From 9dc7de25d9b259cc012677e78ae58285221ee665 Mon Sep 17 00:00:00 2001
From: "Alfred E. Heggestad" <aeh@db.org>
Date: Sat, 26 Sep 2015 16:07:38 +0200
Subject: magic: use __func__ for C99

---
 src/magic.h | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/magic.h b/src/magic.h
index 15eacee..523d38a 100644
--- a/src/magic.h
+++ b/src/magic.h
@@ -11,13 +11,24 @@
 #error "macro MAGIC must be defined"
 #endif
 
+
+/*
+ * Any C compiler conforming to C99 or later MUST support __func__
+ */
+#if __STDC_VERSION__ >= 199901L
+#define __MAGIC_FUNC__ (const char *)__func__
+#else
+#define __MAGIC_FUNC__ __FUNCTION__
+#endif
+
+
 /** Check magic number */
 #define MAGIC_DECL uint32_t magic;
 #define MAGIC_INIT(s) (s)->magic = MAGIC
 #define MAGIC_CHECK(s) \
 	if (MAGIC != s->magic) {					\
 		warning("%s: wrong magic struct=%p (magic=0x%08x)\n",	\
-			__FUNCTION__, s, s->magic);			\
+			__MAGIC_FUNC__, s, s->magic);			\
 		BREAKPOINT;						\
 	}
 #else
-- 
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