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| author | Heinrich Schuchardt <xypron.glpk@gmx.de> | 2020-08-23 09:54:44 +0200 |
|---|---|---|
| committer | Heinrich Schuchardt <xypron.glpk@gmx.de> | 2020-08-24 16:37:53 +0200 |
| commit | ed0b10722c880d82e5da2a357122f5ae0e53d4db (patch) | |
| tree | 67113b2505692b356ed58c8e507dca4546d86fab | |
| parent | fa63753f86ccf912d2553934ee6aec787030fa8a (diff) | |
include: kernel.h: define SSIZE_MAX
Define SSIZE_MAX, the largest value fitting into a variable of type
ssize_t.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
| -rw-r--r-- | include/linux/kernel.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/kernel.h b/include/linux/kernel.h index b88c210065..3e71d61074 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -19,6 +19,9 @@ #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)) |