blob: e8305d8de87d45d3d6f1bcb5a38a5779964ed68f (
plain)
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
|
/* SPDX-License-Identifier: LGPL-3.0-or-later */
/*
* alloc.c
*
* Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
*/
#include "config.h"
#include "util.h"
#include <stdlib.h>
#include <errno.h>
void *alloc_flex(size_t base_size, size_t item_size, size_t nmemb)
{
size_t size;
if (SZ_MUL_OV(nmemb, item_size, &size) ||
SZ_ADD_OV(base_size, size, &size)) {
errno = EOVERFLOW;
return NULL;
}
return calloc(1, size);
}
void *alloc_array(size_t item_size, size_t nmemb)
{
size_t size;
if (SZ_MUL_OV(nmemb, item_size, &size)) {
errno = EOVERFLOW;
return NULL;
}
return calloc(1, size);
}
|
