PolarSSL v1.3.7
platform.c
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1 /*
2  * Platform abstraction layer
3  *
4  * Copyright (C) 2006-2014, Brainspark B.V.
5  *
6  * This file is part of PolarSSL (http://www.polarssl.org)
7  * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
8  *
9  * All rights reserved.
10  *
11  * This program is free software; you can redistribute it and/or modify
12  * it under the terms of the GNU General Public License as published by
13  * the Free Software Foundation; either version 2 of the License, or
14  * (at your option) any later version.
15  *
16  * This program is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19  * GNU General Public License for more details.
20  *
21  * You should have received a copy of the GNU General Public License along
22  * with this program; if not, write to the Free Software Foundation, Inc.,
23  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
24  */
25 
26 #if !defined(POLARSSL_CONFIG_FILE)
27 #include "polarssl/config.h"
28 #else
29 #include POLARSSL_CONFIG_FILE
30 #endif
31 
32 #if defined(POLARSSL_PLATFORM_C)
33 
34 #include "polarssl/platform.h"
35 
36 #if defined(POLARSSL_PLATFORM_MEMORY)
37 #if !defined(POLARSSL_PLATFORM_STD_MALLOC)
38 static void *platform_malloc_uninit( size_t len )
39 {
40  ((void) len);
41  return( NULL );
42 }
43 
44 #define POLARSSL_PLATFORM_STD_MALLOC platform_malloc_uninit
45 #endif /* !POLARSSL_PLATFORM_STD_MALLOC */
46 
47 #if !defined(POLARSSL_PLATFORM_STD_FREE)
48 static void platform_free_uninit( void *ptr )
49 {
50  ((void) ptr);
51 }
52 
53 #define POLARSSL_PLATFORM_STD_FREE platform_free_uninit
54 #endif /* !POLARSSL_PLATFORM_STD_FREE */
55 
56 void * (*polarssl_malloc)( size_t ) = POLARSSL_PLATFORM_STD_MALLOC;
57 void (*polarssl_free)( void * ) = POLARSSL_PLATFORM_STD_FREE;
58 
59 int platform_set_malloc_free( void * (*malloc_func)( size_t ),
60  void (*free_func)( void * ) )
61 {
62  polarssl_malloc = malloc_func;
63  polarssl_free = free_func;
64  return( 0 );
65 }
66 #endif /* POLARSSL_PLATFORM_MEMORY */
67 
68 #if defined(POLARSSL_PLATFORM_PRINTF_ALT)
69 #if !defined(POLARSSL_PLATFORM_STD_PRINTF)
70 /*
71  * Make dummy function to prevent NULL pointer dereferences
72  */
73 static int platform_printf_uninit( const char *format, ... )
74 {
75  ((void) format);
76  return( 0 );
77 }
78 
79 #define POLARSSL_PLATFORM_STD_PRINTF platform_printf_uninit
80 #endif /* !POLARSSL_PLATFORM_STD_PRINTF */
81 
82 int (*polarssl_printf)( const char *, ... ) = POLARSSL_PLATFORM_STD_PRINTF;
83 
84 int platform_set_printf( int (*printf_func)( const char *, ... ) )
85 {
86  polarssl_printf = printf_func;
87  return( 0 );
88 }
89 #endif /* POLARSSL_PLATFORM_PRINTF_ALT */
90 
91 #if defined(POLARSSL_PLATFORM_FPRINTF_ALT)
92 #if !defined(POLARSSL_PLATFORM_STD_FPRINTF)
93 /*
94  * Make dummy function to prevent NULL pointer dereferences
95  */
96 static int platform_fprintf_uninit( FILE *stream, const char *format, ... )
97 {
98  ((void) stream);
99  ((void) format);
100  return( 0 );
101 }
102 
103 #define POLARSSL_PLATFORM_STD_FPRINTF platform_fprintf_uninit
104 #endif /* !POLARSSL_PLATFORM_STD_FPRINTF */
105 
106 int (*polarssl_fprintf)( FILE *, const char *, ... ) =
108 
109 int platform_set_fprintf( int (*fprintf_func)( FILE *, const char *, ... ) )
110 {
111  polarssl_fprintf = fprintf_func;
112  return( 0 );
113 }
114 #endif /* POLARSSL_PLATFORM_FPRINTF_ALT */
115 
116 #endif /* POLARSSL_PLATFORM_C */
#define POLARSSL_PLATFORM_STD_FREE
Default free to use.
Definition: platform.h:62
#define polarssl_free
Definition: platform.h:91
Configuration options (set of defines)
#define POLARSSL_PLATFORM_STD_FPRINTF
Default fprintf to use.
Definition: platform.h:56
PolarSSL Platform abstraction layer.
#define POLARSSL_PLATFORM_STD_MALLOC
Default allocator to use.
Definition: platform.h:59
#define POLARSSL_PLATFORM_STD_PRINTF
Default printf to use.
Definition: platform.h:53
#define polarssl_printf
Definition: platform.h:109
#define polarssl_fprintf
Definition: platform.h:121
#define polarssl_malloc
Definition: platform.h:90