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/**
* \file platform.h
*
* \brief mbed TLS Platform abstraction layer
*
* Copyright (C) 2006-2014, ARM Limited, All Rights Reserved
*
* This file is part of mbed TLS (https://tls.mbed.org)
*
* 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
/* Temporary compatibility hack for to keep MEMORY_C working */
#if defined(POLARSSL_MEMORY_C) && !defined(POLARSSL_PLATFORM_MEMORY)
#define POLARSSL_PLATFORM_MEMORY
#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 <stdio.h>
#include <stdlib.h>
#if !defined(POLARSSL_PLATFORM_STD_SNPRINTF)
#define POLARSSL_PLATFORM_STD_SNPRINTF snprintf /**< Default snprintf to use */
#endif
#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
#if !defined(POLARSSL_PLATFORM_STD_EXIT)
#define POLARSSL_PLATFORM_STD_EXIT exit /**< 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)
#if defined(POLARSSL_PLATFORM_FREE_MACRO) && \
defined(POLARSSL_PLATFORM_MALLOC_MACRO)
#define polarssl_free POLARSSL_PLATFORM_FREE_MACRO
#define polarssl_malloc POLARSSL_PLATFORM_MALLOC_MACRO
#else
/* For size_t */
#include <stddef.h>
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 * ) );
#endif /* POLARSSL_PLATFORM_FREE_MACRO && POLARSSL_PLATFORM_MALLOC_MACRO */
#else /* !POLARSSL_PLATFORM_MEMORY */
#define polarssl_free free
#define polarssl_malloc malloc
#endif /* POLARSSL_PLATFORM_MEMORY && !POLARSSL_PLATFORM_{FREE,MALLOC}_MACRO */
/*
* The function pointers for fprintf
*/
#if defined(POLARSSL_PLATFORM_FPRINTF_ALT)
/* We need FILE * */
#include <stdio.h>
extern int (*polarssl_fprintf)( FILE *stream, const char *format, ... );
/**
* \brief Set your own fprintf function pointer
*
* \param fprintf_func the fprintf function implementation
*
* \return 0
*/
int platform_set_fprintf( int (*fprintf_func)( FILE *stream, const char *,
... ) );
#else
#if defined(POLARSSL_PLATFORM_FPRINTF_MACRO)
#define polarssl_fprintf POLARSSL_PLATFORM_FPRINTF_MACRO
#else
#define polarssl_fprintf fprintf
#endif /* POLARSSL_PLATFORM_FPRINTF_MACRO */
#endif /* POLARSSL_PLATFORM_FPRINTF_ALT */
/*
* 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 *, ... ) );
#else /* !POLARSSL_PLATFORM_PRINTF_ALT */
#if defined(POLARSSL_PLATFORM_PRINTF_MACRO)
#define polarssl_printf POLARSSL_PLATFORM_PRINTF_MACRO
#else
#define polarssl_printf printf
#endif /* POLARSSL_PLATFORM_PRINTF_MACRO */
#endif /* POLARSSL_PLATFORM_PRINTF_ALT */
/*
* The function pointers for snprintf
*/
#if defined(POLARSSL_PLATFORM_SNPRINTF_ALT)
extern int (*polarssl_snprintf)( char * s, size_t n, const char * format, ... );
/**
* \brief Set your own snprintf function pointer
*
* \param snprintf_func the snprintf function implementation
*
* \return 0
*/
int platform_set_snprintf( int (*snprintf_func)( char * s, size_t n,
const char * format, ... ) );
#else /* POLARSSL_PLATFORM_SNPRINTF_ALT */
#if defined(POLARSSL_PLATFORM_SNPRINTF_MACRO)
#define polarssl_snprintf POLARSSL_PLATFORM_SNPRINTF_MACRO
#else
#define polarssl_snprintf snprintf
#endif /* POLARSSL_PLATFORM_SNPRINTF_MACRO */
#endif /* POLARSSL_PLATFORM_SNPRINTF_ALT */
/*
* The function pointers for exit
*/
#if defined(POLARSSL_PLATFORM_EXIT_ALT)
extern void (*polarssl_exit)( int status );
/**
* \brief Set your own exit function pointer
*
* \param exit_func the exit function implementation
*
* \return 0
*/
int platform_set_exit( void (*exit_func)( int status ) );
#else
#if defined(POLARSSL_PLATFORM_EXIT_MACRO)
#define polarssl_exit POLARSSL_PLATFORM_EXIT_MACRO
#else
#define polarssl_exit exit
#endif /* POLARSSL_PLATFORM_EXIT_MACRO */
#endif /* POLARSSL_PLATFORM_EXIT_ALT */
#ifdef __cplusplus
}
#endif
#endif /* platform.h */
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