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update alignment check

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daanx 2023-04-16 17:05:56 -07:00
parent a8b9f2878a
commit 4436fadd09
1 changed files with 1 additions and 0 deletions
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src/alloc-posix.c
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@ -58,6 +58,7 @@ int mi_posix_memalign(void** p, size_t alignment, size_t size) mi_attr_noexcept
if (p == NULL) return EINVAL;
if ((alignment % sizeof(void*)) != 0) return EINVAL; // natural alignment
// it is also required that alignment is a power of 2 and > 0; this is checked in `mi_malloc_aligned`
if (alignment==0 || !_mi_is_power_of_two(alignment)) return EINVAL; // not a power of 2
void* q = mi_malloc_aligned(size, alignment);
if (q==NULL && size != 0) return ENOMEM;
mi_assert_internal(((uintptr_t)q % alignment) == 0);