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do_text_output_multiline() would fail (typically with a null pointer dereference crash) if its input string did not end with a newline. Such cases do not arise in our current sources; but it certainly could happen in future, or in extension code's usage of the function, so we should fix it. To fix, replace "eol += len" with "eol = text + len". While at it, make two cosmetic improvements: mark the input string const, and rename the argument from "text" to "txt" to dodge pgindent strangeness (since "text" is a typedef name). Even though this problem is only latent at present, it seems like a good idea to back-patch the fix, since it's a very simple/safe patch and it's not out of the realm of possibility that we might in future back-patch something that expects sane behavior from do_text_output_multiline(). Per report from Hao Lee. Report: <CAGoxFiFPAGyPAJLcFxTB5cGhTW2yOVBDYeqDugYwV4dEd1L_Ag@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: http://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 http://www.postgresql.org/download/. For more information look at our web site located at http://www.postgresql.org/.