swh:1:snp:32555a3fd8878f019c2ebd6c964bc1edcaeff337
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Tip revision: d434405aaab7d0ebc516b68a8fc4100922d7f5ef authored by Linus Torvalds on 11 April 2021, 22:16:13 UTC
Linux 5.12-rc7
Tip revision: d434405
libc_compat.h
// SPDX-License-Identifier: (LGPL-2.0+ OR BSD-2-Clause)
/* Copyright (C) 2018 Netronome Systems, Inc. */

#ifndef __TOOLS_LIBC_COMPAT_H
#define __TOOLS_LIBC_COMPAT_H

#include <stdlib.h>
#include <linux/overflow.h>

#ifdef COMPAT_NEED_REALLOCARRAY
static inline void *reallocarray(void *ptr, size_t nmemb, size_t size)
{
	size_t bytes;

	if (unlikely(check_mul_overflow(nmemb, size, &bytes)))
		return NULL;
	return realloc(ptr, bytes);
}
#endif
#endif
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