pgsql: Assorted cleanup of tar-related code.

From: Robert Haas <rhaas(at)postgresql(dot)org>
To: pgsql-committers(at)lists(dot)postgresql(dot)org
Subject: pgsql: Assorted cleanup of tar-related code.
Date: 2020-06-15 20:48:46
Message-ID: E1jkw2A-0004YX-9f@gemulon.postgresql.org
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Assorted cleanup of tar-related code.

Introduce TAR_BLOCK_SIZE and replace many instances of 512 with
the new constant. Introduce function tarPaddingBytesRequired
and use it to replace numerous repetitions of (x + 511) & ~511.

Add preprocessor guards against multiple inclusion to pgtar.h.

Reformat the prototype for tarCreateHeader so it doesn't extend
beyond 80 characters.

Discussion: http://postgr.es/m/CA+TgmobWbfReO9-XFk8urR1K4wTNwqoHx_v56t7=T8KaiEoKNw@mail.gmail.com

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/2961c9711c17e5fe05fb1fbd72c3e47f3b601ee4

Modified Files
--------------
src/backend/replication/basebackup.c | 29 ++++++++++++++--------
src/bin/pg_basebackup/pg_basebackup.c | 46 +++++++++++++++++------------------
src/bin/pg_basebackup/walmethods.c | 25 +++++++++++--------
src/bin/pg_dump/pg_backup_tar.c | 30 ++++++++++++-----------
src/include/pgtar.h | 23 ++++++++++++++++--
5 files changed, 94 insertions(+), 59 deletions(-)

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