[Mesa-dev] [PATCH] exec_list: add a list_foreach_typed_reverse() macro

[Ian Romanick]

Reviewed-by: Ian Romanick <ian.d.romanick at intel.com>

But you should wait to push it until you push a patch that uses it...
otherwise some may send a patch to remove the unused macro. :)

On 07/30/2014 03:52 PM, Connor Abbott wrote:
> Signed-off-by: Connor Abbott <connor.abbott at intel.com>
> ---
>  src/glsl/list.h | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/src/glsl/list.h b/src/glsl/list.h
> index 3ee6cda..c402f48 100644
> --- a/src/glsl/list.h
> +++ b/src/glsl/list.h
> @@ -644,6 +644,12 @@ inline void exec_node::insert_before(exec_list *before)
>  	(__node)->__field.next != NULL; 				\
>  	(__node) = exec_node_data(__type, (__node)->__field.next, __field))
>  
> +#define foreach_list_typed_reverse(__type, __node, __field, __list)	\
> +   for (__type * __node =						\
> +	   exec_node_data(__type, (__list)->tail_pred, __field);	\
> +	(__node)->__field.prev != NULL; 				\
> +	(__node) = exec_node_data(__type, (__node)->__field.prev, __field))
> +
>  #define foreach_list_typed_safe(__type, __node, __field, __list)           \
>     for (__type * __node =                                                  \
>             exec_node_data(__type, (__list)->head, __field),                \
>