pgsql: Add use of asprintf()

Add use of asprintf()

Add asprintf(), pg_asprintf(), and psprintf() to simplify string
allocation and composition. Replacement implementations taken from
NetBSD.

Reviewed-by: Álvaro Herrera <alvherre(at)2ndquadrant(dot)com>
Reviewed-by: Asif Naeem <anaeem(dot)it(at)gmail(dot)com>

Branch
------
master

Details
-------
http://git.postgresql.org/pg/commitdiff/5b6d08cd2992922b667564a49f19580f11676050

Modified Files
--------------
configure | 3 +-
configure.in | 2 +-
contrib/adminpack/adminpack.c | 3 +-
contrib/oid2name/oid2name.c | 3 +-
contrib/pg_upgrade/check.c | 21 +++------
contrib/pg_upgrade/tablespace.c | 7 +--
contrib/pg_upgrade/util.c | 5 +-
contrib/pg_upgrade/version_old_8_3.c | 4 +-
contrib/spi/refint.c | 3 +-
contrib/spi/timetravel.c | 3 +-
src/backend/bootstrap/bootstrap.c | 4 +-
src/backend/catalog/catalog.c | 20 ++------
src/backend/commands/tablespace.c | 16 +++----
src/backend/libpq/auth.c | 21 ++-------
src/backend/optimizer/plan/subselect.c | 3 +-
src/backend/parser/gram.y | 33 ++-----------
src/backend/postmaster/postmaster.c | 7 +--
src/backend/utils/adt/cash.c | 22 ++++-----
src/backend/utils/adt/dbsize.c | 28 +++--------
src/backend/utils/adt/misc.c | 13 ++----
src/backend/utils/fmgr/dfmgr.c | 12 +----
src/backend/utils/fmgr/fmgr.c | 5 +-
src/backend/utils/init/miscinit.c | 8 +---
src/backend/utils/misc/guc.c | 3 +-
src/backend/utils/mmgr/mcxt.c | 49 ++++++++++++++++++++
src/bin/initdb/initdb.c | 31 ++++---------
src/bin/pg_ctl/pg_ctl.c | 16 ++-----
src/bin/pg_dump/compress_io.c | 10 ++--
src/bin/pg_dump/pg_dump.c | 6 +--
src/bin/psql/command.c | 40 ++++++----------
src/bin/psql/common.c | 9 +---
src/bin/psql/copy.c | 4 +-
src/bin/psql/input.c | 6 +--
src/bin/psql/large_obj.c | 8 ++--
src/bin/psql/startup.c | 14 ++----
src/bin/psql/tab-complete.c | 4 +-
src/common/fe_memutils.c | 39 ++++++++++++++++
src/common/relpath.c | 38 ++++-----------
src/include/common/fe_memutils.h | 1 +
src/include/pg_config.h.in | 3 ++
src/include/port.h | 5 ++
src/include/utils/palloc.h | 2 +
.../ecpg/test/expected/pgtypeslib-dt_test2.c | 9 ++--
src/interfaces/ecpg/test/pgtypeslib/dt_test2.pgc | 9 ++--
src/interfaces/libpq/fe-auth.c | 17 +++----
src/test/isolation/isolationtester.c | 10 ++--
src/test/regress/pg_regress.c | 37 ++++++---------
47 files changed, 253 insertions(+), 363 deletions(-)