1/*	$NetBSD: getprotobyname_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#if defined(LIBC_SCCS) && !defined(lint)
34#if 0
35static char sccsid[] = "@(#)getprotoname.c	8.1 (Berkeley) 6/4/93";
36#else
37__RCSID("$NetBSD: getprotobyname_r.c,v 1.3 2005/04/18 19:39:45 kleink Exp $");
38#endif
39#endif /* LIBC_SCCS and not lint */
40
41#include "namespace.h"
42
43#include <assert.h>
44#include <netdb.h>
45#include <string.h>
46
47#include "protoent.h"
48
49#ifdef __weak_alias
50__weak_alias(getprotobyname_r,_getprotobyname_r)
51#endif
52
53struct protoent *
54getprotobyname_r(const char *name, struct protoent *pr,
55    struct protoent_data *pd)
56{
57	struct protoent *p;
58	char **cp;
59
60	_DIAGASSERT(name != NULL);
61
62	setprotoent_r(pd->stayopen, pd);
63	while ((p = getprotoent_r(pr, pd)) != NULL) {
64		if (strcmp(p->p_name, name) == 0)
65			break;
66		for (cp = p->p_aliases; *cp != NULL; cp++)
67			if (strcmp(*cp, name) == 0)
68				goto found;
69	}
70found:
71	if (!pd->stayopen)
72		if (pd->fp != NULL) {
73			(void)fclose(pd->fp);
74			pd->fp = NULL;
75		}
76	return p;
77}
78