On 07.06.2010 16:11, Ozkan Sezer wrote:
> On 07.06.2010 10:42, Henry N. wrote:
>>    On 06.06.2010 15:22, Ozkan Sezer wrote:
>>> On Sun, Jun 6, 2010 at 3:58 PM, Henry N. wrote:
>>>> I personally stick on the SVN revision 42435, I found somewhere in mingw
>>>> headers.
>>>> Use this step to load DDK headers:
>>>>
>>>>        cd .../sezero/W64_160271/x86_64-w64-mingw32/include
>>>>        svn checkout -r 42435
>>>> svn://svn.reactos.org/reactos/trunk/reactos/include/ddk ddk
>>>>
>>>> Than fix a small warning:
>>>> --- x86_64-w64-mingw32/include/ddk/ntdef.h
>>>> +++ x86_64-w64-mingw32/include/ddk/ntdef.h
>>>> @@ -14,7 +14,7 @@
>>>>     #include<string.h>
>>>>
>>>>
>>>> -typedef unsigned long POINTER_64; // FIXME! HACK!!!
>>>> +#define POINTER_64 /* FIXME! HACK!!! */
>>> Why not just use unsigned long long? (didn't dive into the
>>> issue, just as question.)
>> With original typedef you will have this warning:
>> x86_64-w64-mingw32/include/ddk/ntdef.h:17: warning: useless type name in 
>> empty declaration
>>
>> "POINTER_64" is later used in this way only:
>>
>>      #define NULL64  ((void * POINTER_64)0)
>>
>> So, I would say NULL64 is simple the same as NULL. I don't know who as added 
>> the stuff of POINTER_64. Maybe it is to create a 64 bit pointer under 32 bit 
>> code? Here we are in 64 bit, so simply remove POINTER_64 from NULL64 or 
>> clear POINTER_64 out.
>
> I also did not take any action with the POINTER_64 problem in
> ddk/ntdef.h (reported by Henry Nestler), yet.  Kai: what would be the
> best for it? An empty #define for POINTER_64??

Have a look into x86_64-w64-mingw32/include/basetsd.h line 18, there it was 
defined as empty:
#define POINTER_64

Later exist a typedef for POINTER_64 in ntdef.h:
typedef unsigned long POINTER_64;

In case how the headers will load, gets this warning or not.

The line with "#define NULL64 ((void * POINTER_64)0)" was never used because 
NULL was defined before, and NULL64 is in a "#ifndef NULL". NULL64 does not 
exist for ddk-headers. You would get an error, if you try to use NULL64.

My conclusion: Define POINTER_64 as empty would simple fix the waning. Or 
remove complete the definition of POINTER_64 and remove the "POINTER_64" inside 
NULL64.

PS: I opened a new thread. It is more specific problem as generally headers

-- 
Henry N.


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