--- embedaddon/quagga/tests/test-checksum.c	2013/07/21 23:54:40	1.1.1.2
+++ embedaddon/quagga/tests/test-checksum.c	2016/11/02 10:09:12	1.1.1.3
@@ -1,3 +1,24 @@
+/* 
+ * Copyright (C) 2008 Sun Microsystems, Inc.
+ *
+ * This file is part of Quagga.
+ *
+ * Quagga 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.
+ *
+ * Quagga 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 Quagga; see the file COPYING.  If not, write to the Free
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.  
+ */
+
 #include <zebra.h>
 #include <stdlib.h>
 #include <time.h>
@@ -24,42 +45,7 @@ typedef uint16_t testoff_t;
 
 /* Fletcher Checksum -- Refer to RFC1008. */
 #define MODX                 4102
-
-/* Accumulator phase of checksum */
-static 
-struct acc_vals
-accumulate (u_char *buffer, testsz_t len, testoff_t off)
-{
-  u_int8_t *p;
-  u_int16_t *csum;
-  int i, partial_len;
-  struct acc_vals ret;
-  
-  csum = (u_int16_t *) (buffer + off);
-  *(csum) = 0;
-  
-  p = buffer;
-  ret.c0 = 0;
-  ret.c1 = 0;
-  
-  while (len != 0)
-    {
-      partial_len = MIN(len, MODX);
 
-      for (i = 0; i < partial_len; i++)
-	{
-	  ret.c0 = ret.c0 + *(p++);
-	  ret.c1 += ret.c0;
-	}
-
-      ret.c0 = ret.c0 % 255;
-      ret.c1 = ret.c1 % 255;
-
-      len -= partial_len;
-    }
-  return ret;
-}
-
 /* The final reduction phase.
  * This one should be the original ospfd version 
  */
@@ -263,7 +249,7 @@ struct reductions_t {
   { .name = "isisd-mody", 	.f = reduce_isisd_mody },
   { NULL, NULL },
 };
-
+
 /* The original ospfd checksum */
 static u_int16_t
 ospfd_checksum (u_char *buffer, testsz_t len, testoff_t off)