David Rowley <dgrowleyml@gmail.com> writes:
> - StrNCpy(msg.m_xlog, xlog, sizeof(msg.m_xlog));
> + strlcpy(msg.m_xlog, xlog, sizeof(msg.m_xlog));
> Will mean that we'll now no longer zero the full length of the m_xlog
> field after the end of the string. Won't that mean we'll start writing
> junk bytes to the stats collector?
StrNCpy doesn't zero-fill the destination today either (except for
the very last byte). If you need that, you need to memset the
dest buffer ahead of time.
I didn't review the patch in complete detail, but the principle
seems sound to me, and strlcpy is surely more standard than StrNCpy.
regards, tom lane
