On Tue, Nov 18, 2025 at 11:32 AM Andy Shevchenko
<[email protected]> wrote:
>
> On Tue, Nov 18, 2025 at 12:14 PM Bartosz Golaszewski <[email protected]> wrote:
> > On Tue, Nov 18, 2025 at 11:09 AM Andy Shevchenko
> > <[email protected]> wrote:
> > > On Tue, Nov 18, 2025 at 12:04 PM Bartosz Golaszewski <[email protected]> 
> > > wrote:
>
> ...
>
> > > > A couple follow-up changes to the new strends() string helper. This
> > > > needs to go through the GPIO tree as this is where the strends()
> > > > currently is.
>
> > > For the
> > > strends() I proposed to get rid of strlen() calls by
> > >
> > >   char *p;
> > >
> > >   p = strrchr(str, suffix[0[);
> > >   if (!p)
> > >     return false;
> > >
> > >   return strcmp(p, suffix) == 0;
> >
> > IMO that's a bit less readable. Unless you benchmark it and show it's
> > faster than the current version, I'd say: let's keep the current
> > implementation.
>
> For the static suffixes the second strlen() becomes a hardcoded value,
> and I expect the benchmark will be closer to the variant I propose.
> Otherwise it will be definitely faster as the strrchr() implies
> partial strlen() and strcmp() is the same or even faster in my case as
> here we don't do the additional calculations with the pointers. Do you
> really need a benchmark for this?
>

Ok, I don't want to load too much string-related stuff into my tree.
I'm adding it to my TODO list for the next release where I already
have an item to replace the OF-specific implementation of suffix
comparator with strends().

Bart

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