diff options
Diffstat (limited to 'os/hal/include/usbh/list.h')
| -rw-r--r-- | os/hal/include/usbh/list.h | 352 |
1 files changed, 172 insertions, 180 deletions
diff --git a/os/hal/include/usbh/list.h b/os/hal/include/usbh/list.h index 4eceacd..cdcca04 100644 --- a/os/hal/include/usbh/list.h +++ b/os/hal/include/usbh/list.h @@ -7,11 +7,8 @@ #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
#endif
-#define container_of(ptr, type, member) ((type *)(void *)((char *)(ptr) - offsetof(type, member)))
#ifndef container_of
-#define container_of(ptr, type, member) ({ \
- const typeof(((type *)0)->member) * __mptr = (ptr); \
- (type *)((char *)__mptr - offsetof(type, member)); })
+#define container_of(ptr, type, member) ((type *)(void *)((char *)(ptr) - offsetof(type, member)))
#endif
/*
@@ -44,21 +41,15 @@ static inline void INIT_LIST_HEAD(struct list_head *list) * This is only for internal list manipulation where we know
* the prev/next entries already!
*/
-#ifndef CONFIG_DEBUG_LIST
-static inline void __list_add(struct list_head *new,
+static inline void __list_add(struct list_head *_new,
struct list_head *prev,
struct list_head *next)
{
- next->prev = new;
- new->next = next;
- new->prev = prev;
- prev->next = new;
+ next->prev = _new;
+ _new->next = next;
+ _new->prev = prev;
+ prev->next = _new;
}
-#else
-extern void __list_add(struct list_head *new,
- struct list_head *prev,
- struct list_head *next);
-#endif
/**
* list_add - add a new entry
@@ -68,9 +59,9 @@ extern void __list_add(struct list_head *new, * Insert a new entry after the specified head.
* This is good for implementing stacks.
*/
-static inline void list_add(struct list_head *new, struct list_head *head)
+static inline void list_add(struct list_head *_new, struct list_head *head)
{
- __list_add(new, head, head->next);
+ __list_add(_new, head, head->next);
}
@@ -82,9 +73,9 @@ static inline void list_add(struct list_head *new, struct list_head *head) * Insert a new entry before the specified head.
* This is useful for implementing queues.
*/
-static inline void list_add_tail(struct list_head *new, struct list_head *head)
+static inline void list_add_tail(struct list_head *_new, struct list_head *head)
{
- __list_add(new, head->prev, head);
+ __list_add(_new, head->prev, head);
}
/*
@@ -106,7 +97,7 @@ static inline void __list_del(struct list_head * prev, struct list_head * next) * Note: list_empty() on entry does not return true after this, the entry is
* in an undefined state.
*/
-#ifndef CONFIG_DEBUG_LIST
+
static inline void __list_del_entry(struct list_head *entry)
{
__list_del(entry->prev, entry->next);
@@ -115,35 +106,6 @@ static inline void __list_del_entry(struct list_head *entry) static inline void list_del(struct list_head *entry)
{
__list_del(entry->prev, entry->next);
- // entry->next = LIST_POISON1;
- // entry->prev = LIST_POISON2;
-}
-#else
-extern void __list_del_entry(struct list_head *entry);
-extern void list_del(struct list_head *entry);
-#endif
-
-/**
- * list_replace - replace old entry by new one
- * @old : the element to be replaced
- * @new : the new element to insert
- *
- * If @old was empty, it will be overwritten.
- */
-static inline void list_replace(struct list_head *old,
- struct list_head *new)
-{
- new->next = old->next;
- new->next->prev = new;
- new->prev = old->prev;
- new->prev->next = new;
-}
-
-static inline void list_replace_init(struct list_head *old,
- struct list_head *new)
-{
- list_replace(old, new);
- INIT_LIST_HEAD(old);
}
/**
@@ -157,26 +119,159 @@ static inline void list_del_init(struct list_head *entry) }
/**
- * list_move - delete from one list and add as another's head
+ * list_move_tail - delete from one list and add as another's tail
* @list: the entry to move
- * @head: the head that will precede our entry
+ * @head: the head that will follow our entry
*/
-static inline void list_move(struct list_head *list, struct list_head *head)
+static inline void list_move_tail(struct list_head *list,
+ struct list_head *head)
{
__list_del_entry(list);
- list_add(list, head);
+ list_add_tail(list, head);
}
+
/**
- * list_move_tail - delete from one list and add as another's tail
+ * list_empty - tests whether a list is empty
+ * @head: the list to test.
+ */
+static inline int list_empty(const struct list_head *head)
+{
+ return head->next == head;
+}
+
+/**
+ * list_entry - get the struct for this entry
+ * @ptr: the &struct list_head pointer.
+ * @type: the type of the struct this is embedded in.
+ * @member: the name of the list_head within the struct.
+ */
+#define list_entry(ptr, type, member) \
+ container_of(ptr, type, member)
+
+/**
+ * list_first_entry - get the first element from a list
+ * @ptr: the list head to take the element from.
+ * @type: the type of the struct this is embedded in.
