1*b30d1939SAndy Fiddaman /***********************************************************************
2*b30d1939SAndy Fiddaman * *
3*b30d1939SAndy Fiddaman * This software is part of the ast package *
4*b30d1939SAndy Fiddaman * Copyright (c) 1985-2011 AT&T Intellectual Property *
5*b30d1939SAndy Fiddaman * and is licensed under the *
6*b30d1939SAndy Fiddaman * Eclipse Public License, Version 1.0 *
7*b30d1939SAndy Fiddaman * by AT&T Intellectual Property *
8*b30d1939SAndy Fiddaman * *
9*b30d1939SAndy Fiddaman * 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) *
12*b30d1939SAndy Fiddaman * *
13*b30d1939SAndy Fiddaman * Information and Software Systems Research *
14*b30d1939SAndy Fiddaman * AT&T Research *
15*b30d1939SAndy Fiddaman * Florham Park NJ *
16*b30d1939SAndy Fiddaman * *
17*b30d1939SAndy Fiddaman * Glenn Fowler <gsf@research.att.com> *
18*b30d1939SAndy Fiddaman * David Korn <dgk@research.att.com> *
19*b30d1939SAndy Fiddaman * Phong Vo <kpv@research.att.com> *
20*b30d1939SAndy Fiddaman * *
21*b30d1939SAndy Fiddaman ***********************************************************************/
22*b30d1939SAndy Fiddaman #include "dthdr.h"
23*b30d1939SAndy Fiddaman
24*b30d1939SAndy Fiddaman /* Close a dictionary
25*b30d1939SAndy Fiddaman **
26*b30d1939SAndy Fiddaman ** Written by Kiem-Phong Vo (11/15/2010)
27*b30d1939SAndy Fiddaman */
28*b30d1939SAndy Fiddaman #if __STD_C
dtclose(Dt_t * dt)29*b30d1939SAndy Fiddaman int dtclose(Dt_t* dt)
30*b30d1939SAndy Fiddaman #else
31*b30d1939SAndy Fiddaman int dtclose(dt)
32*b30d1939SAndy Fiddaman Dt_t* dt;
33*b30d1939SAndy Fiddaman #endif
34*b30d1939SAndy Fiddaman {
35*b30d1939SAndy Fiddaman int ev, type;
36*b30d1939SAndy Fiddaman Dt_t pdt;
37*b30d1939SAndy Fiddaman Dtdisc_t *disc = dt->disc;
38*b30d1939SAndy Fiddaman
39*b30d1939SAndy Fiddaman if(!dt || dt->nview > 0 ) /* can't close if being viewed */
40*b30d1939SAndy Fiddaman return -1;
41*b30d1939SAndy Fiddaman
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 */
46*b30d1939SAndy Fiddaman return -1;
47*b30d1939SAndy Fiddaman
48*b30d1939SAndy Fiddaman if(dt->view) /* turn off viewing at this point */
49*b30d1939SAndy Fiddaman dtview(dt,NIL(Dt_t*));
50*b30d1939SAndy Fiddaman
51*b30d1939SAndy Fiddaman type = dt->data->type; /* save before memory is freed */
52*b30d1939SAndy Fiddaman memcpy(&pdt, dt, sizeof(Dt_t));
53*b30d1939SAndy Fiddaman
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);
58*b30d1939SAndy Fiddaman }
59*b30d1939SAndy Fiddaman if(!(type&DT_INDATA) )
60*b30d1939SAndy Fiddaman (void)free(dt);
61*b30d1939SAndy Fiddaman
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);
64*b30d1939SAndy Fiddaman
65*b30d1939SAndy Fiddaman return 0;
66*b30d1939SAndy Fiddaman }
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