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Date: Thu, 29 Jan 2009 09:00:46 -0600
From: Anthony Liguori <anthony@codemonkey.ws>
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Subject: Re: [Qemu-devel] Mingw GCC not recognising printf format "%I64u"
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To: qemu-devel@nongnu.org

Jamie Lokier wrote:
> Anthony Liguori wrote:
>   
>> Or we can just do
>>
>> #ifdef _WIN32
>> #define PRIu64 "%llu"
>> #endif
>>
>> or whatever the correct format is.
>>     
>
> Qemu does that already!
>   

I don't think so.  mingw32 actuallt defines PRIu64 as "%I64u" even 
though GCC doesn't like it.  FWIW, the following seems to work for me:

/* Mingw has a broken PRIu64 */
#if defined(__MINGW32__)
#undef PRIu64
#define PRIu64 "Ld"
#endif

Regards,

Anthony Liguori

> It's just it defines the macro to "%I64u" because that's the WIN32 way
> of writing it...
>   



> A quick Google reveals that "%llu" actually doesn't work on Mingw.
>
> (Though, if you were compiling on Cygwin (the Linux-like environment
> for Windows), you must use "%llu".  But that also defines _WIN32... ho hum).
>
> -- Jamie
>
>
>   
>> Regards,
>>
>> Anthony Liguori
>>
>>     
>>> I won't blame it for not doing so, BeOS didn't have them either (but 
>>> hey, it was out before C99...).
>>>
>>> François.
>>>
>>>
>>>  
>>>       
>>
>>     
>
>
>