the swap() operation of prioq which in fact only swap item's data but
keep idx untouched. However, current implement does first swap the idx
and then swap back again.
---
src/shared/prioq.c | 10 ----------
1 file changed, 10 deletions(-)
diff --git a/src/shared/prioq.c b/src/shared/prioq.c
index 8af4c51..ef99c47 100644
--- a/src/shared/prioq.c
+++ b/src/shared/prioq.c
@@ -68,7 +68,6 @@ int prioq_ensure_allocated(Prioq **q, compare_func_t
compare_func) {
static void swap(Prioq *q, unsigned j, unsigned k) {
void *saved_data;
- unsigned *saved_idx;
assert(q);
assert(j < q->n_items);
@@ -78,17 +77,8 @@ static void swap(Prioq *q, unsigned j, unsigned k) {
assert(!q->items[k].idx || *(q->items[k].idx) == k);
saved_data = q->items[j].data;
- saved_idx = q->items[j].idx;
q->items[j].data = q->items[k].data;
- q->items[j].idx = q->items[k].idx;
q->items[k].data = saved_data;
- q->items[k].idx = saved_idx;
-
- if (q->items[j].idx)
- *q->items[j].idx = j;
-
- if (q->items[k].idx)
- *q->items[k].idx = k;
}
static unsigned shuffle_up(Prioq *q, unsigned idx) {
--
1.7.9.5
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