xref: /titanic_50/usr/src/lib/libnsl/nsl/t_free.c (revision 8eea8e29cc4374d1ee24c25a07f45af132db3499)
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 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
23 /*	  All Rights Reserved  	*/
24 
25 
26 /*
27  * Copyright 1993-2003 Sun Microsystems, Inc.  All rights reserved.
28  * Use is subject to license terms.
29  */
30 
31 
32 #pragma ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.2 */
33 
34 #include "mt.h"
35 #include <xti.h>
36 #include <errno.h>
37 #include <stropts.h>
38 #include <stdlib.h>
39 #include <sys/types.h>
40 #include <rpc/trace.h>
41 #include "tx.h"
42 
43 int
44 _tx_free(char *ptr, int struct_type, int api_semantics)
45 {
46 	union structptrs {
47 		struct t_bind *bind;
48 		struct t_call *call;
49 		struct t_discon *dis;
50 		struct t_optmgmt *opt;
51 		struct t_unitdata *udata;
52 		struct t_uderr *uderr;
53 	} p;
54 
55 	/*
56 	 * Free all the buffers associated with the appropriate
57 	 * fields of each structure.
58 	 */
59 
60 	trace2(TR_t_free, 0, struct_type);
61 	switch (struct_type) {
62 
63 	case T_BIND:
64 		p.bind = (struct t_bind *)ptr;
65 		if (p.bind->addr.buf != NULL)
66 			free(p.bind->addr.buf);
67 		break;
68 
69 	case T_CALL:
70 		p.call = (struct t_call *)ptr;
71 		if (p.call->addr.buf != NULL)
72 			free(p.call->addr.buf);
73 		if (p.call->opt.buf != NULL)
74 			free(p.call->opt.buf);
75 		if (p.call->udata.buf != NULL)
76 			free(p.call->udata.buf);
77 		break;
78 
79 	case T_OPTMGMT:
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 		p.dis = (struct t_discon *)ptr;
87 		if (p.dis->udata.buf != NULL)
88 			free(p.dis->udata.buf);
89 		break;
90 
91 	case T_UNITDATA:
92 		p.udata = (struct t_unitdata *)ptr;
93 		if (p.udata->addr.buf != NULL)
94 			free(p.udata->addr.buf);
95 		if (p.udata->opt.buf != NULL)
96 			free(p.udata->opt.buf);
97 		if (p.udata->udata.buf != NULL)
98 			free(p.udata->udata.buf);
99 		break;
100 
101 	case T_UDERROR:
102 		p.uderr = (struct t_uderr *)ptr;
103 		if (p.uderr->addr.buf != NULL)
104 			free(p.uderr->addr.buf);
105 		if (p.uderr->opt.buf != NULL)
106 			free(p.uderr->opt.buf);
107 		break;
108 
109 	case T_INFO:
110 		break;
111 
112 	default:
113 		if (_T_IS_XTI(api_semantics)) {
114 			t_errno = TNOSTRUCTYPE;
115 			trace2(TR_t_free, 1, struct_type);
116 		} else {	/* TX_TLI_API */
117 			t_errno = TSYSERR;
118 			trace2(TR_t_free, 1, struct_type);
119 			errno = EINVAL;
120 		}
121 		return (-1);
122 	}
123 
124 	free(ptr);
125 	trace2(TR_t_free, 1, struct_type);
126 	return (0);
127 }
128