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Re: [PATCH v3 1/2] Fix nonnull errors reported by UBSAN with GCC 7.

From
Johannes Sixt <j6t@kdbg.org>
Date
Apr 6, 2017, 16:33 UTC
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:
Show 7 quoted lines
> +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
Previous: Martin LiškaNext: René Scharfe
Message 6 of 15 in “Fix nonnull errors reported by UBSAN with GCC 7.”
  1. 1/2 Fix nonnull errors reported by UBSAN with GCC 7.Martin Liška, Apr 6, 2017
  2. Jeff KingApr 6, 2017
  3. Martin LiškaApr 6, 2017
  4. René ScharfeApr 6, 2017
  5. Martin LiškaApr 6, 2017
  6. Johannes SixtApr 6, 2017
  7. René ScharfeApr 6, 2017
  8. Johannes SixtApr 6, 2017
  9. Martin LiškaApr 7, 2017
  10. René ScharfeApr 7, 2017
  11. 1/2 add MOVE_ARRAYRené Scharfe, Apr 7, 2017
  12. 2/2 use MOVE_ARRAYRené Scharfe, Apr 7, 2017
  13. Junio C HamanoApr 17, 2017
  14. Johannes SixtApr 17, 2017
  15. Johannes SchindelinApr 6, 2017

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