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) 1986-1994,2001 by Sun Microsystems, Inc.
24 * All rights reserved.
25 *
26 * Ye olde non-reentrant interface (MT-unsafe, caveat utor)
27 *
28 * lib/libsocket/inet/getservent.c
29 */
30
31 #include <netdb.h>
32 #include <nss_dbdefs.h>
33
34 #ifdef NSS_INCLUDE_UNSAFE
35
36 /*
37 * Don't free this, even on an endservent(), because bitter experience shows
38 * that there's production code that does getXXXbyYYY(), then endXXXent(),
39 * and then continues to use the pointer it got back.
40 */
41 static nss_XbyY_buf_t *buffer;
42 #define GETBUF() \
43 NSS_XbyY_ALLOC(&buffer, (int)sizeof (struct servent), NSS_BUFLEN_SERVICES)
44 /* === ?? set ENOMEM on failure? */
45
46 struct servent *
getservbyname(const char * nam,const char * proto)47 getservbyname(const char *nam, const char *proto)
48 {
49 nss_XbyY_buf_t *b;
50 struct servent *res = 0;
51
52 if ((b = GETBUF()) != 0) {
53 res = getservbyname_r(nam, proto,
54 b->result, b->buffer, b->buflen);
55 }
56 return (res);
57 }
58
59 struct servent *
getservbyport(int port,const char * proto)60 getservbyport(int port, const char *proto)
61 {
62 nss_XbyY_buf_t *b;
63 struct servent *res = 0;
64
65 if ((b = GETBUF()) != 0) {
66 res = getservbyport_r(port, proto,
67 b->result, b->buffer, b->buflen);
68 }
69 return (res);
70 }
71
72 struct servent *
getservent(void)73 getservent(void)
74 {
75 nss_XbyY_buf_t *b;
76 struct servent *res = 0;
77
78 if ((b = GETBUF()) != 0) {
79 res = getservent_r(b->result, b->buffer, b->buflen);
80 }
81 return (res);
82 }
83
84 #endif /* NSS_INCLUDE_UNSAFE */
85