| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* `struct termios' speed frobnication functions. 4.4 BSD/generic GNU version. |
| 2 | Copyright (C) 1991-2016 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include <stddef.h> |
| 20 | #include <errno.h> |
| 21 | #include <termios.h> |
| 22 | |
| 23 | /* Return the output baud rate stored in *TERMIOS_P. */ |
| 24 | speed_t |
| 25 | cfgetospeed (const struct termios *termios_p) |
| 26 | { |
| 27 | return termios_p->__ospeed; |
| 28 | } |
| 29 | |
| 30 | /* Return the input baud rate stored in *TERMIOS_P. */ |
| 31 | speed_t |
| 32 | cfgetispeed (const struct termios *termios_p) |
| 33 | { |
| 34 | return termios_p->__ispeed; |
| 35 | } |
| 36 | |
| 37 | /* Set the output baud rate stored in *TERMIOS_P to SPEED. */ |
| 38 | int |
| 39 | cfsetospeed (struct termios *termios_p, speed_t speed) |
| 40 | { |
| 41 | if (termios_p == NULL) |
| 42 | { |
| 43 | __set_errno (EINVAL); |
| 44 | return -1; |
| 45 | } |
| 46 | |
| 47 | termios_p->__ospeed = speed; |
| 48 | return 0; |
| 49 | } |
| 50 | libc_hidden_def (cfsetospeed) |
| 51 | |
| 52 | /* Set the input baud rate stored in *TERMIOS_P to SPEED. */ |
| 53 | int |
| 54 | cfsetispeed (struct termios *termios_p, speed_t speed) |
| 55 | { |
| 56 | if (termios_p == NULL) |
| 57 | { |
| 58 | __set_errno (EINVAL); |
| 59 | return -1; |
| 60 | } |
| 61 | |
| 62 | termios_p->__ispeed = speed; |
| 63 | return 0; |
| 64 | } |
| 65 | libc_hidden_def (cfsetispeed) |