NetBSD/lib/libc/net/getservent.c

88 lines
2.9 KiB
C

/* $NetBSD: getservent.c,v 1.11 2005/04/18 19:39:45 kleink Exp $ */
/*-
* Copyright (c) 2004 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Christos Zoulas.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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)
__RCSID("$NetBSD: getservent.c,v 1.11 2005/04/18 19:39:45 kleink Exp $");
#endif /* LIBC_SCCS and not lint */
#include "namespace.h"
#include "reentrant.h"
#include <netdb.h>
#include "servent.h"
#ifdef __weak_alias
__weak_alias(endservent,_endservent)
__weak_alias(getservent,_getservent)
__weak_alias(setservent,_setservent)
#endif
#ifdef _REENTRANT
mutex_t _servent_mutex = MUTEX_INITIALIZER;
#endif
struct servent_data _servent_data;
void
setservent(int f)
{
mutex_lock(&_servent_mutex);
setservent_r(f, &_servent_data);
mutex_unlock(&_servent_mutex);
}
void
endservent(void)
{
mutex_lock(&_servent_mutex);
endservent_r(&_servent_data);
mutex_unlock(&_servent_mutex);
}
struct servent *
getservent(void)
{
struct servent *s;
mutex_lock(&_servent_mutex);
s = getservent_r(&_servent_data.serv, &_servent_data);
mutex_unlock(&_servent_mutex);
return (s);
}