dbus-list.h

00001 /* -*- mode: C; c-file-style: "gnu" -*- */
00002 /* dbus-list.h Generic linked list utility (internal to D-Bus implementation)
00003  * 
00004  * Copyright (C) 2002, 2003 Red Hat, Inc.
00005  *
00006  * Licensed under the Academic Free License version 2.1
00007  * 
00008  * This program is free software; you can redistribute it and/or modify
00009  * it under the terms of the GNU General Public License as published by
00010  * the Free Software Foundation; either version 2 of the License, or
00011  * (at your option) any later version.
00012  *
00013  * This program is distributed in the hope that it will be useful,
00014  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00015  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00016  * GNU General Public License for more details.
00017  * 
00018  * You should have received a copy of the GNU General Public License
00019  * along with this program; if not, write to the Free Software
00020  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00021  *
00022  */
00023 
00024 #ifndef DBUS_LIST_H
00025 #define DBUS_LIST_H
00026 
00027 #include <dbus/dbus-internals.h>
00028 #include <dbus/dbus-memory.h>
00029 #include <dbus/dbus-types.h>
00030 #include <dbus/dbus-sysdeps.h>
00031 
00032 DBUS_BEGIN_DECLS
00033 
00034 struct DBusList
00035 {
00036   DBusList *prev; 
00037   DBusList *next; 
00038   void     *data; 
00039 };
00040 dbus_bool_t _dbus_list_append             (DBusList **list,
00041                                            void      *data);
00042 dbus_bool_t _dbus_list_prepend            (DBusList **list,
00043                                            void      *data);
00044 dbus_bool_t _dbus_list_insert_before      (DBusList **list,
00045                                            DBusList  *before_this_link,
00046                                            void      *data);
00047 dbus_bool_t _dbus_list_insert_after       (DBusList **list,
00048                                            DBusList  *after_this_link,
00049                                            void      *data);
00050 void        _dbus_list_insert_before_link (DBusList **list,
00051                                            DBusList  *before_this_link,
00052                                            DBusList  *link);
00053 void        _dbus_list_insert_after_link  (DBusList **list,
00054                                            DBusList  *after_this_link,
00055                                            DBusList  *link);
00056 dbus_bool_t _dbus_list_remove             (DBusList **list,
00057                                            void      *data);
00058 dbus_bool_t _dbus_list_remove_last        (DBusList **list,
00059                                            void      *data);
00060 void        _dbus_list_remove_link        (DBusList **list,
00061                                            DBusList  *link);
00062 DBusList*   _dbus_list_find_last          (DBusList **list,
00063                                            void      *data);
00064 void        _dbus_list_clear              (DBusList **list);
00065 DBusList*   _dbus_list_get_first_link     (DBusList **list);
00066 DBusList*   _dbus_list_get_last_link      (DBusList **list);
00067 void*       _dbus_list_get_last           (DBusList **list);
00068 void*       _dbus_list_get_first          (DBusList **list);
00069 void*       _dbus_list_pop_first          (DBusList **list);
00070 void*       _dbus_list_pop_last           (DBusList **list);
00071 DBusList*   _dbus_list_pop_first_link     (DBusList **list);
00072 DBusList*   _dbus_list_pop_last_link      (DBusList **list);
00073 dbus_bool_t _dbus_list_copy               (DBusList **list,
00074                                            DBusList **dest);
00075 int         _dbus_list_get_length         (DBusList **list);
00076 DBusList*   _dbus_list_alloc_link         (void      *data);
00077 void        _dbus_list_free_link          (DBusList  *link);
00078 void        _dbus_list_unlink             (DBusList **list,
00079                                            DBusList  *link);
00080 void        _dbus_list_append_link        (DBusList **list,
00081                                            DBusList  *link);
00082 void        _dbus_list_prepend_link       (DBusList **list,
00083                                            DBusList  *link);
00084 dbus_bool_t _dbus_list_length_is_one      (DBusList **list);
00085 
00086 
00087 
00088 
00089 void _dbus_list_foreach (DBusList            **list,
00090                          DBusForeachFunction   function,
00091                          void                 *data);
00092 
00093 #define _dbus_list_get_next_link(list, link) ((link)->next == *(list) ? NULL : (link)->next)
00094 #define _dbus_list_get_prev_link(list, link) ((link) == *(list) ? NULL : (link)->prev)
00095 
00096 DBUS_END_DECLS
00097 
00098 #endif /* DBUS_LIST_H */

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