Detect memory leaks in C++

Q: Detect memory leaks in C++

This question evaluates understanding of memory management and leak detection in C++, including competence with dynamic analysis tools, runtime/reporting integration, and preventive ownership and resource-management techniques.

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Question

C++ Memory Leaks: Detection, Integration, and Prevention

You are building or maintaining a C++ service/library and need a practical approach to find and prevent memory leaks across platforms.

Discuss:

Dynamic analysis tools and options
- Linux: Valgrind/Memcheck; AddressSanitizer (ASan) and LeakSanitizer (LSan)
- Windows: Visual Studio AddressSanitizer, CRT debug heap, Diagnostic Tools
- macOS/iOS: Xcode Instruments (Leaks/Allocations), command-line leaks
Runtime/reporting integration
- How to run these tools in local dev, test, and CI
- How to fail builds/tests on leaks
- Using suppressions and mid-run leak checks
Preventive techniques
- RAII
- Smart pointers (unique_ptr/shared_ptr/weak_ptr)
- Ownership rules and coding practices

Detect memory leaks in C++

C++ Memory Leaks: Detection, Integration, and Prevention

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Detect memory leaks in C++

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C++ Memory Leaks: Detection, Integration, and Prevention

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