From: Bart Schaefer <schaefer@brasslantern.com>
To: zsh-workers@zsh.org
Subject: Re: [PATCH] Optimization of getarrvalue()
Date: Tue, 8 Nov 2016 13:58:20 -0800 [thread overview]
Message-ID: <161108135820.ZM11151@torch.brasslantern.com> (raw)
In-Reply-To: <1478635899.1897979.781551353.05792438@webmail.messagingengine.com>
On Nov 8, 12:11pm, Sebastian Gniazdowski wrote:
}
} More, I suspect a memory leak in following code that has been replaced:
}
} if (v->end <= v->start)
} s[0] = NULL;
} else if (arrlen_ge(s, v->end - v->start))
} s[v->end - v->start] = NULL;
}
} That code adapts array according to end index â however it seems that
} strings after the NULL are then unreachable to freearray() ?
You perhaps haven't noticed that arrdup() uses zhalloc() and dupstring()?
Everything is on the heap and is freed by freeheap() or popheap(), never
by freearray().
} Interesting that some tests fail (e.g. ./Y03arguments.ztst) if I here
} duplicate nular instead of doing:
I'm not sure I understand from this exactly what you're describing, but
it seems likely to have something to do with confusing zsh heap memory
with directly-malloc'd memory.
next prev parent reply other threads:[~2016-11-08 22:27 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20161108201233epcas1p1e2900e2d67af8b8558ebdb70eb7ad480@epcas1p1.samsung.com>
2016-11-08 20:11 ` Sebastian Gniazdowski
2016-11-08 21:58 ` Bart Schaefer [this message]
2016-11-09 7:11 ` Bart Schaefer
2016-11-09 11:42 ` Peter Stephenson
2016-11-09 16:03 ` Bart Schaefer
2016-11-14 12:32 ` Jun T.
2016-11-14 13:15 ` Jun T.
2016-11-14 13:57 ` Peter Stephenson
2016-11-14 15:35 ` Jun T.
2016-11-14 17:10 ` Bart Schaefer
2016-11-16 7:55 ` Sebastian Gniazdowski
2016-11-15 12:28 ` Peter Stephenson
2016-11-15 19:57 ` Peter Stephenson
2016-11-15 21:11 ` Bart Schaefer
2016-11-16 14:06 ` Jun T.
2016-11-16 16:14 ` Jun T.
2016-11-16 18:50 ` Bart Schaefer
2016-11-21 12:30 ` Jun T.
2016-11-24 0:55 ` Bart Schaefer
2016-11-24 11:49 ` Jun T.
2016-11-29 6:11 ` Array slices that don't exist [was Optimization of getarrvalue()] Bart Schaefer
2016-11-29 9:34 ` Peter Stephenson
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