1/* $NetBSD: getprotoent.c,v 1.11 2005/04/18 19:39:45 kleink Exp $ */ 2 3/*- 4 * Copyright (c) 2004 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Christos Zoulas. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31#include <sys/cdefs.h> 32 33#if defined(LIBC_SCCS) && !defined(lint) 34__RCSID("$NetBSD: getprotoent.c,v 1.11 2005/04/18 19:39:45 kleink Exp $"); 35#endif /* LIBC_SCCS and not lint */ 36 37#include "namespace.h" 38#include "reentrant.h" 39 40#include <netdb.h> 41 42#include "protoent.h" 43 44#ifdef __weak_alias 45__weak_alias(endprotoent,_endprotoent) 46__weak_alias(getprotoent,_getprotoent) 47__weak_alias(setprotoent,_setprotoent) 48#endif 49 50#ifdef _REENTRANT 51mutex_t _protoent_mutex = MUTEX_INITIALIZER; 52#endif 53struct protoent_data _protoent_data; 54 55void 56setprotoent(int f) 57{ 58 mutex_lock(&_protoent_mutex); 59 setprotoent_r(f, &_protoent_data); 60 mutex_unlock(&_protoent_mutex); 61} 62 63void 64endprotoent(void) 65{ 66 mutex_lock(&_protoent_mutex); 67 endprotoent_r(&_protoent_data); 68 mutex_unlock(&_protoent_mutex); 69} 70 71struct protoent * 72getprotoent(void) 73{ 74 struct protoent *p; 75 76 mutex_lock(&_protoent_mutex); 77 p = getprotoent_r(&_protoent_data.proto, &_protoent_data); 78 mutex_unlock(&_protoent_mutex); 79 return (p); 80} 81