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- /* Change the protections of file relative to open directory. Linux version.
- Copyright (C) 2006-2019 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, see
- <http://www.gnu.org/licenses/>. */
- #include <errno.h>
- #include <fcntl.h>
- #include <stddef.h>
- #include <stdio.h>
- #include <string.h>
- #include <unistd.h>
- #include <sys/types.h>
- #include <alloca.h>
- #include <sysdep.h>
- int
- fchmodat (int fd, const char *file, mode_t mode, int flag)
- {
- if (flag & ~AT_SYMLINK_NOFOLLOW)
- return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
- #ifndef __NR_lchmod /* Linux so far has no lchmod syscall. */
- if (flag & AT_SYMLINK_NOFOLLOW)
- return INLINE_SYSCALL_ERROR_RETURN_VALUE (ENOTSUP);
- #endif
- return INLINE_SYSCALL (fchmodat, 3, fd, file, mode);
- }
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