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)) pump-back net-next plumbingsTobias Klauser

path: root/tools/gpio/gpio-utils.h

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