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Date:	Sun, 18 Nov 2001 05:16:32 -0800 (PST)
From:	chad fowler <chadfowler AT yahoo DOT com>
Subject:	Re: directory opening/closing behavior
To:	cygwin AT cygwin DOT com
In-Reply-To:	<1006081063029880@firemail.de>
MIME-Version:	1.0

Thanks, Katherina.  But, I was actually trying to
demonstrate the difference in behavior when closedir
*isn't* called.  I intentially left closedir() out of
my example program.  So, Corrina is probably right.

Thanks to both of you (Katherina and Corrina),
Chad

--- Katherina O'Connor <oconnor AT firemail DOT de> wrote:
> > Exactly what you've described. It's a 
> > Windows feature which isn't POSIX compatible 
> > and for which a workaround would be
> > extremly difficult.
> 
> Sorry, this isn't a "Windows feature" but 
> POSIX compatible and a workaround would be 
> extremly simple, because Chad Fowler made
> a simple mistake: he forgotten to call 
> closedir() before rmdir():
> 
> #include <stdio.h>
> #include <errno.h>
> #include <unistd.h>
> #include <sys/types.h>
> #include <sys/stat.h>
> 
> /* (1) */
> #include <sys/dirent.h>
> 
> int main(void)
> {
>  int rc;
>  extern int errno;
> 
>  /* (2) */
>  DIR* pDIR; 
> 
>  rc = mkdir("_blah", 0777);
>  printf("mkdir %d\n", rc);
> 
>  pDIR = opendir("_blah");
>  printf("opendir %d\n", ( long ) pDIR);
> 
>  /* (3) */
>  rc = closedir( pDIR );
>  printf("closedir %d\n", rc);
> 
>  rc = rmdir("_blah");
>  printf("rmdir %d\n", rc);
> 
>  rc = mkdir("_blah", 0777);
>  printf("mkdir %d\n", rc);
>  printf("errno: %d\n", errno);
> }
> 
> #if 0
> 
> Cygwin output:
> mkdir 0
> opendir 167839600
> closedir 0
> rmdir 0
> mkdir 0
> errno: 0
> 
> Linux output:
> mkdir 0
> opendir 134518696
> rmdir 0
> mkdir 0
> errno: 38
> 
> #endif
> 
> ----- Original Message ----- 
> From: "Corinna Vinschen" <cygwin AT cygwin DOT com>
> To: <cygwin AT cygwin DOT com>
> Sent: Sunday, November 18, 2001 10:12 AM
> Subject: Re: directory opening/closing behavior
> 
> 
> > On Sat, Nov 17, 2001 at 03:47:33PM -0800, chad
> fowler wrote:
> > > Cygwin output:
> > > mkdir 0
> > > opendir 167839552
> > > rmdir 0
> > > mkdir -1
> > > errno: 13
> > > 
> > > Linux output:
> > > mkdir 0
> > > opendir 134518696
> > > rmdir 0
> > > mkdir 0
> > > errno: 38
> > > 
> > > After having run, the directory "_blah" exists
> in
> > > Linux but doesn't exist in Cygwin.
> > > 
> > > What's the expected behavior?
> > 
> > Exactly what you've described. It's a Windows
> feature which
> > isn't POSIX compatible and for which a workaround
> would be
> > extremly difficult.
> > 
> > Corinna
> > 
> > -- 
> > Corinna Vinschen Please, send mails regarding
> Cygwin to
> > Cygwin Developer mailto:cygwin AT cygwin DOT com
> > Red Hat, Inc.
> > 
> > --
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> > 
> > 
> > 
>
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