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 * $FreeBSD$
15 */
16
17/* When to make backup files. */
18enum backup_type {
19	/* Never make backups. */
20	none,
21
22	/* Make simple backups of every file. */
23	simple,
24
25	/*
26	 * Make numbered backups of files that already have numbered backups,
27	 * and simple backups of the others.
28	 */
29	numbered_existing,
30
31	/* Make numbered backups of every file. */
32	numbered
33};
34
35extern enum backup_type backup_type;
36extern const char	*simple_backup_suffix;
37
38char		*find_backup_file_name(const char *file);
39enum backup_type get_version(const char *version);
40