSL_PLATFORM_STD_PRINTF   printf */ /**< Default printf to use  */
  /*#endif
  #if !defined(POLARSSL_PLATFORM_STD_FPRINTF)
  #define POLARSSL_PLATFORM_STD_FPRINTF fprintf */ /**< Default fprintf to use */
  /*#endif
  #if !defined(POLARSSL_PLATFORM_STD_MALLOC)
  #define POLARSSL_PLATFORM_STD_MALLOC   malloc *//**< Default allocator to use */
  /*#endif
  #if !defined(POLARSSL_PLATFORM_STD_FREE)
  #define POLARSSL_PLATFORM_STD_FREE       free *//**< Default free to use */
  /*#endif
  #else*/ /* POLARSSL_PLATFORM_NO_STD_FUNCTIONS */
  /*#if defined(POLARSSL_PLATFORM_STD_MEM_HDR)
  #include POLARSSL_PLATFORM_STD_MEM_HDR
  #endif
  #endif*/ /* POLARSSL_PLATFORM_NO_STD_FUNCTIONS */
  
  /* \} name SECTION: Module settings */
  
  /*
   * The function pointers for malloc and free
   */
  #if defined(POLARSSL_PLATFORM_MEMORY)
  extern void * (*polarssl_malloc)( size_t len );
  extern void (*polarssl_free)( void *ptr );
  
  /**
   * \brief   Set your own memory implementation function pointers
   *
   * \param malloc_func   the malloc function implementation
   * \param free_func     the free function implementation
   *
   * \return              0 if successful
   */
  int platform_set_malloc_free( void * (*malloc_func)( size_t ),
                                void (*free_func)( void * ) );
  #else /* POLARSSL_PLATFORM_ENTROPY */
  #define polarssl_malloc     malloc
  #define polarssl_free       free
  #endif /* POLARSSL_PLATFORM_ENTROPY */
  
  /*
   * The function pointers for printf
   */
  #if defined(POLARSSL_PLATFORM_PRINTF_ALT)
  //extern int (*polarssl_printf)( const char *format, ... );
  
  /**
   * \brief   Set your own printf function pointer
   *
   * \param printf_func   the printf function implementation
   *
   * \return              0
   */
  //int platform_set_printf( int (*printf_func)( const char *, ... ) );
  //int platform_set_printf(void);
  //#else /* POLARSSL_PLATFORM_PRINTF_ALT */
  //#define polarssl_printf     printf
  
  #endif /* POLARSSL_PLATFORM_PRINTF_ALT */
  
  /*
   * The function pointers for fprintf
   */
  #if defined(POLARSSL_PLATFORM_FPRINTF_ALT)
  extern int (*polarssl_fprintf)( FILE *stream, const char *format, ... );
  
  int platform_set_fprintf( int (*fprintf_func)( FILE *stream, const char *,
                                                 ... ) );
  #else
  #define polarssl_fprintf    fprintf
  #endif
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* platform.h */
  