pgsql: Add 'directory' format to pg_dump. The new directory format is c

Add 'directory' format to pg_dump. The new directory format is compatible
with the 'tar' format, in that untarring a tar format archive produces a
valid directory format archive.

Joachim Wieland and Heikki Linnakangas

Branch
------
master

Details
-------
http://git.postgresql.org/gitweb?p=postgresql.git;a=commitdiff;h=7f508f1c6b515df66d27f860b2faa7b5761fa55d

Modified Files
--------------
doc/src/sgml/ref/pg_dump.sgml         |   60 ++-
doc/src/sgml/ref/pg_restore.sgml      |   13 +-
src/bin/pg_dump/Makefile              |    2 +-
src/bin/pg_dump/compress_io.c         |  257 +++++++++++++
src/bin/pg_dump/compress_io.h         |   13 +
src/bin/pg_dump/pg_backup.h           |    3 +-
src/bin/pg_dump/pg_backup_archiver.c  |   48 +++-
src/bin/pg_dump/pg_backup_archiver.h  |    1 +
src/bin/pg_dump/pg_backup_directory.c |  678 +++++++++++++++++++++++++++++++++
src/bin/pg_dump/pg_backup_tar.c       |    6 +-
src/bin/pg_dump/pg_dump.c             |   97 ++++--
src/bin/pg_dump/pg_restore.c          |    9 +-
12 files changed, 1132 insertions(+), 55 deletions(-)