GNU bug report logs - #70036
30.0.50; Move file-truename to the C level

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From: Theodor Thornhill <theo <at> thornhill.no>
To: Po Lu <luangruo <at> yahoo.com>
Cc: Eli Zaretskii <eliz <at> gnu.org>, 70036 <at> debbugs.gnu.org
Subject: bug#70036: 30.0.50; Move file-truename to the C level
Date: Thu, 28 Mar 2024 08:03:43 +0100

Po Lu <luangruo <at> yahoo.com> writes:

> Theodor Thornhill <theo <at> thornhill.no> writes:
>
>> OK - for my education on the portability argument. Is that because of
>> Emacs support targets like haiku and old versions of windows, or
>> something else inherent in these functions?
>
> Haiku supports realpath, but not wordexp.  We must reimplement virtually
> all POSIX functions of this nature on Windows, as the versions provided
> by system C libraries, if they exist at all, are inadequate for some
> reason or another.  Furthermore, these functions are absent from a
> number of other operating systems, such as OpenBSD and Android 14.0, and
> on others (Alpine, I believe) wordexp is severely inefficient for being
> implemented as a wrapper around /bin/sh.

Thanks for the input!

Theo

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