From d716ac4bc4236031d4c3cc1ed362b502e20e3787 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Thu, 19 Aug 2021 08:47:04 +0200 Subject: [PATCH] list.h: add a few missing iterator macros Signed-off-by: Felix Fietkau --- list.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/list.h b/list.h index 8e61e47..a2cb241 100644 --- a/list.h +++ b/list.h @@ -112,6 +112,8 @@ list_del_init(struct list_head *entry) #define list_entry(ptr, type, field) container_of(ptr, type, field) #define list_first_entry(ptr, type, field) list_entry((ptr)->next, type, field) #define list_last_entry(ptr, type, field) list_entry((ptr)->prev, type, field) +#define list_next_entry(pos, member) list_entry((pos)->member.next, typeof(*(pos)), member) +#define list_entry_is_h(p, h, field) (&p->field == (h)) #define list_for_each(p, head) \ for (p = (head)->next; p != (head); p = p->next) @@ -123,6 +125,16 @@ list_del_init(struct list_head *entry) for (p = list_first_entry(h, __typeof__(*p), field); &p->field != (h); \ p = list_entry(p->field.next, __typeof__(*p), field)) +#define list_for_each_entry_continue(p, h, field) \ + for (p = list_next_entry(p, field); \ + !list_entry_is_h(p, h, field); \ + p = list_next_entry(p, field)) + +#define list_for_each_entry_continue_reverse(p, h, field) \ + for (p = list_prev_entry(p, field); \ + !list_entry_is_h(p, h, field); \ + p = list_prev_entry(p, field)) + #define list_for_each_entry_safe(p, n, h, field) \ for (p = list_first_entry(h, __typeof__(*p), field), \ n = list_entry(p->field.next, __typeof__(*p), field); &p->field != (h);\ -- 2.30.2