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- #pragma once
- /**
- * static_assert - check integer constant expression at build time
- *
- * static_assert() is a wrapper for the C11 _Static_assert, with a
- * little macro magic to make the message optional (defaulting to the
- * stringification of the tested expression).
- *
- * Contrary to BUILD_BUG_ON(), static_assert() can be used at global
- * scope, but requires the expression to be an integer constant
- * expression (i.e., it is not enough that __builtin_constant_p() is
- * true for expr).
- *
- * Also note that BUILD_BUG_ON() fails the build if the condition is
- * true, while static_assert() fails the build if the expression is
- * false.
- */
- #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr)
- #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
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