Define __ADDRESS_SANITIZER__ if compiling under clang's AddressSanitizer

(cherry picked from commit e1ce3a3d)

Define __ADDRESS_SANITIZER__ if compiling under clang's AddressSanitizer
(cherry picked from commit e1ce3a3d)
afddfcb3 · Ondřej Surý · 1ca8b35c · afddfcb3
Commit afddfcb3 authored Dec 19, 2018 by Ondřej Surý
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lib/isc/include/isc/util.h lib/isc/include/isc/util.h +9 -0

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--- a/lib/isc/include/isc/util.h
+++ b/lib/isc/include/isc/util.h
@@ -208,6 +208,15 @@
 #define ISC_UNREACHABLE()
 #endif

+#if !defined(__has_feature)
+#define __has_feature(x) 0
+#endif
+
+/* GCC defines __ADDRESS_SANITIZER__, so reuse the macro for clang */
+#if __has_feature(address_sanitizer)
+#define __ADDRESS_SANITIZER__
+#endif
+
 #ifdef UNIT_TESTING
 extern void mock_assert(const int result, const char* const expression,
 			const char * const file, const int line);