From: Zdenek Kabelac <zkabelac@redhat.com>
To: matthew patton <pattonme@yahoo.com>,
LVM general discussion and development <linux-lvm@redhat.com>
Subject: Re: [linux-lvm] lvm filter regex format
Date: Mon, 18 Dec 2017 23:43:57 +0100 [thread overview]
Message-ID: <eab88709-2581-97b7-707b-8423022670b1@redhat.com> (raw)
In-Reply-To: <72381975.739900.1513623186634@mail.yahoo.com>
Dne 18.12.2017 v 19:53 matthew patton napsal(a):
>> Â https://github.com/jthornber/lvm2-ejt/blob/master/libdm/regex/parse_rx.h
>
> not to be ungrateful but why on earth would one NOT use the glibc standard regex library? Nobody cares about pointless optimization. Surprises like "well, we only implemented most of the spec" are what drives people nuts!
>
> I agree this particular length-based match is rather odd but there are plenty of useful examples I am sure that could benefit from {x,y} notation.
Such code was actually written long time ago - but since the syntax of
standard glibc regex accepts slightly different strings - it would be an
incompatible change - so it's been considered now worth breaking the
compatibility at that time...
Regards
Zdenek
next prev parent reply other threads:[~2017-12-18 22:43 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <72381975.739900.1513623186634.ref@mail.yahoo.com>
2017-12-18 18:53 ` [linux-lvm] lvm filter regex format matthew patton
2017-12-18 22:43 ` Zdenek Kabelac [this message]
2017-12-19 8:51 ` Joe Thornber
2017-12-18 17:16 Thanos Makatos
2017-12-18 17:49 ` Joe Thornber
2017-12-19 9:36 ` Thanos Makatos
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=eab88709-2581-97b7-707b-8423022670b1@redhat.com \
--to=zkabelac@redhat.com \
--cc=linux-lvm@redhat.com \
--cc=pattonme@yahoo.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).