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
|
/*
* cynapses libc functions
*
* Copyright (c) 2008-2013 by Andreas Schneider <asn@cryptomilk.org>
*
* This library 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 library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <string.h>
#include "c_macro.h"
#include "c_alloc.h"
void *c_calloc(size_t count, size_t size) {
if (size == 0 || count == 0) {
return NULL;
}
#ifdef CSYNC_MEM_NULL_TESTS
if (getenv("CSYNC_NOMEMORY")) {
return NULL;
}
#endif /* CSYNC_MEM_NULL_TESTS */
#undef calloc
return calloc(count, size);
#define calloc(x,y) DO_NOT_CALL_CALLOC__USE_XCALLOC_INSTEAD
}
void *c_malloc(size_t size) {
if (size == 0) {
return NULL;
}
#undef malloc
return c_calloc(1, size);
#define malloc(x) DO_NOT_CALL_MALLOC__USE_XMALLOC_INSTEAD
}
void *c_realloc(void *ptr, size_t size) {
#ifdef CSYNC_MEM_NULL_TESTS
if (getenv("CSYNC_NOMEMORY")) {
return NULL;
}
#endif /* CSYNC_MEM_NULL_TESTS */
#undef realloc
return realloc(ptr, size);
#define realloc(x,y) DO_NOT_CALL_REALLOC__USE_XREALLOC_INSTEAD
}
char *c_strdup(const char *str) {
char *ret;
ret = (char *) c_malloc(strlen(str) + 1);
if (ret == NULL) {
return NULL;
}
strcpy(ret, str);
return ret;
}
char *c_strndup(const char *str, size_t size) {
char *ret;
size_t len;
len = strlen(str);
if (len > size) {
len = size;
}
ret = (char *) c_malloc(len + 1);
if (ret == NULL) {
return NULL;
}
strncpy(ret, str, len);
ret[size] = '\0';
return ret;
}
|
