From: Johannes Sixt <j6t@kdbg.org>
Date: Thu, 06 Apr 2017 16:33:51 GMT
Subject: Re: [PATCH v3 1/2] Fix nonnull errors reported by UBSAN with GCC 7.
Message-ID: <587b0cb9-bd66-ddf7-5cca-023df3470883@kdbg.org>
In-Reply-To: <8555c61f-2617-eec8-6dbe-87c79c6ca302@suse.cz>

Am 06.04.2017 um 17:42 schrieb Martin Liška:
> +static inline void *sane_memmove(void *dest, const void *src, size_t n)
> +{
> +	if (n > 0)
> +		return memmove(dest, src, n);
> +	else
> +		return dest;
> +}

Huh? memmove with n == 0 is well-defined. This wrapper is pointless.

-- Hannes