Re: [Vala] CCode array length field name

[Jan-Jaap van der Geer <jjvdgeer inbox com>]

On Mon, 2009-11-30 at 15:09 -0800, Evan Nemerson wrote:
> On Mon, 2009-11-30 at 23:45 +0100, pHilipp Zabel wrote:

> > [CCode (array_length = false)] will make Vala turn errmess.length into
> > constant -1 instead of errmess_length1. I don't know of any way to
> > make that constant 252 instead.

> IIRC this should do the trick:

> [CCode (cname == "os_error")]
> public struct error {
>   public unowned int errnum;
>   public unowned char errmess[252];
> }

Great, this indeed works. The position of the [] in both versions
confuse me, though.

> > If errmess is null-terminated and utf-8 encoded, you could wrap it as
> > a weak string.

Why weak?

> I agree, binding it as a string is likely the right way to go. 

The string not necessarily 0-terminated (although the vast majority will
be) and latin1 encoded (though the vast majority will be ASCII only).

Thanks for your help.

Cheers,
Jan-Jaap