Blame view
tools/firewire/list.h
1.33 KB
b24413180 License cleanup: ... |
1 |
/* SPDX-License-Identifier: GPL-2.0 */ |
9f6d3c4b7 tools/firewire: a... |
2 |
struct list { |
92c16f7e9 tools/firewire: n... |
3 |
struct list *next, *prev; |
9f6d3c4b7 tools/firewire: a... |
4 5 6 7 8 |
}; static inline void list_init(struct list *list) { |
92c16f7e9 tools/firewire: n... |
9 10 |
list->next = list; list->prev = list; |
9f6d3c4b7 tools/firewire: a... |
11 12 13 14 15 |
} static inline int list_empty(struct list *list) { |
92c16f7e9 tools/firewire: n... |
16 |
return list->next == list; |
9f6d3c4b7 tools/firewire: a... |
17 18 19 20 21 |
} static inline void list_insert(struct list *link, struct list *new_link) { |
92c16f7e9 tools/firewire: n... |
22 23 24 25 |
new_link->prev = link->prev; new_link->next = link; new_link->prev->next = new_link; new_link->next->prev = new_link; |
9f6d3c4b7 tools/firewire: a... |
26 27 28 29 30 |
} static inline void list_append(struct list *list, struct list *new_link) { |
92c16f7e9 tools/firewire: n... |
31 |
list_insert((struct list *)list, new_link); |
9f6d3c4b7 tools/firewire: a... |
32 33 34 35 36 |
} static inline void list_prepend(struct list *list, struct list *new_link) { |
92c16f7e9 tools/firewire: n... |
37 |
list_insert(list->next, new_link); |
9f6d3c4b7 tools/firewire: a... |
38 39 40 41 42 |
} static inline void list_remove(struct list *link) { |
92c16f7e9 tools/firewire: n... |
43 44 |
link->prev->next = link->next; link->next->prev = link->prev; |
9f6d3c4b7 tools/firewire: a... |
45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 |
} #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)) |