lib/cast.h: const_cast(): Reimplement with _Generic(3)

This makes it much simpler and portable. Signed-off-by: Alejandro Colomar <alx@kernel.org>
2024-05-15 13:19:43 +02:00
parent 4e2453fa9f
commit 69f74dbf8a
1 changed files with 1 additions and 7 deletions
--- a/lib/cast.h
+++ b/lib/cast.h
@@ -8,14 +8,8 @@

 #include <config.h>

-#include "must_be.h"

-
-#define const_cast(T, p)                                                      \
-({                                                                            \
-	static_assert(is_same_type(typeof(&*(p)), const T), "");              \
-	(T) (p);                                                              \
-})
+#define const_cast(T, p)  _Generic(p, const T:  (T) (p))


 #endif  // include guard