From: Peter Stephenson <p.stephenson@samsung.com>
To: zsh-workers@zsh.org
Subject: Re: Strange behavior of [[
Date: Mon, 22 Jun 2015 17:29:09 +0100 [thread overview]
Message-ID: <20150622172909.2549fb29@pwslap01u.europe.root.pri> (raw)
In-Reply-To: <55883016.1080103@googlemail.com>
On Mon, 22 Jun 2015 17:56:06 +0200
m0viefreak <m0viefreak.cm@googlemail.com> wrote:
> On 11.06.2015 18:59, Peter Stephenson wrote:
> > The change from mb_metacharinit() to mb_charinit() is a bit unsightly
> > but the name had got just plain confusing --- there's nothing meta about
> > it. I never metacharacter I couldn't parse.
> >
> > (No multibyte characters were harmed in the preparation of this email;
> > I've used $'\ua0'.)
> >
> > pws
> >
> > <path diff>
> > ...
> > </path diff>
>
> This patch (f1923bdfa6300a0d32e3329eb2488447f76b8970) introduces another
> issue for me:
>
> Regex evaluation using a conditional capture group crashes zsh when the
> pattern is not found:
This isn't fundamentally new, it's just a different response to an
unhandled condition.
-1 is consistent with what glob matches do.
pws
diff --git a/Src/Modules/regex.c b/Src/Modules/regex.c
index 94f523f..16cc77f 100644
--- a/Src/Modules/regex.c
+++ b/Src/Modules/regex.c
@@ -155,6 +155,11 @@ zcond_regex_match(char **a, int id)
++n, ++m, ++bptr, ++eptr)
{
char buf[DIGBUFSIZE];
+ if (m->rm_so < 0 || m->rm_eo < 0) {
+ *bptr = ztrdup("-1");
+ *eptr = ztrdup("-1");
+ continue;
+ }
ptr = lhstr;
leftlen = m->rm_so;
offs = 0;
next prev parent reply other threads:[~2015-06-22 16:29 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-10 3:27 Maxime Arthaud
2015-06-10 5:31 ` Bart Schaefer
2015-06-10 8:55 ` Peter Stephenson
2015-06-11 16:59 ` Peter Stephenson
2015-06-22 15:56 ` m0viefreak
2015-06-22 16:29 ` Peter Stephenson [this message]
2016-01-08 13:09 ` Jun T.
2016-04-23 9:51 ` Segfault with PCRE (Re: Strange behavior of [[) Mikael Berthe
2016-04-23 21:22 ` Bart Schaefer
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