Horton

Re: initdb fails to initialize data directory

Alvaro Herrera <alvherre@alvh.no-ip.org>

View thread View on postgr.es
From: Alvaro Herrera <alvherre@alvh.no-ip.org>
To: Nikhil Sontakke <nikhils@2ndquadrant.com>
Cc: PostgreSQL mailing lists <pgsql-hackers@postgresql.org>
Date: 2018-04-19T13:38:43Z
Lists: pgsql-hackers 
Nikhil Sontakke wrote:

> Intrigued, on digging down further, this is happening because we are
> not using a long enough buffer to accept the output of "postgres -V"
> in the find_other_exec() function. In our case, we had used
> --with-extra-version option with configure which caused the output of
> "postgres -V" to go a little beyond the current "line" variable size.
> This caused the strcmp to fail leading to initdb refusing to
> initialize any data directories at all.

Wow, that seems pretty silly nowadays.

Will push in a jiffy.

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

Commits

  1. Enlarge find_other_exec's meager fgets buffer