polardbxengine/extra/duktape/duktape-2.3.0/examples/alloc-torture

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Allocator with memory wiping and red zones
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Example allocator that wipes memory on free and checks that no out-of-bounds
writes have been made to bytes just before and after the allocated area.

Valgrind is a better tool for detecting these memory issues, but it's not
available for all targets so you can use something like this to detect
memory lifecycle or out-of-bounds issues.