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VS 2008 Compiler option for flagging uninitialized variables

Is there a compiler option in VS 2008 (C++) to expose uninitialized variables?开发者_Go百科 I'm trying to debug a problem where the "release" build of a DLL does not work but the "debug" build of the DLL does work.


iirc, setting warning level to 4 will help with this


cl.exe sample.cpp /analyze
here's the link on MSDN

You're looking for warning number C6001


My normal debug builds seem to have this warning enabled:

warning C4700: uninitialized local variable 'xxx' used

and the warning is not present in a release build.


I don't know if this is still relevant but I was just looking for the same thing and found a solution.

You can manually change the warning-level for single warnings. In your case you have to set the level for this particular warning at least as low as your configured level of default-warnings (usually 1 or 2).

Within the project-settings within the C/C++ settings enter a manual command-line switch:

/wYxxxx

with Y being the warninglevel (e.g. 1) and xxxx being the warningnumber in this case you should enter

/w14701

Cheers

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