I have tried mainly Boundschecker and Purify, and they were usually quite slow and difficult to set up and produced lots of spurious results. Also, quite often they simply didn't work at all and refused to run certain programs. A few years ago I reduced the problem to a 10 line C++ program that would crash Boundschecker or Purify, can't remember anymore which one it was.
It's super easy to set up, just #include "vld.h" somewhere in your program, and then run the debug mode. No need to rebuild everything in instrumented mode, and no false results (at least I haven't got any). Real memory leaks will be reported in the output window of the IDE.
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I have tried mainly Boundschecker and Purify, and they were usually quite slow and difficult to set up and produced lots of spurious results. Also, quite often they simply didn't work at all and refused to run certain programs. A few years ago I reduced the problem to a 10 line C++ program that would crash Boundschecker or Purify, can't remember anymore which one it was.
o r.asp
In any case, Visual Leak Detector is a free memory checking tool. It's only for Windows / Visual Studio, but if you are using that, VLD is awesome: http://www.codeproject.com/tools/visualleakdetect
It's super easy to set up, just #include "vld.h" somewhere in your program, and then run the debug mode. No need to rebuild everything in instrumented mode, and no false results (at least I haven't got any). Real memory leaks will be reported in the output window of the IDE.