[PD] How to implement an @ argument in an external object?

[Alexandros]

Coming back to this thread after some time.

I'm trying to check whether a given argument to an external I'm writing
starts with "@" or if it is actually "@sync", but can't seem to make it
work. Can't really understand how t_symbol works. I'm iterating though
the arguments with int argc and t_atom *argv and if there are the right
number of arguments, I'm retrieving the argument that's supposed to be
"@sync" with atom_gensym(argv);

I don't know how to compare that to a hard-coded string, like "@", or
"@sync". I tried comparing straight to these strings, tried strcmp(),
but I don't know how to do this, and couldn't find examples online.

Any hints?


On 26/02/2018 07:36 μμ, IOhannes m zmölnig wrote:
> On 02/26/2018 08:09 PM, Alexandros wrote:
>> Being informed about the mailing list archive correct link, I searched
>> for messages about this but didn't find something (it's possible I've
>> missed something though).
>>
>> I'm writing an external and I want to use an @ argument (for example
>> "@sync hard"). How does one implement this in C code?
>>
> either use flext (but then you write C++) and it comes for free.
>
> or simply iterate over the arguments, looking for symbols starting with
> "@" (or simply search for symbols that are "@sync"), then check whether
> there's another argument after that and see which value it has.
>
> fgdamrs
> IOhannes
>
>
>
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