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Date: Tue, 31 Jan 2006 11:23:07 -0500 (EST)
From: Martin <linkscrazy AT yahoo DOT com>
Subject: RE: 1.5.19-4 exec family of functions find wrong file to execute
To: cygwin AT cygwin DOT com
In-Reply-To: <Pine.GSO.4.63.0601310919150.2628@access1.cims.nyu.edu>
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In response to your comments:
I ran the testcase from ~/testcases directory. I believe my cygwin.out
file indicates /home is mounted from D:\home (HOME=/home/test). Also,
D: is NTFS.  Also, there is nothing special about mount point (no -x
flag was used).  This is all shown in cygwin.out.

Martin

--- Igor Peshansky <pechtcha AT cs DOT nyu DOT edu> wrote:

> On Tue, 31 Jan 2006, Dave Korn wrote:
> 
> > On 30 January 2006 19:23, Martin wrote:
> >
> > > Any response?
> > > TIA
> > > --- Martin <linkscrazy AT yahoo.!> wrote:
> > >
> > >> I am attempting to invoke a command with execvp/execlp.  If a
> file
> > >> appears in my PATH before the executable desired and has the
> same name
> > >> as the executable, the first occurrence of the file name is used
> as
> > >> the executable to invoke.  Even though the first file is NOT
> marked as
> > >> executable.
> >
> > >> Is this normal behavior for execlp/execvp?
> > >> Shouldn't the execution permission be set in order to execute
> it?
> >
> >   Depends on your mountpoints.  If the file is found under a
> mountpoint
> > with the cygexec flag set, it will be assumed to be executable
> > regardless of the x bit in the file's perms.
> 
> Also, on FAT filesystems, there are no permission bits[*]...  Your
> file
> may be tripping the executable file detection heuristics, though.
> 	Igor
> [*] Cygwin can simulate them for you on pure FAT with "ntea", but
> with
> FAT32 you're SOL.
> -- 
> 				http://cs.nyu.edu/~pechtcha/
>       |\      _,,,---,,_	    pechtcha AT cs DOT nyu DOT edu |
> igor AT watson DOT ibm DOT com
> ZZZzz /,`.-'`'    -.  ;-;;,_		Igor Peshansky, Ph.D. (name changed!)
>      |,4-  ) )-,_. ,\ (  `'-'		old name: Igor Pechtchanski
>     '---''(_/--'  `-'\_) fL	a.k.a JaguaR-R-R-r-r-r-.-.-.  Meow!
> 
> "Las! je suis sot... -Mais non, tu ne l'es pas, puisque tu t'en rends
> compte."
> "But no -- you are no fool; you call yourself a fool, there's proof
> enough in
> that!" -- Rostand, "Cyrano de Bergerac"
> 
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