| /* 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 <errno.h> |
| #include <stddef.h> |
| #include <termios.h> |
| |
| static int bad_speed (speed_t speed); |
| |
| /* Set the state of FD to *TERMIOS_P. */ |
| int |
| tcsetattr (int fd, int optional_actions, const struct termios *termios_p) |
| { |
| if (fd < 0) |
| { |
| __set_errno (EBADF); |
| return -1; |
| } |
| if (termios_p == NULL) |
| { |
| __set_errno (EINVAL); |
| return -1; |
| } |
| switch (optional_actions) |
| { |
| case TCSANOW: |
| case TCSADRAIN: |
| case TCSAFLUSH: |
| break; |
| default: |
| __set_errno (EINVAL); |
| return -1; |
| } |
| |
| if (bad_speed(termios_p->__ospeed) || |
| bad_speed(termios_p->__ispeed == 0 ? |
| termios_p->__ospeed : termios_p->__ispeed)) |
| { |
| __set_errno (EINVAL); |
| return -1; |
| } |
| |
| __set_errno (ENOSYS); |
| return -1; |
| } |
| libc_hidden_def (tcsetattr) |
| |
| /* Strychnine checking. */ |
| static int |
| bad_speed (speed_t speed) |
| { |
| switch (speed) |
| { |
| case B0: |
| case B50: |
| case B75: |
| case B110: |
| case B134: |
| case B150: |
| case B200: |
| case B300: |
| case B600: |
| case B1200: |
| case B1800: |
| case B2400: |
| case B4800: |
| case B9600: |
| case B19200: |
| case B38400: |
| case B57600: |
| case B115200: |
| case B230400: |
| case B460800: |
| case B500000: |
| case B576000: |
| case B921600: |
| case B1000000: |
| case B1152000: |
| case B1500000: |
| case B2000000: |
| case B2500000: |
| case B3000000: |
| case B3500000: |
| case B4000000: |
| return 0; |
| default: |
| return 1; |
| } |
| } |
| |
| |
| stub_warning (tcsetattr) |