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Peter Eisentraut e9e63b7022 Fix inappropriate uses of PG_GETARG_UINT32()
The chr() function used PG_GETARG_UINT32() even though the argument is
declared as (signed) integer.  As a result, you can pass negative
arguments to this function and it internally interprets them as
positive.  Ultimately ends up being harmless, but it seems wrong, so
fix this and rearrange the internal error checking a bit to
accommodate this.

Another case was in the documentation, where example code used
PG_GETARG_UINT32() with an argument declared as signed integer.

Reviewed-by: Nathan Bossart <bossartn@amazon.com>
Discussion: https://www.postgresql.org/message-id/flat/7e43869b-d412-8f81-30a3-809783edc9a3%40enterprisedb.com
2021-12-06 13:37:11 +01:00
config Pacify perlcritic. 2021-11-22 15:57:31 -05:00
contrib Some RELKIND macro refactoring 2021-12-03 14:08:19 +01:00
doc Fix inappropriate uses of PG_GETARG_UINT32() 2021-12-06 13:37:11 +01:00
src Fix inappropriate uses of PG_GETARG_UINT32() 2021-12-06 13:37:11 +01:00
.dir-locals.el Make Emacs perl-mode indent more like perltidy. 2019-01-13 11:32:31 -08:00
.editorconfig Add .editorconfig 2019-12-18 09:13:13 +01:00
.git-blame-ignore-revs Add another old commit to git-blame-ignore-revs. 2021-11-03 17:34:19 -07:00
.gitattributes gitattributes: Add new entry to silence whitespace error 2021-06-05 07:57:31 +02:00
.gitignore Support for optimizing and emitting code in LLVM JIT provider. 2018-03-22 11:05:22 -07:00
aclocal.m4 Probe $PROVE not $PERL while checking for modules needed by TAP tests. 2021-11-22 12:54:52 -05:00
configure Add configure probe for rl_variable_bind(). 2021-12-02 13:06:27 -05:00
configure.ac Add configure probe for rl_variable_bind(). 2021-12-02 13:06:27 -05:00
COPYRIGHT Update copyright for 2021 2021-01-02 13:06:25 -05:00
GNUmakefile.in add missing tag from commit b8c4261e5e 2021-07-01 15:47:46 -04:00
HISTORY Canonicalize some URLs 2020-02-10 20:47:50 +01:00
Makefile Don't unset MAKEFLAGS in non-GNU Makefile. 2019-06-25 09:36:21 +12:00
README Canonicalize some URLs 2020-02-10 20:47:50 +01:00
README.git Canonicalize some URLs 2020-02-10 20:47:50 +01:00

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/.