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c19024d74e
There's a convention that externally-visible libpq functions should check for a NULL PGconn pointer, and fail gracefully instead of crashing. PQflush() and PQisnonblocking() didn't get that memo though. Also add a similar check to PQdefaultSSLKeyPassHook_OpenSSL; while it's not clear that ordinary usage could reach that with a null conn pointer, it's cheap enough to check, so let's be consistent. Daniele Varrazzo and Tom Lane Discussion: https://postgr.es/m/CA+mi_8Zm_mVVyW1iNFgyMd9Oh0Nv8-F+7Y3-BqwMgTMHuo_h2Q@mail.gmail.com |
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