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add list_empty to linked list primitives

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Signed-off-by: Alex Burmashev <alexander.burmashev@oracle.com>
This commit is contained in:
Alex Burmashev 2021-02-16 07:07:14 -05:00 committed by Peter Jones
parent 0287b5a864
commit e6a7fc11a4
1 changed files with 6 additions and 0 deletions
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6
include/list.h
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@ -32,6 +32,12 @@ typedef struct list_head list_t;
(ptr)->prev = (ptr); \ (ptr)->prev = (ptr); \
}) })
static inline int
list_empty(const struct list_head *head)
{
return head->next == head;
}
static inline void static inline void
__list_add(struct list_head *new, struct list_head *prev, __list_add(struct list_head *new, struct list_head *prev,
struct list_head *next) struct list_head *next)