It's just a simple, portable way to make the `unused parameter`
warning shut up, when you're deliberately ignoring your parameters.
There are other ways [__attribute__(( unused )), etc] but they cease
to be simple or portable fairly quickly.
-- Chris
On Mon, Aug 26, 2013 at 5:07 PM, Liu Xin <liu...@icubecorp.com> wrote:
> HI, list,
>
> i don't understand why glsl source have so many 'cast to void' operations,
> like this.
>
> ir_rvalue *
> ast_node::hir(exec_list *instructions,
> struct _mesa_glsl_parse_state *state)
> {
> (void) instructions;
> (void) state;
>
> return NULL;
> }
>
> i think it's totally void operation, do you guy just make gcc compiler
> happy?
>
> thanks,
> --lx
>
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