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Commit c0cb87fbb unwisely introduced a dependency on the StringInfo machinery in fe-connect.c. We must not use that in libpq, because it will do a summary exit(1) if it hits OOM, and that is not appropriate behavior for a general-purpose library. The goal of allowing arbitrary line lengths in service files doesn't seem like it's worth a lot of effort, so revert back to the previous method of using a stack-allocated buffer and failing on buffer overflow. This isn't an exact revert though. I kept that patch's refactoring to have a single exit path, as that seems cleaner than having each error path know what to do to clean up. Also, I made the fixed-size buffer 1024 bytes not 256, just to push off the need for an expandable buffer some more. There is more to do here; in particular the lack of any mechanical check for this type of mistake now seems pretty hazardous. But this fix gets us back to the level of robustness we had in v13, anyway. Discussion: https://postgr.es/m/daeb22ec6ca8ef61e94d766a9b35fb03cabed38e.camel@vmware.com
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/.