1// SPDX-License-Identifier: (LGPL-2.0+ OR BSD-2-Clause)
2/* Copyright (C) 2018 Netronome Systems, Inc. */
3
4#ifndef __TOOLS_LIBC_COMPAT_H
5#define __TOOLS_LIBC_COMPAT_H
6
7#include <stdlib.h>
8#include <linux/overflow.h>
9
10#ifdef COMPAT_NEED_REALLOCARRAY
11static inline void *reallocarray(void *ptr, size_t nmemb, size_t size)
12{
13	size_t bytes;
14
15	if (unlikely(check_mul_overflow(nmemb, size, &bytes)))
16		return NULL;
17	return realloc(ptr, bytes);
18}
19#endif
20#endif
21