1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22
23 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
24 /* All Rights Reserved */
25
26 /*
27 * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
28 * Use is subject to license terms.
29 */
30
31 #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.2 */
32
33 #include "mt.h"
34 #include <xti.h>
35 #include <errno.h>
36 #include <stropts.h>
37 #include <stdlib.h>
38 #include <sys/types.h>
39 #include "tx.h"
40
41 int
_tx_free(char * ptr,int struct_type,int api_semantics)42 _tx_free(char *ptr, int struct_type, int api_semantics)
43 {
44 union structptrs {
45 struct t_bind *bind;
46 struct t_call *call;
47 struct t_discon *dis;
48 struct t_optmgmt *opt;
49 struct t_unitdata *udata;
50 struct t_uderr *uderr;
51 } p;
52
53 /*
54 * Free all the buffers associated with the appropriate
55 * fields of each structure.
56 */
57
58 switch (struct_type) {
59
60 case T_BIND:
61 /* LINTED pointer cast */
62 p.bind = (struct t_bind *)ptr;
63 if (p.bind->addr.buf != NULL)
64 free(p.bind->addr.buf);
65 break;
66
67 case T_CALL:
68 /* LINTED pointer cast */
69 p.call = (struct t_call *)ptr;
70 if (p.call->addr.buf != NULL)
71 free(p.call->addr.buf);
72 if (p.call->opt.buf != NULL)
73 free(p.call->opt.buf);
74 if (p.call->udata.buf != NULL)
75 free(p.call->udata.buf);
76 break;
77
78 case T_OPTMGMT:
79 /* LINTED pointer cast */
80 p.opt = (struct t_optmgmt *)ptr;
81 if (p.opt->opt.buf != NULL)
82 free(p.opt->opt.buf);
83 break;
84
85 case T_DIS:
86 /* LINTED pointer cast */
87 p.dis = (struct t_discon *)ptr;
88 if (p.dis->udata.buf != NULL)
89 free(p.dis->udata.buf);
90 break;
91
92 case T_UNITDATA:
93 /* LINTED pointer cast */
94 p.udata = (struct t_unitdata *)ptr;
95 if (p.udata->addr.buf != NULL)
96 free(p.udata->addr.buf);
97 if (p.udata->opt.buf != NULL)
98 free(p.udata->opt.buf);
99 if (p.udata->udata.buf != NULL)
100 free(p.udata->udata.buf);
101 break;
102
103 case T_UDERROR:
104 /* LINTED pointer cast */
105 p.uderr = (struct t_uderr *)ptr;
106 if (p.uderr->addr.buf != NULL)
107 free(p.uderr->addr.buf);
108 if (p.uderr->opt.buf != NULL)
109 free(p.uderr->opt.buf);
110 break;
111
112 case T_INFO:
113 break;
114
115 default:
116 if (_T_IS_XTI(api_semantics)) {
117 t_errno = TNOSTRUCTYPE;
118 } else { /* TX_TLI_API */
119 t_errno = TSYSERR;
120 errno = EINVAL;
121 }
122 return (-1);
123 }
124
125 free(ptr);
126 return (0);
127 }
128