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Michael Paquier fe0a1dc52c Revert "Change SHA2 implementation based on OpenSSL to use EVP digest routines" 
This reverts commit e21cbb4, as the switch to EVP routines requires a
more careful design where we would need to have at least our wrapper
routines return a status instead of issuing an error by themselves to
let the caller do the error handling.  The memory handling was also
incorrect and could cause leaks in the backend if a failure happened,
requiring most likely a callback to do the necessary cleanup as the only
clean way to be able to allocate an EVP context requires the use of an
allocation within OpenSSL.  The potential rework of the wrappers also
impacts the fallback implementation when not building with OpenSSL.

Originally, prairiedog has reported a compilation failure, but after
discussion with Tom Lane this needs a better design.

Discussion: https://postgr.es/m/20200928073330.GC2316@paquier.xyz
 		2020-09-29 09:25:51 +09:00
config Rename configure.in to configure.ac 2020-07-24 10:42:08 +02:00
contrib Remove custom memory allocation layer in pgcrypto 2020-09-25 10:25:55 +09:00
doc Add new 'old_snapshot' contrib module. 2020-09-24 13:55:47 -04:00
src Revert "Change SHA2 implementation based on OpenSSL to use EVP digest routines" 2020-09-29 09:25:51 +09:00
.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
.gitattributes gitattributes: Add new file 2019-11-12 08:13:55 +01:00
.gitignore Support for optimizing and emitting code in LLVM JIT provider. 2018-03-22 11:05:22 -07:00
COPYRIGHT Update copyrights for 2020 2020-01-01 12:21:45 -05:00
GNUmakefile.in Make install-tests target work with vpath builds 2020-05-31 18:33:00 -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
aclocal.m4 Fix configure's AC_CHECK_DECLS tests to work correctly with clang. 2018-11-19 12:01:47 -05:00
configure Split Makefile symbol CFLAGS_VECTOR into two symbols. 2020-09-06 21:28:16 -04:00
configure.ac Split Makefile symbol CFLAGS_VECTOR into two symbols. 2020-09-06 21:28:16 -04:00

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:

	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/.