static void diffcore_apply_filter(const char *filter)
{
	int i;
	struct diff_queue_struct *q = &diff_queued_diff;
	struct diff_queue_struct outq;
	outq.queue = NULL;
	outq.nr = outq.alloc = 0;

	if (!filter)
		return;

	if (strchr(filter, DIFF_STATUS_FILTER_AON)) {
		int found;
		for (i = found = 0; !found && i < q->nr; i++) {
			struct diff_filepair *p = q->queue[i];
			if (((p->status == DIFF_STATUS_MODIFIED) &&
			     ((p->score &&
			       strchr(filter, DIFF_STATUS_FILTER_BROKEN)) ||
			      (!p->score &&
			       strchr(filter, DIFF_STATUS_MODIFIED)))) ||
			    ((p->status != DIFF_STATUS_MODIFIED) &&
			     strchr(filter, p->status)))
				found++;
		}
		if (found)
			return;

		/* otherwise we will clear the whole queue
		 * by copying the empty outq at the end of this
		 * function, but first clear the current entries
		 * in the queue.
		 */
		for (i = 0; i < q->nr; i++)
			diff_free_filepair(q->queue[i]);
	}
	else {
		/* Only the matching ones */
		for (i = 0; i < q->nr; i++) {
			struct diff_filepair *p = q->queue[i];

			if (((p->status == DIFF_STATUS_MODIFIED) &&
			     ((p->score &&
			       strchr(filter, DIFF_STATUS_FILTER_BROKEN)) ||
			      (!p->score &&
			       strchr(filter, DIFF_STATUS_MODIFIED)))) ||
			    ((p->status != DIFF_STATUS_MODIFIED) &&
			     strchr(filter, p->status)))
				diff_q(&outq, p);
			else
				diff_free_filepair(p);
		}
	}
	free(q->queue);
	*q = outq;
}
Unknown