8354b9d6b6
Instead of using comments to mark fallthrough switch cases, use the fallthrough attribute. This will (in the future, not here) allow supporting other compilers besides gcc. The commenting convention is only supported by gcc, the attribute is supported by clang, and in the fullness of time the C23 standard attribute would allow supporting other compilers as well. Right now, we package the attribute into a macro called pg_fallthrough. This commit defines that macro and replaces the existing comments with that macro invocation. We also raise the level of the gcc -Wimplicit-fallthrough= option from 3 to 5 to enforce the use of the attribute. Reviewed-by: Jelte Fennema-Nio <postgres@jeltef.nl> Discussion: https://www.postgresql.org/message-id/flat/76a8efcd-925a-4eaf-bdd1-d972cd1a32ff%40eisentraut.org |
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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/.