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git.ipfire.org Git - thirdparty/glibc.git/blob - sysdeps/unix/sysv/linux/generic/xmknod.c
1 /* Copyright (C) 2011-2017 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
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.
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.
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/>. */
21 #include <sys/types.h>
23 #include <sys/sysmacros.h>
26 #include <sys/syscall.h>
28 /* Create a device file named PATH, with permission and special bits MODE
29 and device number DEV (which can be constructed from major and minor
30 device numbers with the `makedev' macro above). */
32 __xmknod (int vers
, const char *path
, mode_t mode
, dev_t
*dev
)
34 unsigned long long int k_dev
;
36 if (vers
!= _MKNOD_VER
)
42 /* We must convert the value to dev_t type used by the kernel. */
43 k_dev
= (*dev
) & ((1ULL << 32) - 1);
50 return INLINE_SYSCALL (mknodat
, 4, AT_FDCWD
, path
, mode
,
51 (unsigned int) k_dev
);
53 weak_alias (__xmknod
, _xmknod
)
54 libc_hidden_def (__xmknod
)