[1.7] Weird error "grep: writing output: Cannot allocate memory"

Christopher Faylor cgf-use-the-mailinglist-please@cygwin.com
Mon May 4 03:39:00 GMT 2009

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
>  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?


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