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/* $NetBSD: getservbyport_r.c,v 1.3 2005/04/18 19:39:45 kleink Exp $ */
/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
#if 0
static char sccsid[] = "@(#)getservbyport.c 8.1 (Berkeley) 6/4/93";
#else
__RCSID("$NetBSD: getservbyport_r.c,v 1.3 2005/04/18 19:39:45 kleink Exp $");
#endif
#endif /* LIBC_SCCS and not lint */
#include <netdb.h>
#include <string.h>
#include "servent.h"
struct servent *
getservbyport_r(int port, const char *proto, struct servent *sp,
struct servent_data *sd)
{
struct servent *s;
setservent_r(sd->stayopen, sd);
while ((s = getservent_r(sp, sd)) != NULL) {
if (s->s_port != port)
continue;
if (proto == NULL || strcmp(s->s_proto, proto) == 0)
break;
}
if (!sd->stayopen)
if (sd->fp != NULL) {
(void)fclose(sd->fp);
sd->fp = NULL;
}
return s;
}
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