Since we define the {s,u}{8,16,32,64} types the same way on all
architectures, i.e. everybody uses asm-generic/int-ll64.h, we can just
define the associated limit macros in terms of those for the
corresponding types. This eliminates another set of limit macros that
are not usable in #if conditionals.These type names and macros are not C or POSIX, so there's no language violation, but certainly a violation of developers' reasonable expectations. Signed-off-by: Rasmus Villemoes <r...@prevas.dk> --- include/limits.h | 13 +++++++++++++ include/linux/kernel.h | 13 ------------- 2 files changed, 13 insertions(+), 13 deletions(-) diff --git a/include/limits.h b/include/limits.h index 4dcfbe9b156..c2e3d0302b7 100644 --- a/include/limits.h +++ b/include/limits.h @@ -31,6 +31,19 @@ #define LLONG_MIN (-LLONG_MAX - 1LL) #define ULLONG_MAX (LLONG_MAX * 2ULL + 1ULL) +#define U8_MAX UCHAR_MAX +#define S8_MAX SCHAR_MAX +#define S8_MIN SCHAR_MIN +#define U16_MAX USHRT_MAX +#define S16_MAX SHRT_MAX +#define S16_MIN SHRT_MIN +#define U32_MAX UINT_MAX +#define S32_MAX INT_MAX +#define S32_MIN INT_MIN +#define U64_MAX ULLONG_MAX +#define S64_MAX LLONG_MAX +#define S64_MIN LLONG_MIN + #define CHAR_BIT 8 #define UINT32_MAX 0xffffffffU #define UINT64_MAX 0xffffffffffffffffULL diff --git a/include/linux/kernel.h b/include/linux/kernel.h index f26274fbe1d..d3d979834ae 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -5,19 +5,6 @@ #include <linux/printk.h> /* for printf/pr_* utilities */ #include <limits.h> -#define U8_MAX ((u8)~0U) -#define S8_MAX ((s8)(U8_MAX>>1)) -#define S8_MIN ((s8)(-S8_MAX - 1)) -#define U16_MAX ((u16)~0U) -#define S16_MAX ((s16)(U16_MAX>>1)) -#define S16_MIN ((s16)(-S16_MAX - 1)) -#define U32_MAX ((u32)~0U) -#define S32_MAX ((s32)(U32_MAX>>1)) -#define S32_MIN ((s32)(-S32_MAX - 1)) -#define U64_MAX ((u64)~0ULL) -#define S64_MAX ((s64)(U64_MAX>>1)) -#define S64_MIN ((s64)(-S64_MAX - 1)) - #define INT32_MAX S32_MAX #define STACK_MAGIC 0xdeadbeef -- 2.50.0
