Diff: mbedtls/source/platform.c

Revision:

13:bed103425508

Parent:

12:0071cb144c7a

Child:

14:79bcbfbb93c7

--- a/mbedtls/source/platform.c	Tue Nov 01 14:22:56 2016 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,307 +0,0 @@
-/*
- *  Platform abstraction layer
- *
- *  Copyright (C) 2006-2016, ARM Limited, All Rights Reserved
- *  SPDX-License-Identifier: Apache-2.0
- *
- *  Licensed under the Apache License, Version 2.0 (the "License"); you may
- *  not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *  http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *  This file is part of mbed TLS (https://tls.mbed.org)
- */
-
-#if !defined(MBEDTLS_CONFIG_FILE)
-#include "mbedtls/config.h"
-#else
-#include MBEDTLS_CONFIG_FILE
-#endif
-
-#if defined(MBEDTLS_PLATFORM_C)
-
-#include "mbedtls/platform.h"
-
-#if defined(MBEDTLS_PLATFORM_MEMORY)
-#if !defined(MBEDTLS_PLATFORM_STD_CALLOC)
-static void *platform_calloc_uninit( size_t n, size_t size )
-{
-    ((void) n);
-    ((void) size);
-    return( NULL );
-}
-
-#define MBEDTLS_PLATFORM_STD_CALLOC   platform_calloc_uninit
-#endif /* !MBEDTLS_PLATFORM_STD_CALLOC */
-
-#if !defined(MBEDTLS_PLATFORM_STD_FREE)
-static void platform_free_uninit( void *ptr )
-{
-    ((void) ptr);
-}
-
-#define MBEDTLS_PLATFORM_STD_FREE     platform_free_uninit
-#endif /* !MBEDTLS_PLATFORM_STD_FREE */
-
-void * (*mbedtls_calloc)( size_t, size_t ) = MBEDTLS_PLATFORM_STD_CALLOC;
-void (*mbedtls_free)( void * )     = MBEDTLS_PLATFORM_STD_FREE;
-
-int mbedtls_platform_set_calloc_free( void * (*calloc_func)( size_t, size_t ),
-                              void (*free_func)( void * ) )
-{
-    mbedtls_calloc = calloc_func;
-    mbedtls_free = free_func;
-    return( 0 );
-}
-#endif /* MBEDTLS_PLATFORM_MEMORY */
-
-#if defined(_WIN32)
-#include <stdarg.h>
-int mbedtls_platform_win32_snprintf( char *s, size_t n, const char *fmt, ... )
-{
-    int ret;
-    va_list argp;
-
-    /* Avoid calling the invalid parameter handler by checking ourselves */
-    if( s == NULL || n == 0 || fmt == NULL )
-        return( -1 );
-
-    va_start( argp, fmt );
-#if defined(_TRUNCATE)
-    ret = _vsnprintf_s( s, n, _TRUNCATE, fmt, argp );
-#else
-    ret = _vsnprintf( s, n, fmt, argp );
-    if( ret < 0 || (size_t) ret == n )
-    {
-        s[n-1] = '\0';
-        ret = -1;
-    }
-#endif
-    va_end( argp );
-
-    return( ret );
-}
-#endif
-
-#if defined(MBEDTLS_PLATFORM_SNPRINTF_ALT)
-#if !defined(MBEDTLS_PLATFORM_STD_SNPRINTF)
-/*
- * Make dummy function to prevent NULL pointer dereferences
- */
-static int platform_snprintf_uninit( char * s, size_t n,
-                                     const char * format, ... )
-{
-    ((void) s);
-    ((void) n);
-    ((void) format);
-    return( 0 );
-}
-
-#define MBEDTLS_PLATFORM_STD_SNPRINTF    platform_snprintf_uninit
-#endif /* !MBEDTLS_PLATFORM_STD_SNPRINTF */
