_Pragma("GCC diagnostic push"); \
_Pragma("GCC diagnostic ignored \"-Wmissing-prototypes\"")
+#define DISABLE_WARNING_NONNULL \
+ _Pragma("GCC diagnostic push"); \
+ _Pragma("GCC diagnostic ignored \"-Wnonnull\"")
+
+#define DISABLE_WARNING_SHADOW \
+ _Pragma("GCC diagnostic push"); \
+ _Pragma("GCC diagnostic ignored \"-Wshadow\"")
+
#define REENABLE_WARNING \
_Pragma("GCC diagnostic pop")
return ((l + ali - 1) & ~(ali - 1));
}
-#define ALIGN_TO_PTR(p, ali) ((void*) ALIGN_TO((unsigned long) p))
+#define ALIGN_TO_PTR(p, ali) ((void*) ALIGN_TO((unsigned long) p, ali))
+
+/* align to next higher power-of-2 (except for: 0 => 0, overflow => 0) */
+static inline unsigned long ALIGN_POWER2(unsigned long u) {
+ /* clz(0) is undefined */
+ if (u == 1)
+ return 1;
+
+ /* left-shift overflow is undefined */
+ if (__builtin_clzl(u - 1UL) < 1)
+ return 0;
+
+ return 1UL << (sizeof(u) * 8 - __builtin_clzl(u - 1UL));
+}
#define ELEMENTSOF(x) (sizeof(x)/sizeof((x)[0]))
_a < _b ? _a : _b; \
})
+#define MIN3(x,y,z) \
+ __extension__ ({ \
+ typeof(x) _c = MIN(x,y); \
+ MIN(_c, z); \
+ })
+
#define LESS_BY(A,B) \
__extension__ ({ \
typeof(A) _A = (A); \
#define PTR_TO_UINT64(p) ((uint64_t) ((uintptr_t) (p)))
#define UINT64_TO_PTR(u) ((void *) ((uintptr_t) (u)))
+#define PTR_TO_SIZE(p) ((size_t) ((uintptr_t) (p)))
+#define SIZE_TO_PTR(u) ((void *) ((uintptr_t) (u)))
+
#define memzero(x,l) (memset((x), 0, (l)))
#define zero(x) (memzero(&(x), sizeof(x)))
#define SET_FLAG(v, flag, b) \
(v) = (b) ? ((v) | (flag)) : ((v) & ~(flag))
-#define IN_SET(x, ...) \
+#define IN_SET(x, y, ...) \
({ \
- const typeof(x) _x = (x); \
+ const typeof(y) _y = (y); \
+ const typeof(_y) _x = (x); \
unsigned _i; \
bool _found = false; \
- for (_i = 0; _i < sizeof((const typeof(_x)[]) { __VA_ARGS__ })/sizeof(const typeof(_x)); _i++) \
- if (((const typeof(_x)[]) { __VA_ARGS__ })[_i] == _x) { \
+ for (_i = 0; _i < 1 + sizeof((const typeof(_x)[]) { __VA_ARGS__ })/sizeof(const typeof(_x)); _i++) \
+ if (((const typeof(_x)[]) { _y, __VA_ARGS__ })[_i] == _x) { \
_found = true; \
break; \
} \