diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/openvswitch/list.h | 73 |
1 files changed, 42 insertions, 31 deletions
diff --git a/include/openvswitch/list.h b/include/openvswitch/list.h index 8ad5eeb32..bbd2edbd0 100644 --- a/include/openvswitch/list.h +++ b/include/openvswitch/list.h @@ -72,37 +72,48 @@ static inline bool ovs_list_is_empty(const struct ovs_list *); static inline bool ovs_list_is_singleton(const struct ovs_list *); static inline bool ovs_list_is_short(const struct ovs_list *); -#define LIST_FOR_EACH(ITER, MEMBER, LIST) \ - for (INIT_CONTAINER(ITER, (LIST)->next, MEMBER); \ - &(ITER)->MEMBER != (LIST); \ - ASSIGN_CONTAINER(ITER, (ITER)->MEMBER.next, MEMBER)) -#define LIST_FOR_EACH_CONTINUE(ITER, MEMBER, LIST) \ - for (ASSIGN_CONTAINER(ITER, (ITER)->MEMBER.next, MEMBER); \ - &(ITER)->MEMBER != (LIST); \ - ASSIGN_CONTAINER(ITER, (ITER)->MEMBER.next, MEMBER)) -#define LIST_FOR_EACH_REVERSE(ITER, MEMBER, LIST) \ - for (INIT_CONTAINER(ITER, (LIST)->prev, MEMBER); \ - &(ITER)->MEMBER != (LIST); \ - ASSIGN_CONTAINER(ITER, (ITER)->MEMBER.prev, MEMBER)) -#define LIST_FOR_EACH_REVERSE_SAFE(ITER, PREV, MEMBER, LIST) \ - for (INIT_CONTAINER(ITER, (LIST)->prev, MEMBER); \ - (&(ITER)->MEMBER != (LIST) \ - ? INIT_CONTAINER(PREV, (ITER)->MEMBER.prev, MEMBER), 1 \ - : 0); \ - (ITER) = (PREV)) -#define LIST_FOR_EACH_REVERSE_CONTINUE(ITER, MEMBER, LIST) \ - for (ASSIGN_CONTAINER(ITER, (ITER)->MEMBER.prev, MEMBER); \ - &(ITER)->MEMBER != (LIST); \ - ASSIGN_CONTAINER(ITER, (ITER)->MEMBER.prev, MEMBER)) -#define LIST_FOR_EACH_SAFE(ITER, NEXT, MEMBER, LIST) \ - for (INIT_CONTAINER(ITER, (LIST)->next, MEMBER); \ - (&(ITER)->MEMBER != (LIST) \ - ? INIT_CONTAINER(NEXT, (ITER)->MEMBER.next, MEMBER), 1 \ - : 0); \ - (ITER) = (NEXT)) -#define LIST_FOR_EACH_POP(ITER, MEMBER, LIST) \ - while (!ovs_list_is_empty(LIST) \ - && (INIT_CONTAINER(ITER, ovs_list_pop_front(LIST), MEMBER), 1)) +#define LIST_FOR_EACH(VAR, MEMBER, LIST) \ + for (INIT_MULTIVAR(VAR, MEMBER, (LIST)->next, struct ovs_list); \ + CONDITION_MULTIVAR(VAR, MEMBER, ITER_VAR(VAR) != (LIST)); \ + UPDATE_MULTIVAR(VAR, ITER_VAR(VAR)->next)) + +#define LIST_FOR_EACH_CONTINUE(VAR, MEMBER, LIST) \ + for (INIT_MULTIVAR(VAR, MEMBER, VAR->MEMBER.next, struct ovs_list); \ + CONDITION_MULTIVAR(VAR, MEMBER, ITER_VAR(VAR) != (LIST)); \ + UPDATE_MULTIVAR(VAR, ITER_VAR(VAR)->next)) + +#define LIST_FOR_EACH_REVERSE(VAR, MEMBER, LIST) \ + for (INIT_MULTIVAR(VAR, MEMBER, (LIST)->prev, struct ovs_list); \ + CONDITION_MULTIVAR(VAR, MEMBER, ITER_VAR(VAR) != (LIST)); \ + UPDATE_MULTIVAR(VAR, ITER_VAR(VAR)->prev)) + +#define LIST_FOR_EACH_REVERSE_CONTINUE(VAR, MEMBER, LIST) \ + for (INIT_MULTIVAR(VAR, MEMBER, VAR->MEMBER.prev, struct ovs_list); \ + CONDITION_MULTIVAR(VAR, MEMBER, ITER_VAR(VAR) != (LIST)); \ + UPDATE_MULTIVAR(VAR, ITER_VAR(VAR)->prev)) + +#define LIST_FOR_EACH_REVERSE_SAFE(VAR, PREV, MEMBER, LIST) \ + for (INIT_MULTIVAR_SAFE_LONG(VAR, PREV, MEMBER, (LIST)->prev, \ + struct ovs_list); \ + CONDITION_MULTIVAR_SAFE_LONG(VAR, PREV, MEMBER, \ + ITER_VAR(VAR) != (LIST), \ + ITER_VAR(PREV) = ITER_VAR(VAR)->prev, \ + ITER_VAR(PREV) != (LIST)); \ + UPDATE_MULTIVAR_SAFE_LONG(VAR, PREV)) + +#define LIST_FOR_EACH_SAFE(VAR, NEXT, MEMBER, LIST) \ + for (INIT_MULTIVAR_SAFE_LONG(VAR, NEXT, MEMBER, (LIST)->next, \ + struct ovs_list); \ + CONDITION_MULTIVAR_SAFE_LONG(VAR, NEXT, MEMBER, \ + ITER_VAR(VAR) != (LIST), \ + ITER_VAR(NEXT) = ITER_VAR(VAR)->next, \ + ITER_VAR(NEXT) != (LIST)); \ + UPDATE_MULTIVAR_SAFE_LONG(VAR, NEXT)) + +#define LIST_FOR_EACH_POP(ITER, MEMBER, LIST) \ + while (!ovs_list_is_empty(LIST) ? \ + (INIT_CONTAINER(ITER, ovs_list_pop_front(LIST), MEMBER), 1) : \ + (ITER = NULL, 0)) /* Inline implementations. */ |