179 lines
5.2 KiB
C
179 lines
5.2 KiB
C
/**
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* \file platform.h
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*
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* \brief mbed TLS Platform abstraction layer
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*
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* Copyright (C) 2006-2014, ARM Limited, All Rights Reserved
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*
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* This file is part of mbed TLS (https://polarssl.org)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef POLARSSL_PLATFORM_H
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#define POLARSSL_PLATFORM_H
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#if !defined(POLARSSL_CONFIG_FILE)
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#include "config.h"
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#else
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#include POLARSSL_CONFIG_FILE
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#endif
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/* Temporary compability hack for to keep the deprecated MEMORY_C working */
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#if defined(POLARSSL_MEMORY_C) && !defined(POLARSSL_PLATFORM_MEMORY)
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#define POLARSSL_PLATFORM_MEMORY
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* \name SECTION: Module settings
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*
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* The configuration options you can set for this module are in this section.
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* Either change them in config.h or define them on the compiler command line.
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* \{
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*/
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#if !defined(POLARSSL_PLATFORM_NO_STD_FUNCTIONS)
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#include <stdio.h>
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#include <stdlib.h>
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#if !defined(POLARSSL_PLATFORM_STD_SNPRINTF)
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#define POLARSSL_PLATFORM_STD_SNPRINTF snprintf /**< Default snprintf to use */
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#endif
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#if !defined(POLARSSL_PLATFORM_STD_PRINTF)
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#define POLARSSL_PLATFORM_STD_PRINTF printf /**< Default printf to use */
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#endif
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#if !defined(POLARSSL_PLATFORM_STD_FPRINTF)
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#define POLARSSL_PLATFORM_STD_FPRINTF fprintf /**< Default fprintf to use */
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#endif
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#if !defined(POLARSSL_PLATFORM_STD_MALLOC)
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#define POLARSSL_PLATFORM_STD_MALLOC malloc /**< Default allocator to use */
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#endif
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#if !defined(POLARSSL_PLATFORM_STD_FREE)
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#define POLARSSL_PLATFORM_STD_FREE free /**< Default free to use */
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#endif
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#if !defined(POLARSSL_PLATFORM_STD_EXIT)
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#define POLARSSL_PLATFORM_STD_EXIT exit /**< Default free to use */
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#endif
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#else /* POLARSSL_PLATFORM_NO_STD_FUNCTIONS */
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#if defined(POLARSSL_PLATFORM_STD_MEM_HDR)
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#include POLARSSL_PLATFORM_STD_MEM_HDR
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#endif
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#endif /* POLARSSL_PLATFORM_NO_STD_FUNCTIONS */
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/* \} name SECTION: Module settings */
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/*
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* The function pointers for malloc and free
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*/
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#if defined(POLARSSL_PLATFORM_MEMORY)
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extern void * (*polarssl_malloc)( size_t len );
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extern void (*polarssl_free)( void *ptr );
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/**
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* \brief Set your own memory implementation function pointers
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*
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* \param malloc_func the malloc function implementation
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* \param free_func the free function implementation
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*
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* \return 0 if successful
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*/
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int platform_set_malloc_free( void * (*malloc_func)( size_t ),
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void (*free_func)( void * ) );
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#else /* !POLARSSL_PLATFORM_MEMORY */
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#define polarssl_malloc malloc
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#define polarssl_free free
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#endif /* POLARSSL_PLATFORM_MEMORY */
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/*
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* The function pointers for snprintf
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*/
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#if defined(POLARSSL_PLATFORM_SNPRINTF_ALT)
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extern int (*polarssl_snprintf)( char * s, size_t n, const char * format, ... );
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/**
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* \brief Set your own snprintf function pointer
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*
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* \param snprintf_func the snprintf function implementation
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*
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* \return 0
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*/
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int platform_set_snprintf( int (*snprintf_func)( char * s, size_t n,
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const char * format, ... ) );
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#else /* POLARSSL_PLATFORM_SNPRINTF_ALT */
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#define polarssl_snprintf snprintf
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#endif /* POLARSSL_PLATFORM_SNPRINTF_ALT */
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/*
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* The function pointers for printf
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*/
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#if defined(POLARSSL_PLATFORM_PRINTF_ALT)
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extern int (*polarssl_printf)( const char *format, ... );
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/**
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* \brief Set your own printf function pointer
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*
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* \param printf_func the printf function implementation
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*
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* \return 0
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*/
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int platform_set_printf( int (*printf_func)( const char *, ... ) );
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#else /* POLARSSL_PLATFORM_PRINTF_ALT */
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#define polarssl_printf printf
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#endif /* POLARSSL_PLATFORM_PRINTF_ALT */
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/*
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* The function pointers for fprintf
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*/
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#if defined(POLARSSL_PLATFORM_FPRINTF_ALT)
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extern int (*polarssl_fprintf)( FILE *stream, const char *format, ... );
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/**
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* \brief Set your own fprintf function pointer
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*
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* \param fprintf_func the fprintf function implementation
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*
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* \return 0
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*/
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int platform_set_fprintf( int (*fprintf_func)( FILE *stream, const char *,
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... ) );
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#else
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#define polarssl_fprintf fprintf
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#endif /* POLARSSL_PLATFORM_FPRINTF_ALT */
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/*
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* The function pointers for exit
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*/
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#if defined(POLARSSL_PLATFORM_EXIT_ALT)
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extern void (*polarssl_exit)( int status );
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/**
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* \brief Set your own exit function pointer
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*
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* \param exit_func the exit function implementation
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*
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* \return 0
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*/
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int platform_set_exit( void (*exit_func)( int status ) );
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#else
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#define polarssl_exit exit
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#endif /* POLARSSL_PLATFORM_EXIT_ALT */
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#ifdef __cplusplus
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}
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#endif
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#endif /* platform.h */
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