WvStreams
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 
00031 DBUS_BEGIN_DECLS
00032 
00033 typedef struct DBusList DBusList;
00034 
00035 struct DBusList
00036 {
00037   DBusList *prev; 
00038   DBusList *next; 
00039   void     *data; 
00040 };
00041 dbus_bool_t _dbus_list_append             (DBusList **list,
00042                                            void      *data);
00043 dbus_bool_t _dbus_list_prepend            (DBusList **list,
00044                                            void      *data);
00045 dbus_bool_t _dbus_list_insert_before      (DBusList **list,
00046                                            DBusList  *before_this_link,
00047                                            void      *data);
00048 dbus_bool_t _dbus_list_insert_after       (DBusList **list,
00049                                            DBusList  *after_this_link,
00050                                            void      *data);
00051 void        _dbus_list_insert_before_link (DBusList **list,
00052                                            DBusList  *before_this_link,
00053                                            DBusList  *link);
00054 void        _dbus_list_insert_after_link  (DBusList **list,
00055                                            DBusList  *after_this_link,
00056                                            DBusList  *link);
00057 dbus_bool_t _dbus_list_remove             (DBusList **list,
00058                                            void      *data);
00059 dbus_bool_t _dbus_list_remove_last        (DBusList **list,
00060                                            void      *data);
00061 void        _dbus_list_remove_link        (DBusList **list,
00062                                            DBusList  *link);
00063 DBusList*   _dbus_list_find_last          (DBusList **list,
00064                                            void      *data);
00065 void        _dbus_list_clear              (DBusList **list);
00066 DBusList*   _dbus_list_get_first_link     (DBusList **list);
00067 DBusList*   _dbus_list_get_last_link      (DBusList **list);
00068 void*       _dbus_list_get_last           (DBusList **list);
00069 void*       _dbus_list_get_first          (DBusList **list);
00070 void*       _dbus_list_pop_first          (DBusList **list);
00071 void*       _dbus_list_pop_last           (DBusList **list);
00072 DBusList*   _dbus_list_pop_first_link     (DBusList **list);
00073 DBusList*   _dbus_list_pop_last_link      (DBusList **list);
00074 dbus_bool_t _dbus_list_copy               (DBusList **list,
00075                                            DBusList **dest);
00076 int         _dbus_list_get_length         (DBusList **list);
00077 DBusList*   _dbus_list_alloc_link         (void      *data);
00078 void        _dbus_list_free_link          (DBusList  *link);
00079 void        _dbus_list_unlink             (DBusList **list,
00080                                            DBusList  *link);
00081 void        _dbus_list_append_link        (DBusList **list,
00082                                            DBusList  *link);
00083 void        _dbus_list_prepend_link       (DBusList **list,
00084                                            DBusList  *link);
00085 dbus_bool_t _dbus_list_length_is_one      (DBusList **list);
00086 
00087 
00088 
00089 
00090 void _dbus_list_foreach (DBusList            **list,
00091                          DBusForeachFunction   function,
00092                          void                 *data);
00093 
00094 #define _dbus_list_get_next_link(list, link) ((link)->next == *(list) ? NULL : (link)->next)
00095 #define _dbus_list_get_prev_link(list, link) ((link) == *(list) ? NULL : (link)->prev)
00096 
00097 DBUS_END_DECLS
00098 
00099 #endif /* DBUS_LIST_H */