| /* Change the protections of file relative to open directory. Linux version. |
| Copyright (C) 2006-2018 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); |
| } |