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add function fc_list_add_before

pull/37/head
YuQing 2020-05-02 21:12:51 +08:00
parent 73dba84e82
commit e86767c120
1 changed files with 11 additions and 2 deletions
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13
src/fc_list.h
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@ -25,7 +25,6 @@ fc_list_add (struct fc_list_head *_new, struct fc_list_head *head)
_new->next->prev = _new;
}
static inline void
fc_list_add_tail (struct fc_list_head *_new, struct fc_list_head *head)
{
@ -37,7 +36,17 @@ fc_list_add_tail (struct fc_list_head *_new, struct fc_list_head *head)
}
static inline void
fc_list_add_internal(struct fc_list_head *_new, struct fc_list_head *prev,
fc_list_add_before (struct fc_list_head *_new, struct fc_list_head *current)
{
_new->prev = current->prev;
_new->next = current;
_new->prev->next = _new;
_new->next->prev = _new;
}
static inline void
fc_list_add_internal (struct fc_list_head *_new, struct fc_list_head *prev,
struct fc_list_head *next)
{
next->prev = _new;