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From: Sam Steingold <sds AT gnu DOT org>
Subject: Re: isatty bug
Date: 16 Sep 2003 13:30:27 -0400
Organization: disorganization
Lines: 41
Message-ID: <upti0vdxo.fsf@gnu.org>
References: <usmmxyckr DOT fsf AT gnu DOT org> <20030916100108 DOT GO9981 AT cygbert DOT vinschen DOT de>
 <uwuc8x09i DOT fsf AT gnu DOT org> <20030916171951 DOT GA21860 AT redhat DOT com>
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> * Christopher Faylor <pts-epz AT pltjva DOT pbz> [2003-09-16 13:19:51 -0400]:
>
> On Tue, Sep 16, 2003 at 10:42:49AM -0400, Sam Steingold wrote:
> >>* Corinna Vinschen <pbevaan-pltjva AT pltjva DOT pbz> [2003-09-16 12:01:08 +0200]:
> >>
> >> On Mon, Sep 15, 2003 at 05:19:16PM -0400, Sam Steingold wrote:
> >> > calling isatty(0) in a program results in a segfault:
> >> And the version number of the DLL is ...
> >
> >1.5.4(0.94/3/2)
> >
> >> Fd 0 is a tty, a console window, a tape drive, a ...
> >
> >I am doing this in a windows console, as created by clicking on the
> >cygwin icon, i.e., in the bash shell.
> >I assume that 0 means stdin.
> >
> >> Reproducible testcase is ...
> >
> >------- scratch.c ----
> >#include <stdio.h>
> >int main (void) {
> >#define Y_N(x)  ((x) ? "(TTY)" : "(not a TTY)")
> >  printf("0: %s %s\n1: %s %s\n2: %s %s\n",
> >         ttyname(0),Y_N(isatty(0)),ttyname(1),Y_N(isatty(1)),
> >         ttyname(2),Y_N(isatty(2)))
> >#undef Y_N
> >  return 0;
> >}
> >------- scratch.c ----
> 
> Fixing the obvious typo in the above provides the desired results both
> inside gdb and outside gdb.  With CYGWIN=tty and with CYGWIN=notty.

what is the "obvious typo"?

-- 
Sam Steingold (http://www.podval.org/~sds) running w2k
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