cfsetispeed.c

RTEMS (Real-Time Executive for Multiprocessor Systems) is a free open source real-time operating sys

/*
 *  cfsetispeed() - POSIX 1003.1b 7.1.3 - Baud Rate Functions
 *
 *  COPYRIGHT (c) 1989-1999.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  The license and distribution terms for this file may be
 *  found in the file LICENSE in this distribution or at
 *  http://www.rtems.com/license/LICENSE.
 *
 *  $Id: cfsetispeed.c,v 1.5.2.1 2003/09/04 18:46:58 joel Exp $
 */

#if HAVE_CONFIG_H
#include "config.h"
#endif

#include <rtems.h>
#if defined(RTEMS_NEWLIB)

#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <termios.h>

#include <rtems/libio_.h>
#include <rtems/seterr.h>

int cfsetispeed(
  struct termios *tp,
  speed_t         speed
)
{
  if ( speed & ~CBAUD )
    rtems_set_errno_and_return_minus_one( EINVAL );

  tp->c_cflag = (tp->c_cflag & ~CIBAUD) | (speed * (CIBAUD / CBAUD));
  return 0;
}
#endif