xref: /netbsd/lib/libc/nls/catclose.c (revision 90275da6)
1 /*	$NetBSD: catclose.c,v 1.14 2012/06/25 22:32:45 abs Exp $	*/
2 
3 /*-
4  * Copyright (c) 1996 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by J.T. Conklin.
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 
32 #include <sys/cdefs.h>
33 #if defined(LIBC_SCCS) && !defined(lint)
34 __RCSID("$NetBSD: catclose.c,v 1.14 2012/06/25 22:32:45 abs Exp $");
35 #endif /* LIBC_SCCS and not lint */
36 
37 #define _NLS_PRIVATE
38 
39 #include "namespace.h"
40 #include <sys/types.h>
41 #include <sys/mman.h>
42 #include <errno.h>
43 #include <stdlib.h>
44 #include <nl_types.h>
45 
46 #ifdef __weak_alias
__weak_alias(catclose,_catclose)47 __weak_alias(catclose, _catclose)
48 #endif
49 
50 int
51 _catclose(nl_catd catd)
52 {
53 	if (catd == (nl_catd) -1) {
54 		errno = EBADF;
55 		return -1;
56 	}
57 
58 	if (catd) {
59 		munmap(catd->__data, (size_t)catd->__size);
60 		free (catd);
61 	}
62 
63 	return 0;
64 }
65