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limits.h: provide all limit macros for standard [u]intNN_t types

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Currently, we only have UINT32_MAX and UINT64_MAX in limits.h, and
then stdint.h and kernel.h somewhat randomly define UINT8_MAX and
INT32_MAX, respectively.

Provide a full set of definitions in terms of the min/max macros for
the types that [u]intNN_t are defined in terms of, namely the {s,u}NN
ones.

Try to avoid breaking whatever depended on getting UINT8_MAX from our
compat stdint.h by replacing it with an include of limits.h.

Signed-off-by: Rasmus Villemoes <ravi@prevas.dk>
This commit is contained in:
Rasmus Villemoes
2025-07-07 22:36:55 +02:00
committed by Tom Rini
parent 0604595c16
commit dd260d95fd
3 changed files with 14 additions and 5 deletions
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2
include/linux/kernel.h
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@@ -5,8 +5,6 @@
#include <linux/printk.h> /* for printf/pr_* utilities */
#include <limits.h>
#define INT32_MAX S32_MAX
#define STACK_MAGIC 0xdeadbeef
#define REPEAT_BYTE(x) ((~0ul / 0xff) * (x))