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Fixed zeroing in resize_dynamic_array.

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When a dynamic array has unused capacity and is resized to a size
greater than its capacity, the unused part of its capacity wasn't being
zeroed.
This commit is contained in:
Barinzaya
2024-12-19 17:52:09 -05:00
parent 597fba7c31
commit 5f46b5ca50
1 changed files with 5 additions and 3 deletions
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8
base/runtime/core_builtin.odin
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@@ -826,10 +826,12 @@ _resize_dynamic_array :: #force_inline proc(a: ^Raw_Dynamic_Array, size_of_elem,
return nil
}
if should_zero && a.len < length {
num_reused := min(a.cap, length) - a.len
intrinsics.mem_zero(([^]byte)(a.data)[a.len*size_of_elem:], num_reused*size_of_elem)
}
if length <= a.cap {
if should_zero && a.len < length {
intrinsics.mem_zero(([^]byte)(a.data)[a.len*size_of_elem:], (length-a.len)*size_of_elem)
}
a.len = max(length, 0)
return nil
}