ref: bc54898807d27e79ba9f1b595ef3e09e3da67522
dir: /sys/src/ape/cmd/patch/backupfile.h/
/* backupfile.h -- declarations for making Emacs style backup file names
Copyright (C) 1990, 1991, 1992, 1997 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. */
/* 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
};
extern enum backup_type backup_type;
extern char const *simple_backup_suffix;
#ifndef __BACKUPFILE_P
# if defined __STDC__ || __GNUC__
# define __BACKUPFILE_P(args) args
# else
# define __BACKUPFILE_P(args) ()
# 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));