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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug locale/29090] strfmon does not set E2BIG when buffer is too small
Date: Tue, 26 Apr 2022 09:18:28 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D29090

Florian Weimer <fweimer at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |fweimer at redhat dot com

--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
I believe my vfprintf series fixes this:

[PATCH 20/26] stdio-common: Convert vfprintf and related functions to buffe=
rs
https://sourceware.org/pipermail/libc-alpha/2022-March/137154.html

Specifically, the new implementation does not use a temporary string buffer.
Instead, __printf_fp_l_buffer writes directly to the strfmon buffer that se=
ts
E2BIG on overflow. We should add a test case for this, though.

--=20
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