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See more: C++ Windows 64-bit
what all the things i need to take care when i am trying to port my driver from 32 bit to 64 bit?
we have the different types of datatypes like (UINT8,UINT16,UINT32) and (PUINT8,PUINT16,PUINT32)
 
Thanks in advance
Posted 21-Nov-12 3:48am
Edited 21-Nov-12 3:50am
v3
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Richard MacCutchan at 21-Nov-12 9:00am
   
It depends on what your driver does. Without much more information it is difficult to make a valid assessment.
Richard MacCutchan at 21-Nov-12 9:01am
   
I see this is a duplicate of a post from 4 days ago. I have deleted the original.
JackDingler at 21-Nov-12 11:16am
   
Those aren't really distinct data types. Just typedefs to overload the types for compatibility purposes.
 
The intent is, if you use those types then your code will compile without errors in both 32 bit and 64 bit modes.

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Solution 1

yout internal data doenst matter. You need to watch out your external interfaces.
 
At best you compile on warning level 4. It is a lot of stupid work....
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