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Merge pull request #1605 from pansila/master 

Add list iterators over list elements
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朱天龙 (Armink) 2018-07-11 17:56:26 +08:00 committed by GitHub
parent f94cae3680 754b363839
commit 5719a3db3a
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1 changed files with 26 additions and 0 deletions
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include/rtservice.h
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@ -140,6 +140,24 @@ rt_inline unsigned int rt_list_len(const rt_list_t *l)
#define rt_list_entry(node, type, member) \
rt_container_of(node, type, member)
/**
* rt_list_for_each - iterate over a list
* @pos: the rt_list_t * to use as a loop cursor.
* @head: the head for your list.
*/
#define rt_list_for_each(pos, head) \
for (pos = (head)->next; pos != (head); pos = pos->next)
/**
* rt_list_for_each_safe - iterate over a list safe against removal of list entry
* @pos: the rt_list_t * to use as a loop cursor.
* @n: another rt_list_t * to use as temporary storage
* @head: the head for your list.
*/
#define rt_list_for_each_safe(pos, n, head) \
for (pos = (head)->next, n = pos->next; pos != (head); \
pos = n, n = pos->next)
/**
* rt_list_for_each_entry - iterate over list of given type
* @pos: the type * to use as a loop cursor.
@ -254,6 +272,14 @@ rt_inline int rt_slist_isempty(rt_slist_t *l)
#define rt_slist_entry(node, type, member) \
rt_container_of(node, type, member)
/**
* rt_slist_for_each - iterate over a single list
* @pos: the rt_slist_t * to use as a loop cursor.
* @head: the head for your single list.
*/
#define rt_slist_for_each(pos, head) \
for (pos = (head)->next; pos != RT_NULL; pos = pos->next)
/**
* rt_slist_for_each_entry - iterate over single list of given type
* @pos: the type * to use as a loop cursor.