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authorLennart Poettering <lennart@poettering.net>2012-12-25 11:52:14 +0100
committerLennart Poettering <lennart@poettering.net>2012-12-31 21:24:26 +0100
commitf791c684a3d248baa83a3167086826ba6238d7f5 (patch)
treec3c57a1b1f27e2ced8d3f42f1285db079e20e39d
parent31c15e20ceda62997e84c7e048f65a6dabc5d597 (diff)
macro: use C11 static_assert() macro for static assertions
-rw-r--r--src/shared/macro.h21
1 files changed, 14 insertions, 7 deletions
diff --git a/src/shared/macro.h b/src/shared/macro.h
index e930fdab53..700171b832 100644
--- a/src/shared/macro.h
+++ b/src/shared/macro.h
@@ -119,14 +119,21 @@ static inline size_t ALIGN_TO(size_t l, size_t ali) {
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)))