am: release strbufs after use in detect_patch_format()

diff --git a/prio-queue.c b/prio-queue.c
index e4365b00d6c3366e6753fc6da3fe1a165ab1222d..126d09672738533b6ecc6b94b7405dff888bbaf6 100644 (file)
--- a/prio-queue.c
+++ b/prio-queue.c
@@ -12,9 +12,7 @@ static inline int compare(struct prio_queue *queue, int i, int j)
 
 static inline void swap(struct prio_queue *queue, int i, int j)
 {
-       struct prio_queue_entry tmp = queue->array[i];
-       queue->array[i] = queue->array[j];
-       queue->array[j] = tmp;
+       SWAP(queue->array[i], queue->array[j]);
 }
 
 void prio_queue_reverse(struct prio_queue *queue)
@@ -23,16 +21,15 @@ void prio_queue_reverse(struct prio_queue *queue)
 
        if (queue->compare != NULL)
                die("BUG: prio_queue_reverse() on non-LIFO queue");
-       for (i = 0; i <= (j = (queue->nr - 1) - i); i++)
+       for (i = 0; i < (j = (queue->nr - 1) - i); i++)
                swap(queue, i, j);
 }
 
 void clear_prio_queue(struct prio_queue *queue)
 {
-       free(queue->array);
+       FREE_AND_NULL(queue->array);
        queue->nr = 0;
        queue->alloc = 0;
-       queue->array = NULL;
        queue->insertion_ctr = 0;
 }