| /* Change the protections of file relative to open directory.  Stub version. | 
 |    Copyright (C) 2006-2016 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 <unistd.h> | 
 | #include <sys/types.h> | 
 | #include <sys/stat.h> | 
 |  | 
 | int | 
 | fchmodat (int fd, const char *file, mode_t mode, int flag) | 
 | { | 
 |   if (file == NULL || (flag & ~AT_SYMLINK_NOFOLLOW) != 0) | 
 |     { | 
 |       __set_errno (EINVAL); | 
 |       return -1; | 
 |     } | 
 |  | 
 |   if (fd < 0 && fd != AT_FDCWD) | 
 |     { | 
 |       __set_errno (EBADF); | 
 |       return -1; | 
 |     } | 
 |  | 
 |   __set_errno (ENOSYS); | 
 |   return -1; | 
 | } | 
 | stub_warning (fchmodat) |