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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:13:47 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:13:47 +0000
commit102b0d2daa97dae68d3eed54d8fe37a9cc38a892 (patch)
treebcf648efac40ca6139842707f0eba5a4496a6dd2 /include/lib/cassert.h
parentInitial commit. (diff)
downloadarm-trusted-firmware-upstream/2.8.0+dfsg.tar.xz
arm-trusted-firmware-upstream/2.8.0+dfsg.zip
Adding upstream version 2.8.0+dfsg.upstream/2.8.0+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/lib/cassert.h')
-rw-r--r--include/lib/cassert.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/include/lib/cassert.h b/include/lib/cassert.h
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+/*
+ * Copyright (c) 2014-2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CASSERT_H
+#define CASSERT_H
+
+#include <cdefs.h>
+
+/*******************************************************************************
+ * 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:
+ * "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] __unused
+
+#endif /* CASSERT_H */