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1 files changed, 23 insertions, 0 deletions

diff --git a/spec/compiler.h b/spec/compiler.h
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+/** @file spec/compiler.h
+ *  @brief Useful macros.  Inspired by Linux compiler*.h and kernel.h.
+ *  @author bblum S2011
+ */
+
+#ifndef _SPEC_COMPILER_H
+#define _SPEC_COMPILER_H
+
+/* Function annotations */
+#ifndef NORETURN
+#define NORETURN __attribute__((__noreturn__))
+#endif
+
+#define MUST_CHECK __attribute__((__warn_unused_result__))
+
+/* Force a compilation error if condition is false */
+#define STATIC_ZERO_ASSERT(condition) switch(0){case 0:case (condition):;}
+#define STATIC_NULL_ASSERT(condition) STATIC_ZERO_ASSERT(condition)
+
+/* Force a compilation error if condition is false */
+#define STATIC_ASSERT(condition) STATIC_ZERO_ASSERT(condition)
+
+#endif /* !_SPEC_COMPILER_H */