+ * @member: the name of the list_head within the struct.
+ *
+ * Note, that list is expected to be not empty.
+ */
+#define list_first_entry(ptr, type, member) \
+ list_entry((ptr)->next, type, member)
+
+/**
+ * list_next_entry - get the next element in list
+ * @pos: the type * to cursor
+ * @member: the name of the list_head within the struct.
+ */
+#define list_next_entry(pos, type, member) \
+ list_entry((pos)->member.next, type, member)
+
+/**
+ * list_for_each_entry - iterate over list of given type
+ * @pos: the type * to use as a loop cursor.
+ * @head: the head for your list.
+ * @member: the name of the list_head within the struct.
+ */
+#define list_for_each_entry(pos, type, head, member) \
+ for (pos = list_first_entry(head, type, member); \
+ &pos->member != (head); \
+ pos = list_next_entry(pos, type, member))
+
+
+/**
+ * list_for_each_entry_safe - iterate over list of given type safe against removal of list entry
+ * @pos: the type * to use as a loop cursor.
+ * @n: another type * to use as temporary storage
+ * @head: the head for your list.
+ * @member: the name of the list_head within the struct.
+ */
+#define list_for_each_entry_safe(pos, type, n, head, member) \
+ for (pos = list_first_entry(head, type, member), \
+ n = list_next_entry(pos, type, member); \
+ &pos->member != (head); \
+ pos = n, n = list_next_entry(n, type, member))
+
+#if 0
+
+/**
+ * list_for_each - iterate over a list
+ * @pos: the &struct list_head to use as a loop cursor.
+ * @head: the head for your list.
+ */
+#define list_for_each(pos, head) \
+ for (pos = (head)->next; pos != (head); pos = pos->next)
+
+/**
+ * list_for_each_safe - iterate over a list safe against removal of list entry
+ * @pos: the &struct list_head to use as a loop cursor.
+ * @n: another &struct list_head to use as temporary storage
+ * @head: the head for your list.
+ */
+#define list_for_each_safe(pos, n, head) \
+ for (pos = (head)->next, n = pos->next; pos != (head); \
+ pos = n, n = pos->next)
+
+/**
+ * list_prev_entry - get the prev element in list
+ * @pos: the type * to cursor
+ * @member: the name of the list_head within the struct.
+ */
+#define list_prev_entry(pos, type, member) \
+ list_entry((pos)->member.prev, type, member)
+
+/**
+ * list_for_each_prev - iterate over a list backwards
+ * @pos: the &struct list_head to use as a loop cursor.
+ * @head: the head for your list.
+ */
+#define list_for_each_prev(pos, head) \
+ for (pos = (head)->prev; pos != (head); pos = pos->prev)
+
+/**
+ * list_for_each_prev_safe - iterate over a list backwards safe against removal of list entry
+ * @pos: the &struct list_head to use as a loop cursor.
+ * @n: another &struct list_head to use as temporary storage
+ * @head: the head for your list.
+ */
+#define list_for_each_prev_safe(pos, n, head) \
+ for (pos = (head)->prev, n = pos->prev; \
+ pos != (head); \
+ pos = n, n = pos->prev)
+
+/**
+ * list_last_entry - get the last element from a list
+ * @ptr: the list head to take the element from.
+ * @type: the type of the struct this is embedded in.
+ * @member: the name of the list_head within the struct.
+ *
+ * Note, that list is expected to be not empty.
+ */
+#define list_last_entry(ptr, type, member) \
+ list_entry((ptr)->prev, type, member)
+
+/**
+ * list_first_entry_or_null - get the first element from a list
+ * @ptr: the list head to take the element from.
+ * @type: the type of the struct this is embedded in.
+ * @member: the name of the list_head within the struct.
+ *
+ * Note that if the list is empty, it returns NULL.
+ */
+#define list_first_entry_or_null(ptr, type, member) \
+ (!list_empty(ptr) ? list_first_entry(ptr, type, member) : NULL)
+
+
+/**
+ * list_move - delete from one list and add as another's head
* @list: the entry to move
- * @head: the head that will follow our entry
+ * @head: the head that will precede our entry
*/
-static inline void list_move_tail(struct list_head *list,
- struct list_head *head)
+static inline void list_move(struct list_head *list, struct list_head *head)
{
__list_del_entry(list);
- list_add_tail(list, head);
+ list_add(list, head);
}
/**
@@ -191,15 +286,6 @@ static inline int list_is_last(const struct list_head *list, }
/**
- * list_empty - tests whether a list is empty
- * @head: the list to test.
- */
-static inline int list_empty(const struct list_head *head)
-{
- return head->next == head;
-}
-
-/**
* list_empty_careful - tests whether a list is empty and not being modified
* @head: the list to test
*
@@ -353,110 +439,28 @@ static inline void list_splice_tail_init(struct list_head *list, }
/**
- * list_entry - get the struct for this entry
- * @ptr: the &struct list_head pointer.
- * @type: the type of the struct this is embedded in.
- * @member: the name of the list_head within the struct.
