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Diffstat (limited to 'apps/plugins/mpegplayer/mpeg_linkedlist.h')
-rw-r--r-- | apps/plugins/mpegplayer/mpeg_linkedlist.h | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/apps/plugins/mpegplayer/mpeg_linkedlist.h b/apps/plugins/mpegplayer/mpeg_linkedlist.h deleted file mode 100644 index d4f8305d7d..0000000000 --- a/apps/plugins/mpegplayer/mpeg_linkedlist.h +++ /dev/null | |||
@@ -1,71 +0,0 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Linked list API declarations | ||
11 | * | ||
12 | * Copyright (c) 2007 Michael Sevakis | ||
13 | * | ||
14 | * This program is free software; you can redistribute it and/or | ||
15 | * modify it under the terms of the GNU General Public License | ||
16 | * as published by the Free Software Foundation; either version 2 | ||
17 | * of the License, or (at your option) any later version. | ||
18 | * | ||
19 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
20 | * KIND, either express or implied. | ||
21 | * | ||
22 | ****************************************************************************/ | ||
23 | #ifndef MPEG_LINKEDLIST_H | ||
24 | #define MPEG_LINKEDLIST_H | ||
25 | |||
26 | struct list_item | ||
27 | { | ||
28 | struct list_item *prev; /* previous item in list */ | ||
29 | struct list_item *next; /* next item in list */ | ||
30 | }; | ||
31 | |||
32 | /* Utility macros to help get the actual structure pointer back */ | ||
33 | #define OFFSETOF(type, membername) ((off_t)&((type *)0)->membername) | ||
34 | #define TYPE_FROM_MEMBER(type, memberptr, membername) \ | ||
35 | ((type *)((intptr_t)(memberptr) - OFFSETOF(type, membername))) | ||
36 | |||
37 | /* Initialize a master list head */ | ||
38 | void list_initialize(struct list_item *master_list_head); | ||
39 | |||
40 | /* Are there items after the head item? */ | ||
41 | bool list_is_empty(struct list_item *head_item); | ||
42 | |||
43 | /* Does the item belong to a list? */ | ||
44 | bool list_is_item_listed(struct list_item *item); | ||
45 | |||
46 | /* Is the item a member in a particular list? */ | ||
47 | bool list_is_member(struct list_item *master_list_head, | ||
48 | struct list_item *item); | ||
49 | |||
50 | /* Remove an item from a list - no head item needed */ | ||
51 | void list_remove_item(struct list_item *item); | ||
52 | |||
53 | /* Add a list item after the base item */ | ||
54 | void list_add_item(struct list_item *head_item, | ||
55 | struct list_item *item); | ||
56 | |||
57 | /* Clear list items after the head item */ | ||
58 | void list_clear_all(struct list_item *head_item); | ||
59 | |||
60 | /* Enumerate all items after the head item - passing each item in turn | ||
61 | * to the callback as well as the data value. The current item may be | ||
62 | * safely removed. Items added after the current position will be enumated | ||
63 | * but not ones added before it. The callback may return false to stop | ||
64 | * the enumeration. */ | ||
65 | typedef bool (*list_enum_callback_t)(struct list_item *item, intptr_t data); | ||
66 | |||
67 | void list_enum_items(struct list_item *head_item, | ||
68 | list_enum_callback_t callback, | ||
69 | intptr_t data); | ||
70 | |||
71 | #endif /* MPEG_LINKEDLIST_H */ | ||