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prevent UB in arena reservation

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daanx 2024-06-01 12:29:48 -07:00
parent 87d088b7e0
commit 616db104a9
2 changed files with 15 additions and 1 deletions
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8
include/mimalloc/internal.h
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@ -329,6 +329,14 @@ static inline uintptr_t _mi_divide_up(uintptr_t size, size_t divider) {
return (divider == 0 ? size : ((size + divider - 1) / divider));
}
// clamp an integer
static inline size_t _mi_clamp(size_t sz, size_t min, size_t max) {
if (sz < min) return min;
else if (sz > max) return max;
else return sz;
}
// Is memory zero initialized?
static inline bool mi_mem_is_zero(const void* p, size_t size) {
for (size_t i = 0; i < size; i++) {