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-rw-r--r--include/lib/cassert.h33
1 files changed, 6 insertions, 27 deletions
diff --git a/include/lib/cassert.h b/include/lib/cassert.h
index 0e5529dd..40cb483a 100644
--- a/include/lib/cassert.h
+++ b/include/lib/cassert.h
@@ -1,31 +1,7 @@
/*
* Copyright (c) 2014, ARM Limited and Contributors. All rights reserved.
*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- *
- * Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- *
- * Neither the name of ARM nor the names of its contributors may be used
- * to endorse or promote products derived from this software without specific
- * prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
+ * SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef __CASSERT_H__
@@ -34,9 +10,12 @@
/*******************************************************************************
* Macro to flag a compile time assertion. It uses the preprocessor to generate
* an invalid C construct if 'cond' evaluates to false.
- * The following compilation error is triggered if the assertion fails:
+ * The following compilation error is triggered if the assertion fails:
* "error: size of array 'msg' is negative"
+ * The 'unused' attribute ensures that the unused typedef does not emit a
+ * compiler warning.
******************************************************************************/
-#define CASSERT(cond, msg) typedef char msg[(cond) ? 1 : -1]
+#define CASSERT(cond, msg) \
+ typedef char msg[(cond) ? 1 : -1] __unused
#endif /* __CASSERT_H__ */