From mboxrd@z Thu Jan  1 00:00:00 1970
From: "John T. Williams" <jtwilliams@vt.edu>
Subject: I'm really starting to dislike stdio
Date: Thu, 19 Jun 2003 03:33:16 -0400
Sender: linux-c-programming-owner@vger.kernel.org
Message-ID: <004001c33635$21f3d3a0$e764a8c0@fesnel.noip.org>
References: <011801c33580$48425aa0$e764a8c0@fesnel.noip.org> <003c01c335c7$a7f437b0$3d6405d5@carlos>
Mime-Version: 1.0
Content-Transfer-Encoding: 7bit
Return-path: <linux-c-programming-owner@vger.kernel.org>
List-Id: <linux-c-programming.vger.kernel.org>
Content-Type: text/plain; charset="us-ascii"
To: linux-c-programming <linux-c-programming@vger.kernel.org>

I really appricated the help with the progress bar.

I have another problem

I am trying to read in a password from the stdin, but I don't want it to
display to the screen as the person types it in.
I either like to mock su, and take input w/o any output, or output a *  for
each typed character, and I cannot figure out how to get this to work

I've tried
_____________________

        read(1, &tmpch, 1);

        while(tmpch != '\n') {
                memset(prog, '*', stars);
                printf("\rPassword: %-20s ", prog );
                stars++;

                buff[loop] = tmpch;
                loop++;
                read(1, &tmpch, 1);
        }
        read(1, &tmpch, 1);

        while(tmpch != '\n') {
                memset(prog, '*', stars);
                printf("\rPassword: %-20s ", prog );
                stars++;

                buff[loop] = tmpch;
                loop++;
                read(1, &tmpch, 1);
        }
--------------------------

I've tried

____________________


tmpch = getchar();
while(tmpch != '\n') {
    memset(prog, '*', stars)
    printf("\rPassword: %-20s ", prog );
    stars++;

    buff[loop] = tmpch;
    loop++;
    tmpch = getchar();
}

and I tried getc from the curses library.
The problem with all of these is that they only actually do the read part
after I've hit the <enter> key.  I want it to process each character as it
is typed.  Anyone who has any ideas or can tell me a better way to read
characters w/o displaying it to the screen and I'd be greatful.