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-rw-r--r--src/libbasic/macro.h15
1 files changed, 13 insertions, 2 deletions
diff --git a/src/libbasic/macro.h b/src/libbasic/macro.h
index 2695d0edb7..e41aa4260f 100644
--- a/src/libbasic/macro.h
+++ b/src/libbasic/macro.h
@@ -23,10 +23,15 @@
#include <inttypes.h>
#include <stdbool.h>
#include <sys/param.h>
+#include <sys/sysmacros.h>
#include <sys/types.h>
#define _printf_(a,b) __attribute__ ((format (printf, a, b)))
-#define _alloc_(...) __attribute__ ((alloc_size(__VA_ARGS__)))
+#ifdef __clang__
+# define _alloc_(...)
+#else
+# define _alloc_(...) __attribute__ ((alloc_size(__VA_ARGS__)))
+#endif
#define _sentinel_ __attribute__ ((sentinel))
#define _unused_ __attribute__ ((unused))
#define _destructor_ __attribute__ ((destructor))
@@ -224,7 +229,7 @@ static inline unsigned long ALIGN_POWER2(unsigned long u) {
/* We override the glibc assert() here. */
#undef assert
#ifdef NDEBUG
-#define assert(expr) do {} while(false)
+#define assert(expr) do {} while (false)
#else
#define assert(expr) assert_message_se(expr, #expr)
#endif
@@ -361,6 +366,12 @@ static inline unsigned long ALIGN_POWER2(unsigned long u) {
_found; \
})
+#define SWAP_TWO(x, y) do { \
+ typeof(x) _t = (x); \
+ (x) = (y); \
+ (y) = (_t); \
+ } while (false)
+
/* Define C11 thread_local attribute even on older gcc compiler
* version */
#ifndef thread_local