14887Schin /*********************************************************************** 24887Schin * * 34887Schin * This software is part of the ast package * 4*8462SApril.Chin@Sun.COM * Copyright (c) 1985-2008 AT&T Intellectual Property * 54887Schin * and is licensed under the * 64887Schin * Common Public License, Version 1.0 * 7*8462SApril.Chin@Sun.COM * by AT&T Intellectual Property * 84887Schin * * 94887Schin * A copy of the License is available at * 104887Schin * http://www.opensource.org/licenses/cpl1.0.txt * 114887Schin * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 124887Schin * * 134887Schin * Information and Software Systems Research * 144887Schin * AT&T Research * 154887Schin * Florham Park NJ * 164887Schin * * 174887Schin * Glenn Fowler <gsf@research.att.com> * 184887Schin * David Korn <dgk@research.att.com> * 194887Schin * Phong Vo <kpv@research.att.com> * 204887Schin * * 214887Schin ***********************************************************************/ 224887Schin #include "dthdr.h" 234887Schin 244887Schin /* Close a dictionary 254887Schin ** 264887Schin ** Written by Kiem-Phong Vo (05/25/96) 274887Schin */ 284887Schin #if __STD_C 294887Schin int dtclose(reg Dt_t* dt) 304887Schin #else 314887Schin int dtclose(dt) 324887Schin reg Dt_t* dt; 334887Schin #endif 344887Schin { 354887Schin Dtdisc_t *disc; 364887Schin int ev = 0; 374887Schin 384887Schin if(!dt || dt->nview > 0 ) /* can't close if being viewed */ 394887Schin return -1; 404887Schin 414887Schin /* announce the close event to see if we should continue */ 424887Schin disc = dt->disc; 434887Schin if(disc->eventf && 444887Schin (ev = (*disc->eventf)(dt,DT_CLOSE,NIL(Void_t*),disc)) < 0) 454887Schin return -1; 464887Schin 474887Schin if(dt->view) /* turn off viewing */ 484887Schin dtview(dt,NIL(Dt_t*)); 494887Schin 504887Schin if(ev == 0) /* release all allocated data */ 514887Schin { (void)(*(dt->meth->searchf))(dt,NIL(Void_t*),DT_CLEAR); 524887Schin if(dtsize(dt) > 0) 534887Schin return -1; 544887Schin 554887Schin if(dt->data->ntab > 0) 564887Schin (*dt->memoryf)(dt,(Void_t*)dt->data->htab,0,disc); 574887Schin (*dt->memoryf)(dt,(Void_t*)dt->data,0,disc); 584887Schin } 594887Schin 604887Schin if(dt->type == DT_MALLOC) 614887Schin free((Void_t*)dt); 624887Schin else if(ev == 0 && dt->type == DT_MEMORYF) 634887Schin (*dt->memoryf)(dt, (Void_t*)dt, 0, disc); 644887Schin 654887Schin if(disc->eventf) 664887Schin (void)(*disc->eventf)(dt, DT_ENDCLOSE, NIL(Void_t*), disc); 674887Schin 684887Schin return 0; 694887Schin } 70