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Re: stat vs open w/ ".exe"
- From: Christopher Faylor <cgf at redhat dot com>
- To: cygwin-developers at cygwin dot com
- Date: Fri, 5 Jul 2002 13:03:33 -0400
- Subject: Re: stat vs open w/ ".exe"
- References: <03e001c22427$ce581a00$6132bc3e@BABEL>
- Reply-to: cygwin-developers at cygwin dot com
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@cygwin. I am not up to
trying to recreate the argument (it wasn't mine) today. Maybe
someone else will.
cgf