AW: [omniORB] function and sequence

[evgeni.rojkov at durr.com]

> You can use also for the strings :
> temp[0] = ( const char * )"klaus at uni.de";

Yes, both operator=(const char*) and CORBA::string_dup() will work correctly
here. I would prefer CORBA::string_dup() to avoid disaster if "const" is missing
and just "char*" used. 

> Evgeni, what about reference counting
> with the "_retn( )"?

Here is the code we are talking about:
{
 Feld_var temp = new Feld;
 ....
 return temp._retn();
}
Immediately after "return ...;" temp goes out of scope.
Without "temp._retn();", "delete temp.pd_data;" will be called in
temp-destructor, so we would have nothing valid to return. Are there any other
ways except "._retn();" here ?

Kind Regards, 
Evgeni


-----Ursprüngliche Nachricht-----
Von: omniorb-list-bounces at omniorb-support.com
[mailto:omniorb-list-bounces at omniorb-support.com] Im Auftrag von DA SILVA
Antonio
Gesendet: Mittwoch, 30. Januar 2008 17:34
An: omniorb-list at omniorb-support.com
Betreff: Re: [omniORB] function and sequence




Hi Ronald,

You can use also for the strings :
temp[0] = ( const char * )"klaus at uni.de";

Evgni, what about reference counting
with the "_retn( )"?

Antonio.


Ronald Andrae a écrit :
> Hello,
>
> thanks, you have fixed my problem. :-)
>
> evgeni.rojkov at durr.com schrieb:
>> Here are 2 improvement suggestions.
>> Regards, Evgeni
>>
>> // 1.
>> // temp[0] = "klaus at uni.de";   
>> temp[0] = CORBA::string_dup("klaus at uni.de");
>>
>> // 2.
>> //return temp;
>> return temp._retn();
>>
>>
>> -----Ursprüngliche Nachricht-----
>> Von: omniorb-list-bounces at omniorb-support.com
>> [mailto:omniorb-list-bounces at omniorb-support.com] Im Auftrag von 
>> Ronald Andrae
>> Gesendet: Mittwoch, 30. Januar 2008 15:16
>> An: omniorb-list at omniorb-support.com
>> Betreff: [omniORB] function and sequence
>>
>>
>> Hello,
>>
>> I have function, which returns a variable array (sequence).
>>
>> My IDL:
>>
>> typedef sequence<string> Feld;
>>
>> interface Student{
>>     Feld getEmails();
>> };
>>
>> My implementation:
>>
>> class Student_impl :  public POA_Student
>> {
>> public:
>>
>>     Feld * getEmails() {
>>         Feld_var temp = new Feld;
>>         temp->length(3);
>>         temp[0] = "klaus at uni.de";
>>         temp[1] = "gustav at uni.de";
>>         temp[2] = "dieter at uni.de";
>>         return temp;
>>     }
>> };
>>
>> There is a problem with the types Feld and Feld_var. Have anyone an 
>> idea, how i can fix this problem, so that I can use the array at the 
>> client side?
>>
>> Thanks
>>
>> _______________________________________________
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>> omniORB-list at omniorb-support.com 
>> http://www.omniorb-support.com/mailman/listinfo/omniorb-list
>>
>>   
>
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