lib/libc/nls/catclose.c

   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
  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 }