1 /* Rename a file to a backup name, Emacs style.
3 Copyright 2017-2018 Free Software Foundation, Inc.
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
10 This program 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
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <https://www.gnu.org/licenses/>. */
20 #include "backup-internal.h"
22 /* Relative to DIR_FD, rename the existing file FILE to a backup name,
23 allocated with malloc, and return the backup name. On failure
24 return a null pointer, setting errno. Do not call this function if
25 backup_type == no_backups. */
28 backup_file_rename (int dir_fd
, char const *file
, enum backup_type backup_type
)
30 return backupfile_internal (dir_fd
, file
, backup_type
, true);