| /* backupfile.h -- declarations for making Emacs style backup file names |
| Copyright (C) 1990-1992, 1997-1999, 2001-2003 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/>. */ |
| |
| #ifndef BACKUPFILE_H_ |
| # define BACKUPFILE_H_ |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| |
| /* When to make backup files. */ |
| enum backup_type |
| { |
| /* Never make backups. */ |
| none, |
| |
| /* Make simple backups of every file. */ |
| simple, |
| |
| /* Make numbered backups of files that already have numbered backups, |
| and simple backups of the others. */ |
| numbered_existing, |
| |
| /* Make numbered backups of every file. */ |
| numbered |
| }; |
| |
| # define VALID_BACKUP_TYPE(Type) \ |
| ((Type) == none \ |
| || (Type) == simple \ |
| || (Type) == numbered_existing \ |
| || (Type) == numbered) |
| |
| extern DLL_VARIABLE char const *simple_backup_suffix; |
| |
| extern char *find_backup_file_name (char const *file, |
| enum backup_type backup_type); |
| extern enum backup_type get_version (char const *context, char const *arg); |
| extern enum backup_type xget_version (char const *context, char const *arg); |
| extern void addext (char *filename, char const *ext, char e); |
| |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* ! BACKUPFILE_H_ */ |