/* Copyright (C) 1991-2018 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, see

   <http://www.gnu.org/licenses/>.  */

#include <errno.h>

#include <stddef.h>

#include <termios.h>

static int bad_speed (speed_t speed);

/* Set the state of FD to *TERMIOS_P.  */

int

tcsetattr (int fd, int optional_actions, const struct termios *termios_p)

{

  if (fd < 0)

    {

      __set_errno (EBADF);

      return -1;

    }

  if (termios_p == NULL)

    {

      __set_errno (EINVAL);

      return -1;

    }

  switch (optional_actions)

    {

    case TCSANOW:

    case TCSADRAIN:

    case TCSAFLUSH:

      break;

    default:

      __set_errno (EINVAL);

      return -1;

    }

  if (bad_speed(termios_p->__ospeed) ||

      bad_speed(termios_p->__ispeed == 0 ?

		termios_p->__ospeed : termios_p->__ispeed))

    {

      __set_errno (EINVAL);

      return -1;

    }

  __set_errno (ENOSYS);

  return -1;

}

libc_hidden_def (tcsetattr)

/* Strychnine checking.  */

static int

bad_speed (speed_t speed)

{

  switch (speed)

    {

    case B0:

    case B50:

    case B75:

    case B110:

    case B134:

    case B150:

    case B200:

    case B300:

    case B600:

    case B1200:

    case B1800:

    case B2400:

    case B4800:

    case B9600:

    case B19200:

    case B38400:

    case B57600:

    case B115200:

    case B230400:

    case B460800:

    case B500000:

    case B576000:

    case B921600:

    case B1000000:

    case B1152000:

    case B1500000:

    case B2000000:

    case B2500000:

    case B3000000:

    case B3500000:

    case B4000000:

      return 0;

    default:

      return 1;

    }

}

stub_warning (tcsetattr)