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Date: Mon, 6 Apr 2009 22:11:23 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
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Subject: Re: cygwin 1.7 fstat weirdness
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On Apr  6 14:46, Gregg Reynolds wrote:
> Hi,
> 
> I'm trying to get tokyo cabinet running.  I have a strange error.  One
> of the test utilities does:
> 
>   #define TCFILEMODE     00644             // permission of a creating file
>   int fd = path ? open(path, O_RDONLY, TCFILEMODE) : 0;  // path = "Makefile"
> 
> and then fstats:
> 
>   if(fstat(fd, &sbuf) == -1) {...}
>   else {
>     if (!S_ISREG(sbuf.st_mode)){
>            printf("is dir %d\n", S_ISDIR(sbuf.st_mode));  // added for debugging
>            ...etc...
>   }}
> 
> What's weird is that fstat says ./Makefile is of type S_ISCHR .  I

Is fd == 0 by any chance?  The above code silently sets fd to 0 if it
can't open path.  You should debug your code.  Other than that, I'd
really need a reproducible testcase.  I don't see any chance that an
open file on disk is recognized as S_ISCHR.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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