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core: queue: implement moving queue entries

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this works exactly the same as moving btree nodes.
This commit is contained in:
max 🍓
2026-02-03 14:30:53 +00:00
parent 837a42e249
commit ce9195c130
2 changed files with 27 additions and 5 deletions
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11
core/include/blue/core/queue.h
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@@ -35,24 +35,24 @@ static inline void b_queue_init(b_queue *q)
}
static inline bool b_queue_empty(const b_queue *q)
{
return q->q_first == NULL;
return q ? (q->q_first == NULL) : true;
}
static inline b_queue_entry *b_queue_first(const b_queue *q)
{
return q->q_first;
return q ? q->q_first : NULL;
}
static inline b_queue_entry *b_queue_last(const b_queue *q)
{
return q->q_last;
return q ? q->q_last : NULL;
}
static inline b_queue_entry *b_queue_next(const b_queue_entry *entry)
{
return entry->qe_next;
return entry ? entry->qe_next : NULL;
}
static inline b_queue_entry *b_queue_prev(const b_queue_entry *entry)
{
return entry->qe_prev;
return entry ? entry->qe_prev : NULL;
}
BLUE_API b_type b_queue_iterator_get_type(void);
@@ -70,6 +70,7 @@ BLUE_API void b_queue_push_back(b_queue *q, b_queue_entry *entry);
BLUE_API b_queue_entry *b_queue_pop_front(b_queue *q);
BLUE_API b_queue_entry *b_queue_pop_back(b_queue *q);
BLUE_API void b_queue_move(b_queue *q, b_queue_entry *dest, b_queue_entry *src);
BLUE_API void b_queue_delete(b_queue *q, b_queue_entry *entry);
BLUE_API void b_queue_delete_all(b_queue *q);