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list: add more helpers

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This commit is contained in:
Wim Taymans 2018-02-06 09:25:27 +01:00
parent d14c7abe11
commit c524fae523
1 changed files with 21 additions and 15 deletions
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36
spa/include/spa/utils/list.h
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@ -70,25 +70,31 @@ static inline void spa_list_remove(struct spa_list *elem)
spa_list_insert((list)->prev, item); spa_list_insert((list)->prev, item);
#define spa_list_prepend(list, item) \ #define spa_list_prepend(list, item) \
spa_list_insert(list, item); spa_list_insert(list, item)
#define spa_list_for_each_next(pos, head, curr, member) \ #define spa_list_is_end(pos, head, member) \
for (pos = SPA_CONTAINER_OF((curr)->next, __typeof__(*pos), member); \ (&(pos)->member == (head))
&pos->member != (head); \
pos = SPA_CONTAINER_OF(pos->member.next, __typeof__(*pos), member))
#define spa_list_for_each(pos, head, member) \ #define spa_list_next(pos, member) \
spa_list_for_each_next(pos, head, head, member) \ SPA_CONTAINER_OF((pos)->member.next, __typeof__(*pos), member)
#define spa_list_for_each_safe_next(pos, tmp, head, curr, member) \ #define spa_list_for_each_next(pos, head, curr, member) \
for (pos = SPA_CONTAINER_OF((curr)->next, __typeof__(*pos), member), \ for (pos = spa_list_first(curr, __typeof__(*pos), member); \
tmp = SPA_CONTAINER_OF((pos)->member.next, __typeof__(*tmp), member); \ !spa_list_is_end(pos, head, member); \
&pos->member != (head); \ pos = spa_list_next(pos, member))
pos = tmp, \
tmp = SPA_CONTAINER_OF(pos->member.next, __typeof__(*tmp), member))
#define spa_list_for_each_safe(pos, tmp, head, member) \ #define spa_list_for_each(pos, head, member) \
spa_list_for_each_safe_next(pos, tmp, head, head, member) \ spa_list_for_each_next(pos, head, head, member) \
#define spa_list_for_each_safe_next(pos, tmp, head, curr, member) \
for (pos = spa_list_first(curr, __typeof__(*pos), member), \
tmp = spa_list_next(pos, member); \
!spa_list_is_end(pos, head, member); \
pos = tmp, \
tmp = spa_list_next(pos, member))
#define spa_list_for_each_safe(pos, tmp, head, member) \
spa_list_for_each_safe_next(pos, tmp, head, head, member) \
#ifdef __cplusplus #ifdef __cplusplus
} /* extern "C" */ } /* extern "C" */