1/*-
2 * Copyright (C) 1990 Free Software Foundation, Inc.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * without restriction.
6 *
7 * This program is distributed in the hope that it will be useful, but WITHOUT
8 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
9 * FITNESS FOR A PARTICULAR PURPOSE.
10 *
11 * backupfile.h -- declarations for making Emacs style backup file names
12 *
13 * $OpenBSD: backupfile.h,v 1.6 2003/07/28 18:35:36 otto Exp $
14 */
15
16/* When to make backup files. */
17enum backup_type {
18	/* Never make backups. */
19	none,
20
21	/* Make simple backups of every file. */
22	simple,
23
24	/*
25	 * Make numbered backups of files that already have numbered backups,
26	 * and simple backups of the others.
27	 */
28	numbered_existing,
29
30	/* Make numbered backups of every file. */
31	numbered
32};
33
34extern enum backup_type backup_type;
35extern const char	*simple_backup_suffix;
36
37char		*find_backup_file_name(const char *file);
38enum backup_type get_version(const char *version);
39