mirror of
https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
synced 2025-11-02 09:01:46 -05:00
40 lines
1.7 KiB
C
40 lines
1.7 KiB
C
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#ifndef foollistfoo
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#define foollistfoo
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#define PA_LLIST_HEAD(t,name) t *name
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#define PA_LLIST_FIELDS(t) t *next, *prev;
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#define PA_LLIST_HEAD_INIT(t,item) do { (item) = NULL; } while(0)
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#define PA_LLIST_INIT(t,item) do { \
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t *_item = (item); \
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assert(_item); \
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_item->prev = _item->next = NULL; \
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} while(0)
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#define PA_LLIST_PREPEND(t,head,item) do { \
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t **_head = &(head), *_item = (item); \
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assert(_item); \
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if ((_item->next = *_head)) \
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_item->next->prev = _item; \
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_item->prev = NULL; \
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*_head = _item; \
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} while (0)
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#define PA_LLIST_REMOVE(t,head,item) do { \
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t **_head = &(head), *_item = (item); \
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assert(_item); \
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if (_item->next) \
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_item->next->prev = _item->prev; \
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if (_item->prev) \
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_item->prev->next = _item->next; \
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else {\
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assert(*_head == _item); \
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*_head = _item->next; \
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} \
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_item->next = _item->prev = NULL; \
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} while(0)
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#endif
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