From 4abab5ad6c8465a7528ccdd5f49367da05f78bbd Mon Sep 17 00:00:00 2001
From: Vladimir Azarov <avm@intermediate-node.net>
Date: Tue, 1 Oct 2024 15:47:05 +0200
Subject: Initial version

---
 src/misc/ffs.c | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 src/misc/ffs.c

(limited to 'src/misc/ffs.c')

diff --git a/src/misc/ffs.c b/src/misc/ffs.c
new file mode 100644
index 0000000..673ce5a
--- /dev/null
+++ b/src/misc/ffs.c
@@ -0,0 +1,7 @@
+#include <strings.h>
+#include "atomic.h"
+
+int ffs(int i)
+{
+	return i ? a_ctz_l(i)+1 : 0;
+}
-- 
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