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author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2019-03-20 16:48:33 +0900 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2019-03-21 08:34:04 +0100 |
commit | de51eca0975d28e6f9af37ca5a2b05a7d001f288 (patch) | |
tree | 2a4078572a35c17c0e782532b443078abab31de5 /include/linux/limits.h | |
parent | bb414a64b1181cdccf47090a40a4a7cadaa07bd9 (diff) | |
download | barebox-de51eca0975d28e6f9af37ca5a2b05a7d001f288.tar.gz barebox-de51eca0975d28e6f9af37ca5a2b05a7d001f288.tar.xz |
linux/kernel.h: split *_MAX and *_MIN macros into <linux/limits.h>
Copy include/linux/limits.h from Linux 5.1-rc1
(removing #include <uapi/linux/limits.h>).
While we are here, add SPDX License tag to <linux/kernel.h>.
Based on the following Linux commits:
- 54d50897d544 ("linux/kernel.h: split *_MAX and *_MIN macros
into <linux/limits.h>")
- 2dc0e68d5ada ("linux/kernel.h: use 'short' to define USHRT_MAX,
SHRT_MAX, SHRT_MIN")
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'include/linux/limits.h')
-rw-r--r-- | include/linux/limits.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/include/linux/limits.h b/include/linux/limits.h new file mode 100644 index 0000000000..bda9c94bb5 --- /dev/null +++ b/include/linux/limits.h @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_LIMITS_H +#define _LINUX_LIMITS_H + +#include <linux/types.h> + +#define USHRT_MAX ((unsigned short)~0U) +#define SHRT_MAX ((short)(USHRT_MAX >> 1)) +#define SHRT_MIN ((short)(-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) +#define SIZE_MAX (~(size_t)0) +#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 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 */ |