[Lazarus] INVALID_* consts

[waldo kitty]

On 6/3/2013 14:27, Alberto Narduzzi wrote:
>> what can we do about INVALID_FILE_SIZE?
>>
>> const
>> INVALID_FILE_SIZE = DWORD($FFFFFFFF);
>>
>> is the above correct? it would seem to be from what i can make out from
>> MSDN and the various C code files i've found it defined in...
>>
>> i kind of have to laugh because on place i read spoke of examples
>> checking the result directly instead of using INVALID_FILE_SIZE and that
>> this was not good coding practice because m$ might change the value of
>> INVALID_FILE_SIZE at any time which would then break all of that code...
>> i makes sense to me O:)
>>
>
> what is the purpose/meaning of INVALID_FILE_SIZE on first instance, I may ask...

all i can do is point to the links i just posted to mattias where it is defined 
and routines are shown with how to use it...

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