DUMA Memory App

DUMA

by DUMA

Memory Access Error Detector
Helps with: Memory
Similar to: RAMMAP App Graprof App Dr.Memory App libumem App More...
Source Type: Open
License Types:
Supported OS:
Languages: C CPP

What is it all about?

DUMA (Detect Unintended Memory Access) is a multi-platform memory debugging library. It can detect memory leaks and buffer overruns (or underruns) in a malloc() / new memory buffer. DUMA is a fork of Bruce Perens' Electric Fence library.

Key Features

* "overloads" all standard memory allocation functions like malloc(), calloc(), memalign(), strdup(), operator new, operator new[] and also their counterpart deallocation functions like free(), operator delete and operator delete[] * utilizes the MMU (memory management unit) of the CPU: allocates and protects an extra memory page to detect any illegal access beyond the top of the buffer (or bottom, at the user's option) * stops the program at exactly that instruction, which does the erroneous access to the protected memory page, allowing location of the defectice source code in a debugger * detects erroneous writes at the non-protected end of the memory block at deallocation of the memory block * detects mismatch of allocation/deallocation functions: f.e. allocation with malloc() but deallocation with operator delete * leak detection: detect memory blocks which were not deallocated until program exit * runs on Linux / U*ix and MS Windows NT/2K/XP operating systems * preloading of the library on Linux (and some U*ix) systems allowing tests without necessity of changing source code or recompilation


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