Re: [Tiny-cobol-users] Interfacing TinyCOBOL programs with cgi-util library

[Ferran P. <fer...@re...>]

Hudson Reis wrote:

>Hi Ferran,
>
>thanks to help me!
>
>  
>
>>It's easy.
>>    
>>
>
>I believe so, but I don't know C.. :(
>
>  
>
>>To call the routine you should terminate the parametre wirh a NULL 
>>(binary 0).
>>    
>>
>
>Ok, I got it.
>
>  
>
>>Somryhing like this should work :
>>
>>move spaces to parameter-wor.
>>
>>string address-to-verify delimited by size
>>          x'00'                   delimited by size
>>                     into parameter-wor.
>>
>>call "cgi_goodemailaddress" using   parameter-wor.
>>    
>>
>
>What kind of variable do I need to declare?(pic a(n) or pic x(n))
>What's the size of this variable?
>  
>
The variable can be any type, I use pic x(n) but pic a(n) or pic 9(n) 
should work.
The size is not important, the size of parameter-wor only needs to be 
big enought to contain all the address and the null char. If there is an 
empty space after this, the C routine won't use it.

>How could I test the call's return from C routine on my COBOL program?  How could I receive the values return from C routine on my COBOL program?
>
To get the return value, you should use the giving or returning clause 
of the call statement.

call "cgi_goodemailaddress" using   parameter-wor giving return-wor.

I recomend that return-wor were a pic 9(6) comp, this picture is the equivalent to a C int.



> 
>  
>
>>Then you should coimpile the COBOL sources and link it with the C 
>>object. to make an executable.
>>    
>>
>
>Ok, I got it.
>
>Thanks
>Hudson
>
>
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| Ferran Pegueroles Forcadell                                   |
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