bitmap: Implement bitmap_ffs()

[ccan] / ccan / bitmap / bitmap.h

diff --git a/ccan/bitmap/bitmap.h b/ccan/bitmap/bitmap.h
index 6c8d7e4d4593e0f1745704c92761e69121fd25dd..6cbf9a22140655a3f55277edc44a5ff23c06f9e0 100644 (file)
--- a/ccan/bitmap/bitmap.h
+++ b/ccan/bitmap/bitmap.h
@@ -187,6 +187,9 @@ static inline bool bitmap_empty(const bitmap *bitmap, unsigned long nbits)
        return true;
 }
 
+unsigned long bitmap_ffs(const bitmap *bitmap,
+                        unsigned long n, unsigned long m);
+
 /*
  * Allocation functions
  */