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 #pragma ident "%Z%%M% %I% %E% SMI"
32
33 #include <netdb.h>
34 #include <nss_dbdefs.h>
35
36 #ifdef NSS_INCLUDE_UNSAFE
37
38 /*
39 * Don't free this, even on an endservent(), because bitter experience shows
40 * that there's production code that does getXXXbyYYY(), then endXXXent(),
41 * and then continues to use the pointer it got back.
42 */
43 static nss_XbyY_buf_t *buffer;
44 #define GETBUF() \
45 NSS_XbyY_ALLOC(&buffer, (int)sizeof (struct servent), NSS_BUFLEN_SERVICES)
46 /* === ?? set ENOMEM on failure? */
47
48 struct servent *
getservbyname(const char * nam,const char * proto)49 getservbyname(const char *nam, const char *proto)
50 {
51 nss_XbyY_buf_t *b;
52 struct servent *res = 0;
53
54 if ((b = GETBUF()) != 0) {
55 res = getservbyname_r(nam, proto,
56 b->result, b->buffer, b->buflen);
57 }
58 return (res);
59 }
60
61 struct servent *
getservbyport(int port,const char * proto)62 getservbyport(int port, const char *proto)
63 {
64 nss_XbyY_buf_t *b;
65 struct servent *res = 0;
66
67 if ((b = GETBUF()) != 0) {
68 res = getservbyport_r(port, proto,
69 b->result, b->buffer, b->buflen);
70 }
71 return (res);
72 }
73
74 struct servent *
getservent(void)75 getservent(void)
76 {
77 nss_XbyY_buf_t *b;
78 struct servent *res = 0;
79
80 if ((b = GETBUF()) != 0) {
81 res = getservent_r(b->result, b->buffer, b->buflen);
82 }
83 return (res);
84 }
85
86 #endif /* NSS_INCLUDE_UNSAFE */
87