diff options
-rw-r--r-- | coccinelle/swap-two.cocci | 7 | ||||
-rw-r--r-- | src/basic/prioq.c | 11 | ||||
-rw-r--r-- | src/shared/barrier.c | 6 |
3 files changed, 10 insertions, 14 deletions
diff --git a/coccinelle/swap-two.cocci b/coccinelle/swap-two.cocci new file mode 100644 index 0000000000..edf7d32403 --- /dev/null +++ b/coccinelle/swap-two.cocci @@ -0,0 +1,7 @@ +@@ +expression x, y, z; +@@ +- z = x; +- x = y; +- y = z; ++ SWAP_TWO(x, y); diff --git a/src/basic/prioq.c b/src/basic/prioq.c index 4ef4eaf0cd..cfd08d5d23 100644 --- a/src/basic/prioq.c +++ b/src/basic/prioq.c @@ -65,9 +65,6 @@ 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); assert(k < q->n_items); @@ -75,12 +72,8 @@ static void swap(Prioq *q, unsigned j, unsigned k) { assert(!q->items[j].idx || *(q->items[j].idx) == j); 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; + SWAP_TWO(q->items[j].data, q->items[k].data); + SWAP_TWO(q->items[j].idx, q->items[k].idx); if (q->items[j].idx) *q->items[j].idx = j; diff --git a/src/shared/barrier.c b/src/shared/barrier.c index 79316dd4c2..bb5869dad4 100644 --- a/src/shared/barrier.c +++ b/src/shared/barrier.c @@ -151,8 +151,6 @@ void barrier_destroy(Barrier *b) { * this is currently not needed so it hasn't been implemented. */ void barrier_set_role(Barrier *b, unsigned role) { - int fd; - assert(b); assert(IN_SET(role, BARRIER_PARENT, BARRIER_CHILD)); /* make sure this is only called once */ @@ -164,9 +162,7 @@ void barrier_set_role(Barrier *b, unsigned role) { b->pipe[0] = safe_close(b->pipe[0]); /* swap me/them for children */ - fd = b->me; - b->me = b->them; - b->them = fd; + SWAP_TWO(b->me, b->them); } } |