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MSVC in C11 mode supports the standard restrict qualifier, so we don't need the workaround naming pg_restrict anymore. Even though restrict is in C99 and should be supported by all supported compilers, we keep the configure test and the hardcoded redirection to __restrict, because that will also work in C++ in all supported compilers. (restrict is not part of the C++ standard.) For backward compatibility for extensions, we keep a #define of pg_restrict around, but our own code doesn't use it anymore. Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us> Discussion: https://www.postgresql.org/message-id/flat/0e3d8644-c01d-4374-86ea-9f0a987981f0%40eisentraut.org
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/.