| /* Rename a file to a backup name, Emacs style. |
| |
| Copyright 2017-2020 Free Software Foundation, Inc. |
| |
| This program is free software: you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program 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 General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <https://www.gnu.org/licenses/>. */ |
| |
| #include <config.h> |
| |
| #include "backup-internal.h" |
| |
| /* Relative to DIR_FD, rename the existing file FILE to a backup name, |
| allocated with malloc, and return the backup name. On failure |
| return a null pointer, setting errno. Do not call this function if |
| backup_type == no_backups. */ |
| |
| char * |
| backup_file_rename (int dir_fd, char const *file, enum backup_type backup_type) |
| { |
| return backupfile_internal (dir_fd, file, backup_type, true); |
| } |