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Places that are testing for *printf failure ought to include the format string in their error reports, since bad-format-string is one of the more likely causes of such failure. This both makes it easier to find and repair the mistake, and provides at least some useful info to the user who stumbles across such a problem. Also, tighten snprintf.c to report EINVAL for an invalid flag or final character in a format %-spec (including the case where the %-spec is missing a final character altogether). This seems like better project policy, and it also allows removing an instruction or two from the hot code path. Back-patch the error reporting change in pvsnprintf, since it should be harmless and may be helpful; but not the snprintf.c change. Per discussion of bug #15511 from Ertuğrul Kahveci, which reported an invalid translated format string. These changes don't fix that error, but they should improve matters next time we make such a mistake. Discussion: https://postgr.es/m/15511-1d8b6a0bc874112f@postgresql.org |
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README.git |
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/.