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bfff8b1b | 1 | /* Copyright (C) 2005-2017 Free Software Foundation, Inc. |
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2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU Lesser General Public | |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
8 | ||
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
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17 | |
18 | #include <errno.h> | |
19 | #include <fcntl.h> | |
322a48c5 | 20 | #include <stddef.h> |
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21 | #include <sys/types.h> |
22 | #include <sys/stat.h> | |
23 | ||
24 | /* Create a device file named PATH relative to FD, with permission and | |
25 | special bits MODE and device number DEV (which can be constructed | |
26 | from major and minor device numbers with the `makedev' macro | |
27 | above). */ | |
28 | int | |
29 | __xmknodat (int vers, int fd, const char *path, mode_t mode, dev_t *dev) | |
30 | { | |
31 | if (vers != _MKNOD_VER) | |
32 | { | |
33 | __set_errno (EINVAL); | |
34 | return -1; | |
35 | } | |
36 | ||
37 | if (path == NULL) | |
38 | { | |
39 | __set_errno (EINVAL); | |
40 | return -1; | |
41 | } | |
42 | ||
43 | if (fd != AT_FDCWD && path[0] != '/') | |
44 | { | |
45 | /* Check FD is associated with a directory. */ | |
46 | struct stat64 st; | |
47 | if (__fxstat64 (_STAT_VER, fd, &st) != 0) | |
48 | return -1; | |
49 | ||
50 | if (!S_ISDIR (st.st_mode)) | |
51 | { | |
52 | __set_errno (ENOTDIR); | |
53 | return -1; | |
54 | } | |
55 | } | |
56 | ||
57 | __set_errno (ENOSYS); | |
58 | return -1; | |
59 | } | |
60 | stub_warning (__xmknodat) | |
61 | ||
62 | libc_hidden_def (__xmknodat) |