1*0b459c2cSDavid du Colombier /* backupfile.h -- declarations for making Emacs style backup file names 2*0b459c2cSDavid du Colombier Copyright (C) 1990, 1991, 1992, 1997 Free Software Foundation, Inc. 3*0b459c2cSDavid du Colombier 4*0b459c2cSDavid du Colombier This program is free software; you can redistribute it and/or modify 5*0b459c2cSDavid du Colombier it under the terms of the GNU General Public License as published by 6*0b459c2cSDavid du Colombier the Free Software Foundation; either version 2, or (at your option) 7*0b459c2cSDavid du Colombier any later version. 8*0b459c2cSDavid du Colombier 9*0b459c2cSDavid du Colombier This program is distributed in the hope that it will be useful, 10*0b459c2cSDavid du Colombier but WITHOUT ANY WARRANTY; without even the implied warranty of 11*0b459c2cSDavid du Colombier MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12*0b459c2cSDavid du Colombier GNU General Public License for more details. 13*0b459c2cSDavid du Colombier 14*0b459c2cSDavid du Colombier You should have received a copy of the GNU General Public License 15*0b459c2cSDavid du Colombier along with this program; see the file COPYING. 16*0b459c2cSDavid du Colombier If not, write to the Free Software Foundation, 17*0b459c2cSDavid du Colombier 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 18*0b459c2cSDavid du Colombier 19*0b459c2cSDavid du Colombier /* When to make backup files. */ 20*0b459c2cSDavid du Colombier enum backup_type 21*0b459c2cSDavid du Colombier { 22*0b459c2cSDavid du Colombier /* Never make backups. */ 23*0b459c2cSDavid du Colombier none, 24*0b459c2cSDavid du Colombier 25*0b459c2cSDavid du Colombier /* Make simple backups of every file. */ 26*0b459c2cSDavid du Colombier simple, 27*0b459c2cSDavid du Colombier 28*0b459c2cSDavid du Colombier /* Make numbered backups of files that already have numbered backups, 29*0b459c2cSDavid du Colombier and simple backups of the others. */ 30*0b459c2cSDavid du Colombier numbered_existing, 31*0b459c2cSDavid du Colombier 32*0b459c2cSDavid du Colombier /* Make numbered backups of every file. */ 33*0b459c2cSDavid du Colombier numbered 34*0b459c2cSDavid du Colombier }; 35*0b459c2cSDavid du Colombier 36*0b459c2cSDavid du Colombier extern enum backup_type backup_type; 37*0b459c2cSDavid du Colombier extern char const *simple_backup_suffix; 38*0b459c2cSDavid du Colombier 39*0b459c2cSDavid du Colombier #ifndef __BACKUPFILE_P 40*0b459c2cSDavid du Colombier # if defined __STDC__ || __GNUC__ 41*0b459c2cSDavid du Colombier # define __BACKUPFILE_P(args) args 42*0b459c2cSDavid du Colombier # else 43*0b459c2cSDavid du Colombier # define __BACKUPFILE_P(args) () 44*0b459c2cSDavid du Colombier # endif 45*0b459c2cSDavid du Colombier #endif 46*0b459c2cSDavid du Colombier 47*0b459c2cSDavid du Colombier char *base_name __BACKUPFILE_P ((char const *)); 48*0b459c2cSDavid du Colombier char *find_backup_file_name __BACKUPFILE_P ((char const *)); 49*0b459c2cSDavid du Colombier enum backup_type get_version __BACKUPFILE_P ((char const *)); 50*0b459c2cSDavid du Colombier void addext __BACKUPFILE_P ((char *, char const *, int)); 51