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447cf2f8e9
We do not really need to track the file position by hand. We were already relying on ftello() whenever the archive file is seekable, while if it's not seekable we don't need the file position info anyway because we're not going to be able to re-write the TOC. Moreover, that tracking was buggy since it failed to account for the effects of fseeko(). Somewhat remarkably, that seems not to have made for any live bugs up to now. We could fix the oversights, but it seems better to just get rid of the whole error-prone mess. In itself this is merely code cleanup. However, it's necessary infrastructure for an upcoming bug-fix patch (because that code *does* need valid file position after fseeko). The bug fix needs to go back as far as v12; hence, back-patch that far. Discussion: https://postgr.es/m/CALBH9DDuJ+scZc4MEvw5uO-=vRyR2=QF9+Yh=3hPEnKHWfS81A@mail.gmail.com |
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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. 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/.