-
-int (*mbedtls_snprintf)( char * s, size_t n,
-                          const char * format,
-                          ... ) = MBEDTLS_PLATFORM_STD_SNPRINTF;
-
-int mbedtls_platform_set_snprintf( int (*snprintf_func)( char * s, size_t n,
-                                                 const char * format,
-                                                 ... ) )
-{
-    mbedtls_snprintf = snprintf_func;
-    return( 0 );
-}
-#endif /* MBEDTLS_PLATFORM_SNPRINTF_ALT */
-
-#if defined(MBEDTLS_PLATFORM_PRINTF_ALT)
-#if !defined(MBEDTLS_PLATFORM_STD_PRINTF)
-/*
- * Make dummy function to prevent NULL pointer dereferences
- */
-static int platform_printf_uninit( const char *format, ... )
-{
-    ((void) format);
-    return( 0 );
-}
-
-#define MBEDTLS_PLATFORM_STD_PRINTF    platform_printf_uninit
-#endif /* !MBEDTLS_PLATFORM_STD_PRINTF */
-
-int (*mbedtls_printf)( const char *, ... ) = MBEDTLS_PLATFORM_STD_PRINTF;
-
-int mbedtls_platform_set_printf( int (*printf_func)( const char *, ... ) )
-{
-    mbedtls_printf = printf_func;
-    return( 0 );
-}
-#endif /* MBEDTLS_PLATFORM_PRINTF_ALT */
-
-#if defined(MBEDTLS_PLATFORM_FPRINTF_ALT)
-#if !defined(MBEDTLS_PLATFORM_STD_FPRINTF)
-/*
- * Make dummy function to prevent NULL pointer dereferences
- */
-static int platform_fprintf_uninit( FILE *stream, const char *format, ... )
-{
-    ((void) stream);
-    ((void) format);
-    return( 0 );
-}
-
-#define MBEDTLS_PLATFORM_STD_FPRINTF   platform_fprintf_uninit
-#endif /* !MBEDTLS_PLATFORM_STD_FPRINTF */
-
-int (*mbedtls_fprintf)( FILE *, const char *, ... ) =
-                                        MBEDTLS_PLATFORM_STD_FPRINTF;
-
-int mbedtls_platform_set_fprintf( int (*fprintf_func)( FILE *, const char *, ... ) )
-{
-    mbedtls_fprintf = fprintf_func;
-    return( 0 );
-}
-#endif /* MBEDTLS_PLATFORM_FPRINTF_ALT */
-
-#if defined(MBEDTLS_PLATFORM_EXIT_ALT)
-#if !defined(MBEDTLS_PLATFORM_STD_EXIT)
-/*
- * Make dummy function to prevent NULL pointer dereferences
- */
-static void platform_exit_uninit( int status )
-{
-    ((void) status);
-}
-
-#define MBEDTLS_PLATFORM_STD_EXIT   platform_exit_uninit
-#endif /* !MBEDTLS_PLATFORM_STD_EXIT */
-
-void (*mbedtls_exit)( int status ) = MBEDTLS_PLATFORM_STD_EXIT;
-
-int mbedtls_platform_set_exit( void (*exit_func)( int status ) )
-{
-    mbedtls_exit = exit_func;
-    return( 0 );
-}
-#endif /* MBEDTLS_PLATFORM_EXIT_ALT */
-
-#if defined(MBEDTLS_HAVE_TIME)
-
-#if defined(MBEDTLS_PLATFORM_TIME_ALT)
-#if !defined(MBEDTLS_PLATFORM_STD_TIME)
-/*
- * Make dummy function to prevent NULL pointer dereferences
- */
-static mbedtls_time_t platform_time_uninit( mbedtls_time_t* timer )
-{
-    ((void) timer);
-    return( 0 );
-}
-
-#define MBEDTLS_PLATFORM_STD_TIME   platform_time_uninit
-#endif /* !MBEDTLS_PLATFORM_STD_TIME */
-
