pgsql: Map pg_attribute_counted_by() to _Field_size_() under MSVC

From: Peter Eisentraut <peter(at)eisentraut(dot)org>
To: pgsql-committers(at)lists(dot)postgresql(dot)org
Subject: pgsql: Map pg_attribute_counted_by() to _Field_size_() under MSVC
Date: 2026-10-03 21:27:59
Message-ID: E1xD7Gx-00000000CCk-05Fu@gemulon.postgresql.org
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Map pg_attribute_counted_by() to _Field_size_() under MSVC

MSVC has no counted_by attribute, but its source annotation
language (SAL) has _Field_size_(), which states the same property: the
field is a buffer whose writable size in elements is given by the
named expression.

MSVC's static analyzer (/analyze) will make use of the information.

Author: Tristan Partin <tristan(at)partin(dot)io>
Discussion: https://www.postgresql.org/message-id/flat/DKBEBF32QLUA.3L2DJRPUYNKHZ%40partin.io

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/9dcaea6edc8c3f8a658ff788c94b6a896ae254af

Modified Files
--------------
src/include/c.h | 10 ++++++++++
1 file changed, 10 insertions(+)

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