/*
* $Log$
+ * Revision 1.16 2004/08/14 19:37:57 rasky
+ * Merge da SC: macros.h, pool.h, BIT_CHANGE, nome dei processi, etc.
+ *
* Revision 1.15 2004/08/13 03:23:26 bernie
* Adjust a few MSVC tweaks from older projects.
*
#define GNUC_PREREQ(maj, min) 0
#endif
+#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
+ #define COMPILER_C99 1
+#else
+ #define COMPILER_C99 0
+#endif
+
#if defined(__IAR_SYSTEMS_ICC) || defined(__IAR_SYSTEMS_ICC__)
#pragma language=extended
#define INTERRUPT(x) interrupt [x]
#endif
-/* 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 */
-#if GNUC_PREREQ(2,0)
- #define ABS(n) ({ \
- __typeof__(n) _n = (n); \
- (_n < 0) ? -_n : _n; \
- })
- #define MIN(a,b) ({ \
- __typeof__(a) _a = (a); \
- __typeof__(b) _b = (b); \
- (void)(&_a == &_b); /* ensure same type */ \
- (_a < _b) ? _a : _b; \
- })
- #define MAX(a,b) ({ \
- __typeof__(a) _a = (a); \
- __typeof__(b) _b = (b); \
- (void)(&_a == &_b); /* ensure same type */ \
- (_a > _b) ? _a : _b; \
- })
-#else /* !GNUC */
- /* Buggy macros for inferior compilers */
- #define ABS(a) (((a) < 0) ? -(a) : (a))
- #define MIN(a,b) (((a) < (b)) ? (a) : (b))
- #define MAX(a,b) (((a) > (b)) ? (a) : (b))
-#endif /* !GNUC */
-
-#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
-#define PP_CAT3(x,y,z) PP_CAT(PP_CAT(x,y),z)
-#define PP_CAT4(x,y,z,w) PP_CAT(PP_CAT3(x,y,z),w)
-#define PP_CAT5(x,y,z,w,j) PP_CAT(PP_CAT4(x,y,z,w),j)
-
-/*! String-ize a token (allowing macros to expand) */
-#define PP_STRINGIZE(x) PP_STRINGIZE__(x)
-#define PP_STRINGIZE__(x) #x
-
-/*! Issue a compilation error if the \a condition is false */
-#define STATIC_ASSERT(condition) \
- extern char PP_CAT(CT_ASSERT___, __LINE__)[(condition) ? 1 : -1]
-
/*
* Standard type definitions
* These should be in <sys/types.h>, but many compilers lack them.