From efb25f363f6955c6c0cefac4ae124f77d4c1f621 Mon Sep 17 00:00:00 2001
From: Bruno Raoult <braoult@gmail.com>
Date: Sat, 29 Jan 2022 15:47:38 +0100
Subject: [PATCH] bugfix bit_for_each64_2

---
 2021/include/bits.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/2021/include/bits.h b/2021/include/bits.h
index fd32c3a..5f2ea68 100644
--- a/2021/include/bits.h
+++ b/2021/include/bits.h
@@ -162,6 +162,6 @@ static inline int popcount64(u64 n)
 /** or would it be more useful (counting bits from zero instead of 1) ?
  */
 #define bit_for_each64_2(pos, tmp, ul)                                  \
-    for (tmp = ul, pos = ctz64(tmp); tmp; tmp ^= 1<<pos, pos = ctz64(tmp))
+    for (tmp = ul, pos = ctz64(tmp); tmp; tmp ^= 1UL<<pos, pos = ctz64(tmp))
 
 #endif  /* BITS_H */