Re: file-equal-p

[Po Lu]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Po Lu <luangruo@yahoo.com>
>> Cc: emacs-devel@gnu.org
>> Date: Thu, 16 Feb 2023 16:43:25 +0800
>> 
>> Eli Zaretskii <eliz@gnu.org> writes:
>> 
>> > Fix Haiku?  A 'stat' call accesses the directory and file's meta-data,
>> > not the file itself, so what Haiku does makes no sense, IMO.
>> >
>> > But if you cannot fix Haiku, a suitable haiku-only change in
>> > file-equal-p, whereby the access times are exempt from comparison, is
>> > a possibility.
>> 
>> Something like this?
>
> I'd prefer to have the original full comparison done first, and only
> if it fails, do the tailored comparison only for Haiku.  That's
> because most systems don't need this, and so testing the condition in
> all cases will slow down those other systems.

But here, the test is only done at all when (eq system-type 'haiku).