Hi Barbara,
I opened RFE "
http://www.ibm.com/developerworks/rfe/execute?use_case=viewRfe&CR_ID=117030"; to address the problem.
Regards,
Thomas.
-----Ursprüngliche Nachricht-----
Von: RPG400-L [mailto:rpg400-l-bounces@xxxxxxxxxxxx] Im Auftrag von Thomas Raddatz
Gesendet: Dienstag, 20. Februar 2018 08:52
An: RPG programming on the IBM i (AS/400 and iSeries)
Betreff: AW: 7.1 and RPG prototypes
Hi Barbara,
The procedure was called by another module, but it was also called internally. And when sombody changed the procedure interface, he forgot to change the prototype. Before that somebody else forgot to include the /copy with the prototype to the module containing the callee. Everything compiled fine, but the call from the external module did not work because of a parameter mismatch. The last parameter contained nothing but garbage and I wondered why.
I took me too long to find the problem, because I did not think at the prototype.
Opening a RFE is a good idea.
Thomas.
-----Ursprüngliche Nachricht-----
Von: RPG400-L [mailto:rpg400-l-bounces@xxxxxxxxxxxx] Im Auftrag von Barbara Morris
Gesendet: Montag, 19. Februar 2018 22:25
An: rpg400-l@xxxxxxxxxxxx
Betreff: Re: 7.1 and RPG prototypes
On 2018-02-19 9:23 AM, dlclark@xxxxxxxxxxxxxxxx
wrote:
In my experience, although prototypes are no longer required
for internal procedures, the compiler still requires a prototype for
external stored procedures or it gives a compile-time error that the
procedure is undefined.
That's true of a module that is calling a procedure in another module.
But a prototype isn't required within the module that is exporting the procedure.
Thomas, the reason that the compiler doesn't require a prototype is that it the procedure may not ever be called from another RPG module.
It wouldn't be possible for the compiler to change its rules and start requiring a prototype for exported procedures. But you could open an RFE to request an H spec option to require prototypes for programs and exported procedures.
--
Barbara
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