xref: /onnv-gate/usr/src/lib/libsocket/inet/getnetent.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright (c) 1986-1992,2001 by Sun Microsystems, Inc.
24*0Sstevel@tonic-gate  * All rights reserved.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate #include <netdb.h>
30*0Sstevel@tonic-gate #include <nss_dbdefs.h>
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate 
33*0Sstevel@tonic-gate #ifdef	NSS_INCLUDE_UNSAFE
34*0Sstevel@tonic-gate 
35*0Sstevel@tonic-gate /*
36*0Sstevel@tonic-gate  * Ye olde non-reentrant interface (MT-unsafe, caveat utor)
37*0Sstevel@tonic-gate  */
38*0Sstevel@tonic-gate 
39*0Sstevel@tonic-gate /*
40*0Sstevel@tonic-gate  * Don't free this, even on an endnetent(), because bitter experience shows
41*0Sstevel@tonic-gate  * that there's production code that does getXXXbyYYY(), then endXXXent(),
42*0Sstevel@tonic-gate  * and then continues to use the pointer it got back.
43*0Sstevel@tonic-gate  */
44*0Sstevel@tonic-gate static nss_XbyY_buf_t *buffer;
45*0Sstevel@tonic-gate #define	GETBUF()	\
46*0Sstevel@tonic-gate NSS_XbyY_ALLOC(&buffer, (int)sizeof (struct netent), NSS_BUFLEN_NETWORKS)
47*0Sstevel@tonic-gate 	/* === ?? set ENOMEM on failure?  */
48*0Sstevel@tonic-gate 
49*0Sstevel@tonic-gate struct netent *
getnetbyname(const char * nam)50*0Sstevel@tonic-gate getnetbyname(const char *nam)
51*0Sstevel@tonic-gate {
52*0Sstevel@tonic-gate 	nss_XbyY_buf_t	*b;
53*0Sstevel@tonic-gate 	struct netent	*res = 0;
54*0Sstevel@tonic-gate 
55*0Sstevel@tonic-gate 	if ((b = GETBUF()) != 0) {
56*0Sstevel@tonic-gate 		res = getnetbyname_r(nam, b->result, b->buffer, b->buflen);
57*0Sstevel@tonic-gate 	}
58*0Sstevel@tonic-gate 	return (res);
59*0Sstevel@tonic-gate }
60*0Sstevel@tonic-gate 
61*0Sstevel@tonic-gate struct netent *
getnetbyaddr(in_addr_t net,int type)62*0Sstevel@tonic-gate getnetbyaddr(in_addr_t net, int type)
63*0Sstevel@tonic-gate {
64*0Sstevel@tonic-gate 	nss_XbyY_buf_t	*b;
65*0Sstevel@tonic-gate 	struct netent	*res = 0;
66*0Sstevel@tonic-gate 
67*0Sstevel@tonic-gate 	if ((b = GETBUF()) != 0) {
68*0Sstevel@tonic-gate 		res = getnetbyaddr_r(net, type, b->result,
69*0Sstevel@tonic-gate 				b->buffer, b->buflen);
70*0Sstevel@tonic-gate 	}
71*0Sstevel@tonic-gate 	return (res);
72*0Sstevel@tonic-gate }
73*0Sstevel@tonic-gate 
74*0Sstevel@tonic-gate struct netent *
getnetent(void)75*0Sstevel@tonic-gate getnetent(void)
76*0Sstevel@tonic-gate {
77*0Sstevel@tonic-gate 	nss_XbyY_buf_t	*b;
78*0Sstevel@tonic-gate 	struct netent	*res = 0;
79*0Sstevel@tonic-gate 
80*0Sstevel@tonic-gate 	if ((b = GETBUF()) != 0) {
81*0Sstevel@tonic-gate 		res = getnetent_r(b->result, b->buffer, b->buflen);
82*0Sstevel@tonic-gate 	}
83*0Sstevel@tonic-gate 	return (res);
84*0Sstevel@tonic-gate }
85*0Sstevel@tonic-gate 
86*0Sstevel@tonic-gate #endif	/* NSS_INCLUDE_UNSAFE */
87