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ofproto: Generalize facet_put__() so that it is more useful.
[openvswitch]
/
lib
/
bitmap.h
diff --git
a/lib/bitmap.h
b/lib/bitmap.h
index 204281030e2b8e7a04a275084d047692789188fc..fd05d3da135457356e2e347f377059b67638831d 100644
(file)
--- a/
lib/bitmap.h
+++ b/
lib/bitmap.h
@@
-1,5
+1,5
@@
/*
/*
- * Copyright (c) 2008, 2009 Nicira Networks.
+ * Copyright (c) 2008, 2009
, 2010
Nicira Networks.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@
-35,11
+35,22
@@
bitmap_bit__(size_t offset)
return 1UL << (offset % BITMAP_ULONG_BITS);
}
return 1UL << (offset % BITMAP_ULONG_BITS);
}
+static inline size_t
+bitmap_n_longs(size_t n_bits)
+{
+ return DIV_ROUND_UP(n_bits, BITMAP_ULONG_BITS);
+}
+
+static inline size_t
+bitmap_n_bytes(size_t n_bits)
+{
+ return bitmap_n_longs(n_bits) * sizeof(unsigned long int);
+}
+
static inline unsigned long *
bitmap_allocate(size_t n_bits)
{
static inline unsigned long *
bitmap_allocate(size_t n_bits)
{
- size_t n_longs = DIV_ROUND_UP(n_bits, BITMAP_ULONG_BITS);
- return xcalloc(sizeof(unsigned long int), n_longs);
+ return xzalloc(bitmap_n_bytes(n_bits));
}
static inline void
}
static inline void
@@
-79,5
+90,10
@@
bitmap_set(unsigned long *bitmap, size_t offset, bool value)
void bitmap_set_multiple(unsigned long *, size_t start, size_t count,
bool value);
bool bitmap_equal(const unsigned long *, const unsigned long *, size_t n);
void bitmap_set_multiple(unsigned long *, size_t start, size_t count,
bool value);
bool bitmap_equal(const unsigned long *, const unsigned long *, size_t n);
+size_t bitmap_scan(const unsigned long int *, size_t start, size_t end);
+
+#define BITMAP_FOR_EACH_1(IDX, SIZE, BITMAP) \
+ for ((IDX) = bitmap_scan(BITMAP, 0, SIZE); (IDX) < (SIZE); \
+ (IDX) = bitmap_scan(BITMAP, (IDX) + 1, SIZE))
#endif /* bitmap.h */
#endif /* bitmap.h */