Describe dummy test model. Work on OpenFlow intro.

[openvswitch] / lib / bitmap.h

diff --git a/lib/bitmap.h b/lib/bitmap.h
index fd05d3da135457356e2e347f377059b67638831d..89804962323572d4d1be8fb450fd9ff8cdda0624 100644 (file)
--- a/lib/bitmap.h
+++ b/lib/bitmap.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2009, 2010 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -26,7 +26,7 @@
 static inline unsigned long *
 bitmap_unit__(const unsigned long *bitmap, size_t offset)
 {
-    return (unsigned long *) &bitmap[offset / BITMAP_ULONG_BITS];
+    return CONST_CAST(unsigned long *, &bitmap[offset / BITMAP_ULONG_BITS]);
 }
 
 static inline unsigned long
@@ -53,6 +53,14 @@ bitmap_allocate(size_t n_bits)
     return xzalloc(bitmap_n_bytes(n_bits));
 }
 
+unsigned long *bitmap_allocate1(size_t n_bits);
+
+static inline unsigned long *
+bitmap_clone(const unsigned long *bitmap, size_t n_bits)
+{
+    return xmemdup(bitmap, bitmap_n_bytes(n_bits));
+}
+
 static inline void
 bitmap_free(unsigned long *bitmap)
 {