Re: clutter - "... int *argc" - their doc entries and corresponding GIArgInfo

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Hello Phil,

Thanks for your taking some of your time to answer. Mean while, I've had qu=
ite a
long chat about all this (special thanks to ptomato[m] and ebassy), and a p=
ointer
to how GJS has implemented preparation and calls to g_function_info_invoke,
beautifully written, but 'forced to' a level of complexity that could be av=
oided,
imo.

Thanks for the links as well.

> ...
>          argc    [inout][optional]
>          argv    [inout][array length=3Dargc][optional]

Yes, that is what I was expecting (talking about argc), together with an ac=
curate
description: argc is a pointer to an integer, which can be NULL, it is not =
an
integer.

> The annotations for [clutter_init][5] are not quite as you have quoted:=20
> they do include the array annotation on argv:

Sorry, I I did copy from somewhere it didn't mention that, but argv was and
still is not 'the problem' I wanted to talk about, so let's forget about it.

>          argc    [inout]
>          argv    [array length=3Dargc][inout][allow-none]

> It could be argued that the array annotation (that links argc to argv)=20
> ...

The above version is the one I expect

          argc    [inout][optional]
          argv    [inout][array length=3Dargc][optional]

together with an accurate description (for argc)

	a pointer to the number of arguments in argv

	[ which I prefer to "... of command line arguments", but ok

> The extra level of indirection for out and inout arguments is not=20
> counted by [g_type_info_is_pointer][6].  (Therefore 'direction' needs to=
=20
> be known to determine the C type from the GIArgInfo data.)

I haven't been convinced, imo, the GIArgInfo, for argc, should always tell =
us
exactly what the C function argument is, in this case, in substance:

	...
	type-tag =3D pointer
	pointing-to =3D one-integer
	...
	is-pointer? =3D #t
	may-be-null? =3D #t
	...
	gi-argument-field =3D v-pointer

Regards,
David

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