1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
/*
* Copyright (C) 2001-2012 Free Software Foundation, Inc.
*
* Author: Nikos Mavrogiannopoulos
*
* This file is part of GnuTLS.
*
* The GnuTLS is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
#include <gnutls_int.h>
#include <gnutls_errors.h>
#include <gnutls_num.h>
#include <xsize.h>
gnutls_alloc_function gnutls_secure_malloc = malloc;
gnutls_alloc_function gnutls_malloc = malloc;
gnutls_free_function gnutls_free = free;
gnutls_realloc_function gnutls_realloc = realloc;
void *(*gnutls_calloc) (size_t, size_t) = calloc;
char *(*gnutls_strdup) (const char *) = _gnutls_strdup;
void *_gnutls_calloc(size_t nmemb, size_t size)
{
void *ret;
size_t n = xtimes(nmemb, size);
ret = (size_in_bounds_p(n) ? gnutls_malloc(n) : NULL);
if (ret != NULL)
memset(ret, 0, size);
return ret;
}
/* This realloc will free ptr in case realloc
* fails.
*/
void *gnutls_realloc_fast(void *ptr, size_t size)
{
void *ret;
if (size == 0)
return ptr;
ret = gnutls_realloc(ptr, size);
if (ret == NULL) {
gnutls_free(ptr);
}
return ret;
}
char *_gnutls_strdup(const char *str)
{
size_t siz;
char *ret;
if(unlikely(!str))
return NULL;
siz = strlen(str) + 1;
ret = gnutls_malloc(siz);
if (ret != NULL)
memcpy(ret, str, siz);
return ret;
}
#if 0
/* don't use them. They are included for documentation.
*/
/**
* gnutls_malloc:
* @s: size to allocate in bytes
*
* This function will allocate 's' bytes data, and
* return a pointer to memory. This function is supposed
* to be used by callbacks.
*
* The allocation function used is the one set by
* gnutls_global_set_mem_functions().
**/
void *gnutls_malloc(size_t s)
{
int x;
}
/**
* gnutls_free:
* @ptr: pointer to memory
*
* This function will free data pointed by ptr.
*
* The deallocation function used is the one set by
* gnutls_global_set_mem_functions().
*
**/
void gnutls_free(void *ptr)
{
int x;
}
#endif
|
