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54d50897 MY |
1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | #ifndef _LINUX_LIMITS_H | |
3 | #define _LINUX_LIMITS_H | |
4 | ||
5 | #include <uapi/linux/limits.h> | |
6 | #include <linux/types.h> | |
3e0e9f8c | 7 | #include <vdso/limits.h> |
54d50897 | 8 | |
54d50897 | 9 | #define SIZE_MAX (~(size_t)0) |
dabba872 | 10 | #define SSIZE_MAX ((ssize_t)(SIZE_MAX >> 1)) |
54d50897 MY |
11 | #define PHYS_ADDR_MAX (~(phys_addr_t)0) |
12 | ||
3c9d017c AS |
13 | #define RESOURCE_SIZE_MAX ((resource_size_t)~0) |
14 | ||
54d50897 MY |
15 | #define U8_MAX ((u8)~0U) |
16 | #define S8_MAX ((s8)(U8_MAX >> 1)) | |
17 | #define S8_MIN ((s8)(-S8_MAX - 1)) | |
18 | #define U16_MAX ((u16)~0U) | |
19 | #define S16_MAX ((s16)(U16_MAX >> 1)) | |
20 | #define S16_MIN ((s16)(-S16_MAX - 1)) | |
21 | #define U32_MAX ((u32)~0U) | |
3f50f132 | 22 | #define U32_MIN ((u32)0) |
54d50897 MY |
23 | #define S32_MAX ((s32)(U32_MAX >> 1)) |
24 | #define S32_MIN ((s32)(-S32_MAX - 1)) | |
25 | #define U64_MAX ((u64)~0ULL) | |
26 | #define S64_MAX ((s64)(U64_MAX >> 1)) | |
27 | #define S64_MIN ((s64)(-S64_MAX - 1)) | |
28 | ||
29 | #endif /* _LINUX_LIMITS_H */ |