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Tom Lane a2969bd72c Fix off-by-one loop count in MapArrayTypeName, and get rid of static array. 
MapArrayTypeName would copy up to NAMEDATALEN-1 bytes of the base type
name, which of course is wrong: after prepending '_' there is only room for
NAMEDATALEN-2 bytes.  Aside from being the wrong result, this case would
lead to overrunning the statically allocated work buffer.  This would be a
security bug if the function were ever used outside bootstrap mode, but it
isn't, at least not in any currently supported branches.

Aside from fixing the off-by-one loop logic, this patch gets rid of the
static work buffer by having MapArrayTypeName pstrdup its result; the sole
caller was already doing that, so this just requires moving the pstrdup
call.  This saves a few bytes but mainly it makes the API a lot cleaner.

Back-patch on the off chance that there is some third-party code using
MapArrayTypeName with less-secure input.  Pushing pstrdup into the function
should not cause any serious problems for such hypothetical code; at worst
there might be a short term memory leak.

Per Coverity scanning.
2014-12-16 15:35:49 -05:00
config Accept tcl 8.6 in configure's probe for tclsh. 2014-05-10 10:48:14 -04:00
contrib Fix file descriptor leak after failure of a \setshell command in pgbench. 2014-12-16 13:32:38 -05:00
doc Improve documentation's description of JOIN clauses. 2014-11-19 16:00:40 -05:00
src Fix off-by-one loop count in MapArrayTypeName, and get rid of static array. 2014-12-16 15:35:49 -05:00
.gitignore Convert cvsignore to gitignore, and add .gitignore for build targets. 2010-09-22 12:57:06 +02:00
aclocal.m4 Add new auto-detection of thread flags. 2004-04-23 18:15:55 +00:00
configure Diagnose incompatible OpenLDAP versions during build and test. 2014-07-22 11:02:25 -04:00
configure.in Diagnose incompatible OpenLDAP versions during build and test. 2014-07-22 11:02:25 -04:00
COPYRIGHT Update copyright for 2014 2014-01-07 16:05:29 -05:00
GNUmakefile.in Don't generate plain-text HISTORY and src/test/regress/README anymore. 2014-02-10 20:48:27 -05:00
HISTORY Improve text of stub HISTORY file. 2014-02-12 18:16:41 -05:00
Makefile Add new make targets "world", "install-world" and "installcheck-world" to build, install and check just about everything. 2010-01-28 23:59:52 +00:00
README Don't generate plain-text HISTORY and src/test/regress/README anymore. 2014-02-10 20:48:27 -05:00
README.git Don't generate plain-text HISTORY and src/test/regress/README anymore. 2014-02-10 20:48:27 -05:00

README 

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/.