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When pg_nodiscard was first added, the C standard draft had it as a function specifier, and so the code comment about placement was written with that in mind. The final C23 standard has it as an attribute and the placement rules are a bit different for that. Specifically, it needs to be before extern or static. (Or at least both current clang and gcc require that.) So just swap these. (To be clear: The current implementation with gcc attributes doesn't care. This change is just for maximum forward compatibility for non-gcc compilers.) This also keeps the order consistent with the previously introduced pg_noreturn. Also update the code comment to reflect the mentioned developments since its introduction. Reviewed-by: Dagfinn Ilmari Mannsåker <ilmari@ilmari.org> Reviewed-by: Andres Freund <andres@anarazel.de> Discussion: https://www.postgresql.org/message-id/flat/pxr5b3z7jmkpenssra5zroxi7qzzp6eswuggokw64axmdixpnk@zbwxuq7gbbcw |
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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.
Copyright and license information can be found in the file COPYRIGHT.
General documentation about this version of PostgreSQL can be found at https://www.postgresql.org/docs/devel/. In particular, information about building PostgreSQL from the source code can be found at https://www.postgresql.org/docs/devel/installation.html.
The latest version of this software, and related software, may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.