pgsql: libpq_pipeline: Must strdup(optarg) to avoid crash

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От Alvaro Herrera
Тема pgsql: libpq_pipeline: Must strdup(optarg) to avoid crash
Дата
Msg-id E1lRxNq-0001ia-Eg@gemulon.postgresql.org
обсуждение исходный текст
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libpq_pipeline: Must strdup(optarg) to avoid crash

I forgot to strdup() when processing argv[].  Apparently many platforms
hide this mistake from users, but in those that don't you may get a
program crash.  Repair.

Per buildfarm member drongo, which is the only one in all the buildfarm
manifesting a problem here.

While at it, move "numrows" processing out of the line of special cases,
and make it getopt's -r instead.  (A similar thing could be done to
'conninfo', but current use of the program doesn't warrant spending time
on that -- nowhere else we use conninfo in so simplistic a manner.)

Discussion: https://postgr.es/m/20210401124850.GA19247@alvherre.pgsql

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/dde1a35aee6266dc8105717275335c46cd2b3650

Modified Files
--------------
src/test/modules/libpq_pipeline/libpq_pipeline.c   | 32 +++++++++++-----------
.../modules/libpq_pipeline/t/001_libpq_pipeline.pl |  5 ++--
2 files changed, 18 insertions(+), 19 deletions(-)


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