Valgrind is a framework for building tools to analyze programs.

Description  edit

Valgrind works on unmodified executables (no need to recompile in a dedicated mode). Its oldest component, "memcheck", is key to hunting leaks, buffer overflows, uninitialized values, etc.

To execute valgrind:

valgrind executable arguments...

It will produce a summary telling how dynamically allocated memory is used when exiting the process: definitely lost, indirectly lost, possibly lost, or still reachable. Additional flags can give further details.

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