--- busybox-1.14.0/include/platform.h Tue Apr 14 01:43:05 2009 +++ busybox-1.14.0-unaligned/include/platform.h Sat Apr 18 00:14:34 2009 @@ -173,7 +173,10 @@ /* performs reasonably well (gcc usually inlines memcpy here) */ #define move_from_unaligned16(v, u16p) (memcpy(&(v), (u16p), 2)) #define move_from_unaligned32(v, u32p) (memcpy(&(v), (u32p), 4)) -#define move_to_unaligned32(u32p, v) (memcpy((u32p), &(v), 4)) +#define move_to_unaligned32(u32p, v) do { \ + uint32_t __t = (v); \ + memcpy((u32p), &__t, 4); \ +} while (0) #endif /* ---- Networking ------------------------------------------ */