rework attributes.h as atrb.h

src/util/atrb.h

@@ -0,0 +1,59 @@
+#ifndef ATRB_H
+#define ATRB_H 1
+
+#if defined(__GNUC__)
+#if __has_attribute(__pure__)
+#define PURE __attribute__((__pure__))
+#else
+#define PURE
+#endif
+
+#if __has_attribute(__const__)
+#define CONST __attribute__((__const__))
+#else
+#define CONST
+#endif
+
+#if __has_attribute(__noreturn__)
+#define NORET __attribute__((__noreturn__))
+#else
+#define NORET
+#endif
+
+#if __has_attribute(__malloc__)
+#define MALLOC __attribute__((__malloc__))
+#else
+#define MALLOC
+#endif
+
+#if __has_attribute(__used__)
+#define USED __attribute__((__used__))
+#else
+#define USED
+#endif
+
+#if __has_attribute(__unused__)
+#define UNUSED __attribute__((__unused__))
+#else
+#define UNUSED
+#endif
+
+#if __has_attribute(__deprecated__)
+#define DEPRECATED __attribute__((__deprecated__))
+#else
+#define DEPRECATED
+#endif
+
+#if __has_attribute(__format__)
+#define FORMAT(args) __attribute__((format args))
+#else
+#define FORMAT(args)
+#endif
+
+#if __has_attribute(__nonnull__)
+#define NONNULL(args) __attribute__((__nonnull__ args))
+#else
+#define NONNULL(args)
+#endif
+#endif
+#endif

src/util/attributes.h

@@ -1,35 +0,0 @@
-#pragma once
-
-
-// default attribute definitions (empty)
-#define atrb_deprecated
-#define atrb_unused
-#define atrb_pure
-#define atrb_const
-
-// define the attributes where possible
-#if defined(__GNUC__) || defined(__clang__)
-
-#if __has_attribute(deprecated)
-#undef atrb_deprecated
-#define atrb_deprecated __attribute__((deprecated))
-#endif
-
-#if __has_attribute(unused)
-#undef atrb_unused
-#define atrb_unused __attribute__((unused))
-#endif
-
-#if __has_attribute(pure)
-#undef atrb_pure
-#define atrb_pure __attribute__((pure))
-#endif
-
-#if __has_attribute(const)
-#undef atrb_const
-#define atrb_const __attribute__((const))
-#endif
-#elif defined(_MSC_VER)
-#undef atrb_depatrb_deprecated
-#define atrb_deprecated __declspec(deprecated)
-#endif