[Vm-dev] other 64bit changes, header files, and smalltalk

[Andreas Raab]

Igor Stasenko wrote:
>  
> 2010/1/12 Andreas Raab <andreas.raab at gmx.de>:
>> Igor Stasenko wrote:
>>> Btw,  about that function. Its using a squeakFileOffsetType, which is
>>> platform specific, and i had hard times
>>> trying to deal with right header inclusion order imposing dependency
>>> of interpreter from platform code, which, IMO should be avoided.
>>> I propose to change it to
>>> typedef  unsigned long long vmFileOffsetType;
>>> and use this type instead.
>> I'm not sure if MSVC supports long long nowadays. It didn't used to - it
>> used to require __int64 which is why the definition of squeakFileOffsetType
>> is external.
>>
> 
> There should be an ANSI long long integer type.

There's a C99 long long type (does MSVC implement C99?) but for example 
no C++ long long type. See also:

http://bytes.com/topic/c/answers/63790-__int64-vs-long-long

I'd strongly suggest leaving this in a way that allows for external 
redefinition. You could have something that says:

#ifndef LONGLONG_NOT_SUPPORTED
typedef long long squeakFileOffsetType
#endif

Cheers,
   - Andreas