Re: [Firebird-devel] Reference counters in API

[Adriano d. S. F. <adr...@gm...>]

On 31-03-2011 10:30, Alex Peshkoff wrote:
>  On 03/31/11 16:21, Vlad Khorsun wrote:
>>> On 03/31/11 15:28, Vlad Khorsun wrote:
>>>>> On the other hand I see no problems with adding that method to our
>>>>> interfaces, specially if it's needed to make Delphi people life easier.
>>>>> It does not conflict with our versioning support.
>>>>     Unfortunately it is not enough. To be binary compatible with IUnknown
>>>> (not with Delphi itself but with well known stantard interface) we should use
>>>> stdcall also. So, we can be compatible and abandon upgradeInterface, or 
>>>> not compatible and don't add confusion introducing queryInterface.
>>> Vlad, if really needed we can make 3 first functions in our interface to
>>> use stdcall. This breaks nothing.
>>     And all other functions still will be cdecl ? Don't looks as beauty to me :(
> Vlad, I can agree that this is a bit strange, but if we forget about
> emotions - absolutely nothing bad.
> Functions from base Firebird::Interface never require upgrade - they are
> always present.

QueryInterface uses GUIDs, and an interface with a GUID should not change.

This is not conceptually compatible with our versioning scheme.


Adriano