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-rw-r--r--src/vppinfra/bitmap.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/vppinfra/bitmap.h b/src/vppinfra/bitmap.h
index af651ef0b7e..3c95bfb4b43 100644
--- a/src/vppinfra/bitmap.h
+++ b/src/vppinfra/bitmap.h
@@ -206,6 +206,14 @@ clib_bitmap_set (uword * ai, uword i, uword value)
return ai;
}
+always_inline u8
+clib_bitmap_will_expand (uword *ai, uword i)
+{
+ uword i0 = i / BITS (ai[0]);
+ return _vec_resize_will_expand (ai, 1, i0 * sizeof (ai[0]), 0,
+ sizeof (uword));
+}
+
/** Gets the ith bit value from a bitmap
@param ai - pointer to the bitmap
@param i - the bit position to interrogate