GNU bug report logs - #58291
29.0.50; MacOS compilation warning for possibly unitialized use in emacs.c

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Package: emacs;

Reported by: Gerd Möllmann <gerd.moellmann <at> gmail.com>

Date: Tue, 4 Oct 2022 15:27:01 UTC

Severity: normal

Found in version 29.0.50

Done: Stefan Kangas <stefankangas <at> gmail.com>

Bug is archived. No further changes may be made.

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From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Gerd Möllmann <gerd.moellmann <at> gmail.com>
Cc: 58291 <at> debbugs.gnu.org, Andreas Schwab <schwab <at> linux-m68k.org>
Subject: bug#58291: 29.0.50; MacOS compilation warning for possibly unitialized use in emacs.c
Date: Tue, 04 Oct 2022 20:40:41 +0200

Gerd Möllmann <gerd.moellmann <at> gmail.com> writes:

> This is latest master as of writing this.  When compiling emacs, I see
>
> emacs.c:899:7: warning: variable 'bufsize' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized]
>   if (!(emacs_executable && *emacs_executable))
>       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> emacs.c:964:7: note: uninitialized use occurs here
>   if (bufsize < needed)
>       ^~~~~~~

I guess this might be related to Andreas' recent fix?  Added to the CCs.
This bug report was last modified 2 years and 281 days ago.

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