Questions tagged [heap]

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Using the AND operator to find a heap allocation size, Fermin's formula

I came across this technique, leveraging the HPA feature (Heap Page Allocator, known as PageHeap) in gflags from Windows debugging tools, to find the size of a heap allocation: Lets say you have ...
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dlmalloc free pointers

I was looking at the implementation of "free" in my current dlmalloc(both the source and the disassembly). However, I could not find the code section the inserts the FD and BK into free chunks. What ...