| /* Device numbers of devices used in the implementation. Linux version. |
| Copyright (C) 2000-2018 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/>. */ |
| |
| #ifndef _DEVICE_NRS_H |
| #define _DEVICE_NRS_H 1 |
| |
| #include <sys/sysmacros.h> |
| |
| /* /dev/null is (1,3). */ |
| #define DEV_NULL_MAJOR 1 |
| #define DEV_NULL_MINOR 3 |
| |
| /* /dev/full is (1,7). */ |
| #define DEV_FULL_MAJOR 1 |
| #define DEV_FULL_MINOR 7 |
| |
| /* Pseudo tty slaves. For Linux we use the Unix98 ttys. We could |
| also include the old BSD-style tty buts they should not be used and |
| the extra test would only slow down correctly set up systems. If a |
| system still uses those device the slower tests performed (using |
| isatty) will catch it. */ |
| #define DEV_TTY_LOW_MAJOR 136 |
| #define DEV_TTY_HIGH_MAJOR 143 |
| |
| /* Test whether given device is a tty. */ |
| #define DEV_TTY_P(statp) \ |
| ({ int __dev_major = __gnu_dev_major ((statp)->st_rdev); \ |
| __dev_major >= DEV_TTY_LOW_MAJOR && __dev_major <= DEV_TTY_HIGH_MAJOR; }) |
| |
| #endif /* device-nrs.h */ |
