From 1ad732c699f49f1b8314c857c77dc4ac8ae274a7 Mon Sep 17 00:00:00 2001
From: Holger Freyther <zecke@selfish.org>
Date: Sun, 28 Dec 2008 16:32:41 +0000
Subject: [debug.h] Introduce a static assert using the array with negative
 size trick

It is inspired by the COMPILE_ASSERT from WebKit and is using the well
known trick to get compile time assertions.
---
 include/openbsc/debug.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'include/openbsc/debug.h')

diff --git a/include/openbsc/debug.h b/include/openbsc/debug.h
index 55a06d110..06c9edd98 100644
--- a/include/openbsc/debug.h
+++ b/include/openbsc/debug.h
@@ -19,6 +19,8 @@
 #define DEBUGP(xss, fmt, args...) 
 #endif
 
+#define static_assert(exp, name) typedef int dummy##name [(exp) ? 1 : -1];
+
 void debugp(unsigned int subsys, char *file, int line, const char *format, ...);
 void debug_parse_category_mask(const char* mask);
 void debug_use_color(int use_color);
-- 
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