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Date: Fri, 5 Jul 2002 13:03:33 -0400
From: Christopher Faylor <cgf AT redhat DOT com>
To: cygwin-developers AT cygwin DOT com
Subject: Re: stat vs open w/ ".exe"
Message-ID: <20020705170333.GD30783@redhat.com>
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On Fri, Jul 05, 2002 at 02:28:09PM +0100, Conrad Scott wrote:
>I think this has been discussed before but I've searched the
>mailing lists to no avail, so here goes.
>
>If you *stat* a file with no suffix, e.g. /bin/bash, it will
>succeed if there is a file /bin/bash.exe.
>
>If you *open* a file with no suffix, it doesn't succeed in that
>case.
>
>(So "ls /bin/bash" succeeds and "strings /bin/bash" fails.)
>
>In other words, stat(2) also checks for the file with a .exe
>extension, while open(2) doesn't.  The difference comes down to
>the call to cygheap->fdtab.build_fhandler_from_name() in
>syscalls.cc:_open() vs that in syscalls.cc:stat_worker().
>
>Is this a bug or a deliberate decision? and if the latter, why so?

It was a deliberate design decision.  It *has* been discussed many
times both in this group and in cygwin AT cygwin.  I am not up to
trying to recreate the argument (it wasn't mine) today.  Maybe
someone else will.

cgf