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/* Change the protections of file relative to open directory. Linux version.
Copyright (C) 2006-2015 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 (fd, file, mode, flag)
int fd;
const char *file;
mode_t mode;
int flag;
{
if (flag & ~AT_SYMLINK_NOFOLLOW)
{
__set_errno (EINVAL);
return -1;
}
#ifndef __NR_lchmod /* Linux so far has no lchmod syscall. */
if (flag & AT_SYMLINK_NOFOLLOW)
{
__set_errno (ENOTSUP);
return -1;
}
#endif
return INLINE_SYSCALL (fchmodat, 3, fd, file, mode);
}
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