Re: libncurses and getch ()

[James Morrison <rocketmail_com@rocketmail.com>]

--- James Morrison <rocketmail_com@rocketmail.com> wrote:
>  Hi,
> 
>  I've been trying to find out why pptop doesn't get characters with getch ()
> from
> libncurses.  I think I traced to problem code down to something that
> resembles
> the following program.
> 
> #include <unistd.h>
> #include <fcntl.h>
> #include <stdio.h>
> #include <termios.h> 
> 
> int main (int argc, char *argv[]) 
> {
>         char q;
>         struct termios info;
>         int n, in = fileno (stdin);;
> 
>         fcntl (in, F_SETFL, fcntl (in, F_GETFL, 0) | O_NONBLOCK);
>                                      
>         tcgetattr (in, &info);
>         info.c_lflag &= ~ICANON;
>         info.c_iflag &= ~ICRNL;
>         info.c_lflag |= ISIG;
>         info.c_cc[VMIN] = 1;
>         info.c_cc[VTIME] = 0;
> 
>         tcsetattr (in, TCSADRAIN, &info);
>         while (q != 'q')
>         {
>                 n = read (fileno (stdin), &q, 1);
>                 printf ("%d\n", n);
>                 sleep (1);
>         }
>         return q;
> }
> 
>   The problem is that this program works.  Anyone have any ideas?
> 


 Now, that works, but changing read () to q = getch (), and linking against
ncurses causes this program to stop working.


=====
James Morrison
   University of Waterloo
   Computer Science - Digital Hardware
   2A co-op
http://hurd.dyndns.org

Anyone referring to this as 'Open Source' shall be eaten by a GNU

__________________________________________________
Do You Yahoo!?
LAUNCH - Your Yahoo! Music Experience
http://launch.yahoo.com


-- 
To UNSUBSCRIBE, email to debian-hurd-request@lists.debian.org
with a subject of "unsubscribe". Trouble? Contact listmaster@lists.debian.org