libcsupport/src/cfsetspeed.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /*  @file
0004  *
0005  *  @brief Baud Rate Functions
0006  *  @ingroup Termios
0007  */
0008
0009 /*
0010  *  COPYRIGHT (c) 1989-2014.
0011  *  On-Line Applications Research Corporation (OAR).
0012  *
0013  * Redistribution and use in source and binary forms, with or without
0014  * modification, are permitted provided that the following conditions
0015  * are met:
0016  * 1. Redistributions of source code must retain the above copyright
0017  *    notice, this list of conditions and the following disclaimer.
0018  * 2. Redistributions in binary form must reproduce the above copyright
0019  *    notice, this list of conditions and the following disclaimer in the
0020  *    documentation and/or other materials provided with the distribution.
0021  *
0022  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0023  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0024  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0025  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0026  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0027  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0028  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0029  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0030  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0031  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0032  * POSSIBILITY OF SUCH DAMAGE.
0033  */
0034
0035 #ifdef HAVE_CONFIG_H
0036 #include "config.h"
0037 #endif
0038
0039 #include <rtems.h>
0040 #if defined(RTEMS_NEWLIB)
0041
0042 #include <sys/types.h>
0043 #include <sys/stat.h>
0044 #include <errno.h>
0045 #include <termios.h>
0046 #include <rtems/termiostypes.h>
0047 #include <rtems/seterr.h>
0048
0049 int cfsetspeed(
0050   struct termios *tp,
0051   speed_t speed
0052 )
0053 {
0054   if ( rtems_termios_baud_to_index( speed ) == -1 )
0055     rtems_set_errno_and_return_minus_one( EINVAL );
0056
0057   cfsetispeed( tp, speed );
0058   cfsetospeed( tp, speed );
0059   return 0;
0060 }
0061 #endif