1 /*	$NetBSD: getservbyname.c,v 1.14 2008/04/28 20:23:00 martin Exp $	*/
2 
3 /*-
4  * Copyright (c) 2004 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Christos Zoulas.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 #include <sys/cdefs.h>
32 #if defined(LIBC_SCCS) && !defined(lint)
33 __RCSID("$NetBSD: getservbyname.c,v 1.14 2008/04/28 20:23:00 martin Exp $");
34 #endif /* LIBC_SCCS and not lint */
35 
36 #include "namespace.h"
37 #include "reentrant.h"
38 
39 #include <netdb.h>
40 
41 #include "servent.h"
42 
43 #ifdef __weak_alias
44 __weak_alias(getservbyname,_getservbyname)
45 #endif
46 
47 #ifdef _REENTRANT
48 extern mutex_t _servent_mutex;
49 #endif
50 extern struct servent_data _servent_data;
51 
52 struct servent *
getservbyname(const char * name,const char * proto)53 getservbyname(const char *name, const char *proto)
54 {
55 	struct servent *s;
56 
57 	mutex_lock(&_servent_mutex);
58 	s = getservbyname_r(name, proto, &_servent_data.serv, &_servent_data);
59 	mutex_unlock(&_servent_mutex);
60 	return (s);
61 }
62