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/* Copyright (C) 1992, 1995, 1997, 1998 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, write to the Free

   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA

   02111-1307 USA.  */

#include <features.h>

#define __USE_GNU

#include <string.h>

#include <termios.h>

#include <unistd.h>

#include <sys/ioctl.h>

#include <sys/types.h>

/* The difference here is that the termios structure used in the

   kernel is not the same as we use in the libc.  Therefore we must

   translate it here.  */

#include "kernel_termios.h"

/* Put the state of FD into *TERMIOS_P.  */

int tcgetattr (int fd, struct termios *termios_p)

{

    struct __kernel_termios k_termios;

    int retval;

    retval = ioctl (fd, TCGETS, &k_termios);

    termios_p->c_iflag = k_termios.c_iflag;

    termios_p->c_oflag = k_termios.c_oflag;

    termios_p->c_cflag = k_termios.c_cflag;

    termios_p->c_lflag = k_termios.c_lflag;

    termios_p->c_line = k_termios.c_line;

#ifdef _HAVE_C_ISPEED

    termios_p->c_ispeed = k_termios.c_ispeed;

#endif

#ifdef _HAVE_C_OSPEED

    termios_p->c_ospeed = k_termios.c_ospeed;

#endif

    if (sizeof (cc_t) == 1 || _POSIX_VDISABLE == 0

            || (unsigned char) _POSIX_VDISABLE == (unsigned char) -1)

    {

        memset (mempcpy (&termios_p->c_cc[0], &k_termios.c_cc[0],

                    __KERNEL_NCCS * sizeof (cc_t)),

                _POSIX_VDISABLE, (NCCS - __KERNEL_NCCS) * sizeof (cc_t));

#if 0   

        memset ( (memcpy (&termios_p->c_cc[0], &k_termios.c_cc[0],

                        __KERNEL_NCCS * sizeof (cc_t)) + (__KERNEL_NCCS * sizeof (cc_t))) ,

                _POSIX_VDISABLE, (NCCS - __KERNEL_NCCS) * sizeof (cc_t));

#endif

    } else {

        size_t cnt;

        memcpy (&termios_p->c_cc[0], &k_termios.c_cc[0],

                __KERNEL_NCCS * sizeof (cc_t));

        for (cnt = __KERNEL_NCCS; cnt < NCCS; ++cnt)

            termios_p->c_cc[cnt] = _POSIX_VDISABLE;

    }

    return retval;

}