1 #include "dthdr.h" 2 3 /* Extract objects of a dictionary. 4 ** 5 ** Written by Kiem-Phong Vo (5/25/96). 6 */ 7 dtextract(reg Dt_t * dt)8Dtlink_t* dtextract(reg Dt_t* dt) 9 { 10 reg Dtlink_t *list, **s, **ends; 11 12 if(dt->data->type&(DT_OSET|DT_OBAG) ) 13 list = dt->data->here; 14 else if(dt->data->type&(DT_SET|DT_BAG)) 15 { list = dtflatten(dt); 16 for(ends = (s = dt->data->htab) + dt->data->ntab; s < ends; ++s) 17 *s = NIL(Dtlink_t*); 18 } 19 else /*if(dt->data->type&(DT_LIST|DT_STACK|DT_QUEUE))*/ 20 { list = dt->data->head; 21 dt->data->head = NIL(Dtlink_t*); 22 } 23 24 dt->data->type &= ~DT_FLATTEN; 25 dt->data->size = 0; 26 dt->data->here = NIL(Dtlink_t*); 27 28 return list; 29 } 30