Mail Archives: cygwin/2003/09/16/13:20:13
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.
So, I can't duplicate this problem.
cgf
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