mirror of
https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
synced 2025-11-03 09:01:50 -05:00
40 lines
1.7 KiB
C
40 lines
1.7 KiB
C
|
#ifndef foollistfoo
|
||
|
|
#define foollistfoo
|
||
|
|
|
||
|
|
#define PA_LLIST_HEAD(t,name) t *name
|
||
|
|
|
||
|
|
#define PA_LLIST_FIELDS(t) t *next, *prev;
|
||
|
|
|
||
|
|
#define PA_LLIST_HEAD_INIT(t,item) do { (item) = NULL; } while(0)
|
||
|
|
|
||
|
|
#define PA_LLIST_INIT(t,item) do { \
|
||
|
|
t *_item = (item); \
|
||
|
|
assert(_item); \
|
||
|
|
_item->prev = _item->next = NULL; \
|
||
|
|
} while(0)
|
||
|
|
|
||
|
|
#define PA_LLIST_PREPEND(t,head,item) do { \
|
||
|
|
t **_head = &(head), *_item = (item); \
|
||
|
|
assert(_item); \
|
||
|
|
if ((_item->next = *_head)) \
|
||
|
|
_item->next->prev = _item; \
|
||
|
|
_item->prev = NULL; \
|
||
|
|
*_head = _item; \
|
||
|
|
} while (0)
|
||
|
|
|
||
|
|
#define PA_LLIST_REMOVE(t,head,item) do { \
|
||
|
|
t **_head = &(head), *_item = (item); \
|
||
|
|
assert(_item); \
|
||
|
|
if (_item->next) \
|
||
|
|
_item->next->prev = _item->prev; \
|
||
|
|
if (_item->prev) \
|
||
|
|
_item->prev->next = _item->next; \
|
||
|
|
else {\
|
||
|
|
assert(*_head == _item); \
|
||
|
|
*_head = _item->next; \
|
||
|
|
} \
|
||
|
|
_item->next = _item->prev = NULL; \
|
||
|
|
} while(0)
|
||
|
|
|
||
|
|
#endif
|