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Editorial Team
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Asked: 2026-05-20T15:53:24+00:00

I wish to create a build of a project constructed so that it is

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I wish to create a build of a project constructed so that it is identical to the release build, except that the debug version of the default allocator is used (with canary checks on alloc/free and so on). The compiler/CRT is Visual Studio 2010.

Reading the documentation for the CRT it seems that _DEBUG needs to be defined for calls to _CrtCheckMemory(), _malloc_dbg(), etc. to not be removed. I do not wish to enable the _DEBUG define since this will influence more than the allocator.

Is there a way to use the CRT debug allocator without having _DEBUG defined?

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1 Answer

  1. Editorial Team

    _malloc_dbg() requires the debug runtime, the debug runtime requires _DEBUG – So no, you can’t do this.

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