#include <sys/uio.h>
#include <inttypes.h>
-#define _printf_attr_(a,b) __attribute__ ((format (printf, a, b)))
+#define _printf_(a,b) __attribute__ ((format (printf, a, b)))
#define _alloc_(...) __attribute__ ((alloc_size(__VA_ARGS__)))
#define _sentinel_ __attribute__ ((sentinel))
-#define _noreturn_ __attribute__((noreturn))
#define _unused_ __attribute__ ((unused))
#define _destructor_ __attribute__ ((destructor))
#define _pure_ __attribute__ ((pure))
#define _public_ __attribute__ ((visibility("default")))
#define _hidden_ __attribute__ ((visibility("hidden")))
#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)))
#define XSTRINGIFY(x) #x
#define STRINGIFY(x) XSTRINGIFY(x)
+#define XCONCATENATE(x, y) x ## y
+#define CONCATENATE(x, y) XCONCATENATE(x, y)
+
+#define UNIQUE(prefix) CONCATENATE(prefix, __LINE__)
+
/* Rounds up */
#define ALIGN4(l) (((l) + 3) & ~3)
} while (false)
#if defined(static_assert)
-#define assert_cc(expr) \
- do { \
- static_assert(expr, #expr); \
- } while (false)
+#define assert_cc(expr) static_assert(expr, #expr)
#else
-#define assert_cc(expr) \
- do { \
- switch (0) { \
- case 0: \
- case !!(expr): \
- ; \
- } \
- } while (false)
+#define assert_cc(expr) struct UNIQUE(_assert_struct_) { char x[(expr) ? 0 : -1]; };
#endif
-#define assert_return(expr, r) \
- do { \
- if (!(expr)) \
- return (r); \
+#define assert_return(expr, r) \
+ do { \
+ if (_unlikely_(!(expr))) { \
+ log_assert_failed_return(#expr, __FILE__, __LINE__, __PRETTY_FUNCTION__); \
+ return (r); \
+ } \
} while (false)
#define PTR_TO_INT(p) ((int) ((intptr_t) (p)))
} \
} while(false)
- /* Because statfs.t_type can be int on some architecures, we have to cast
+ /* Because statfs.t_type can be int on some architectures, we have to cast
* the const magic to the type, otherwise the compiler warns about
* signed/unsigned comparison, because the magic can be 32 bit unsigned.
*/
#define F_TYPE_EQUAL(a, b) (a == (typeof(a)) b)
-
/* 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 : \
+ (2+(sizeof(type) <= 1 ? 3 : \
sizeof(type) <= 2 ? 5 : \
sizeof(type) <= 4 ? 10 : \
sizeof(type) <= 8 ? 20 : sizeof(int[-2*(sizeof(type) > 8)])))
#define SET_FLAG(v, flag, b) \
(v) = (b) ? ((v) | (flag)) : ((v) & ~(flag))
+#define IN_SET(x, ...) \
+ ({ \
+ const typeof(x) _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) { \
+ _found = true; \
+ break; \
+ } \
+ _found; \
+ })
+
+/* Define C11 thread_local attribute even on older gcc compiler
+ * version */
+#ifndef thread_local
+/*
+ * Don't break on glibc < 2.16 that doesn't define __STDC_NO_THREADS__
+ * see http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53769
+ */
+#if __STDC_VERSION__ >= 201112L && !(defined(__STDC_NO_THREADS__) || (defined(__GNU_LIBRARY__) && __GLIBC__ == 2 && __GLIBC_MINOR__ < 16))
+#define thread_local _Thread_local
+#else
+#define thread_local __thread
+#endif
+#endif
+
+/* Define C11 noreturn without <stdnoreturn.h> and even on older gcc
+ * compiler versions */
+#ifndef noreturn
+#if __STDC_VERSION__ >= 201112L
+#define noreturn _Noreturn
+#else
+#define noreturn __attribute__((noreturn))
+#endif
+#endif
+
#include "log.h"