#ifndef FIO_COMPILER_H
#define FIO_COMPILER_H
+/* IWYU pragma: begin_exports */
#if __GNUC__ >= 4
#include "compiler-gcc4.h"
#elif __GNUC__ == 3
#else
#error Compiler too old, need gcc at least gcc 3.x
#endif
+/* IWYU pragma: end_exports */
#ifndef __must_check
#define __must_check
1; \
})
+
+#if defined(CONFIG_STATIC_ASSERT)
+#define compiletime_assert(condition, msg) _Static_assert(condition, msg)
+
+#elif !defined(CONFIG_DISABLE_OPTIMIZATIONS)
+
+#ifndef __compiletime_error
+#define __compiletime_error(message)
+#endif
+
+#ifndef __compiletime_error_fallback
+#define __compiletime_error_fallback(condition) do { } while (0)
+#endif
+
+#define __compiletime_assert(condition, msg, prefix, suffix) \
+ do { \
+ int __cond = !(condition); \
+ extern void prefix ## suffix(void) __compiletime_error(msg); \
+ if (__cond) \
+ prefix ## suffix(); \
+ __compiletime_error_fallback(__cond); \
+ } while (0)
+
+#define _compiletime_assert(condition, msg, prefix, suffix) \
+ __compiletime_assert(condition, msg, prefix, suffix)
+
+#define compiletime_assert(condition, msg) \
+ _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
+
+#else
+
+#define compiletime_assert(condition, msg) do { } while (0)
+
+#endif
+
+#ifdef FIO_INTERNAL
+#define ARRAY_SIZE(x) (sizeof((x)) / (sizeof((x)[0])))
+#define FIELD_SIZE(s, f) (sizeof(((typeof(s))0)->f))
+#endif
+
#endif