/* Copyright (C) 1992-2018 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 <termios.h>

#include <errno.h>

#include <stddef.h>

struct speed_struct

{

  speed_t value;

  speed_t internal;

};

static const struct speed_struct speeds[] =

  {

#ifdef B0

    { 0, B0 },

#endif

#ifdef B50

    { 50, B50 },

#endif

#ifdef B75

    { 75, B75 },

#endif

#ifdef B110

    { 110, B110 },

#endif

#ifdef B134

    { 134, B134 },

#endif

#ifdef B150

    { 150, B150 },

#endif

#ifdef B200

    { 200, B200 },

#endif

#ifdef B300

    { 300, B300 },

#endif

#ifdef B600

    { 600, B600 },

#endif

#ifdef B1200

    { 1200, B1200 },

#endif

#ifdef B1200

    { 1200, B1200 },

#endif

#ifdef B1800

    { 1800, B1800 },

#endif

#ifdef B2400

    { 2400, B2400 },

#endif

#ifdef B4800

    { 4800, B4800 },

#endif

#ifdef B9600

    { 9600, B9600 },

#endif

#ifdef B19200

    { 19200, B19200 },

#endif

#ifdef B38400

    { 38400, B38400 },

#endif

#ifdef B57600

    { 57600, B57600 },

#endif

#ifdef B76800

    { 76800, B76800 },

#endif

#ifdef B115200

    { 115200, B115200 },

#endif

#ifdef B153600

    { 153600, B153600 },

#endif

#ifdef B230400

    { 230400, B230400 },

#endif

#ifdef B307200

    { 307200, B307200 },

#endif

#ifdef B460800

    { 460800, B460800 },

#endif

#ifdef B500000

    { 500000, B500000 },

#endif

#ifdef B576000

    { 576000, B576000 },

#endif

#ifdef B921600

    { 921600, B921600 },

#endif

#ifdef B1000000

    { 1000000, B1000000 },

#endif

#ifdef B1152000

    { 1152000, B1152000 },

#endif

#ifdef B1500000

    { 1500000, B1500000 },

#endif

#ifdef B2000000

    { 2000000, B2000000 },

#endif

#ifdef B2500000

    { 2500000, B2500000 },

#endif

#ifdef B3000000

    { 3000000, B3000000 },

#endif

#ifdef B3500000

    { 3500000, B3500000 },

#endif

#ifdef B4000000

    { 4000000, B4000000 },

#endif

  };

/* Set both the input and output baud rates stored in *TERMIOS_P to SPEED.  */

int

cfsetspeed (struct termios *termios_p, speed_t speed)

{

  size_t cnt;

  for (cnt = 0; cnt < sizeof (speeds) / sizeof (speeds[0]); ++cnt)

    if (speed == speeds[cnt].internal)

      {

	cfsetispeed (termios_p, speed);

	cfsetospeed (termios_p, speed);

	return 0;

      }

    else if (speed == speeds[cnt].value)

      {

	cfsetispeed (termios_p, speeds[cnt].internal);

	cfsetospeed (termios_p, speeds[cnt].internal);

	return 0;

      }

  __set_errno (EINVAL);

  return -1;

}