/* backupfile.h -- declarations for making Emacs style backup file names Copyright (C) 1990, 1991, 1992, 1997, 1998, 1999, 2003, 2004 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #ifndef BACKUPFILE_H_ # define BACKUPFILE_H_ # ifdef __cplusplus extern "C" { # endif /* When to make backup files. */ enum backup_type { /* Never make backups. */ no_backups, /* Make simple backups of every file. */ simple_backups, /* Make numbered backups of files that already have numbered backups, and simple backups of the others. */ numbered_existing_backups, /* Make numbered backups of every file. */ numbered_backups }; # define VALID_BACKUP_TYPE(Type) \ ((unsigned int) (Type) <= numbered_backups) extern char const *simple_backup_suffix; char *find_backup_file_name (char const *, enum backup_type); enum backup_type get_version (char const *context, char const *arg); enum backup_type xget_version (char const *context, char const *arg); void addext (char *, char const *, int); # ifdef __cplusplus } # endif #endif /* ! BACKUPFILE_H_ */