projects / lttng-modules.git / blame
| Commit | Line | Data |
|---|---|---|
| 236233f7 MD |
1 | /* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only) |
| 2 | * | |
| 3 | * wrapper/limits.h | |
| 4 | * | |
| 5 | * Copyright (C) 2020 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
| 6 | */ | |
| 7 | ||
| 8 | #ifndef _LTTNG_WRAPPER_LIMITS_H | |
| 9 | #define _LTTNG_WRAPPER_LIMITS_H | |
| 10 | ||
| fcbc2cf0 | 11 | #include <linux/kernel.h> |
| 236233f7 MD |
12 | |
| 13 | #ifndef SIZE_MAX | |
| 14 | #define SIZE_MAX (~(size_t)0) | |
| 15 | #endif | |
| 16 | #ifndef PHYS_ADDR_MAX | |
| 17 | #define PHYS_ADDR_MAX (~(phys_addr_t)0) | |
| 18 | #endif | |
| 19 | ||
| 20 | #ifndef U8_MAX | |
| 21 | #define U8_MAX ((u8)~0U) | |
| 22 | #endif | |
| 23 | #ifndef S8_MAX | |
| 24 | #define S8_MAX ((s8)(U8_MAX >> 1)) | |
| 25 | #endif | |
| 26 | #ifndef S8_MIN | |
| 27 | #define S8_MIN ((s8)(-S8_MAX - 1)) | |
| 28 | #endif | |
| 29 | #ifndef U16_MAX | |
| 30 | #define U16_MAX ((u16)~0U) | |
| 31 | #endif | |
| 32 | #ifndef S16_MAX | |
| 33 | #define S16_MAX ((s16)(U16_MAX >> 1)) | |
| 34 | #endif | |
| 35 | #ifndef S16_MIN | |
| 36 | #define S16_MIN ((s16)(-S16_MAX - 1)) | |
| 37 | #endif | |
| 38 | #ifndef U32_MAX | |
| 39 | #define U32_MAX ((u32)~0U) | |
| 40 | #endif | |
| 41 | #ifndef U32_MIN | |
| 42 | #define U32_MIN ((u32)0) | |
| 43 | #endif | |
| 44 | #ifndef S32_MAX | |
| 45 | #define S32_MAX ((s32)(U32_MAX >> 1)) | |
| 46 | #endif | |
| 47 | #ifndef S32_MIN | |
| 48 | #define S32_MIN ((s32)(-S32_MAX - 1)) | |
| 49 | #endif | |
| 50 | #ifndef U64_MAX | |
| 51 | #define U64_MAX ((u64)~0ULL) | |
| 52 | #endif | |
| 53 | #ifndef S64_MAX | |
| 54 | #define S64_MAX ((s64)(U64_MAX >> 1)) | |
| 55 | #endif | |
| 56 | #ifndef S64_MIN | |
| 57 | #define S64_MIN ((s64)(-S64_MAX - 1)) | |
| 58 | #endif | |
| 59 | ||
| 60 | #endif /* _LTTNG_WRAPPER_COMPILER_H */ |