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Anyone have a good way of debugging memory leaks within a DarkGDK application in Visual C++? I've tried a bunch of options tonight, and the only one that worked for me was http://www.runtimechecker.com/ and it costs 70 bucks to buy.

This one did nothing at all when I included it in my project (and defined _DEBUG): http://dmoulding.googlepages.com/downloads

Same with this one (no prints or anything even when I inserted a memory leak): http://www.gamedev.net/community/forums/topic.asp?topic_id=482850

I got linker errors when I tried to use this: http://www.codeguru.com/forum/showthread.php?t=312742

I use the memory leak detection in Visual Studio you can find information on it here:
http://msdn.microsoft.com/en-us/library/e5ewb1h3%28VS.80%29.aspx

I prefer http://www.codeproject.com/KB/applications/visualleakdetector.aspx.
Free, easy to use, and useful enough.

Hey guys, thanks for suggesting some tools.

@Bruce - I tried using this solution by opening a new darkgdk project and following the steps in the link you sent, but I get a linker error:

Main.obj : error LNK2019: unresolved external symbol __CrtDumpMemoryLeaks referenced in function "void __cdecl DarkGDK(void)" (?DarkGDK@@YAXXZ)
Debug\MemoryLeakTest.exe : fatal error LNK1120: 1 unresolved externals

I attached my project. If you get a sec, will you please take a peek at the code and se if there's something else I need to do to get it to work?

@Drowneath I get a similar problem with the visual leak detector tool. From a new darkGDK 3D game, I downloaded 1.0, put the files into the visual studio installation in the right places, and included "vld.h." It found the header but couldn't link. Do you need to do anything special to make it work with darkGDK? Here are the errors I got:

vldmt.lib(vld.obj) : error LNK2019: unresolved external symbol __CrtSetAllocHook referenced in function "public: __thiscall VisualLeakDetector::VisualLeakDetector(void)" (??0VisualLeakDetector@@QAE@XZ)
vldmt.lib(vld.obj) : error LNK2019: unresolved external symbol __malloc_dbg referenced in function "public: __thiscall VisualLeakDetector::VisualLeakDetector(void)" (??0VisualLeakDetector@@QAE@XZ)
vldmt.lib(vldutil.obj) : error LNK2001: unresolved external symbol __malloc_dbg
vldmt.lib(vld.obj) : error LNK2019: unresolved external symbol __free_dbg referenced in function "void __cdecl operator delete(void *,char *,int)" (??3@YAXPAXPADH@Z)
vldmt.lib(vldutil.obj) : error LNK2001: unresolved external symbol __free_dbg
Debug\VldLeakTest.exe : fatal error LNK1120: 3 unresolved externals