Improve xmalloc #107
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Improve xmalloc #107
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When reallocating, check that the pointer changed before updating the hash table. Otherwise, we're just removing then re-adding the same value. This frequently happens when the allocation is shrinking, or only growing by a few bytes.
This fixes the issue described in laurikari#100.
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This PR improves the code quality of
xmalloc.csomewhat, and addresses the issue raised in #100.