Re: [PATCH linux-phy v2 1/4] string.h: Add str_has_proper_prefix()

From: Andy Shevchenko
Date: Thu Aug 18 2022 - 15:11:40 EST


On Wed, Aug 17, 2022 at 11:06 PM Marek Behún <kabel@xxxxxxxxxx> wrote:
>
> Add str_has_proper_prefix(), similar to str_has_prefix(), but requires
> that the prefix is proper: the string itself must be longer than the
> prefix.
>
> Signed-off-by: Marek Behún <kabel@xxxxxxxxxx>
> ---
> Andy, Kees, could you ack this if it is ok?

Seems to me there are too many strlen():s. One is hidden in strncmp().

Besides not the good naming (what 'proper' means), the entire function
is not needed. You may simply call

str_has_prefix() && p[len] != '\0';

Correct?

--
With Best Regards,
Andy Shevchenko