[Bf-committers] Defaults for RNA array parameters

[Brecht Van Lommel]

Hi Tom,

It's not clear to me when you saw uninitialized memory, am I right
thinking that the malloc made it work, but didn't look like a good
solution? In other places the array is defined "static" to keep it in
memory, without a malloc.

Brecht.

On Fri, Jul 22, 2011 at 3:45 PM, Tom Edwards <contact at steamreview.org> wrote:
> I can't work out how to provide a default value for an RNA array
> parameter. Ominously, the unit tests don't cover this at all.
>
> The code is:
>
> const int default_layout_size = sizeof(float) * 12;
> const float default_layout_stack[] = { 0,0, 0,1, 0,2, 1,0, 1,1, 1,2 };
>
> float* default_layout_heap = (float*)malloc(default_layout_size);
> memcpy(default_layout_heap,default_layout_stack,default_layout_size);
>
> ...
>
> parm = RNA_def_float_array(func, "layout", 12, default_layout_heap,
> 0.0f, 0.0f, "File layout", "Snip", 0.0f, 0.0f);
>
> There is no problem if a value is provided, but the default appears to
> be uninitialised memory.
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