xref: /titanic_50/usr/src/lib/libnsl/nsl/t_free.c (revision b3fbe5e6c0ab1f506cd04f8dd39bf9656909f535)
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
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