RE: [ft-devel] multithreading and 64 bits

[PILLET Céline]

I use FT_PtrDist in this case since 2 weeks, it's work.
I will send a compiler log file to this list.
Thanks for reply.

Celine.

-----Message d'origine-----
De : Tom Kacvinsky [mailto:address@hidden
Envoyé : mercredi 26 avril 2006 16:12
À : address@hidden
Objet : Re: [ft-devel] multithreading and 64 bits


The long integer type on Windows 64 is 4 bytes wide, not 8 bytes wide.
Thank you, MS!  You will have to use ptrdiff_t if you want a full 8 byte
wide integer type.  Werner, I have not looked at the code recently, but
I assume FT_PtrDist is like ptrdiff_t.

Tom

Werner LEMBERG wrote:
> Sorry for the late reply.
> 
>> i am using FreeType library on Windows 64 bits OS Opteron, with a 64
>> bits executable (FreeType Build in 64 bits).  There is a lot of
>> problems :
>>  
>> On Windows 64 bits, a "FT_Long", or a "Long" ,it's 2 Giga.
>>  
>> But when we do a "pointer difference", i can see that a FT_Long is
>> too small...
> 
> You are completely right.
> 
>> Example : 
>>  
>> static void  shift_elements( PS_Table  table,FT_Byte*  old_base )
> 
> This particular function I've just fixed in the CVS, thanks (we use
> `FT_PtrDist').  Does your compiler generate warnings for other such
> situations?  Can you send a compiler log file to this list (possibly
> compressed in case it is big)?
> 
> 
>     Werner
> 
> 
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