1 /* Rename a file using relative source and destination names. Hurd version.
2 Copyright (C) 1991-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
23 /* Rename the file OLD relative to OLDFD to NEW relative to NEWFD. */
25 __renameat2 (int oldfd
, const char *old
, int newfd
, const char *new,
29 file_t olddir
, newdir
;
30 const char *oldname
, *newname
;
33 if ((flags
& (RENAME_EXCHANGE
| RENAME_NOREPLACE
)) == (RENAME_EXCHANGE
| RENAME_NOREPLACE
))
34 return __hurd_fail (EINVAL
);
35 if (flags
& (RENAME_EXCHANGE
| RENAME_WHITEOUT
))
36 return __hurd_fail (ENOSYS
);
37 if (flags
& RENAME_NOREPLACE
)
40 olddir
= __directory_name_split_at (oldfd
, old
, (char **) &oldname
);
41 if (olddir
== MACH_PORT_NULL
)
43 newdir
= __directory_name_split_at (newfd
, new, (char **) &newname
);
44 if (newdir
== MACH_PORT_NULL
)
46 __mach_port_deallocate (__mach_task_self (), olddir
);
50 err
= __dir_rename (olddir
, oldname
, newdir
, newname
, excl
);
51 __mach_port_deallocate (__mach_task_self (), olddir
);
52 __mach_port_deallocate (__mach_task_self (), newdir
);
54 return __hurd_fail (err
);
57 libc_hidden_def (__renameat2
)
58 weak_alias (__renameat2
, renameat2
)