Re: pg_ctl infinite loop and memory leak - Mailing list pgsql-bugs

Jeff Davis wrote:
> To reproduce:
>
> 1. initdb -D data
> 2. cat /dev/null > data/postgresql.conf
> 3. pg_ctl -w -D data start
>
> I attached a quick patch that seems to do the trick. It appears that
> fgets() will always return non-NULL if the size passed in is 1 (i.e.
> maxlength in the caller is 0).
>
> The patch also changes the same readfile() function in initdb.c. I
> assume it's not a practical problem there, but it should be fixed.
>
> Thanks to Corry Haines (chaines at truviso dot com) for reporting the
> problem.

I thought I knew the libc API pretty well, but I learned something new
here.  :-)

--
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + If your life is a hard drive, Christ can be your backup. +