1/*	$NetBSD: getservbyname_r.c,v 1.3 2005/04/18 19:39:45 kleink Exp $	*/
2
3/*
4 * Copyright (c) 1983, 1993
5 *	The Regents of the University of California.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 *    may be used to endorse or promote products derived from this software
17 *    without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32#include <sys/cdefs.h>
33#include <sys/types.h>
34#if defined(LIBC_SCCS) && !defined(lint)
35#if 0
36static char sccsid[] = "@(#)getservbyname.c	8.1 (Berkeley) 6/4/93";
37#else
38__RCSID("$NetBSD: getservbyname_r.c,v 1.3 2005/04/18 19:39:45 kleink Exp $");
39#endif
40#endif /* LIBC_SCCS and not lint */
41
42#include <assert.h>
43#include <netdb.h>
44#include <string.h>
45
46#include "servent.h"
47
48struct servent *
49getservbyname_r(const char *name, const char *proto, struct servent *sp,
50    struct servent_data *sd)
51{
52	struct servent *s;
53	char **cp;
54
55	assert(name != NULL);
56	/* proto may be NULL */
57
58	setservent_r(sd->stayopen, sd);
59	while ((s = getservent_r(sp, sd)) != NULL) {
60		if (strcmp(name, s->s_name) == 0)
61			goto gotname;
62		for (cp = s->s_aliases; *cp; cp++)
63			if (strcmp(name, *cp) == 0)
64				goto gotname;
65		continue;
66gotname:
67		if (proto == NULL || strcmp(s->s_proto, proto) == 0)
68			break;
69	}
70	if (!sd->stayopen)
71		if (sd->fp != NULL) {
72			(void)fclose(sd->fp);
73			sd->fp = NULL;
74		}
75	return s;
76}
77