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Tom Lane d2b0b60e71 Improve our response to invalid format strings, and detect more cases.
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
2018-12-06 15:08:44 -05:00
config Update config/ax_pthread.m4 to latest upstream version. 2018-11-19 15:05:33 -05:00
contrib postgres_fdw: Improve cost and size estimation for aggregate pushdown. 2018-12-04 17:18:58 +09:00
doc Improve planner stats documentation 2018-12-06 11:39:09 -05:00
src Improve our response to invalid format strings, and detect more cases. 2018-12-06 15:08:44 -05:00
.dir-locals.el Update documentation editor setup instructions 2018-07-13 21:23:41 +02:00
.gitattributes Remove contrib/tsearch2. 2017-02-13 11:06:11 -05:00
.gitignore Support for optimizing and emitting code in LLVM JIT provider. 2018-03-22 11:05:22 -07:00
aclocal.m4 Fix configure's AC_CHECK_DECLS tests to work correctly with clang. 2018-11-19 12:01:47 -05:00
configure Update config/ax_pthread.m4 to latest upstream version. 2018-11-19 15:05:33 -05:00
configure.in Postpone LLVM-related uses of AC_CHECK_DECLS. 2018-11-19 12:43:20 -05:00
COPYRIGHT Update copyright for 2018 2018-01-02 23:30:12 -05:00
GNUmakefile.in Remove unwanted "garbage cleanup" logic in Makefiles. 2018-08-08 14:32:29 -04:00
HISTORY Change documentation references to PG website to use https: not http: 2017-05-20 21:50:47 -04:00
Makefile Fix non-GNU makefiles for AIX make. 2017-11-30 00:57:22 -08:00
README Change documentation references to PG website to use https: not http: 2017-05-20 21:50:47 -04:00
README.git Change documentation references to PG website to use https: not http: 2017-05-20 21:50:47 -04:00

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/.