1471     while (dch->size == dch->used) {  in _store_item_copy_chunks()
1487             assert(dch->used <= dch->size);  in _store_item_copy_chunks()
1488             int todo = (dch->size - dch->used < sch->used - copied)  in _store_item_copy_chunks()
1489                 ? dch->size - dch->used : sch->used - copied;  in _store_item_copy_chunks()
1492             memcpy(dch->data + dch->used, sch->data + copied, todo);  in _store_item_copy_chunks()
1493             dch->used += todo;  in _store_item_copy_chunks()
1496             assert(dch->used <= dch->size);  in _store_item_copy_chunks()
1497             if (dch->size == dch->used) {  in _store_item_copy_chunks()
1505             assert(copied <= sch->used);  in _store_item_copy_chunks()
1506             if (copied == sch->used) {  in _store_item_copy_chunks()
1517             int todo = (dch->size - dch->used < len - done)  in _store_item_copy_chunks()
1518                 ? dch->size - dch->used : len - done;  in _store_item_copy_chunks()
1520             memcpy(dch->data + dch->used, ITEM_data(s_it) + done, todo);  in _store_item_copy_chunks()
1522             dch->used += todo;  in _store_item_copy_chunks()
1523             assert(dch->used <= dch->size);  in _store_item_copy_chunks()
1524             if (dch->size == dch->used) {  in _store_item_copy_chunks()
2611                         if (!ch->used) {
2616                         if (done >= ch->used) {
2617                             done -= ch->used;
2626                         iovs[iovused].iov_len = ch->used - skip > todo ? todo : ch->used - skip;
2628                         todo -= ch->used - skip;
2922         if (ch->size == ch->used) {
2941         int unused = ch->size - ch->used;
2948                 memmove(ch->data + ch->used, c->rcurr, tocopy);
2954             ch->used += tocopy;
2960             res = c->read(c, ch->data + ch->used,
2966                 ch->used += res;
2984         if (ch->size - ch->used < 2) {