From b8e57298d53e38d660128a795a4c12ecccfde964 Mon Sep 17 00:00:00 2001 From: Geoff Levand Date: Fri, 11 Nov 2011 22:52:05 -0800 Subject: [PATCH] Add list_prev_entry, list_next_entry Signed-off-by: Geoff Levand --- lib/list/list.h | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/lib/list/list.h b/lib/list/list.h index d93f8a8..7f9955f 100644 --- a/lib/list/list.h +++ b/lib/list/list.h @@ -27,14 +27,19 @@ struct list { ? NULL \ : container_of(_ptr, _type, _member)) +#define list_prev_entry(_list, _pos, _member) \ + list_entry(_pos->_member.prev, typeof(*_pos), _member, _list) + +#define list_next_entry(_list, _pos, _member) \ + list_entry(_pos->_member.next, typeof(*_pos), _member, _list) + #define list_for_each_entry(_list, _pos, _member) \ for (_pos = list_entry((_list)->head.next, typeof(*_pos), _member, _list); \ - _pos; \ - _pos = list_entry(_pos->_member.next, typeof(*_pos), _member, _list)) + _pos; _pos = list_next_entry(_list, _pos, _member)) #define list_for_each_entry_continue(_list, _pos, _member) \ - for (; _pos; \ - _pos = list_entry(_pos->_member.next, typeof(*_pos), _member, _list)) + for (; _pos; _pos = list_next_entry(_list, _pos, _member)) + #define STATIC_LIST(_list) static struct list _list = { \ .head = { \ -- 2.39.2