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Diffstat (limited to 'include/linux/limits.h')
| -rw-r--r-- | include/linux/limits.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/include/linux/limits.h b/include/linux/limits.h new file mode 100644 index 000000000..f6bcc9369 --- /dev/null +++ b/include/linux/limits.h @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_LIMITS_H +#define _LINUX_LIMITS_H + +#include <uapi/linux/limits.h> +#include <linux/types.h> +#include <vdso/limits.h> + +#define SIZE_MAX (~(size_t)0) +#define SSIZE_MAX ((ssize_t)(SIZE_MAX >> 1)) +#define PHYS_ADDR_MAX (~(phys_addr_t)0) + +#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 U32_MIN ((u32)0) +#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)) + +#endif /* _LINUX_LIMITS_H */ |