From 50ca975402b23e12e9782116176f12051e3693d1 Mon Sep 17 00:00:00 2001
From: Matthias Ringwald <matthias@ringwald.ch>
Date: Tue, 1 Oct 2019 15:02:59 +0200
Subject: [PATCH] btstack_debug: add support for btstack_assert macro

---
 src/btstack_debug.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/src/btstack_debug.h b/src/btstack_debug.h
index f65912a26..22b06a6da 100644
--- a/src/btstack_debug.h
+++ b/src/btstack_debug.h
@@ -54,11 +54,31 @@
 #include <avr/pgmspace.h>
 #endif
 
+#ifdef HAVE_ASSERT
+#include <assert.h>
+#endif
+
 // fallback to __FILE__ for untagged files
 #ifndef BTSTACK_FILE__
 #define BTSTACK_FILE__ __FILE__
 #endif
 
+#ifdef HAVE_ASSERT
+// map to libc assert
+#define btstack_assert(condition)  assert(condition)
+#else /* HAVE_ASSERT */
+#ifdef ENABLE_BTSTACK_ASSERT
+void btstack_assert_failed(const char * file, uint16_t line_nr);
+#ifndef btstack_assert
+// use btstack macro that calls btstack_assert_failed() - provided by port
+#define btstack_assert(condition)         if (condition) {} else { btstack_assert_failed(BTSTACK_FILE__, __LINE__);  }
+#endif
+#else /* btstack_assert */
+// asserts off
+#define btstack_assert(condition)         {}
+#endif
+#endif
+
 // Avoid complaints of unused arguments when log levels are disabled.
 static inline void __log_unused(const char *format, ...) {
 	UNUSED(format);