-/* Quasi-ANSI macros */
-#ifndef offsetof
- /*! offsetof(s,m) - Return the byte offset of the member \a m in struct \a s */
- #define offsetof(s,m) (size_t)&(((s *)0)->m)
-#endif
-#ifndef countof
- /*! Count the number of elements in the static array \a a */
- #define countof(a) (sizeof(a) / sizeof(*(a)))
-#endif
-
-
-/* Simple macros */
-#define ABS(a) (((a) < 0) ? -(a) : (a))
-#define MIN(a,b) (((a) < (b)) ? (a) : (b))
-#define MAX(a,b) (((a) > (b)) ? (a) : (b))
-
-#ifndef BV
-/*! Convert a bit value to a binary flag */
-#define BV(x) (1<<(x))
-#endif
-
-/*! Round up \a x to an even multiple of the 2's power \a pad */
-#define ROUND2(x, pad) (((x) + ((pad) - 1)) & ~((pad) - 1))
-
-/*! Calculate a compile-time log2 for a uint8_t */
-#define UINT8_LOG2(x) \
- ((x) < 2 ? 0 : \
- ((x) < 4 ? 1 : \
- ((x) < 8 ? 2 : \
- ((x) < 16 ? 3 : \
- ((x) < 32 ? 4 : \
- ((x) < 64 ? 5 : \
- ((x) < 128 ? 6 : 7)))))))
-
-/*! Calculate a compile-time log2 for a uint16_t */
-#define UINT16_LOG2(x) \
- ((x < 256) ? UINT8_LOG2(x) : UINT8_LOG2((x) >> 8) + 8)
-
-/*! Calculate a compile-time log2 for a uint32_t */
-#define UINT32_LOG2(x) \
- ((x < 65536UL) ? UINT16_LOG2(x) : UINT16_LOG2((x) >> 16) + 16)
-
-/*! Concatenate two different preprocessor tokens (allowing macros to expand) */
-#define PP_CAT(x,y) PP_CAT__(x,y)
-#define PP_CAT__(x,y) x ## y
-
-