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Diffstat (limited to 'mcast/common/.svn/text-base/list.h.svn-base')
-rw-r--r-- | mcast/common/.svn/text-base/list.h.svn-base | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/mcast/common/.svn/text-base/list.h.svn-base b/mcast/common/.svn/text-base/list.h.svn-base deleted file mode 100644 index 4bb50a4..0000000 --- a/mcast/common/.svn/text-base/list.h.svn-base +++ /dev/null @@ -1,238 +0,0 @@ -/* - * (c) BayCom GmbH, http://www.baycom.de, info@baycom.de - * - * See the COPYING file for copyright information and - * how to reach the author. - * - */ - -/* - * Linked lists support - * - * Copyright (C) 2002 Alexandre Julliard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA - */ - -#ifndef __WINE_SERVER_DVBMC_LIST_H -#define __WINE_SERVER_DVBMC_LIST_H - -struct list -{ - struct list *next; - struct list *prev; -}; - -/* Define a list like so: - * - * struct gadget - * { - * struct list entry; <-- doesn't have to be the first item in the struct - * int a, b; - * }; - * - * static struct list global_gadgets = DVBMC_LIST_INIT( global_gadgets ); - * - * or - * - * struct some_global_thing - * { - * struct list gadgets; - * }; - * - * dvbmc_list_init( &some_global_thing->gadgets ); - * - * Manipulate it like this: - * - * dvbmc_list_add_head( &global_gadgets, &new_gadget->entry ); - * dvbmc_list_remove( &new_gadget->entry ); - * dvbmc_list_add_after( &some_random_gadget->entry, &new_gadget->entry ); - * - * And to iterate over it: - * - * struct gadget *gadget; - * DVBMC_LIST_FOR_EACH_ENTRY( gadget, &global_gadgets, struct gadget, entry ) - * { - * ... - * } - * - */ - -/* add an element after the specified one */ -static inline void dvbmc_list_add_after( struct list *elem, struct list *to_add ) -{ - to_add->next = elem->next; - to_add->prev = elem; - elem->next->prev = to_add; - elem->next = to_add; -} - -/* add an element before the specified one */ -static inline void dvbmc_list_add_before( struct list *elem, struct list *to_add ) -{ - to_add->next = elem; - to_add->prev = elem->prev; - elem->prev->next = to_add; - elem->prev = to_add; -} - -/* add element at the head of the list */ -static inline void dvbmc_list_add_head( struct list *list, struct list *elem ) -{ - dvbmc_list_add_after( list, elem ); -} - -/* add element at the tail of the list */ -static inline void dvbmc_list_add_tail( struct list *list, struct list *elem ) -{ - dvbmc_list_add_before( list, elem ); -} - -/* remove an element from its list */ -static inline void dvbmc_list_remove( struct list *elem ) -{ - elem->next->prev = elem->prev; - elem->prev->next = elem->next; -} - -/* get the next element */ -static inline struct list *dvbmc_list_next( const struct list *list, const struct list *elem ) -{ - struct list *ret = elem->next; - if (elem->next == list) ret = NULL; - return ret; -} - -/* get the previous element */ -static inline struct list *dvbmc_list_prev( const struct list *list, const struct list *elem ) -{ - struct list *ret = elem->prev; - if (elem->prev == list) ret = NULL; - return ret; -} - -/* get the first element */ -static inline struct list *dvbmc_list_head( const struct list *list ) -{ - return dvbmc_list_next( list, list ); -} - -/* get the last element */ -static inline struct list *dvbmc_list_tail( const struct list *list ) -{ - return dvbmc_list_prev( list, list ); -} - -/* check if a list is empty */ -static inline int dvbmc_list_empty( const struct list *list ) -{ - return list->next == list; -} - -/* initialize a list */ -static inline void