pgsql: Add const qualifiers to bufpage.h

From: Peter Eisentraut <peter(at)eisentraut(dot)org>
To: pgsql-committers(at)lists(dot)postgresql(dot)org
Subject: pgsql: Add const qualifiers to bufpage.h
Date: 2025-01-20 10:22:43
Message-ID: E1tZova-002XQD-Tl@gemulon.postgresql.org
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Add const qualifiers to bufpage.h

This makes use of the new PageData type.

PageGetSpecialPointer() had to be turned back into a macro, because it
is used in a way that sometimes it takes const and returns const and
sometimes takes non-const and returns non-const.

Discussion: https://www.postgresql.org/message-id/flat/692ee0da-49da-4d32-8dca-da224cc2800e(at)eisentraut(dot)org

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/4f4a1d853a5c2d31f11c56939c44aa917e77c1da

Modified Files
--------------
src/backend/storage/page/bufpage.c | 32 ++++++++--------
src/include/storage/bufpage.h | 75 +++++++++++++++++++-------------------
2 files changed, 53 insertions(+), 54 deletions(-)

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