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(libretro-common) message_queue.c - cleanups

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This commit is contained in:
twinaphex 2016-04-08 02:59:06 +02:00
parent 8ba1f2fca6
commit 8e2dada12a
1 changed files with 8 additions and 9 deletions
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17
libretro-common/queues/message_queue.c
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@ -175,12 +175,9 @@ void msg_queue_clear(msg_queue_t *queue)
**/
const char *msg_queue_pull(msg_queue_t *queue)
{
struct queue_elem *front = NULL, *last = NULL,
*parent = NULL, *child = NULL;
struct queue_elem *front = NULL, *last = NULL;
size_t tmp_ptr = 1;
(void)parent;
(void)child;
(void)tmp_ptr;
/* Nothing in queue. */
@ -203,10 +200,12 @@ const char *msg_queue_pull(msg_queue_t *queue)
for (;;)
{
size_t switch_index = tmp_ptr;
bool left = (tmp_ptr * 2 <= queue->ptr)
struct queue_elem *parent = NULL;
struct queue_elem *child = NULL;
size_t switch_index = tmp_ptr;
bool left = (tmp_ptr * 2 <= queue->ptr)
&& (queue->elems[tmp_ptr] < queue->elems[tmp_ptr * 2]);
bool right = (tmp_ptr * 2 + 1 <= queue->ptr)
bool right = (tmp_ptr * 2 + 1 <= queue->ptr)
&& (queue->elems[tmp_ptr] < queue->elems[tmp_ptr * 2 + 1]);
if (!left && !right)
@ -227,9 +226,9 @@ const char *msg_queue_pull(msg_queue_t *queue)
parent = (struct queue_elem*)queue->elems[tmp_ptr];
child = (struct queue_elem*)queue->elems[switch_index];
queue->elems[tmp_ptr] = child;
queue->elems[tmp_ptr] = child;
queue->elems[switch_index] = parent;
tmp_ptr = switch_index;
tmp_ptr = switch_index;
}
return queue->tmp_msg;