Avoid non-constant format string argument to fprintf().

Heikki Linnakangas <heikki.linnakangas@iki.fi>

Commit: bff41b2b8938f5e3e7d536da6d7a14a1648b4dec
Author: Heikki Linnakangas <heikki.linnakangas@iki.fi>
Date: 2020-08-18T10:13:44Z
Releases: 13.0
Avoid non-constant format string argument to fprintf().

As Tom Lane pointed out, it could defeat the compiler's printf() format
string verification.

Backpatch to v12, like that patch that introduced it.

Discussion: https://www.postgresql.org/message-id/1069283.1597672779%40sss.pgh.pa.us

Files

Discussion