pgsql: Defend against null error message reported by libxml2.

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От Tom Lane
Тема pgsql: Defend against null error message reported by libxml2.
Дата
Msg-id E1gsAw1-0003iq-Hk@gemulon.postgresql.org
обсуждение исходный текст
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Defend against null error message reported by libxml2.

While this isn't really supposed to happen, it can occur in OOM
situations and perhaps others.  Instead of crashing, substitute
"(no message provided)".

I didn't worry about localizing this text, since we aren't
localizing anything else here; besides, if we're on the edge of
OOM, it's unlikely gettext() would work.

Report and fix by Sergio Conde Gómez in bug #15624.

Discussion: https://postgr.es/m/15624-4dea54091a2864e6@postgresql.org

Branch
------
REL9_6_STABLE

Details
-------
https://git.postgresql.org/pg/commitdiff/ef922faea703aff4996eab17520cb5201a793701

Modified Files
--------------
src/backend/utils/adt/xml.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)


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