1 files changed, 45 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/device-nrs.h b/REORG.TODO/sysdeps/unix/sysv/linux/device-nrs.h
new file mode 100644
index 0000000000..37a894b139
--- /dev/null
+++ b/REORG.TODO/sysdeps/unix/sysv/linux/device-nrs.h
@@ -0,0 +1,45 @@
+/* Device numbers of devices used in the implementation.  Linux version.
+   Copyright (C) 2000-2017 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 = major ((statp)->st_rdev);			      \
+     __dev_major >= DEV_TTY_LOW_MAJOR && __dev_major <= DEV_TTY_HIGH_MAJOR; })
+
+#endif	/* device-nrs.h */