source: rtems/cpukit/libnetworking/libc/getservbyport.c @ 09fdb5e8

4.104.114.84.95
Last change on this file since 09fdb5e8 was 09fdb5e8, checked in by Ralf Corsepius <ralf.corsepius@…>, on 03/30/07 at 05:15:58

Eliminate SCCS, LINT. Add HAVE_CONFIG_H.

  • Property mode set to 100644
File size: 2.5 KB
Line 
1/*
2 * Copyright (c) 1983, 1993
3 *      The Regents of the University of California.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *      This product includes software developed by the University of
16 *      California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 *  $Id$
34 */
35
36#if HAVE_CONFIG_H
37#include "config.h"
38#endif
39
40#include <netdb.h>
41#include <string.h>
42
43extern int _serv_stayopen;
44
45struct servent *
46getservbyport(port, proto)
47        int port;
48        const char *proto;
49{
50        register struct servent *p;
51
52#ifdef YP
53        extern int ___getservbyport_yp;
54        extern char *___getservbyproto_yp;
55
56        ___getservbyport_yp = port;
57        ___getservbyproto_yp = (char *)proto;
58#endif
59
60        setservent(_serv_stayopen);
61        while ( (p = getservent()) ) {
62                if (p->s_port != port)
63                        continue;
64                if (proto == 0 || strcmp(p->s_proto, proto) == 0)
65                        break;
66        }
67        if (!_serv_stayopen)
68                endservent();
69
70#ifdef YP
71        ___getservbyport_yp = 0;
72        ___getservbyproto_yp = NULL;
73#endif
74
75        return (p);
76}
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