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v0.8.1
swh:1:snp:a902887e4be9191b7c6c4406aa06b31c1ce2c7cc
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Tip revision: 9ff01193a20d391e8dbce4403dd5ef87c7eaaca6 authored by Linus Torvalds on 18 November 2018, 21:33:44 UTC
Linux 4.20-rc3
Tip revision: 9ff0119
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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