diff options
Diffstat (limited to 'common/usb_slist.h')
| -rw-r--r-- | common/usb_slist.h | 246 |
1 files changed, 0 insertions, 246 deletions
diff --git a/common/usb_slist.h b/common/usb_slist.h deleted file mode 100644 index 30b08538..00000000 --- a/common/usb_slist.h +++ /dev/null @@ -1,246 +0,0 @@ -/**
- * @file usb_slist.h
- * @brief
- *
- * Copyright (c) 2022 sakumisu
- *
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership. The
- * ASF licenses this file to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance with the
- * License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations
- * under the License.
- *
- */
-#ifndef __USB_SLIST_H__
-#define __USB_SLIST_H__
-
-#include <string.h>
-#include <stdint.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/**
- * usb_container_of - return the member address of ptr, if the type of ptr is the
- * struct type.
- */
-#define usb_container_of(ptr, type, member) \
- ((type *)((char *)(ptr) - (unsigned long)(&((type *)0)->member)))
-
-/**
- * Single List structure
- */
-struct usb_slist_node {
- struct usb_slist_node *next; /**< point to next node. */
-};
-typedef struct usb_slist_node usb_slist_t; /**< Type for single list. */
-
-/**
- * @brief initialize a single list
- *
- * @param l the single list to be initialized
- */
-static inline void usb_slist_init(usb_slist_t *l)
-{
- l->next = NULL;
-}
-
-static inline void usb_slist_add_head(usb_slist_t *l, usb_slist_t *n)
-{
- n->next = l->next;
- l->next = n;
-}
-
-static inline void usb_slist_add_tail(usb_slist_t *l, usb_slist_t *n)
-{
- while (l->next) {
- l = l->next;
- }
-
- /* append the node to the tail */
- l->next = n;
- n->next = NULL;
-}
-
-static inline void usb_slist_insert(usb_slist_t *l, usb_slist_t *next, usb_slist_t *n)
-{
- if (!next) {
- usb_slist_add_tail(next, l);
- return;
- }
-
- while (l->next) {
- if (l->next == next) {
- l->next = n;
- n->next = next;
- }
-
- l = l->next;
- }
-}
-
-static inline usb_slist_t *usb_slist_remove(usb_slist_t *l, usb_slist_t *n)
-{
- /* remove slist head */
- while (l->next && l->next != n) {
- l = l->next;
- }
-
- /* remove node */
- if (l->next != (usb_slist_t *)0) {
- l->next = l->next->next;
- }
-
- return l;
-}
-
-static inline unsigned int usb_slist_len(const usb_slist_t *l)
-{
- unsigned int len = 0;
- const usb_slist_t *list = l->next;
-
- while (list != NULL) {
- list = list->next;
- len++;
- }
-
- return len;
-}
-
-static inline unsigned int usb_slist_contains(usb_slist_t *l, usb_slist_t *n)
-{
- while (l->next) {
- if (l->next == n) {
- return 0;
- }
-
- l = l->next;
- }
-
- return 1;
-}
-
-static inline usb_slist_t *usb_slist_head(usb_slist_t *l)
-{
- return l->next;
-}
-
-static inline usb_slist_t *usb_slist_tail(usb_slist_t *l)
-{
- while (l->next) {
- l = l->next;
- }
-
- return l;
-}
-
-static inline usb_slist_t *usb_slist_next(usb_slist_t *n)
-{
- return n->next;
-}
-
-static inline int usb_slist_isempty(usb_slist_t *l)
-{
- return l->next == NULL;
-}
-
-/**
- * @brief initialize a slist object
- */
-#define USB_SLIST_OBJECT_INIT(object) \
- { \
- NULL \
- }
-
-/**
- * @brief initialize a slist object
- */
-#define USB_SLIST_DEFINE(slist) \
- usb_slist_t slist = { NULL }
-
-/**
- * @brief get the struct for this single list node
- * @param node the entry point
- * @param type the type of structure
- * @param member the name of list in structure
- */
-#define usb_slist_entry(node, type, member) \
- usb_container_of(node, type, member)
-
-/**
- * usb_slist_first_entry - get the first element from a slist
- * @ptr: the slist head to take the element from.
- * @type: the type of the struct this is embedded in.
- * @member: the name of the slist_struct within the struct.
- *
- * Note, that slist is expected to be not empty.
- */
-#define usb_slist_first_entry(ptr, type, member) \
- usb_slist_entry((ptr)->next, type, member)
-
-/**
- * usb_slist_tail_entry - get the tail element from a slist
- * @ptr: the slist head to take the element from.
- * @type: the type of the struct this is embedded in.
- * @member: the name of the slist_struct within the struct.
- *
- * Note, that slist is expected to be not empty.
- */
-#define usb_slist_tail_entry(ptr, type, member) \
- usb_slist_entry(usb_slist_tail(ptr), type, member)
-
-/**
- * usb_slist_first_entry_or_null - get the first element from a slist
- * @ptr: the slist head to take the element from.
- * @type: the type of the struct this is embedded in.
- * @member: the name of the slist_struct within the struct.
- *
- * Note, that slist is expected to be not empty.
- */
-#define usb_slist_first_entry_or_null(ptr, type, member) \
- (usb_slist_isempty(ptr) ? NULL : usb_slist_first_entry(ptr, type, member))
-
-/**
- * usb_slist_for_each - iterate over a single list
- * @pos: the usb_slist_t * to use as a loop cursor.
- * @head: the head for your single list.
- */
-#define usb_slist_for_each(pos, head) \
- for (pos = (head)->next; pos != NULL; pos = pos->next)
-
-#define usb_slist_for_each_safe(pos, next, head) \
- for (pos = (head)->next, next = pos->next; pos; \
- pos = next, next = pos->next)
-
-/**
- * usb_slist_for_each_entry - iterate over single list of given type
- * @pos: the type * to use as a loop cursor.
- * @head: the head for your single list.
- * @member: the name of the list_struct within the struct.
- */
-#define usb_slist_for_each_entry(pos, head, member) \
- for (pos = usb_slist_entry((head)->next, typeof(*pos), member); \
- &pos->member != (NULL); \
- pos = usb_slist_entry(pos->member.next, typeof(*pos), member))
-
-#define usb_slist_for_each_entry_safe(pos, n, head, member) \
- for (pos = usb_slist_entry((head)->next, typeof(*pos), member), \
- n = usb_slist_entry(pos->member.next, typeof(*pos), member); \
- &pos->member != (NULL); \
- pos = n, n = usb_slist_entry(pos->member.next, typeof(*pos), member))
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
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