PG Bug reporting form <noreply(at)postgresql(dot)org> writes:
> postgresql-11.3/src/interfaces/libpq/fe-misc.c:1060]: (style) Comparison of
> a function returning boolean value using relational (<, >, <= or >=)
> operator.
> Source code is
> if (forRead && conn->ssl_in_use && pgtls_read_pending(conn) > 0)
> but
> ./src/interfaces/libpq/libpq-int.h:extern bool pgtls_read_pending(PGconn
> *conn);
It looks like the "> 0" belongs inside pgtls_read_pending, since
SSL_pending is documented to return an integer count. This is
probably harmless with C99-style bools, but if we were doing it
like that before PG v12, it could be a live bug in the back
branches. I'll check.
Thanks for the report!
regards, tom lane