mirrors/alsa-lib
1
0
Fork 0
mirror of https://github.com/alsa-project/alsa-lib.git synced 2026-02-05 04:06:34 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

include: list.h - add list_splice() and list_splice_init() functions

Browse source 
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2025-11-18 14:37:45 +01:00
parent fd719bb122
commit a525015e3b
1 changed files with 35 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

35
include/list.h
View file

@ -114,4 +114,39 @@ static inline int list_empty(const struct list_head *p)
return p->next == p;
}
/* list_splice - join two lists
* @list: the new list to add
* @head: the place to add it in the first list
*/
static inline void list_splice(const struct list_head *list,
struct list_head *head)
{
if (!list_empty(list)) {
struct list_head *first = list->next;
struct list_head *last = list->prev;
struct list_head *at = head->next;
first->prev = head;
head->next = first;
last->next = at;
at->prev = last;
}
}
/* list_splice_init - join two lists and reinitialize the emptied list
* @list: the new list to add
* @head: the place to add it in the first list
*
* The list at @list is reinitialized
*/
static inline void list_splice_init(struct list_head *list,
struct list_head *head)
{
if (!list_empty(list)) {
list_splice(list, head);
INIT_LIST_HEAD(list);
}
}
#endif /* _LIST_H */