tweak from FSF

[gnulib.git] / lib / backupfile.h

diff --git a/lib/backupfile.h b/lib/backupfile.h
index dad1984..c14cbca 100644 (file)
--- a/lib/backupfile.h
+++ b/lib/backupfile.h
@@ -1,5 +1,5 @@
 /* backupfile.h -- declarations for making Emacs style backup file names
-   Copyright (C) 1990, 1991, 1992, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1990, 1991, 1992, 1997, 1998 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
@@ -33,18 +33,23 @@ enum backup_type
   numbered
 };
 
-extern enum backup_type backup_type;
+#define VALID_BACKUP_TYPE(Type)                \
+  ((Type) == none                      \
+   || (Type) == simple                 \
+   || (Type) == numbered_existing      \
+   || (Type) == numbered)
+
 extern char const *simple_backup_suffix;
 
-#ifndef __BACKUPFILE_P
-# if defined __STDC__ || __GNUC__
-#  define __BACKUPFILE_P(args) args
+#ifndef PARAMS
+# if defined PROTOTYPES || (defined __STDC__ && __STDC__)
+#  define PARAMS(Args) Args
 # else
-#  define __BACKUPFILE_P(args) ()
+#  define PARAMS(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));
+char *base_name PARAMS ((char const *));
+char *find_backup_file_name PARAMS ((char const *, enum backup_type));
+enum backup_type get_version PARAMS ((char const *));
+void addext PARAMS ((char *, char const *, int));