From: W. Felix Handte <w@felixhandte.com>
Date: Thu, 12 Sep 2019 22:32:22 +0000 (-0400)
Subject: Detect Whether We're Being Compiled with ASAN
X-Git-Tag: v1.4.4~1^2~24^2~14
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=edb6d884a593bb80c66825c8a476e47ded2d617a;p=thirdparty%2Fzstd.git

Detect Whether We're Being Compiled with ASAN
---

diff --git a/lib/common/mem.h b/lib/common/mem.h
index acc7231e9..983b55edc 100644
--- a/lib/common/mem.h
+++ b/lib/common/mem.h
@@ -74,6 +74,19 @@ void __msan_poison(const volatile void *a, size_t size);
 intptr_t __msan_test_shadow(const volatile void *x, size_t size);
 #endif
 
+/* detects whether we are being compiled under asan */
+#if defined (__has_feature)
+#  if __has_feature(address_sanitizer)
+#    define ADDRESS_SANITIZER 1
+#  endif
+#elif defined(__SANITIZE_ADDRESS__)
+#  define ADDRESS_SANITIZER 1
+#endif
+
+#if defined (ADDRESS_SANITIZER)
+#  include <sanitizer/asan_interface.h>
+#endif
+
 
 /*-**************************************************************
 *  Basic Types