1da2e3ebdSchin /***********************************************************************
2da2e3ebdSchin * *
3da2e3ebdSchin * This software is part of the ast package *
4*b30d1939SAndy Fiddaman * Copyright (c) 1985-2011 AT&T Intellectual Property *
5da2e3ebdSchin * and is licensed under the *
6*b30d1939SAndy Fiddaman * Eclipse Public License, Version 1.0 *
77c2fbfb3SApril Chin * by AT&T Intellectual Property *
8da2e3ebdSchin * *
9da2e3ebdSchin * A copy of the License is available at *
10*b30d1939SAndy Fiddaman * http://www.eclipse.org/org/documents/epl-v10.html *
11*b30d1939SAndy Fiddaman * (with md5 checksum b35adb5213ca9657e911e9befb180842) *
12da2e3ebdSchin * *
13da2e3ebdSchin * Information and Software Systems Research *
14da2e3ebdSchin * AT&T Research *
15da2e3ebdSchin * Florham Park NJ *
16da2e3ebdSchin * *
17da2e3ebdSchin * Glenn Fowler <gsf@research.att.com> *
18da2e3ebdSchin * David Korn <dgk@research.att.com> *
19da2e3ebdSchin * Phong Vo <kpv@research.att.com> *
20da2e3ebdSchin * *
21da2e3ebdSchin ***********************************************************************/
22da2e3ebdSchin #include "dthdr.h"
23da2e3ebdSchin
24da2e3ebdSchin /* Close a dictionary
25da2e3ebdSchin **
26*b30d1939SAndy Fiddaman ** Written by Kiem-Phong Vo (11/15/2010)
27da2e3ebdSchin */
28da2e3ebdSchin #if __STD_C
dtclose(Dt_t * dt)29*b30d1939SAndy Fiddaman int dtclose(Dt_t* dt)
30da2e3ebdSchin #else
31da2e3ebdSchin int dtclose(dt)
32*b30d1939SAndy Fiddaman Dt_t* dt;
33da2e3ebdSchin #endif
34da2e3ebdSchin {
35*b30d1939SAndy Fiddaman int ev, type;
36*b30d1939SAndy Fiddaman Dt_t pdt;
37*b30d1939SAndy Fiddaman Dtdisc_t *disc = dt->disc;
38da2e3ebdSchin
39da2e3ebdSchin if(!dt || dt->nview > 0 ) /* can't close if being viewed */
40da2e3ebdSchin return -1;
41da2e3ebdSchin
42*b30d1939SAndy Fiddaman if(disc && disc->eventf) /* announce closing event */
43*b30d1939SAndy Fiddaman ev = (*disc->eventf)(dt, DT_CLOSE, (Void_t*)1, disc);
44*b30d1939SAndy Fiddaman else ev = 0;
45*b30d1939SAndy Fiddaman if(ev < 0) /* cannot close */
46da2e3ebdSchin return -1;
47da2e3ebdSchin
48*b30d1939SAndy Fiddaman if(dt->view) /* turn off viewing at this point */
49da2e3ebdSchin dtview(dt,NIL(Dt_t*));
50da2e3ebdSchin
51*b30d1939SAndy Fiddaman type = dt->data->type; /* save before memory is freed */
52*b30d1939SAndy Fiddaman memcpy(&pdt, dt, sizeof(Dt_t));
53da2e3ebdSchin
54*b30d1939SAndy Fiddaman if(ev == 0 ) /* release all allocated data */
55*b30d1939SAndy Fiddaman { (void)(*(dt->meth->searchf))(dt,NIL(Void_t*),DT_CLEAR);
56*b30d1939SAndy Fiddaman (void)(*dt->meth->eventf)(dt, DT_CLOSE, (Void_t*)0);
57*b30d1939SAndy Fiddaman /**/DEBUG_ASSERT(!dt->data);
58da2e3ebdSchin }
59*b30d1939SAndy Fiddaman if(!(type&DT_INDATA) )
60*b30d1939SAndy Fiddaman (void)free(dt);
61da2e3ebdSchin
62*b30d1939SAndy Fiddaman if(disc && disc->eventf) /* announce end of closing activities */
63*b30d1939SAndy Fiddaman (void)(*disc->eventf)(&pdt, DT_ENDCLOSE, (Void_t*)0, disc);
64da2e3ebdSchin
65da2e3ebdSchin return 0;
66da2e3ebdSchin }
67