/* backupfile.h -- declarations for making Emacs style backup file names 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 the Free Software Foundation; either version 2, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; see the file COPYING. 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, /* Make simple backups of every file. */ simple, /* Make numbered backups of files that already have numbered backups, and simple backups of the others. */ numbered_existing, /* Make numbered backups of every file. */ numbered }; # define VALID_BACKUP_TYPE(Type) \ ((Type) == none \ || (Type) == simple \ || (Type) == numbered_existing \ || (Type) == numbered) extern char const *simple_backup_suffix; # ifndef PARAMS # if defined PROTOTYPES || (defined __STDC__ && __STDC__) # define PARAMS(Args) Args # else # define PARAMS(Args) () # endif # endif 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_ */