STRQUEUE_BLOCK
q->str = solv_extend(q->str, q->nstr, 1, sizeof(*q->str), STRQUEUE_BLOCK);
q->str = solv_extend(q->str, q->nstr, 1, sizeof(*q->str), STRQUEUE_BLOCK);
q->str = solv_extend(q->str, q->nstr, 1, sizeof(*q->str), STRQUEUE_BLOCK);