Re: [PATCH v2] lib/string.c: implement a basic bcmp

Steven Rostedt
2019-03-13T18:40:23Z

On Wed, 13 Mar 2019 11:17:15 -0700
Nick Desaulniers <ndesaulniers@google.com> wrote:

> +#ifndef __HAVE_ARCH_BCMP
> +/**
> + * bcmp - Like memcmp but a non-zero return code simply indicates a non-match.
> + * @cs: One area of memory.
> + * @ct: Another area of memory.
> + * @count: The size of the areas.
> + */
> +#undef bcmp
> +int bcmp(const void *cs, const void *ct, size_t count)
> +{
> + return memcmp(cs, ct, count);

This is confusing where the comment says "like memcmp but .." and then
just returns memcmp() unmodified. If anything, I would expect to see

return !!memcmp(cs, ct, conut);

or have a better comment explaining why its the same.

-- Steve

> +}
> +EXPORT_SYMBOL(bcmp);
> +#endif
> +