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(-)