1 | /* Create a special or ordinary file. Linux version. |
2 | Copyright (C) 2020-2023 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
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. |
9 | |
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. |
14 | |
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 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <sys/types.h> |
20 | #include <sys/stat.h> |
21 | #include <errno.h> |
22 | #include <sysdep.h> |
23 | |
24 | int |
25 | __mknodat (int fd, const char *path, mode_t mode, dev_t dev) |
26 | { |
27 | /* The user-exported dev_t is 64-bit while the kernel interface is |
28 | 32-bit. */ |
29 | unsigned int k_dev = dev; |
30 | if (k_dev != dev) |
31 | return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL); |
32 | |
33 | return INLINE_SYSCALL_CALL (mknodat, fd, path, mode, k_dev); |
34 | } |
35 | libc_hidden_def (__mknodat) |
36 | weak_alias (__mknodat, mknodat) |
37 | |