1 files changed, 9 insertions, 1 deletions

diff --git a/common/util.c b/common/util.c
index 644301fe8..9d8fb9321 100644
--- a/common/util.c
+++ b/common/util.c
@@ -22,7 +22,7 @@ uint8_t bitpop(uint8_t bits)
 {
     uint8_t c;
     for (c = 0; bits; c++)
-        bits &= bits -1;
+        bits &= bits - 1;
     return c;
 /*
     const uint8_t bit_count[] = { 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4 };
@@ -30,6 +30,14 @@ uint8_t bitpop(uint8_t bits)
 */
 }
 
+uint8_t bitpop16(uint16_t bits)
+{
+    uint8_t c;
+    for (c = 0; bits; c++)
+        bits &= bits - 1;
+    return c;
+}
+
 // most significant on-bit - return highest location of on-bit
 uint8_t biton(uint8_t bits)
 {