| 1 | /* Copyright (C) 1992-2022 Free Software Foundation, Inc. |
|---|
| 2 | This file is part of the GNU C Library. |
|---|
| 3 | |
|---|
| 4 | The GNU C Library is free software; you can redistribute it and/or |
|---|
| 5 | modify it under the terms of the GNU Lesser General Public |
|---|
| 6 | License as published by the Free Software Foundation; either |
|---|
| 7 | version 2.1 of the License, or (at your option) any later version. |
|---|
| 8 | |
|---|
| 9 | The GNU C Library is distributed in the hope that it will be useful, |
|---|
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
|---|
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|---|
| 12 | Lesser General Public License for more details. |
|---|
| 13 | |
|---|
| 14 | You should have received a copy of the GNU Lesser General Public |
|---|
| 15 | License along with the GNU C Library; if not, see |
|---|
| 16 | <https://www.gnu.org/licenses/>. */ |
|---|
| 17 | |
|---|
| 18 | #include <errno.h> |
|---|
| 19 | #include <stddef.h> |
|---|
| 20 | #include <termios.h> |
|---|
| 21 | |
|---|
| 22 | /* These are defined both in <bits/termios.h> and in <bits/ioctls.h>. |
|---|
| 23 | They should have the same values, but perhaps not written the same way. */ |
|---|
| 24 | #undef ECHO |
|---|
| 25 | #undef MDMBUF |
|---|
| 26 | #undef TOSTOP |
|---|
| 27 | #undef FLUSHO |
|---|
| 28 | #undef PENDIN |
|---|
| 29 | #undef NOFLSH |
|---|
| 30 | #include <sys/ioctl.h> |
|---|
| 31 | |
|---|
| 32 | |
|---|
| 33 | /* Set the state of FD to *TERMIOS_P. */ |
|---|
| 34 | int |
|---|
| 35 | tcsetattr (int fd, int optional_actions, const struct termios *termios_p) |
|---|
| 36 | { |
|---|
| 37 | struct termios myt; |
|---|
| 38 | |
|---|
| 39 | if (optional_actions & TCSASOFT) |
|---|
| 40 | { |
|---|
| 41 | myt = *termios_p; |
|---|
| 42 | myt.c_cflag |= CIGNORE; |
|---|
| 43 | termios_p = &myt; |
|---|
| 44 | optional_actions &= ~TCSASOFT; |
|---|
| 45 | } |
|---|
| 46 | |
|---|
| 47 | switch (optional_actions) |
|---|
| 48 | { |
|---|
| 49 | case TCSANOW: |
|---|
| 50 | return __ioctl (fd, TIOCSETA, termios_p); |
|---|
| 51 | |
|---|
| 52 | case TCSADRAIN: |
|---|
| 53 | return __ioctl (fd, TIOCSETAW, termios_p); |
|---|
| 54 | |
|---|
| 55 | default: |
|---|
| 56 | return __ioctl (fd, TIOCSETAF, termios_p); |
|---|
| 57 | } |
|---|
| 58 | } |
|---|
| 59 | libc_hidden_def (tcsetattr) |
|---|
| 60 | |
|---|
