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(parent: ccae096) | patch
Defend against null error message reported by libxml2.
authorTom Lane <tgl@sss.pgh.pa.us>
Fri, 8 Feb 2019 18:30:42 +0000 (13:30 -0500)
committerTom Lane <tgl@sss.pgh.pa.us>
Fri, 8 Feb 2019 18:31:23 +0000 (13:31 -0500)
commit37f3a7751efb2c2c3128dbc9f2571a99fe5f6396
treef64836aaaed09f7e41c8ee5922488c5385a000a1tree
parentccae096ba8e16b161be11369da6ca20c17348c0acommit | diff
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
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