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Michael Paquier 58651d8dd6 Fix compatibility thinko for fstat() on standard streams in win32stat.c 
GetFinalPathNameByHandleA() cannot be used in compilation environments
where _WIN32_WINNT < 0x0600, meaning at least Windows XP used by some
buildfarm members under MinGW that Postgres still needs to support.
This was reported as a compilation warning by the buildfarm, but this is
actually worse than the report as the code would have not worked.

Instead, this switches to GetFileInformationByHandle() that is able to
fail for standard streams and succeed for redirected ones, which is what
we are looking for herein the code emulating fstat().  We also know that
it is able to work in all the environments still supported, thanks to
the existing logic of win32stat.c.

Issue introduced by 10260c7, so backpatch down to 14.

Reported-by: Justin Pryzby, via buildfarm member jacana
Author: Michael Paquier
Reviewed-by: Juan José Santamaría Flecha
Discussion: https://postgr.es/m/20211129050122.GK17618@telsasoft.com
Backpatch-through: 14
2021-11-30 09:55:50 +09:00
config Pacify perlcritic. 2021-11-22 15:57:31 -05:00
contrib Replace random(), pg_erand48(), etc with a better PRNG API and algorithm. 2021-11-28 21:33:07 -05:00
doc Doc: improve documentation about ORDER BY in matviews. 2021-11-29 12:13:12 -05:00
src Fix compatibility thinko for fstat() on standard streams in win32stat.c 2021-11-30 09:55:50 +09:00
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.git-blame-ignore-revs Add another old commit to git-blame-ignore-revs. 2021-11-03 17:34:19 -07:00
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aclocal.m4 Probe $PROVE not $PERL while checking for modules needed by TAP tests. 2021-11-22 12:54:52 -05:00
configure Replace random(), pg_erand48(), etc with a better PRNG API and algorithm. 2021-11-28 21:33:07 -05:00
configure.ac Replace random(), pg_erand48(), etc with a better PRNG API and algorithm. 2021-11-28 21:33:07 -05:00
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GNUmakefile.in add missing tag from commit b8c4261e5e 2021-07-01 15:47:46 -04:00
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README.git

README 

PostgreSQL Database Management System
=====================================

This directory contains the source code distribution of the PostgreSQL
database management system.

PostgreSQL is an advanced object-relational database management system
that supports an extended subset of the SQL standard, including
transactions, foreign keys, subqueries, triggers, user-defined types
and functions.  This distribution also contains C language bindings.

PostgreSQL has many language interfaces, many of which are listed here:

	https://www.postgresql.org/download/

See the file INSTALL for instructions on how to build and install
PostgreSQL.  That file also lists supported operating systems and
hardware platforms and contains information regarding any other
software packages that are required to build or run the PostgreSQL
system.  Copyright and license information can be found in the
file COPYRIGHT.  A comprehensive documentation set is included in this
distribution; it can be read as described in the installation
instructions.

The latest version of this software may be obtained at
https://www.postgresql.org/download/.  For more information look at our
web site located at https://www.postgresql.org/.