[GNUnet-SVN] r6264 - GNUnet/src/util/containers

[gnunet]

Author: grothoff
Date: 2008-02-12 10:19:13 -0700 (Tue, 12 Feb 2008)
New Revision: 6264

Modified:
   GNUnet/src/util/containers/bloomfilter.c
Log:
or

Modified: GNUnet/src/util/containers/bloomfilter.c
===================================================================
--- GNUnet/src/util/containers/bloomfilter.c    2008-02-12 07:42:00 UTC (rev 
6263)
+++ GNUnet/src/util/containers/bloomfilter.c    2008-02-12 17:19:13 UTC (rev 
6264)
@@ -1,6 +1,6 @@
 /*
      This file is part of GNUnet.
-     (C) 2001, 2002, 2003, 2004, 2006 Christian Grothoff (and other 
contributing authors)
+     (C) 2001, 2002, 2003, 2004, 2006, 2008 Christian Grothoff (and other 
contributing authors)
 
      GNUnet is free software; you can redistribute it and/or modify
      it under the terms of the GNU General Public License as published
@@ -630,7 +630,30 @@
   GNUNET_mutex_unlock (bf->lock);
 }
 
+
 /**
+ * Or the entries of the given raw data array with the
+ * data of the given bloom filter.  Assumes that
+ * the size of the data array and the current filter
+ * match.
+ * @param bf the filter
+ */
+int GNUNET_bloomfilter_or (struct GNUNET_BloomFilter *bf,
+                          const char * data,
+                          unsigned int size)
+{
+  unsigned int i;
+
+  if (bf->bitArraySize != size)
+    return GNUNET_SYSERR;
+  /* FIXME: we could do this 4-8x faster by 
+     going over int/long arrays */
+  for (i=0;i<size;i++)
+    bf->bitArray[i] |= data[i];  
+  return GNUNET_OK;
+}
+
+/**
  * Remove an element from the filter.
  *
  * @param bf the filter