1 files changed, 28 insertions, 0 deletions
diff --git a/src/org/tukaani/xz/common/Util.java b/src/org/tukaani/xz/common/Util.java
new file mode 100644
index 0000000..c4324ce
--- /dev/null
+++ b/src/org/tukaani/xz/common/Util.java
@@ -0,0 +1,28 @@
+/*
+ * Util
+ *
+ * Author: Lasse Collin <lasse.collin@tukaani.org>
+ *
+ * This file has been put into the public domain.
+ * You can do whatever you want with this file.
+ */
+
+package org.tukaani.xz.common;
+
+public class Util {
+    public static final int STREAM_HEADER_SIZE = 12;
+    public static final long BACKWARD_SIZE_MAX = 1L << 34;
+    public static final int BLOCK_HEADER_SIZE_MAX = 1024;
+    public static final long VLI_MAX = Long.MAX_VALUE;
+    public static final int VLI_SIZE_MAX = 9;
+
+    public static int getVLISize(long num) {
+        int size = 0;
+        do {
+            ++size;
+            num >>= 7;
+        } while (num != 0);
+
+        return size;
+    }
+}