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backupfile.h (1027B)


      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. */
     18 enum 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 
     35 extern enum backup_type backup_type;
     36 extern const char	*simple_backup_suffix;
     37 
     38 char		*find_backup_file_name(const char *file);
     39 enum backup_type get_version(const char *version);