--- \apache-ant-1.7.0\src\main\org\apache\tools\tar\TarUtils.java	Wed Dec 13 07:16:18 2006
+++ tar\TarUtils.java	Wed May 23 20:13:01 2007
@@ -146,6 +146,38 @@
     }
 
     /**
+     * Encodes an octal integer to a header buffer using older Gnu format.
+     *
+     * @param value The header value
+     * @param buf The buffer to which to encode.
+     * @param offset The offset into the buffer to which to encode.
+     * @param length The number of header bytes to encode.
+     * @return The new offset to header buffer.
+     */
+    public static int setOldOctalBytes(long value, byte[] buf, int offset, int length) {
+        int    idx = length - 1;
+
+        buf[offset + idx] = 0;
+        --idx;
+
+        if (value == 0) {
+            buf[offset + idx] = (byte) '0';
+            --idx;
+        } else {
+            for (long val = value; idx >= 0 && val > 0; --idx) {
+                buf[offset + idx] = (byte) ((byte) '0' + (byte) (val & 7));
+                val = val >> 3;
+            }
+        }
+
+        for (; idx >= 0; --idx) {
+            buf[offset + idx] = (byte) '0';
+        }
+
+        return offset + length;
+    }
+
+    /**
      * Parse an octal long integer from a header buffer.
      *
      * @param value The header value
@@ -174,6 +206,24 @@
      */
     public static int getCheckSumOctalBytes(long value, byte[] buf, int offset, int length) {
         getOctalBytes(value, buf, offset, length);
+
+        buf[offset + length - 1] = (byte) ' ';
+        buf[offset + length - 2] = 0;
+
+        return offset + length;
+    }
+
+    /**
+     * Encode the checksum octal integer to a header buffer.
+     *
+     * @param value The header value
+     * @param buf The buffer to which to encode.
+     * @param offset The offset into the buffer to which to encode.
+     * @param length The number of header bytes to encode.
+     * @return The new offset to header buffer.
+     */
+    public static int setOldCheckSumOctalBytes(long value, byte[] buf, int offset, int length) {
+        setOldOctalBytes(value, buf, offset, length - 1);
 
         buf[offset + length - 1] = (byte) ' ';
         buf[offset + length - 2] = 0;