1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
/* xmknod call using old-style Unix mknod system call.
Copyright (C) 1991,1993,1995,1996,1997,2002 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/sysmacros.h>
extern int __syscall_mknod (const char *, unsigned int, unsigned int);
/* Create a device file named PATH, with permission and special bits MODE
and device number DEV (which can be constructed from major and minor
device numbers with the `makedev' macro above). */
int
__xmknod (int vers, const char *path, mode_t mode, dev_t *dev)
{
unsigned int k_dev;
if (vers != _MKNOD_VER)
{
__set_errno (EINVAL);
return -1;
}
/* We must convert the value to dev_t type used by the kernel. */
k_dev = ((major (*dev) & 0xff) << 8) | (minor (*dev) & 0xff);
return __syscall_mknod (path, mode, k_dev);
}
weak_alias (__xmknod, _xmknod)
libc_hidden_def (__xmknod)
|