dvbmc_list_init( struct list *list ) -{ - list->next = list->prev = list; -} - -/* count the elements of a list */ -static inline unsigned int dvbmc_list_count( const struct list *list ) -{ - unsigned count = 0; - const struct list *ptr; - for (ptr = list->next; ptr != list; ptr = ptr->next) count++; - return count; -} - -/* move all elements from src to the tail of dst */ -static inline void dvbmc_list_move_tail( struct list *dst, struct list *src ) -{ - if (dvbmc_list_empty(src)) return; - - dst->prev->next = src->next; - src->next->prev = dst->prev; - dst->prev = src->prev; - src->prev->next = dst; - dvbmc_list_init(src); -} - -/* move all elements from src to the head of dst */ -static inline void dvbmc_list_move_head( struct list *dst, struct list *src ) -{ - if (dvbmc_list_empty(src)) return; - - dst->next->prev = src->prev; - src->prev->next = dst->next; - dst->next = src->next; - src->next->prev = dst; - dvbmc_list_init(src); -} - -/* iterate through the list */ -#define DVBMC_LIST_FOR_EACH(cursor,list) \ - for ((cursor) = (list)->next; (cursor) != (list); (cursor) = (cursor)->next) - -/* iterate through the list, with safety against removal */ -#define DVBMC_LIST_FOR_EACH_SAFE(cursor, cursor2, list) \ - for ((cursor) = (list)->next, (cursor2) = (cursor)->next; \ - (cursor) != (list); \ - (cursor) = (cursor2), (cursor2) = (cursor)->next) - -/* iterate through the list using a list entry */ -#define DVBMC_LIST_FOR_EACH_ENTRY(elem, list, type, field) \ - for ((elem) = DVBMC_LIST_ENTRY((list)->next, type, field); \ - &(elem)->field != (list); \ - (elem) = DVBMC_LIST_ENTRY((elem)->field.next, type, field)) - -/* iterate through the list using a list entry, with safety against removal */ -#define DVBMC_LIST_FOR_EACH_ENTRY_SAFE(cursor, cursor2, list, type, field) \ - for ((cursor) = DVBMC_LIST_ENTRY((list)->next, type, field), \ - (cursor2) = DVBMC_LIST_ENTRY((cursor)->field.next, type, field); \ - &(cursor)->field != (list); \ - (cursor) = (cursor2), \ - (cursor2) = DVBMC_LIST_ENTRY((cursor)->field.next, type, field)) - -/* iterate through the list in reverse order */ -#define DVBMC_LIST_FOR_EACH_REV(cursor,list) \ - for ((cursor) = (list)->prev; (cursor) != (list); (cursor) = (cursor)->prev) - -/* iterate through the list in reverse order, with safety against removal */ -#define DVBMC_LIST_FOR_EACH_SAFE_REV(cursor, cursor2, list) \ - for ((cursor) = (list)->prev, (cursor2) = (cursor)->prev; \ - (cursor) != (list); \ - (cursor) = (cursor2), (cursor2) = (cursor)->prev) - -/* iterate through the list in reverse order using a list entry */ -#define DVBMC_LIST_FOR_EACH_ENTRY_REV(elem, list, type, field) \ - for ((elem) = DVBMC_LIST_ENTRY((list)->prev, type, field); \ - &(elem)->field != (list); \ - (elem) = DVBMC_LIST_ENTRY((elem)->field.prev, type, field)) - -/* iterate through the list in reverse order using a list entry, with safety against removal */ -#define DVBMC_LIST_FOR_EACH_ENTRY_SAFE_REV(cursor, cursor2, list, type, field) \ - for ((cursor) = DVBMC_LIST_ENTRY((list)->prev, type, field), \ - (cursor2) = DVBMC_LIST_ENTRY((cursor)->field.prev, type, field); \ - &(cursor)->field != (list); \ - (cursor) = (cursor2), \ - (cursor2) = DVBMC_LIST_ENTRY((cursor)->field.prev, type, field)) - -/* macros for statically initialized lists */ -//#define DVBMC_LIST_INIT(list) { &(list), &(list) } - -/* get pointer to object containing list element */ -#define DVBMC_LIST_ENTRY(elem, type, field) \ - ((type *)((char *)(elem) - (unsigned long)(&((type *)0)->field))) - -#endif /* __WINE_SERVER_DVBMC_LIST_H */ |