diff options
Diffstat (limited to 'include/u8c/SIZE_C.h')
| -rw-r--r-- | include/u8c/SIZE_C.h | 26 |
1 files changed, 6 insertions, 20 deletions
diff --git a/include/u8c/SIZE_C.h b/include/u8c/SIZE_C.h index 1591252..4a8d513 100644 --- a/include/u8c/SIZE_C.h +++ b/include/u8c/SIZE_C.h @@ -15,31 +15,17 @@ */ /* Size constant */ # if !defined(SIZE_C) -# if !defined(__cplusplus) # include <limits.h> -# endif -# if defined(__cplusplus) && __cplusplus > 0x31512l -/* C++23 has a size_t suffix. */ -# define SIZE_C(val) val ## uz +# include <stdint.h> +# if SIZE_MAX == USHRT_MAX +# define SIZE_C(val) ((unsigned short)val) # elif SIZE_MAX == UINT_MAX # define SIZE_C(val) val # elif SIZE_MAX == ULONG_MAX -# define SIZE_C(val) val ## ul +# define SIZE_C(val) val ## lu # elif SIZE_MAX == ULLONG_MAX -# define SIZE_C(val) val ## ull -# elif SIZE_MAX == UINTMAX_MAX -# include <stdint.h> -# define SIZE_C(val) (UINTMAX_C(val)) +# define SIZE_C(val) val ## llu # else -/* Cannot match width; construct new element of type "size_t" */ -# if defined(__cplusplus) -/* C++ has value initialisation. */ -# include <cstddef> -# define SIZE_C(val) (std::size_t{val}) -# else -/* C has compound literals. */ -# include <stddef.h> -# define SIZE_C(val) ((size_t){val}) -# endif +# define SIZE_C(val) ((size_t)UINTMAX_C(val)) # endif # endif |