Обсуждение: pgsql: Improve const use in zlib-using code

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pgsql: Improve const use in zlib-using code

От
Peter Eisentraut
Дата:
Improve const use in zlib-using code

If we define ZLIB_CONST before including zlib.h, zlib augments some
interfaces with const decorations.  By doing that we can keep our own
interfaces cleaner and can remove some unconstify calls.

ZLIB_CONST was introduced in zlib 1.2.5.2 (17 Dec 2011).  When
compiling with older zlib releases, you might now get compiler
warnings about discarding qualifiers.

CentOS 6 has zlib 1.2.3, but in 8e278b6576, we removed support for the
OpenSSL release in CentOS 6, so it seems ok to de-support the zlib
release in CentOS 6 as well.

Reviewed-by: Tristan Partin <tristan@neon.tech>
Discussion: https://www.postgresql.org/message-id/flat/33462926-bb1e-7cc9-8d92-d86318e8ed1d%40eisentraut.org

Branch
------
master

Details
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https://git.postgresql.org/pg/commitdiff/67c0ef9752ade6dc252a19be8d2259847d4eb78d

Modified Files
--------------
contrib/pgcrypto/pgp-compress.c         | 2 +-
src/bin/pg_basebackup/bbstreamer_gzip.c | 2 +-
src/bin/pg_basebackup/walmethods.c      | 5 ++---
src/include/c.h                         | 5 +++++
4 files changed, 9 insertions(+), 5 deletions(-)