util: New function bitwise_zero().

Signed-off-by: Ben Pfaff <blp@nicira.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/lib/util.h b/lib/util.h
index c8eb0046..d504f2fe 100644
--- a/lib/util.h
+++ b/lib/util.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira Networks.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -211,6 +211,8 @@ bool is_all_ones(const uint8_t *, size_t);
 void bitwise_copy(const void *src, unsigned int src_len, unsigned int src_ofs,
                   void *dst, unsigned int dst_len, unsigned int dst_ofs,
                   unsigned int n_bits);
+void bitwise_zero(void *dst_, unsigned int dst_len, unsigned dst_ofs,
+                  unsigned int n_bits);
 void bitwise_put(uint64_t value,
                  void *dst, unsigned int dst_len, unsigned int dst_ofs,
                  unsigned int n_bits);