mcabber/src/list.h
changeset 822 0dbb2be10975
parent 821 8c64874c449e
child 823 19c615fd071e
--- a/mcabber/src/list.h	Sun Apr 23 09:53:28 2006 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,215 +0,0 @@
-#ifndef _LINUX_LIST_H
-#define _LINUX_LIST_H
-
-/*
- * Simple doubly linked list implementation.
- *
- * Some of the internal functions ("__xxx") are useful when
- * manipulating whole lists rather than single entries, as
- * sometimes we already know the next/prev entries and we can
- * generate better code by using them directly rather than
- * using the generic single-entry routines.
- */
-
-struct list_head {
-  struct list_head *next, *prev;
-};
-
-#define LIST_HEAD_INIT(name) { &(name), &(name) }
-
-#define LIST_HEAD(name) \
-	struct list_head name = LIST_HEAD_INIT(name)
-
-#define INIT_LIST_HEAD(ptr) do { \
-	(ptr)->next = (ptr); (ptr)->prev = (ptr); \
-} while (0)
-
-/*
- * Insert a new entry between two known consecutive entries.
- *
- * This is only for internal list manipulation where we know
- * the prev/next entries already!
- */
-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;
-}
-
-/**
- * list_add - add a new entry
- * @new: new entry to be added
- * @head: list head to add it after
- *
- * 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)
-{
-  __list_add(new, head, head->next);
-}
-
-/**
- * list_add_tail - add a new entry
- * @new: new entry to be added
- * @head: list head to add it before
- *
- * 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)
-{
-  __list_add(new, head->prev, head);
-}
-
-/*
- * Delete a list entry by making the prev/next entries
- * point to each other.
- *
- * This is only for internal list manipulation where we know
- * the prev/next entries already!
- */
-static inline void
-__list_del(struct list_head *prev, struct list_head *next)
-{
-  next->prev = prev;
-  prev->next = next;
-}
-
-/**
- * list_del - deletes entry from list.
- * @entry: the element to delete from the list.
- * Note: list_empty on entry does not return true after this, the entry is
- *       in an undefined state.
- */
-static inline void list_del(struct list_head *entry)
-{
-  __list_del(entry->prev, entry->next);
-  entry->next = (void *) 0;
-  entry->prev = (void *) 0;
-}
-
-/**
- * list_del_init - deletes entry from list and reinitialize it.
- * @entry: the element to delete from the list.
- */
-static inline void list_del_init(struct list_head *entry)
-{
-  __list_del(entry->prev, entry->next);
-  INIT_LIST_HEAD(entry);
-}
-
-/**
- * list_move - delete from one list and add as another's head
- * @list: the entry to move
- * @head: the head that will precede our entry
- */
-static inline void
-list_move(struct list_head *list, struct list_head *head)
-{
-  __list_del(list->prev, list->next);
-  list_add(list, head);
-}
-
-/**
- * list_move_tail - delete from one list and add as another's tail
- * @list: the entry to move
- * @head: the head that will follow our entry
- */
-static inline void
-list_move_tail(struct list_head *list, struct list_head *head)
-{
-  __list_del(list->prev, list->next);
-  list_add_tail(list, head);
-}
-
-/**
- * list_empty - test whether a list is empty
- * @head: the list to test.
- */
-static inline int list_empty(struct list_head *head)
-{
-  return head->next == head;
-}
-
-static inline void
-__list_splice(struct list_head *list, struct list_head *head)
-{
-  struct list_head *first = list->next;
-  struct list_head *last = list->prev;
-  struct list_head *at = head->next;
-
-  first->prev = head;
-  head->next = first;
-
-  last->next = at;
-  at->prev = last;
-}
-
-/**
- * list_splice - join two lists
- * @list: the new list to add.
- * @head: the place to add it in the first list.
- */
-static inline void
-list_splice(struct list_head *list, struct list_head *head)
-{
-  if (!list_empty(list))
-    __list_splice(list, head);
-}
-
-/**
- * list_splice_init - join two lists and reinitialise the emptied list.
- * @list: the new list to add.
- * @head: the place to add it in the first list.
- *
- * The list at @list is reinitialised
- */
-static inline void
-list_splice_init(struct list_head *list, struct list_head *head)
-{
-  if (!list_empty(list)) {
-    __list_splice(list, head);
-    INIT_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_struct within the struct.
- */
-#define list_entry(ptr, type, member) \
-	((type *)((char *)(ptr)-(unsigned long)(&((type *)0)->member)))
-
-/**
- * list_for_each_safe - iterate over a list safe against removal of list entry
- * @pos:	the &struct list_head to use as a loop counter.
- * @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_for_each_entry_safe - iterate over list of given type safe against
- *                            removal of list entry
- * @pos:	the type * to use as a loop counter.
- * @n:		another type * to use as temporary storage
- * @head:	the head for your list.
- * @member:	the name of the list_struct within the struct.
- */
-#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