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-rw-r--r--ChangeLog5
-rw-r--r--support/check.h25
2 files changed, 21 insertions, 9 deletions
diff --git a/ChangeLog b/ChangeLog
index 1c8119848a..a8fc47ea14 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2018-01-08 Florian Weimer <fweimer@redhat.com>
+
+ * support/check.h (support_static_assert): Define.
+ (TEST_COMPARE): Use it.
+
2018-01-07 Aurelien Jarno <aurelien@aurel32.net>
* sysdeps/unix/sysv/linux/getrlimit64 (getrlimit64)
diff --git a/support/check.h b/support/check.h
index de8fce0dc1..a28e650aa3 100644
--- a/support/check.h
+++ b/support/check.h
@@ -86,6 +86,13 @@ void support_test_verify_exit_impl (int status, const char *file, int line,
does not support reporting failures from a DSO. */
void support_record_failure (void);
+/* Static assertion, under a common name for both C++ and C11. */
+#ifdef __cplusplus
+# define support_static_assert static_assert
+#else
+# define support_static_assert _Static_assert
+#endif
+
/* Compare the two integers LEFT and RIGHT and report failure if they
are different. */
#define TEST_COMPARE(left, right) \
@@ -96,14 +103,14 @@ void support_record_failure (void);
__left_type __left_value = (left); \
__right_type __right_value = (right); \
/* Prevent use with floating-point and boolean types. */ \
- _Static_assert ((__left_type) 1.0 == (__left_type) 1.5, \
- "left value has floating-point type"); \
- _Static_assert ((__right_type) 1.0 == (__right_type) 1.5, \
- "right value has floating-point type"); \
+ support_static_assert ((__left_type) 1.0 == (__left_type) 1.5, \
+ "left value has floating-point type"); \
+ support_static_assert ((__right_type) 1.0 == (__right_type) 1.5, \
+ "right value has floating-point type"); \
/* Prevent accidental use with larger-than-long long types. */ \
- _Static_assert (sizeof (__left_value) <= sizeof (long long), \
- "left value fits into long long"); \
- _Static_assert (sizeof (__right_value) <= sizeof (long long), \
+ support_static_assert (sizeof (__left_value) <= sizeof (long long), \
+ "left value fits into long long"); \
+ support_static_assert (sizeof (__right_value) <= sizeof (long long), \
"right value fits into long long"); \
/* Make sure that integer conversions does not alter the sign. */ \
enum \
@@ -117,8 +124,8 @@ void support_record_failure (void);
&& (sizeof (__right_value) \
< sizeof (__left_value))) \
}; \
- _Static_assert (__left_is_unsigned == __right_is_unsigned \
- || __unsigned_left_converts_to_wider \
+ support_static_assert (__left_is_unsigned == __right_is_unsigned \
+ || __unsigned_left_converts_to_wider \
|| __unsigned_right_converts_to_wider, \
"integer conversions may alter sign of operands"); \
/* Compare the value. */ \