xref: /netbsd-src/usr.bin/patch/backupfile.h (revision 23c8222edbfb0f0932d88a8351d3a0cf817dfb9e)
1 /*	$NetBSD: backupfile.h,v 1.5 2003/07/08 01:55:35 kristerw Exp $	*/
2 
3 /* backupfile.h -- declarations for making Emacs style backup file names
4    Copyright (C) 1990 Free Software Foundation, Inc.
5 
6    This program is free software; you can redistribute it and/or modify
7    it without restriction.
8 
9    This program is distributed in the hope that it will be useful,
10    but WITHOUT ANY WARRANTY; without even the implied warranty of
11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12 */
13 
14 /* When to make backup files. */
15 enum backup_type
16 {
17   /* Never make backups. */
18   none,
19 
20   /* Make simple backups of every file. */
21   simple,
22 
23   /* Make numbered backups of files that already have numbered backups,
24      and simple backups of the others. */
25   numbered_existing,
26 
27   /* Make numbered backups of every file. */
28   numbered
29 };
30 
31 extern enum backup_type backup_type;
32 extern const char *simple_backup_suffix;
33 
34 char *find_backup_file_name(char *);
35 enum backup_type get_version(char *);
36 char *basename(char *);
37