Re: calling C from OPM RPG

[Simon Coulter <shc@xxxxxxxxxxxxxxxxx>]

On 16/09/2004, at 12:53 AM, Bob Cozzi wrote:

> Prototyping printf() was a challenge due to the polymorphic aspects of 
> the
> parameters. (Did I just use the "p" word in a sentence? Sorry.)

Why would you bother? RPG IV has better support for converting and 
concatenating
mixed variables into a string than C has. Then if you must use printf() 
or its siblings you need only prototype it with two string parameters. 
Thus:

        C                               EVAL    message = "The count is " + 
%EDTC(count: 'X') +
        C                       " and the item is " + item
    C                           CALLP   prinf("%s", message)

or
/FREE
message = "The count is " + %EDTC(count:'X') + "and the item is " + 
item;
printf("%s", message);
/ENDFREE

if you prefer.

Regards,
Simon Coulter.
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