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c90c5d41 | 1 | /* Change the protections of file relative to open directory. Linux version. |
04277e02 | 2 | Copyright (C) 2006-2019 Free Software Foundation, Inc. |
c90c5d41 RM |
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 | |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
c90c5d41 RM |
18 | |
19 | #include <errno.h> | |
20 | #include <fcntl.h> | |
21 | #include <stddef.h> | |
22 | #include <stdio.h> | |
23 | #include <string.h> | |
24 | #include <unistd.h> | |
25 | #include <sys/types.h> | |
26 | #include <alloca.h> | |
27 | #include <sysdep.h> | |
28 | ||
29 | int | |
bd2260a2 | 30 | fchmodat (int fd, const char *file, mode_t mode, int flag) |
c90c5d41 RM |
31 | { |
32 | if (flag & ~AT_SYMLINK_NOFOLLOW) | |
2caca60d | 33 | return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL); |
c90c5d41 RM |
34 | #ifndef __NR_lchmod /* Linux so far has no lchmod syscall. */ |
35 | if (flag & AT_SYMLINK_NOFOLLOW) | |
2caca60d | 36 | return INLINE_SYSCALL_ERROR_RETURN_VALUE (ENOTSUP); |
c90c5d41 RM |
37 | #endif |
38 | ||
e5dee2c8 | 39 | return INLINE_SYSCALL (fchmodat, 3, fd, file, mode); |
c90c5d41 | 40 | } |