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-rw-r--r--src/list.h106
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diff --git a/src/list.h b/src/list.h
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-/* the Music Player Daemon (MPD)
- * Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
- * This project's homepage is: http://www.musicpd.org
- *
- * This program 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; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#ifndef MPD_LIST_H
-#define MPD_LIST_H
-
-/* used to make a list where free() will be used to free data in list */
-#define DEFAULT_FREE_DATA_FUNC free
-
-/* typedef for function to free data stored in the list nodes */
-typedef void ListFreeDataFunc(void *);
-
-typedef struct _ListNode {
- /* used to identify node (ie. when using findInList) */
- const char *key;
- /* data store in node */
- void *data;
- /* next node in list */
- struct _ListNode *nextNode;
- /* previous node in list */
- struct _ListNode *prevNode;
-} ListNode;
-
-typedef struct _List {
- /* first node in list */
- ListNode *firstNode;
- /* last node in list */
- ListNode *lastNode;
- /* function used to free data stored in nodes of the list */
- ListFreeDataFunc *freeDataFunc;
- /* number of nodes */
- long numberOfNodes;
- /* array for searching when list is sorted */
- ListNode **nodesArray;
- /* sorted */
- int sorted;
- /* whether to strdup() key's on insertion */
- int strdupKeys;
-} List;
-
-/* allocates memory for a new list and initializes it
- * _freeDataFunc_ -> pointer to function used to free data, use
- * DEFAULT_FREE_DATAFUNC to use free()
- * returns pointer to new list if successful, NULL otherwise
- */
-List *makeList(ListFreeDataFunc * freeDataFunc, int strdupKeys);
-
-/* inserts a node into _list_ with _key_ and _data_
- * _list_ -> list the data will be inserted in
- * _key_ -> identifier for node/data to be inserted into list
- * _data_ -> data to be inserted in list
- * returns 1 if successful, 0 otherwise
- */
-ListNode *insertInList(List * list, const char *key, void *data);
-
-ListNode *insertInListBeforeNode(List * list, ListNode * beforeNode,
- int pos, const char *key, void *data);
-
-int insertInListWithoutKey(List * list, void *data);
-
-/* deletes the first node in the list with the key _key_
- * _list_ -> list the node will be deleted from
- * _key_ -> key used to identify node to delete
- * returns 1 if node is found and deleted, 0 otherwise
- */
-int deleteFromList(List * list, const char *key);
-
-void deleteNodeFromList(List * list, ListNode * node);
-
-/* finds data in a list based on key
- * _list_ -> list to search for _key_ in
- * _key_ -> which node is being searched for
- * _data_ -> a pointer to where data will be placed,
- * _data_ memory should not by allocated or freed
- * _data_ can be NULL
- * returns 1 if successful, 0 otherwise
- */
-int findInList(List * list, const char *key, void **data);
-
-/* if _key_ is not found, *_node_ is assigned to the node before which
- the info would be found */
-int findNodeInList(List * list, const char *key, ListNode ** node, int *pos);
-
-/* frees memory malloc'd for list and its nodes
- * _list_ -> List to be free'd
- */
-void freeList(void *list);
-
-void sortList(List * list);
-
-#endif