/* * Simple doubly linked list, based on the Linux kernel linked list. * * Copyright (C) 2015 Tobias Klauser * * This file is part of llmnrd. * * llmnrd is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, version 2 of the License. * * llmnrd is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with llmnrd. If not, see . */ #ifndef LIST_H #define LIST_H #include #include "compiler.h" struct list_head { struct list_head *next, *prev; }; static inline void INIT_LIST_HEAD(struct list_head *list) { list->next = list; list->prev = list; } static inline void __list_add(struct list_head *obj, struct list_head *prev, struct list_head *next) { prev->next = obj; obj->prev = prev; obj->next = next; next->prev = obj; } static inline void list_add_tail(struct list_head *obj, struct list_head *head) { __list_add(obj, head->prev, head); } static inline void list_add_head(struct list_head *obj, struct list_head *head) { __list_add(obj, head, head->next); } static inline void list_del(struct list_head *obj) { obj->next->prev = obj->prev; obj->prev->next = obj->next; } static inline bool list_empty(struct list_head *head) { return head->next == head; } #define list_entry(ptr, type, member) container_of(ptr, type, member) #define list_for_each_entry(pos, head, member) \ for (pos = list_entry((head)->next, typeof(*pos), member); \ &(pos)->member != (head); \ (pos) = list_entry((pos)->member.next, typeof(*(pos)), member)) #define list_for_each_entry_safe(pos, n, head, member) \ for (pos = list_entry((head)->next, typeof(*pos), member), \ n = list_entry(pos->member.next, typeof(*pos), member); \ &(pos)->member != (head); \ pos = n, n = list_entry(n->member.next, typeof(*n), member)) #endif /* LIST_H */ iff

path: root/drivers/usb/mtu3

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