X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fbitmap.h;h=5b50c9cc4987aa3e840d62550e303888ce7770ba;hb=847c7448532ddf90f28ace17233f4993e403f6f2;hp=204281030e2b8e7a04a275084d047692789188fc;hpb=3f355f47f8e7343e909ccfa854454d667baf3c38;p=openvswitch

diff --git a/lib/bitmap.h b/lib/bitmap.h
index 20428103..5b50c9cc 100644
--- a/lib/bitmap.h
+++ b/lib/bitmap.h
@@ -79,5 +79,10 @@ 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);
+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 */