1 files changed, 8 insertions, 0 deletions
diff --git a/ewah/bitmap.c b/ewah/bitmap.c
index b5fed9621f..d8cec585af 100644
--- a/ewah/bitmap.c
+++ b/ewah/bitmap.c
@@ -50,6 +50,14 @@ void bitmap_set(struct bitmap *self, size_t pos)
 	self->words[block] |= EWAH_MASK(pos);
 }
 
+void bitmap_unset(struct bitmap *self, size_t pos)
+{
+	size_t block = EWAH_BLOCK(pos);
+
+	if (block < self->word_alloc)
+		self->words[block] &= ~EWAH_MASK(pos);
+}
+
 int bitmap_get(struct bitmap *self, size_t pos)
 {
 	size_t block = EWAH_BLOCK(pos);