1 files changed, 3 insertions, 1 deletions
diff --git a/util.h b/util.h
index e314c71..3073f58 100644
--- a/util.h
+++ b/util.h
@@ -37,7 +37,8 @@ void trace_init(int enable);
 #define ROUND_DOWN(x, y)	((x) & ~((y) - 1))
 #define ROUND_UP(x, y)		(((x) + (y) - 1) & ~((y) - 1))
 
-#define BITMAP_BIT(n)		(1UL << (n) % (sizeof(long) * 8))
+#define BIT(n)			(1UL << (n))
+#define BITMAP_BIT(n)		(BIT((n) % (sizeof(long) * 8)))
 #define BITMAP_WORD(n)		(n / (sizeof(long) * 8))
 
 #define SWAP(a, b)							\
@@ -208,3 +209,4 @@ void drop_caps(void);
 int ns_enter(struct ctx *c);
 void write_pidfile(int fd, pid_t pid);
 int __daemon(int pidfile_fd, int devnull_fd);
+int fls(unsigned long x);