Re: variadic args to C functions

perfect, thanks much

alan

On Jun 20, 2013, at 1:27 AM, Pavel Stehule wrote:

> Hello
>
> I wrote lot of C VARIADIC functions - some examples are in core -
> "format" function
>
> Schema | Name | Result data type | Argument data types | Type
> ------------+-----------+------------------+----------------------+--------
> pg_catalog | concat | text | VARIADIC "any" | normal
> pg_catalog | concat_ws | text | text, VARIADIC "any" | normal
> pg_catalog | format | text | text, VARIADIC "any" | normal
> (3 rows)
>
> look to http://okbob.blogspot.cz/2010/11/new-version-of-pst-collection-is.html
> source code (string functions)
>
> Code should be same without differences between external and internal functions.
>
> Regards
>
> Pavel
>
>
> 2013/6/20 Alan Nilsson <anilsson(at)apple(dot)com>:
>> Has anyone got any pointers on implementing a C function in an extension that takes variadic args? I would like to do something like:
>>
>> select my_function(XXX,...); where XXX will be between 1 and many integers.
>>
>> Possible? I didn't see any examples in the contrib directory.
>>
>>
>>
>>
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