From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- tools/firewire/list.h | 63 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 tools/firewire/list.h (limited to 'tools/firewire/list.h') diff --git a/tools/firewire/list.h b/tools/firewire/list.h new file mode 100644 index 0000000000..6278d08e99 --- /dev/null +++ b/tools/firewire/list.h @@ -0,0 +1,63 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +struct list { + struct list *next, *prev; +}; + +static inline void +list_init(struct list *list) +{ + list->next = list; + list->prev = list; +} + +static inline int +list_empty(struct list *list) +{ + return list->next == list; +} + +static inline void +list_insert(struct list *link, struct list *new_link) +{ + new_link->prev = link->prev; + new_link->next = link; + new_link->prev->next = new_link; + new_link->next->prev = new_link; +} + +static inline void +list_append(struct list *list, struct list *new_link) +{ + list_insert((struct list *)list, new_link); +} + +static inline void +list_prepend(struct list *list, struct list *new_link) +{ + list_insert(list->next, new_link); +} + +static inline void +list_remove(struct list *link) +{ + link->prev->next = link->next; + link->next->prev = link->prev; +} + +#define list_entry(link, type, member) \ + ((type *)((char *)(link)-(unsigned long)(&((type *)0)->member))) + +#define list_head(list, type, member) \ + list_entry((list)->next, type, member) + +#define list_tail(list, type, member) \ + list_entry((list)->prev, type, member) + +#define list_next(elm, member) \ + list_entry((elm)->member.next, typeof(*elm), member) + +#define list_for_each_entry(pos, list, member) \ + for (pos = list_head(list, typeof(*pos), member); \ + &pos->member != (list); \ + pos = list_next(pos, member)) + -- cgit v1.2.3