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Commit352f6f2dused %d instead of %lu to format DWORD (unsigned long) with psprintf(). The _WIN32_WINNT value recently changed for MinGW in REL_15_STABLE (commitd700e8d7), so the code was suddenly being compiled, with warnings from gcc. The warnings were already fixed in 16+ by commits495ed0efanda9bc04b2after the _WIN32_WINNT value was increase there. 14 and 13 didn't warn because they still use a lower value for MinGW, and supported versions of Visual Studio should compile the code in all live branches but don't check our format string. The change doesn't affect the result: sizeof(int) == sizeof(long) on this platform, and the values are computed with expressions that cannot exceed INT_MAX so were never interpreted as negative. Back-patch the formatting change from those commits into 13-15. This should turn CI's 15 branch green again and stop fairywren from warning about that on 15. Reported-by: Andres Freund <andres@anarazel.de> Reported-by: Peter Eisentraut <peter@eisentraut.org> Discussion: https://postgr.es/m/t2vjrcb3bloxf5qqvxjst6r7lvrefqyecxgt2koy5ho5b5glr2%40yuupmm6whgob
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/.