From 37a32e37e76172599461b264c7e545b2c56ebf3c Mon Sep 17 00:00:00 2001
From: "Schanzenbach, Martin" <mschanzenbach@posteo.de>
Date: Wed, 31 Jul 2019 13:47:43 +0200
Subject: [PATCH] fix #5815

---
 src/include/platform.h    | 9 +++++++++
 src/util/common_logging.c | 2 +-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/include/platform.h b/src/include/platform.h
index 23e640ec1..4636ddd73 100644
--- a/src/include/platform.h
+++ b/src/include/platform.h
@@ -295,4 +295,13 @@ atoll (const char *nptr);
 #define GNUNET_THREAD_LOCAL
 #endif
 
+/**
+ * clang et al do not have such an attribute
+ */
+#if __has_attribute(__nonstring__)
+# define __nonstring                    __attribute__((__nonstring__))
+#else
+# define __nonstring
+#endif
+
 #endif
diff --git a/src/util/common_logging.c b/src/util/common_logging.c
index 3193878b8..19bbbdb81 100644
--- a/src/util/common_logging.c
+++ b/src/util/common_logging.c
@@ -108,7 +108,7 @@ static __thread struct GNUNET_AsyncScopeSave current_async_scope;
  * characters, in which case it is NOT 0-terminated!
  */
 static GNUNET_THREAD_LOCAL char last_bulk[BULK_TRACK_SIZE]
-  __attribute__ ((nonstring));
+  __nonstring;
 
 /**
  * Type of the last bulk message.
-- 
2.25.1