osdep/compiler: use C23 attributes if available

Kacper Michajłow committed 1 year ago

Commit 16bbfbf1 parent 7f1e2681 file · +15 −6Browse files

Unified · Split

 #define MP_EXPAND_ARGS(...) __VA_ARGS__
-#if defined(__GNUC__) || defined(__clang__)
+#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 202311L
-#define PRINTF_ATTRIBUTE(a1, a2) __attribute__ ((format(printf, a1, a2)))
+#define MP_NORETURN [[noreturn]]
-#define SCANF_ATTRIBUTE(a1, a2) __attribute__ ((format(scanf, a1, a2)))
+#define MP_FALLTHROUGH [[fallthrough]]
+#define MP_WARN_UNUSED_RESULT [[nodiscard]]
+#define MP_UNUSED [[maybe_unused]]
+#elif defined(__GNUC__) || defined(__clang__)
 #define MP_NORETURN __attribute__((noreturn))
 #define MP_FALLTHROUGH __attribute__((fallthrough))
 #define MP_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
 #define MP_UNUSED __attribute__((unused))
-#define MP_ASSERT_UNREACHABLE() (assert(!"unreachable"), __builtin_unreachable())
 #else
-#define PRINTF_ATTRIBUTE(a1, a2)
-#define SCANF_ATTRIBUTE(a1, a2)
 #define MP_NORETURN
 #define MP_FALLTHROUGH do {} while (0)
 #define MP_WARN_UNUSED_RESULT
 #define MP_UNUSED
+#endif
+#if defined(__GNUC__) || defined(__clang__)
+#define PRINTF_ATTRIBUTE(a1, a2) __attribute__((format(printf, a1, a2)))
+#define SCANF_ATTRIBUTE(a1, a2) __attribute__((format(scanf, a1, a2)))
+#define MP_ASSERT_UNREACHABLE() (assert(!"unreachable"), __builtin_unreachable())
+#else
+#define PRINTF_ATTRIBUTE(a1, a2)
+#define SCANF_ATTRIBUTE(a1, a2)
 #define MP_ASSERT_UNREACHABLE() (assert(!"unreachable"), abort())
 #endif

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