Date: Tue, 22 Sep 2020 19:53:48 +0300 From: Ville Voutilainen <ville.voutilainen@...il.com> To: Jonathan Wakely <jwakely@...hat.com> Cc: Rich Felker <dalias@...c.org>, Florian Weimer <fweimer@...hat.com>, gcc@....gnu.org, "libstdc++" <libstdc++@....gnu.org>, Libc-alpha <libc-alpha@...rceware.org>, libc-coord@...ts.openwall.com Subject: Re: Re: Expose 'array_length()' macro in <sys/cdefs.h> or <sys/param.h> On Tue, 22 Sep 2020 at 19:46, Jonathan Wakely via Libstdc++ <libstdc++@....gnu.org> wrote: > > On 22/09/20 12:25 -0400, Rich Felker wrote: > >Is there really a reason to want a nonstandard macro like this to do > >something that's already trivial to do in the base language and has a > >standard idiom (sizeof x / sizeof *x)? > > IMHO no. While it's anciently stupid that that trick needs to be learned by every programmer instead of having something straightforward readily available, I can't become a fan of this direction when it introduces lowercase macros that might clash with something existing or something that other people will want to write. And yes, I know, we can't do any better in C, due to array decay.
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