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84bf6ece1f
This was broken by commit 0e7e355f27302b62af3e1add93853ccd45678443 and friends, which ignored the fact that gzopen() will treat "-1" in the mode argument as an invalid character, which it ignores, and a flag for compression level 1. Now, when this value is encountered no compression level flag is passed to gzopen, leaving it to use the zlib default. Also, enforce the documented allowed range for pg_dump's -Z option, namely 0 .. 9, and remove some consequently dead code from pg_backup_tar.c. Problem reported by Marc Mamin. Backpatch to 9.1, like the patch that introduced the bug.
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/.