- */
-#define list_entry(ptr, type, member) \
- container_of(ptr, type, member)
-
-/**
- * list_first_entry - get the first element from a list
- * @ptr: the list head to take the element from.
- * @type: the type of the struct this is embedded in.
- * @member: the name of the list_head within the struct.
- *
- * Note, that list is expected to be not empty.
- */
-#define list_first_entry(ptr, type, member) \
- list_entry((ptr)->next, type, member)
-
-/**
- * list_last_entry - get the last element from a list
- * @ptr: the list head to take the element from.
- * @type: the type of the struct this is embedded in.
- * @member: the name of the list_head within the struct.
- *
- * Note, that list is expected to be not empty.
- */
-#define list_last_entry(ptr, type, member) \
- list_entry((ptr)->prev, type, member)
-
-/**
- * list_first_entry_or_null - get the first element from a list
- * @ptr: the list head to take the element from.
- * @type: the type of the struct this is embedded in.
- * @member: the name of the list_head within the struct.
+ * list_replace - replace old entry by new one
+ * @old : the element to be replaced
+ * @new : the new element to insert
*
- * Note that if the list is empty, it returns NULL.
- */
-#define list_first_entry_or_null(ptr, type, member) \
- (!list_empty(ptr) ? list_first_entry(ptr, type, member) : NULL)
-
-/**
- * list_next_entry - get the next element in list
- * @pos: the type * to cursor
- * @member: the name of the list_head within the struct.
- */
-#define list_next_entry(pos, type, member) \
- list_entry((pos)->member.next, type, member)
-
-/**
- * list_prev_entry - get the prev element in list
- * @pos: the type * to cursor
- * @member: the name of the list_head within the struct.
- */
-#define list_prev_entry(pos, type, member) \
- list_entry((pos)->member.prev, type, member)
-
-/**
- * list_for_each - iterate over a list
- * @pos: the &struct list_head to use as a loop cursor.
- * @head: the head for your list.
- */
-#define list_for_each(pos, head) \
- for (pos = (head)->next; pos != (head); pos = pos->next)
-
-/**
- * list_for_each_prev - iterate over a list backwards
- * @pos: the &struct list_head to use as a loop cursor.
- * @head: the head for your list.
- */
-#define list_for_each_prev(pos, head) \
- for (pos = (head)->prev; pos != (head); pos = pos->prev)
-
-/**
- * list_for_each_safe - iterate over a list safe against removal of list entry
- * @pos: the &struct list_head to use as a loop cursor.
- * @n: another &struct list_head to use as temporary storage
- * @head: the head for your list.
+ * If @old was empty, it will be overwritten.
*/
-#define list_for_each_safe(pos, n, head) \
- for (pos = (head)->next, n = pos->next; pos != (head); \
- pos = n, n = pos->next)
+static inline void list_replace(struct list_head *old,
+ struct list_head *_new)
+{
+ _new->next = old->next;
+ _new->next->prev = _new;
+ _new->prev = old->prev;
+ _new->prev->next = _new;
+}
-/**
- * list_for_each_prev_safe - iterate over a list backwards safe against removal of list entry
- * @pos: the &struct list_head to use as a loop cursor.
- * @n: another &struct list_head to use as temporary storage
- * @head: the head for your list.
- */
-#define list_for_each_prev_safe(pos, n, head) \
- for (pos = (head)->prev, n = pos->prev; \
- pos != (head); \
- pos = n, n = pos->prev)
+static inline void list_replace_init(struct list_head *old,
+ struct list_head *_new)
+{
+ list_replace(old, _new);
+ INIT_LIST_HEAD(old);
+}
-/**
- * list_for_each_entry - iterate over list of given type
- * @pos: the type * to use as a loop cursor.
- * @head: the head for your list.
- * @member: the name of the list_head within the struct.
- */
-#define list_for_each_entry(pos, type, head, member) \
- for (pos = list_first_entry(head, type, member); \
- &pos->member != (head); \
- pos = list_next_entry(pos, type, member))
/**
* list_for_each_entry_reverse - iterate backwards over list of given type.
@@ -521,19 +525,6 @@ static inline void list_splice_tail_init(struct list_head *list, pos = list_next_entry(pos, type, member))
/**
- * list_for_each_entry_safe - iterate over list of given type safe against removal of list entry
- * @pos: the type * to use as a loop cursor.
- * @n: another type * to use as temporary storage
- * @head: the head for your list.
- * @member: the name of the list_head within the struct.
- */
-#define list_for_each_entry_safe(pos, type, n, head, member) \
- for (pos = list_first_entry(head, type, member), \
- n = list_next_entry(pos, type, member); \
- &pos->member != (head); \
- pos = n, n = list_next_entry(n, type, member))
-
-/**
* list_for_each_entry_safe_continue - continue list iteration safe against removal
* @pos: the type * to use as a loop cursor.
* @n: another type * to use as temporary storage
@@ -594,5 +585,6 @@ static inline void list_splice_tail_init(struct list_head *list, */
#define list_safe_reset_next(pos, type, n, member) \
n = list_next_entry(pos, type, member)
+#endif
#endif /* USBH_LIST_H_ */
|