1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1985-2010 AT&T Intellectual Property *
* and is licensed under the *
* Common Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.opensource.org/licenses/cpl1.0.txt *
* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
* *
* Information and Software Systems Research *
* AT&T Research *
* Florham Park NJ *
* *
* Glenn Fowler <gsf@research.att.com> *
* David Korn <dgk@research.att.com> *
* Phong Vo <kpv@research.att.com> *
* *
***********************************************************************/
#include "dthdr.h"
/* Close a dictionary
**
** Written by Kiem-Phong Vo (05/25/96)
*/
#if __STD_C
int dtclose(reg Dt_t* dt)
#else
int dtclose(dt)
reg Dt_t* dt;
#endif
{
Dtdisc_t *disc;
int ev = 0;
if(!dt || dt->nview > 0 ) /* can't close if being viewed */
return -1;
/* announce the close event to see if we should continue */
disc = dt->disc;
if(disc->eventf &&
(ev = (*disc->eventf)(dt,DT_CLOSE,NIL(Void_t*),disc)) < 0)
return -1;
if(dt->view) /* turn off viewing */
dtview(dt,NIL(Dt_t*));
if(ev == 0) /* release all allocated data */
{ (void)(*(dt->meth->searchf))(dt,NIL(Void_t*),DT_CLEAR);
if(dtsize(dt) > 0)
return -1;
if(dt->data->ntab > 0)
(*dt->memoryf)(dt,(Void_t*)dt->data->htab,0,disc);
(*dt->memoryf)(dt,(Void_t*)dt->data,0,disc);
}
if(dt->type == DT_MALLOC)
free((Void_t*)dt);
else if(ev == 0 && dt->type == DT_MEMORYF)
(*dt->memoryf)(dt, (Void_t*)dt, 0, disc);
if(disc->eventf)
(void)(*disc->eventf)(dt, DT_ENDCLOSE, NIL(Void_t*), disc);
return 0;
}
|
