GNU bug report logs - #58966
[Trunk] Xcode 14.1+ (and macOS 13.0+) deprecate sprintf()

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From: Gerd Möllmann <gerd.moellmann <at> gmail.com>
To: Jacob Faibussowitsch <jacob.fai <at> gmail.com>
Cc: 58966 <at> debbugs.gnu.org
Subject: bug#58966: [Trunk] Xcode 14.1+ (and macOS 13.0+) deprecate sprintf()
Date: Thu, 03 Nov 2022 06:56:25 +0100

Jacob Faibussowitsch <jacob.fai <at> gmail.com> writes:

> Fresh build this morning produces many such warnings. I have attached
> config.log and make.log:
>
> buffer.c:1223:46: warning: 'sprintf' is deprecated: This function is provided for compatibility reasons only.  Due to security concerns inherent in the design of sprintf(3), it is highly recommended that you use snprintf(3) instead. [-Wdeprecated-declarations]
>       AUTO_STRING_WITH_LEN (lnumber, number, sprintf (number, "-%d", i));
>                                              ^

Yeah, I've got 14.1 over night now, too, and I now see the same :-(.

From a hort look, just replacing sprintf variants with snprintf variants
won't be enough.  Things like make_formatted_string would require
interface changes, for example.

I short, that looks to me like a ton of boring and potentially bug-prone
work.

What do the maintainers think about this?

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