1 files changed, 27 insertions, 0 deletions
diff --git a/contrib/tar/src/arith.h b/contrib/tar/src/arith.h
new file mode 100644
index 0000000..a1e532f
--- /dev/null
+++ b/contrib/tar/src/arith.h
@@ -0,0 +1,27 @@
+/* Long integers, for GNU tar.
+   Copyright 1999 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; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+/* Handle large integers for calculating big tape lengths and the
+   like.  In practice, double precision does for now.  On the vast
+   majority of machines, it counts up to 2**52 bytes without any loss
+   of information, and counts up to 2**62 bytes if data are always
+   blocked in 1 kB boundaries.  We'll need arbitrary precision
+   arithmetic anyway once we get into the 2**64 range, so there's no
+   point doing anything fancy before then.  */
+   
+#define TARLONG_FORMAT "%.0f"
+typedef double tarlong;