diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/limits.h | 25 | ||||
| -rw-r--r-- | include/linux/kernel.h | 13 | ||||
| -rw-r--r-- | include/stdlib.h | 1 |
3 files changed, 27 insertions, 12 deletions
diff --git a/include/limits.h b/include/limits.h new file mode 100644 index 00000000000..4700cc7a59f --- /dev/null +++ b/include/limits.h @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ + +#ifndef _LIMITS_H +#define _LIMITS_H + +#define INT_MAX 0x7fffffff +#define UINT_MAX 0xffffffffU +#define CHAR_BIT 8 +#define UINT32_MAX 0xffffffffU +#define UINT64_MAX 0xffffffffffffffffULL + +#ifdef CONFIG_64BIT + #define UINTPTR_MAX UINT64_MAX +#else + #define UINTPTR_MAX UINT32_MAX +#endif + +#ifndef SIZE_MAX +#define SIZE_MAX UINTPTR_MAX +#endif +#ifndef SSIZE_MAX +#define SSIZE_MAX ((ssize_t)(SIZE_MAX >> 1)) +#endif + +#endif /* _LIMITS_H */ diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 939465f372b..9467edd65ab 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -3,25 +3,18 @@ #include <linux/types.h> #include <linux/printk.h> /* for printf/pr_* utilities */ +#include <limits.h> #define USHRT_MAX ((u16)(~0U)) #define SHRT_MAX ((s16)(USHRT_MAX>>1)) #define SHRT_MIN ((s16)(-SHRT_MAX - 1)) -#define INT_MAX ((int)(~0U>>1)) #define INT_MIN (-INT_MAX - 1) -#define UINT_MAX (~0U) #define LONG_MAX ((long)(~0UL>>1)) #define LONG_MIN (-LONG_MAX - 1) #define ULONG_MAX (~0UL) #define LLONG_MAX ((long long)(~0ULL>>1)) #define LLONG_MIN (-LLONG_MAX - 1) #define ULLONG_MAX (~0ULL) -#ifndef SIZE_MAX -#define SIZE_MAX (~(size_t)0) -#endif -#ifndef SSIZE_MAX -#define SSIZE_MAX ((ssize_t)(SIZE_MAX >> 1)) -#endif #define U8_MAX ((u8)~0U) #define S8_MAX ((s8)(U8_MAX>>1)) @@ -36,10 +29,6 @@ #define S64_MAX ((s64)(U64_MAX>>1)) #define S64_MIN ((s64)(-S64_MAX - 1)) -/* Aliases defined by stdint.h */ -#define UINT32_MAX U32_MAX -#define UINT64_MAX U64_MAX - #define INT32_MAX S32_MAX #define STACK_MAGIC 0xdeadbeef diff --git a/include/stdlib.h b/include/stdlib.h index 9c175d4d74c..dedfd52a144 100644 --- a/include/stdlib.h +++ b/include/stdlib.h @@ -7,5 +7,6 @@ #define __STDLIB_H_ #include <malloc.h> +#include <rand.h> #endif /* __STDLIB_H_ */ |