| /* `struct termios' speed frobnication functions. 4.4 BSD/generic GNU version. |
| 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 <stddef.h> |
| #include <errno.h> |
| #include <termios.h> |
| |
| /* Return the output baud rate stored in *TERMIOS_P. */ |
| speed_t |
| cfgetospeed (const struct termios *termios_p) |
| { |
| return termios_p->__ospeed; |
| } |
| |
| /* Return the input baud rate stored in *TERMIOS_P. */ |
| speed_t |
| cfgetispeed (const struct termios *termios_p) |
| { |
| return termios_p->__ispeed; |
| } |
| |
| /* Set the output baud rate stored in *TERMIOS_P to SPEED. */ |
| int |
| cfsetospeed (struct termios *termios_p, speed_t speed) |
| { |
| if (termios_p == NULL) |
| { |
| __set_errno (EINVAL); |
| return -1; |
| } |
| |
| termios_p->__ospeed = speed; |
| return 0; |
| } |
| libc_hidden_def (cfsetospeed) |
| |
| /* Set the input baud rate stored in *TERMIOS_P to SPEED. */ |
| int |
| cfsetispeed (struct termios *termios_p, speed_t speed) |
| { |
| if (termios_p == NULL) |
| { |
| __set_errno (EINVAL); |
| return -1; |
| } |
| |
| termios_p->__ispeed = speed; |
| return 0; |
| } |
| libc_hidden_def (cfsetispeed) |