diff --exclude CVS --exclude .git -uNr busybox-1.19.2/networking/udhcp/dhcpc.c busybox-1.19.2.modified/networking/udhcp/dhcpc.c
--- busybox-1.19.2/networking/udhcp/dhcpc.c	2011-08-22 04:57:50.000000000 +0200
+++ busybox-1.19.2.modified/networking/udhcp/dhcpc.c	2011-10-11 09:42:04.030686000 +0200
@@ -295,8 +295,8 @@
 	uint8_t overload = 0;
 
 #define BITMAP unsigned
-#define BBITS (sizeof(BITMAP) * 8)
-#define BMASK(i) (1 << (i & (sizeof(BITMAP) * 8 - 1)))
+#define BBITS (sizeof(BITMAP)) /* no of bits of basic variable of array */
+#define BMASK(i) (1 << (i & (sizeof(BITMAP) - 1)))
 #define FOUND_OPTS(i) (found_opts[(unsigned)i / BBITS])
 	BITMAP found_opts[256 / BBITS];