X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=lib%2Fbackupfile.h;h=cd6d0059f7497bcf17fd20310f96587facb05967;hb=daf7f8c02242c535d596231e2f655109b97fa2bc;hp=65a189e3eaa25d950559bdd9a90369d8c5eaa67e;hpb=d87c39464604e74f580c7fae835be31a4c125c36;p=gnulib.git diff --git a/lib/backupfile.h b/lib/backupfile.h index 65a189e3e..cd6d0059f 100644 --- a/lib/backupfile.h +++ b/lib/backupfile.h @@ -1,10 +1,12 @@ /* backupfile.h -- declarations for making Emacs style backup file names - Copyright (C) 1990 Free Software Foundation, Inc. - This program is free software; you can redistribute it and/or modify + Copyright (C) 1990-1992, 1997-1999, 2003-2004, 2009-2012 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. + the Free Software Foundation; either version 3 of the License, 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 @@ -12,31 +14,46 @@ GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + along with this program. If not, see . */ + +#ifndef BACKUPFILE_H_ +# define BACKUPFILE_H_ + +# ifdef __cplusplus +extern "C" { +# endif + /* When to make backup files. */ enum backup_type { /* Never make backups. */ - none, + no_backups, /* Make simple backups of every file. */ - simple, + simple_backups, /* Make numbered backups of files that already have numbered backups, and simple backups of the others. */ - numbered_existing, + numbered_existing_backups, /* Make numbered backups of every file. */ - numbered + numbered_backups }; -extern enum backup_type backup_type; -extern char *simple_backup_suffix; +# 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 -#ifdef __STDC__ -char *find_backup_file_name (char *file); -#else -char *find_backup_file_name (); -#endif +#endif /* ! BACKUPFILE_H_ */