| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame^] | 1 | /* `struct termios' speed frobnication functions. 4.4 BSD/generic GNU version. |
| 2 | Copyright (C) 1991-2015 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 (termios_p) |
| 26 | const struct termios *termios_p; |
| 27 | { |
| 28 | return termios_p->__ospeed; |
| 29 | } |
| 30 | |
| 31 | /* Return the input baud rate stored in *TERMIOS_P. */ |
| 32 | speed_t |
| 33 | cfgetispeed (termios_p) |
| 34 | const struct termios *termios_p; |
| 35 | { |
| 36 | return termios_p->__ispeed; |
| 37 | } |
| 38 | |
| 39 | /* Set the output baud rate stored in *TERMIOS_P to SPEED. */ |
| 40 | int |
| 41 | cfsetospeed (termios_p, speed) |
| 42 | struct termios *termios_p; |
| 43 | speed_t speed; |
| 44 | { |
| 45 | if (termios_p == NULL) |
| 46 | { |
| 47 | __set_errno (EINVAL); |
| 48 | return -1; |
| 49 | } |
| 50 | |
| 51 | termios_p->__ospeed = speed; |
| 52 | return 0; |
| 53 | } |
| 54 | libc_hidden_def (cfsetospeed) |
| 55 | |
| 56 | /* Set the input baud rate stored in *TERMIOS_P to SPEED. */ |
| 57 | int |
| 58 | cfsetispeed (termios_p, speed) |
| 59 | struct termios *termios_p; |
| 60 | speed_t speed; |
| 61 | { |
| 62 | if (termios_p == NULL) |
| 63 | { |
| 64 | __set_errno (EINVAL); |
| 65 | return -1; |
| 66 | } |
| 67 | |
| 68 | termios_p->__ispeed = speed; |
| 69 | return 0; |
| 70 | } |
| 71 | libc_hidden_def (cfsetispeed) |