1*4887Schin /*********************************************************************** 2*4887Schin * * 3*4887Schin * This software is part of the ast package * 4*4887Schin * Copyright (c) 1985-2007 AT&T Knowledge Ventures * 5*4887Schin * and is licensed under the * 6*4887Schin * Common Public License, Version 1.0 * 7*4887Schin * by AT&T Knowledge Ventures * 8*4887Schin * * 9*4887Schin * A copy of the License is available at * 10*4887Schin * http://www.opensource.org/licenses/cpl1.0.txt * 11*4887Schin * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 12*4887Schin * * 13*4887Schin * Information and Software Systems Research * 14*4887Schin * AT&T Research * 15*4887Schin * Florham Park NJ * 16*4887Schin * * 17*4887Schin * Glenn Fowler <gsf@research.att.com> * 18*4887Schin * David Korn <dgk@research.att.com> * 19*4887Schin * Phong Vo <kpv@research.att.com> * 20*4887Schin * * 21*4887Schin ***********************************************************************/ 22*4887Schin #include "dthdr.h" 23*4887Schin 24*4887Schin /* Close a dictionary 25*4887Schin ** 26*4887Schin ** Written by Kiem-Phong Vo (05/25/96) 27*4887Schin */ 28*4887Schin #if __STD_C 29*4887Schin int dtclose(reg Dt_t* dt) 30*4887Schin #else 31*4887Schin int dtclose(dt) 32*4887Schin reg Dt_t* dt; 33*4887Schin #endif 34*4887Schin { 35*4887Schin Dtdisc_t *disc; 36*4887Schin int ev = 0; 37*4887Schin 38*4887Schin if(!dt || dt->nview > 0 ) /* can't close if being viewed */ 39*4887Schin return -1; 40*4887Schin 41*4887Schin /* announce the close event to see if we should continue */ 42*4887Schin disc = dt->disc; 43*4887Schin if(disc->eventf && 44*4887Schin (ev = (*disc->eventf)(dt,DT_CLOSE,NIL(Void_t*),disc)) < 0) 45*4887Schin return -1; 46*4887Schin 47*4887Schin if(dt->view) /* turn off viewing */ 48*4887Schin dtview(dt,NIL(Dt_t*)); 49*4887Schin 50*4887Schin if(ev == 0) /* release all allocated data */ 51*4887Schin { (void)(*(dt->meth->searchf))(dt,NIL(Void_t*),DT_CLEAR); 52*4887Schin if(dtsize(dt) > 0) 53*4887Schin return -1; 54*4887Schin 55*4887Schin if(dt->data->ntab > 0) 56*4887Schin (*dt->memoryf)(dt,(Void_t*)dt->data->htab,0,disc); 57*4887Schin (*dt->memoryf)(dt,(Void_t*)dt->data,0,disc); 58*4887Schin } 59*4887Schin 60*4887Schin if(dt->type == DT_MALLOC) 61*4887Schin free((Void_t*)dt); 62*4887Schin else if(ev == 0 && dt->type == DT_MEMORYF) 63*4887Schin (*dt->memoryf)(dt, (Void_t*)dt, 0, disc); 64*4887Schin 65*4887Schin if(disc->eventf) 66*4887Schin (void)(*disc->eventf)(dt, DT_ENDCLOSE, NIL(Void_t*), disc); 67*4887Schin 68*4887Schin return 0; 69*4887Schin } 70