From: Peter Stephenson <p.w.stephenson@ntlworld.com>
To: zsh-workers@zsh.org
Subject: Re: [bug] busyloop upon $=var with NULs when $IFS contains both NUL and a byte > 0x7f
Date: Tue, 29 Nov 2022 14:38:05 +0000 (GMT) [thread overview]
Message-ID: <351204342.6213761.1669732685914@mail.virginmedia.com> (raw)
In-Reply-To: <AD3B3716-F348-4C93-981F-8B8DD624C37D@kba.biglobe.ne.jp>
> On 29/11/2022 14:27 Jun. T <takimoto-j@kba.biglobe.ne.jp> wrote:
> 3834 for (; *s; r++) {
> 3835 char *ie = itype_end(s, ISEP, 1);
> 3836 if (ie != s) {
> 3837 s = ie;
> ....
> 3840 }
> 3841 (void)findsep(&s, NULL, 0);
> ....
> 3845 }
>
> Here, the pointer s already points to a ISEP (\x83\x20 = metafied Nul),
> but itype_end() can't find the next ISEP (ie == s) due to the empty
> ifs_wide, and findsep() does not move s because *s is already ISEP,
> resulting in infinite-loop with the same s.
I guess the obvious thing to do here is any time s doesn't move
give up splitting at that point.
pws
next prev parent reply other threads:[~2022-11-29 14:39 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-18 14:27 Stephane Chazelas
2022-11-29 14:27 ` Jun. T
2022-11-29 14:38 ` Peter Stephenson [this message]
2022-11-30 4:20 ` Bart Schaefer
2022-11-30 9:21 ` Peter Stephenson
2022-12-13 9:50 ` Jun T
2022-12-13 9:49 ` Jun T
2022-12-13 10:13 ` Peter Stephenson
2022-12-13 11:40 ` Jun T
2022-12-13 11:55 ` Peter Stephenson
2023-06-21 4:49 ` Jun T
2022-12-11 19:12 ` Stephane Chazelas
2022-12-13 9:51 ` Jun T
2022-11-30 14:56 ` Jun. T
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