Lines Matching full:prev
570 vchar_t *prev = res; /* K(n-1) */
588 seed = vmalloc(prev->l + buf->l);
592 if (prev && prev != res)
593 vfree(prev);
601 memcpy(seed->v, prev->v, prev->l);
602 memcpy(seed->v + prev->l, buf->v, buf->l);
608 if (prev && prev != res)
609 vfree(prev);
615 update_prev = (prev && prev == res) ? 1 : 0;
621 prev = res;
626 if (prev && prev != res)
627 vfree(prev);
634 if (prev && prev != res)
635 vfree(prev);
636 prev = this;
640 if (prev && prev != res)
641 vfree(prev);
