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Re: [1.7] Weird error "grep: writing output: Cannot allocate memory"
- From: Christopher Faylor <cgf-use-the-mailinglist-please at cygwin dot com>
- To: cygwin at cygwin dot com
- Date: Sun, 3 May 2009 23:39:21 -0400
- Subject: Re: [1.7] Weird error "grep: writing output: Cannot allocate memory"
- References: <49FB714A.4010002@gmail.com>
- Reply-to: cygwin at cygwin dot com
On Fri, May 01, 2009 at 11:01:46PM +0100, Dave Korn wrote:
>
> Hi[ppo],
>
> I've been seeing these odd error messages scattered in amongst my grep
>output occasionally of late, and decided to spend some time tracking them
>down. It now seems to me that something very strange is going on with
>WriteConsoleW, as called from fhandler_console::write_normal(). This is
>possibly the same underlying bug that might explain why even a non-cygwin grep
>might show the problems documented in the earlier thread[*], although it's
>also possible that there were two separate issues cropping up there, of which
>this is one and the other was some kind of regex backtracking/recursion memory
>explosion.
>
> The attached STC reproduces the problem, and apparently:
>
>gcc-3 -mno-cygwin stc.c -o stc -W -Wall -g -O0 -o stc-mingw.exe
>
>gcc-4 stc.c -o stc -W -Wall -g -O0
>
>.. it is cygwin independent, since both executables produce similar results:
A test case which demonstrates a failing Windows call fail isn't really
interesting as far as Cygwin is concerned. Do you have a stc which
fails using Cygwin's API?
cgf
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