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Commit f8a1089a authored by Samuel Ortiz's avatar Samuel Ortiz Committed by Yong Yao
Browse files

Add list_add_head to libcutils 



Adds a node to the head of the linked list.

Change-Id: I03fc81f348c5c4fdab8680928b6e353413e4bc3c
Signed-off-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
Signed-off-by: default avatarYong Yao <yong.yao@intel.com>
parent 905874ab

include/cutils/list.h

+8 −0
Original line number Diff line number Diff line
@@ -63,6 +63,14 @@ static inline void list_add_tail(struct listnode *head, struct listnode *item) 
    head->prev = item;

}



static inline void list_add_head(struct listnode *head, struct listnode *item)

{

    item->next = head->next;

    item->prev = head;

    head->next->prev = item;

    head->next = item;

}



static inline void list_remove(struct listnode *item)

{

    item->next->prev = item->prev;