1*ce099b40Smartin /* $NetBSD: getprotoent.c,v 1.12 2008/04/28 20:23:00 martin Exp $ */
2ef0582f1Scgd
3ec210d4aSchristos /*-
4ec210d4aSchristos * Copyright (c) 2004 The NetBSD Foundation, Inc.
5ec210d4aSchristos * All rights reserved.
6ec210d4aSchristos *
7ec210d4aSchristos * This code is derived from software contributed to The NetBSD Foundation
8ec210d4aSchristos * by Christos Zoulas.
961f28255Scgd *
1061f28255Scgd * Redistribution and use in source and binary forms, with or without
1161f28255Scgd * modification, are permitted provided that the following conditions
1261f28255Scgd * are met:
1361f28255Scgd * 1. Redistributions of source code must retain the above copyright
1461f28255Scgd * notice, this list of conditions and the following disclaimer.
1561f28255Scgd * 2. Redistributions in binary form must reproduce the above copyright
1661f28255Scgd * notice, this list of conditions and the following disclaimer in the
1761f28255Scgd * documentation and/or other materials provided with the distribution.
1861f28255Scgd *
19ec210d4aSchristos * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20ec210d4aSchristos * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21ec210d4aSchristos * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22ec210d4aSchristos * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23ec210d4aSchristos * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24ec210d4aSchristos * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25ec210d4aSchristos * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26ec210d4aSchristos * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27ec210d4aSchristos * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28ec210d4aSchristos * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29ec210d4aSchristos * POSSIBILITY OF SUCH DAMAGE.
3061f28255Scgd */
318d36d340Schristos #include <sys/cdefs.h>
32ec210d4aSchristos
3361f28255Scgd #if defined(LIBC_SCCS) && !defined(lint)
34*ce099b40Smartin __RCSID("$NetBSD: getprotoent.c,v 1.12 2008/04/28 20:23:00 martin Exp $");
3561f28255Scgd #endif /* LIBC_SCCS and not lint */
3661f28255Scgd
3743fa6fe3Sjtc #include "namespace.h"
38f38bfebbSmycroft #include "reentrant.h"
39f38bfebbSmycroft
4061f28255Scgd #include <netdb.h>
4161f28255Scgd
424e3cae58Skleink #include "protoent.h"
434e3cae58Skleink
4443fa6fe3Sjtc #ifdef __weak_alias
4560549036Smycroft __weak_alias(endprotoent,_endprotoent)
4660549036Smycroft __weak_alias(getprotoent,_getprotoent)
4760549036Smycroft __weak_alias(setprotoent,_setprotoent)
4843fa6fe3Sjtc #endif
4943fa6fe3Sjtc
50f38bfebbSmycroft #ifdef _REENTRANT
51f38bfebbSmycroft mutex_t _protoent_mutex = MUTEX_INITIALIZER;
52f38bfebbSmycroft #endif
53ec210d4aSchristos struct protoent_data _protoent_data;
5461f28255Scgd
5561f28255Scgd void
setprotoent(int f)56ec210d4aSchristos setprotoent(int f)
5761f28255Scgd {
58f38bfebbSmycroft mutex_lock(&_protoent_mutex);
59ec210d4aSchristos setprotoent_r(f, &_protoent_data);
60f38bfebbSmycroft mutex_unlock(&_protoent_mutex);
6161f28255Scgd }
6261f28255Scgd
6361f28255Scgd void
endprotoent(void)64ec210d4aSchristos endprotoent(void)
6561f28255Scgd {
66f38bfebbSmycroft mutex_lock(&_protoent_mutex);
67ec210d4aSchristos endprotoent_r(&_protoent_data);
68f38bfebbSmycroft mutex_unlock(&_protoent_mutex);
6961f28255Scgd }
7061f28255Scgd
7161f28255Scgd struct protoent *
getprotoent(void)72ec210d4aSchristos getprotoent(void)
7361f28255Scgd {
74f38bfebbSmycroft struct protoent *p;
75f38bfebbSmycroft
76f38bfebbSmycroft mutex_lock(&_protoent_mutex);
77f38bfebbSmycroft p = getprotoent_r(&_protoent_data.proto, &_protoent_data);
78f38bfebbSmycroft mutex_unlock(&_protoent_mutex);
79f38bfebbSmycroft return (p);
8061f28255Scgd }
81