use double link list to implenment MEMory allocation. There won t appear maloc, new, delete, in my code. All is using freelist to find a suitable MEMory space.
The Valgrind distribution has multiple tools. The most popular is the MEMory checking tool (called Memcheck) which can detect many common MEMory errors such as:
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touching MEMory you shouldn t (eg. overrunning heap block boundaries)
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using values before they have been initialized
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incorrect freeing of MEMory, such as double-freeing heap blocks
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MEMory leaks.
