| 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. |
|---|
| 4 | |
|---|
| 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. |
|---|
| 9 | |
|---|
| 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. |
|---|
| 14 | |
|---|
| 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/>. */ |
|---|
| 18 | |
|---|
| 19 | #include <stdio.h> |
|---|
| 20 | #include <hurd.h> |
|---|
| 21 | #include <hurd/fd.h> |
|---|
| 22 | |
|---|
| 23 | /* Rename the file OLD relative to OLDFD to NEW relative to NEWFD. */ |
|---|
| 24 | int |
|---|
| 25 | __renameat2 (int oldfd, const char *old, int newfd, const char *new, |
|---|
| 26 | unsigned int flags) |
|---|
| 27 | { |
|---|
| 28 | error_t err; |
|---|
| 29 | file_t olddir, newdir; |
|---|
| 30 | const char *oldname, *newname; |
|---|
| 31 | int excl = 0; |
|---|
| 32 | |
|---|
| 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) |
|---|
| 38 | excl = 1; |
|---|
| 39 | |
|---|
| 40 | olddir = __directory_name_split_at (oldfd, old, (char **) &oldname); |
|---|
| 41 | if (olddir == MACH_PORT_NULL) |
|---|
| 42 | return -1; |
|---|
| 43 | newdir = __directory_name_split_at (newfd, new, (char **) &newname); |
|---|
| 44 | if (newdir == MACH_PORT_NULL) |
|---|
| 45 | { |
|---|
| 46 | __mach_port_deallocate (__mach_task_self (), olddir); |
|---|
| 47 | return -1; |
|---|
| 48 | } |
|---|
| 49 | |
|---|
| 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); |
|---|
| 53 | if (err) |
|---|
| 54 | return __hurd_fail (err); |
|---|
| 55 | return 0; |
|---|
| 56 | } |
|---|
| 57 | libc_hidden_def (__renameat2) |
|---|
| 58 | weak_alias (__renameat2, renameat2) |
|---|
| 59 | |
|---|