-mbedtls_time_t (*mbedtls_time)( mbedtls_time_t* timer ) = MBEDTLS_PLATFORM_STD_TIME;
-
-int mbedtls_platform_set_time( mbedtls_time_t (*time_func)( mbedtls_time_t* timer ) )
-{
-    mbedtls_time = time_func;
-    return( 0 );
-}
-#endif /* MBEDTLS_PLATFORM_TIME_ALT */
-
-#endif /* MBEDTLS_HAVE_TIME */
-
-#if defined(MBEDTLS_ENTROPY_NV_SEED)
-#if !defined(MBEDTLS_PLATFORM_NO_STD_FUNCTIONS) && defined(MBEDTLS_FS_IO)
-/* Default implementations for the platform independent seed functions use
- * standard libc file functions to read from and write to a pre-defined filename
- */
-int mbedtls_platform_std_nv_seed_read( unsigned char *buf, size_t buf_len )
-{
-    FILE *file;
-    size_t n;
-
-    if( ( file = fopen( MBEDTLS_PLATFORM_STD_NV_SEED_FILE, "rb" ) ) == NULL )
-        return -1;
-
-    if( ( n = fread( buf, 1, buf_len, file ) ) != buf_len )
-    {
-        fclose( file );
-        return -1;
-    }
-
-    fclose( file );
-    return( n );
-}
-
-int mbedtls_platform_std_nv_seed_write( unsigned char *buf, size_t buf_len )
-{
-    FILE *file;
-    size_t n;
-
-    if( ( file = fopen( MBEDTLS_PLATFORM_STD_NV_SEED_FILE, "w" ) ) == NULL )
-        return -1;
-
-    if( ( n = fwrite( buf, 1, buf_len, file ) ) != buf_len )
-    {
-        fclose( file );
-        return -1;
-    }
-
-    fclose( file );
-    return( n );
-}
-#endif /* MBEDTLS_PLATFORM_NO_STD_FUNCTIONS */
-
-#if defined(MBEDTLS_PLATFORM_NV_SEED_ALT)
-#if !defined(MBEDTLS_PLATFORM_STD_NV_SEED_READ)
-/*
- * Make dummy function to prevent NULL pointer dereferences
- */
-static int platform_nv_seed_read_uninit( unsigned char *buf, size_t buf_len )
-{
-    ((void) buf);
-    ((void) buf_len);
-    return( -1 );
-}
-
-#define MBEDTLS_PLATFORM_STD_NV_SEED_READ   platform_nv_seed_read_uninit
-#endif /* !MBEDTLS_PLATFORM_STD_NV_SEED_READ */
-
-#if !defined(MBEDTLS_PLATFORM_STD_NV_SEED_WRITE)
-/*
- * Make dummy function to prevent NULL pointer dereferences
- */
-static int platform_nv_seed_write_uninit( unsigned char *buf, size_t buf_len )
-{
-    ((void) buf);
-    ((void) buf_len);
-    return( -1 );
-}
-
-#define MBEDTLS_PLATFORM_STD_NV_SEED_WRITE   platform_nv_seed_write_uninit
-#endif /* !MBEDTLS_PLATFORM_STD_NV_SEED_WRITE */
-
-int (*mbedtls_nv_seed_read)( unsigned char *buf, size_t buf_len ) =
-            MBEDTLS_PLATFORM_STD_NV_SEED_READ;
-int (*mbedtls_nv_seed_write)( unsigned char *buf, size_t buf_len ) =
-            MBEDTLS_PLATFORM_STD_NV_SEED_WRITE;
-
-int mbedtls_platform_set_nv_seed(
-        int (*nv_seed_read_func)( unsigned char *buf, size_t buf_len ),
-        int (*nv_seed_write_func)( unsigned char *buf, size_t buf_len ) )
-{
-    mbedtls_nv_seed_read = nv_seed_read_func;
-    mbedtls_nv_seed_write = nv_seed_write_func;
-    return( 0 );
-}
-#endif /* MBEDTLS_PLATFORM_NV_SEED_ALT */
-#endif /* MBEDTLS_ENTROPY_NV_SEED */
-
-#endif /* MBEDTLS_PLATFORM_C */