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Re: globbing FAQ entry -- up to date?
- To: cygwin at cygwin dot com
- Subject: Re: globbing FAQ entry -- up to date?
- From: Christopher Faylor <cgf at redhat dot com>
- Date: Tue, 12 Dec 2000 12:25:15 -0500
- References: <4418-Tue12Dec2000171316+0000-starksb@ebi.ac.uk>
- Reply-To: cygwin at cygwin dot com
On Tue, Dec 12, 2000 at 05:13:16PM +0000, David Starks-Browning wrote:
>The FAQ has this entry, but it's marked "not yet updated for the
>latest net release". I suspect it still applies. Can I remove the
>warning?
>
>A. How does wildcarding (globbing) work?
>
>
>Q. If an application using CYGWIN.DLL starts up, and can't find the
> PID environment variable, it assumes that it has been started from
> the a DOS style command prompt. This is pretty safe, since the
> rest of the tools (including bash) set PID so that a new process
> knows what PID it has when it starts up.
>
> If the DLL thinks it has come from a DOS style prompt, it runs a
> `globber' over the arguments provided on the command line. This
> means that if you type LS *.EXE from DOS, it will do what you
> might expect.
>
> Beware: globbing uses malloc. If your application defines malloc,
> that will get used. This may do horrible things to you.
It's not quite accurate. Cygwin no longer uses a "PID" environment
variable. Instead it uses some other magic to figure out when it has
been run from the "DOS style prompt".
So, removing the first paragraph may be sufficient.
cgf
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