#define _weakref_(x) __attribute__((weakref(#x)))
#define _introspect_(x) __attribute__((section("introspect." x)))
#define _alignas_(x) __attribute__((aligned(__alignof(x))))
+#define _cleanup_(x) __attribute__((cleanup(x)))
+
+/* automake test harness */
+#define EXIT_TEST_SKIP 77
#define XSTRINGIFY(x) #x
#define STRINGIFY(x) XSTRINGIFY(x)
/* Rounds up */
-#define ALIGN(l) ALIGN_TO((l), sizeof(void*))
+
+#define ALIGN4(l) (((l) + 3) & ~3)
+#define ALIGN8(l) (((l) + 7) & ~7)
+
+#if __SIZEOF_POINTER__ == 8
+#define ALIGN(l) ALIGN8(l)
+#elif __SIZEOF_POINTER__ == 4
+#define ALIGN(l) ALIGN4(l)
+#else
+#error "Wut? Pointers are neither 4 nor 8 bytes long?"
+#endif
+
+#define ALIGN_PTR(p) ((void*) ALIGN((unsigned long) p))
+#define ALIGN4_PTR(p) ((void*) ALIGN4((unsigned long) p))
+#define ALIGN8_PTR(p) ((void*) ALIGN8((unsigned long) p))
+
static inline size_t ALIGN_TO(size_t l, size_t ali) {
return ((l + ali - 1) & ~(ali - 1));
}
+#define ALIGN_TO_PTR(p, ali) ((void*) ALIGN_TO((unsigned long) p))
+
#define ELEMENTSOF(x) (sizeof(x)/sizeof((x)[0]))
/*
* @member: the name of the member within the struct.
*
*/
-#define container_of(ptr, type, member) ({ \
- const typeof( ((type *)0)->member ) *__mptr = (ptr); \
- (type *)( (char *)__mptr - offsetof(type,member) );})
+#define container_of(ptr, type, member) \
+ __extension__ ({ \
+ const typeof( ((type *)0)->member ) *__mptr = (ptr); \
+ (type *)( (char *)__mptr - offsetof(type,member) ); \
+ })
-#ifndef MAX
-#define MAX(a,b) \
- __extension__ ({ \
- typeof(a) _a = (a); \
- typeof(b) _b = (b); \
- _a > _b ? _a : _b; \
+#undef MAX
+#define MAX(a,b) \
+ __extension__ ({ \
+ typeof(a) _a = (a); \
+ typeof(b) _b = (b); \
+ _a > _b ? _a : _b; \
})
-#endif
-#define MAX3(a,b,c) \
- MAX(MAX(a,b),c)
+#define MAX3(x,y,z) \
+ __extension__ ({ \
+ typeof(x) _c = MAX(x,y); \
+ MAX(_c, z); \
+ })
-#ifndef MIN
+#undef MIN
#define MIN(a,b) \
__extension__ ({ \
typeof(a) _a = (a); \
typeof(b) _b = (b); \
_a < _b ? _a : _b; \
})
-#endif
-
-#define MIN3(a,b,c) \
- MIN(MIN(a,b),c)
+#ifndef CLAMP
#define CLAMP(x, low, high) \
__extension__ ({ \
typeof(x) _x = (x); \
typeof(high) _high = (high); \
((_x > _high) ? _high : ((_x < _low) ? _low : _x)); \
})
+#endif
#define assert_se(expr) \
do { \
log_assert_failed_unreachable(t, __FILE__, __LINE__, __PRETTY_FUNCTION__); \
} while (false)
-#define assert_cc(expr) \
- do { \
- switch (0) { \
- case 0: \
- case !!(expr): \
- ; \
- } \
+#if defined(static_assert)
+#define assert_cc(expr) \
+ do { \
+ static_assert(expr, #expr); \
} while (false)
+#else
+#define assert_cc(expr) \
+ do { \
+ switch (0) { \
+ case 0: \
+ case !!(expr): \
+ ; \
+ } \
+ } while (false)
+#endif
#define PTR_TO_UINT(p) ((unsigned int) ((uintptr_t) (p)))
#define UINT_TO_PTR(u) ((void*) ((uintptr_t) (u)))
#define memzero(x,l) (memset((x), 0, (l)))
#define zero(x) (memzero(&(x), sizeof(x)))
+#define CHAR_TO_STR(x) ((char[2]) { x, 0 })
+
#define char_array_0(x) x[sizeof(x)-1] = 0;
#define IOVEC_SET_STRING(i, s) \
return k;
}
-#define _cleanup_free_ __attribute__((cleanup(freep)))
-#define _cleanup_fclose_ __attribute__((cleanup(fclosep)))
-#define _cleanup_close_ __attribute__((cleanup(closep)))
-#define _cleanup_closedir_ __attribute__((cleanup(closedirp)))
-#define _cleanup_umask_ __attribute__((cleanup(umaskp)))
-
-#define VA_FORMAT_ADVANCE(format, ap) do { \
- int _argtypes[64]; \
+#define VA_FORMAT_ADVANCE(format, ap) \
+do { \
+ int _argtypes[128]; \
size_t _i, _k; \
_k = parse_printf_format((format), ELEMENTSOF(_argtypes), _argtypes); \
+ assert(_k < ELEMENTSOF(_argtypes)); \
for (_i = 0; _i < _k; _i++) { \
if (_argtypes[_i] & PA_FLAG_PTR) { \
(void) va_arg(ap, void*); \
} \
} while(false)
+/* Returns the number of chars needed to format variables of the
+ * specified type as a decimal string. Adds in extra space for a
+ * negative '-' prefix. */
+
+#define DECIMAL_STR_MAX(type) \
+ (1+(sizeof(type) <= 1 ? 3 : \
+ sizeof(type) <= 2 ? 5 : \
+ sizeof(type) <= 4 ? 10 : \
+ sizeof(type) <= 8 ? 20 : sizeof(int[-2*(sizeof(type) > 8)])))
+
#include "log.h"