libcsupport/src/tcsetattr.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /**
0004  *  @file
0005  *
0006  *  @brief Get and Set State
0007  *  @ingroup libcsupport
0008  */
0009
0010 /*
0011  *  COPYRIGHT (c) 1989-1999.
0012  *  On-Line Applications Research Corporation (OAR).
0013  *
0014  * Redistribution and use in source and binary forms, with or without
0015  * modification, are permitted provided that the following conditions
0016  * are met:
0017  * 1. Redistributions of source code must retain the above copyright
0018  *    notice, this list of conditions and the following disclaimer.
0019  * 2. Redistributions in binary form must reproduce the above copyright
0020  *    notice, this list of conditions and the following disclaimer in the
0021  *    documentation and/or other materials provided with the distribution.
0022  *
0023  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0024  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0025  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0026  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0027  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0028  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0029  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0030  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0031  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0032  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0033  * POSSIBILITY OF SUCH DAMAGE.
0034  */
0035
0036 #ifdef HAVE_CONFIG_H
0037 #include "config.h"
0038 #endif
0039
0040 #include <rtems.h>
0041 #if defined(RTEMS_NEWLIB)
0042
0043 #include <sys/types.h>
0044 #include <sys/stat.h>
0045 #include <errno.h>
0046 #include <termios.h>
0047 /* #include <sys/ioctl.h> */
0048
0049 #include <rtems/libio.h>
0050 #include <rtems/libio_.h>
0051 #include <rtems/seterr.h>
0052
0053 /**
0054  *  POSIX 1003.1b 7.2.1 - Get and Set State
0055  */
0056 int tcsetattr(
0057   int                   fd,
0058   int                   opt,
0059   const struct termios *tp
0060 )
0061 {
0062   struct termios localterm;
0063
0064   if (opt & TCSASOFT) {
0065     localterm = *tp;
0066     localterm.c_cflag |= CIGNORE;
0067     tp = &localterm;
0068   }
0069
0070   switch (opt & ~TCSASOFT) {
0071
0072   case TCSANOW:
0073     return ioctl( fd, TIOCSETA, tp );
0074
0075   case TCSADRAIN:
0076     return ioctl( fd, TIOCSETAW, tp );
0077
0078   case TCSAFLUSH:
0079     return ioctl( fd, TIOCSETAF, tp );
0080
0081   default:
0082     rtems_set_errno_and_return_minus_one( EINVAL );
0083   }
0084 }
0085 #endif