Abstract CowData
's reallocations into _realloc
to consolidate duplicate logic.
#100474
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One can see that both code blocks were the same. The logic may further be used in the future to optimize other
CowData
functions that grow or shrink the array for various reasons.The current refcount returned by
copy_on_write
is guaranteed to be 1 in cases whererealloc
is called (i.e. an array exists, and we've forked off already). Therefore, it is safe to just init refcount with1
.