#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 _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)))
+
+/* automake test harness */
+#define EXIT_TEST_SKIP 77
#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 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 { \
} 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 PTR_TO_UINT(p) ((unsigned int) ((uintptr_t) (p)))
-#define UINT_TO_PTR(u) ((void*) ((uintptr_t) (u)))
+#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_UINT32(p) ((uint32_t) ((uintptr_t) (p)))
-#define UINT32_TO_PTR(u) ((void*) ((uintptr_t) (u)))
+#define PTR_TO_INT(p) ((int) ((intptr_t) (p)))
+#define INT_TO_PTR(u) ((void *) ((intptr_t) (u)))
+#define PTR_TO_UINT(p) ((unsigned int) ((uintptr_t) (p)))
+#define UINT_TO_PTR(u) ((void *) ((uintptr_t) (u)))
+#define PTR_TO_LONG(p) ((long) ((intptr_t) (p)))
+#define LONG_TO_PTR(u) ((void *) ((intptr_t) (u)))
#define PTR_TO_ULONG(p) ((unsigned long) ((uintptr_t) (p)))
-#define ULONG_TO_PTR(u) ((void*) ((uintptr_t) (u)))
-
-#define PTR_TO_INT(p) ((int) ((intptr_t) (p)))
-#define INT_TO_PTR(u) ((void*) ((intptr_t) (u)))
+#define ULONG_TO_PTR(u) ((void *) ((uintptr_t) (u)))
-#define TO_INT32(p) ((int32_t) ((intptr_t) (p)))
-#define INT32_TO_PTR(u) ((void*) ((intptr_t) (u)))
+#define PTR_TO_INT32(p) ((int32_t) ((intptr_t) (p)))
+#define INT32_TO_PTR(u) ((void *) ((intptr_t) (u)))
+#define PTR_TO_UINT32(p) ((uint32_t) ((uintptr_t) (p)))
+#define UINT32_TO_PTR(u) ((void *) ((uintptr_t) (u)))
-#define PTR_TO_LONG(p) ((long) ((intptr_t) (p)))
-#define LONG_TO_PTR(u) ((void*) ((intptr_t) (u)))
+#define PTR_TO_INT64(p) ((int64_t) ((intptr_t) (p)))
+#define INT64_TO_PTR(u) ((void *) ((intptr_t) (u)))
+#define PTR_TO_UINT64(p) ((uint64_t) ((uintptr_t) (p)))
+#define UINT64_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 _cleanup_strv_free_ __attribute__((cleanup(strv_freep)))
-
#define VA_FORMAT_ADVANCE(format, ap) \
do { \
int _argtypes[128]; \
} \
} while(false)
+ /* 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) \
+ (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 compilers */
+#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
+
#include "log.h"
~ianmdlvl / elogind.git / blobdiff