From 2f80e790c6310ad24a4cb3d4a72c31314364fef7 Mon Sep 17 00:00:00 2001
From: tmk <nobody@nowhere>
Date: Wed, 27 Oct 2010 20:51:45 +0900
Subject: new build method for macway

---
 util.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 util.c

(limited to 'util.c')

diff --git a/util.c b/util.c
new file mode 100644
index 000000000..b02d077cc
--- /dev/null
+++ b/util.c
@@ -0,0 +1,18 @@
+#include "util.h"
+
+int bitpop(uint8_t bits)
+{
+    int c;
+    for (c = 0; bits; c++)
+        bits &= bits -1;
+    return c;
+}
+
+int biton(uint8_t bits)
+{
+    int n = 0;
+    if (bits >> 4) { bits >>= 4; n += 4;}
+    if (bits >> 2) { bits >>= 2; n += 2;}
+    if (bits >> 1) { bits >>= 1; n += 1;}
+    return n;
+}
-- 
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