From c6582e884df3e052ec372ee7f8a8838f46681913 Mon Sep 17 00:00:00 2001 From: Jason Ekstrand Date: Fri, 7 Nov 2014 18:26:50 -0800 Subject: [PATCH] glsl/list: Add a foreach_list_typed_safe_reverse macro Reviewed-by: Connor Abbott --- src/glsl/list.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/src/glsl/list.h b/src/glsl/list.h index 4774ccca218..330c17e378b 100644 --- a/src/glsl/list.h +++ b/src/glsl/list.h @@ -678,4 +678,13 @@ inline void exec_node::insert_before(exec_list *before) __node = __next, __next = \ exec_node_data(__type, (__next)->__field.next, __field)) +#define foreach_list_typed_safe_reverse(__type, __node, __field, __list) \ + for (__type * __node = \ + exec_node_data(__type, (__list)->tail_pred, __field), \ + * __prev = \ + exec_node_data(__type, (__node)->__field.prev, __field); \ + __prev != NULL; \ + __node = __prev, __prev = \ + exec_node_data(__type, (__prev)->__field.prev, __field)) + #endif /* LIST_CONTAINER_H */ -- 2.30.2