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component/common/mbed/api/mbed_assert.h

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+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_ASSERT_H
+#define MBED_ASSERT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Internal mbed assert function which is invoked when MBED_ASSERT macro failes.
+ *  This function is active only if NDEBUG is not defined prior to including this
+ *  assert header file.
+ *  In case of MBED_ASSERT failing condition, the assertation message is printed
+ *  to stderr and mbed_die() is called.
+ *  @param expr Expresion to be checked.
+ *  @param file File where assertation failed.
+ *  @param line Failing assertation line number.
+ */
+void mbed_assert_internal(const char *expr, const char *file, int line);
+
+#ifdef __cplusplus
+}
+#endif
+
+#ifdef NDEBUG
+#define MBED_ASSERT(expr) ((void)0)
+
+#else
+#define MBED_ASSERT(expr)                                \
+do {                                                     \
+    if (!(expr)) {                                       \
+        mbed_assert_internal(#expr, __FILE__, __LINE__); \
+    }                                                    \
+} while (0)
+#endif
+
+#endif