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mem: Forbid construction of Buddy_Allocator with insufficient space

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This takes into account eventual alignment.
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Feoramund
2025-06-19 19:36:14 -04:00
parent 57e2d8f1dd
commit c2f3d074e3
1 changed files with 1 additions and 0 deletions
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core/mem/allocators.odin
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@@ -2239,6 +2239,7 @@ buddy_allocator_init :: proc(b: ^Buddy_Allocator, data: []byte, alignment: uint,
b.head.is_free = true b.head.is_free = true
b.tail = buddy_block_next(b.head) b.tail = buddy_block_next(b.head)
b.alignment = alignment b.alignment = alignment
assert(uint(len(data)) >= 2 * buddy_block_size_required(b, 1), "The size of the backing buffer must be large enough to hold at least two 1-byte allocations given the alignment requirements, otherwise it cannot split.", loc)
// sanitizer.address_poison(data) // sanitizer.address_poison(data)
} }