Re: [Firebird-devel] Null flag in OO API

2016-06-22 Thread Dmitry Yemanov
22.06.2016 22:01, Jiří Činčura wrote: >> is considered non-NULL: zero or anything != -1? I expected the former >> (this is how the engine handles messages) while Jiri supposes the >> latter. Where is the truth? > > From my testing - on external engine messages - only the 0 was handled > as not

Re: [Firebird-devel] Null flag in OO API

2016-06-22 Thread Dmitry Yemanov
22.06.2016 18:58, Adriano dos Santos Fernandes wrote: > >> looking into memory dump for parameters in external engine in OO API is >> { 0xFF 0xFF } for true and anything else (basically 0) for false. >> Correct? > > Yes, 0xFF 0xFF is -1 (signed short). Is it really correct? I know that -1 is used

Re: [Firebird-devel] Null flag in OO API

2016-06-22 Thread Jiří Činčura
Thanks for confirmation. -- Mgr. Jiří Činčura Independent IT Specialist -- Attend Shape: An AT Tech Expo July 15-16. Meet us at AT Park in San Francisco, CA to explore cutting-edge tech and listen to tech luminaries

Re: [Firebird-devel] Null flag in OO API

2016-06-22 Thread Adriano dos Santos Fernandes
On 22/06/2016 11:35, Jiří Činčura wrote: > Hi *, > > looking into memory dump for parameters in external engine in OO API is > { 0xFF 0xFF } for true and anything else (basically 0) for false. > Correct? > Yes, 0xFF 0xFF is -1 (signed short). Adriano

[Firebird-devel] Null flag in OO API

2016-06-22 Thread Jiří Činčura
Hi *, looking into memory dump for parameters in external engine in OO API is { 0xFF 0xFF } for true and anything else (basically 0) for false. Correct? Thanks. -- Mgr. Jiří Činčura Independent IT Specialist -- Attend