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BoundsChecker

BoundsChecker is a memory checking and API call validation tool used for C++ software development with Microsoft Visual C++. It was created by Nu-Mega Technologies in the early 1990s. When Nu-Mega was purchased by Compuware in 1997, BoundsChecker became part of a larger tool suite, DevPartner Studio. Micro Focus purchased the product line from Compuware in 2009. Comparable tools include Purify, Insure++ and Valgrind.

BoundsChecker may be run in two distinct modes: ActiveCheck, which will work against any application as is, or FinalCheck, which makes use of instrumentation added to the application when it is built.

ActiveCheck performs a less intrusive analysis and monitors all calls by the application to the C Runtime Library, Windows API and calls to COM objects. By monitoring memory allocations and releases, it can detect memory leaks and overruns. Monitoring API and COM calls enables ActiveCheck to check parameters, returns and exceptions and report exceptions when they occur. Thread deadlocks can also be detected by monitoring of the synchronization objects and calls giving actual and potential deadlock detection.

FinalCheck requires an instrumented build and gives a much deeper but more intrusive analysis. It provides all of the detection features of ActiveCheck plus the ability to detect buffer overflows (read and write) and uninitialized memory accesses. It monitors every scope change, and tracks pointers referencing memory objects.