-/* The macros __BYTE_ORDER__ and __ORDER_*_ENDIAN__ are GNU C
- * extensions. They are also supported by clang as of v3.2 */
-
-#ifdef __BYTE_ORDER__
-# if (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
-# define bsw_32(p,n) \
- { int _i = (n); while(_i--) ((uint32_t*)p)[_i] = bswap_32(((uint32_t*)p)[_i]); }
-# elif (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
-# define bsw_32(p,n)
-# else
-# error "unknown byte order"
-# endif
+#if (UTIL_BYTE_ORDER == UTIL_ORDER_LITTLE_ENDIAN)
+# define bsw_32(p,n) \
+ { int _i = (n); while(_i--) ((uint32_t*)p)[_i] = bswap_32(((uint32_t*)p)[_i]); }
+#elif (UTIL_BYTE_ORDER == UTIL_ORDER_BIG_ENDIAN)
+# define bsw_32(p,n)