/* backupfile.h -- declarations for making Emacs style backup file names
- Copyright (C) 1990, 1991, 1992, 1997, 1998 Free Software Foundation, Inc.
+ Copyright (C) 1990-1992, 1997-1999 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
If not, write to the Free Software Foundation,
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+#ifndef BACKUPFILE_H_
+# define BACKUPFILE_H_
+
/* When to make backup files. */
enum backup_type
{
/* Never make backups. */
- none = 1,
+ none,
/* Make simple backups of every file. */
simple,
numbered
};
-extern enum backup_type backup_type;
+# define VALID_BACKUP_TYPE(Type) \
+ ((Type) == none \
+ || (Type) == simple \
+ || (Type) == numbered_existing \
+ || (Type) == numbered)
+
extern char const *simple_backup_suffix;
-#ifndef __BACKUPFILE_P
-# if defined __STDC__ || __GNUC__
-# define __BACKUPFILE_P(args) args
-# else
-# define __BACKUPFILE_P(args) ()
+# ifndef PARAMS
+# if defined PROTOTYPES || (defined __STDC__ && __STDC__)
+# define PARAMS(Args) Args
+# else
+# define PARAMS(Args) ()
+# endif
# endif
-#endif
-char *base_name __BACKUPFILE_P ((char const *));
-char *find_backup_file_name __BACKUPFILE_P ((char const *));
-enum backup_type get_version __BACKUPFILE_P ((char const *));
-void addext __BACKUPFILE_P ((char *, char const *, int));
+char *find_backup_file_name PARAMS ((char const *, enum backup_type));
+enum backup_type get_version PARAMS ((char const *context, char const *arg));
+enum backup_type xget_version PARAMS ((char const *context, char const *arg));
+void addext PARAMS ((char *, char const *, int));
+
+#endif /* ! BACKUPFILE_H_ */