b6cbf7203b
This patch imports the unmodified current version of NetBSD libc. The NetBSD includes are in /nbsd_include, while the libc code itself is split between lib/nbsd_libc and common/lib/libc.
85 lines
2.6 KiB
C
85 lines
2.6 KiB
C
/* $NetBSD: closedir.c,v 1.16 2010/09/26 02:26:59 yamt Exp $ */
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/*
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* Copyright (c) 1983, 1993
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* Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#if defined(LIBC_SCCS) && !defined(lint)
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#if 0
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static char sccsid[] = "@(#)closedir.c 8.1 (Berkeley) 6/10/93";
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#else
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__RCSID("$NetBSD: closedir.c,v 1.16 2010/09/26 02:26:59 yamt Exp $");
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#endif
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#endif /* LIBC_SCCS and not lint */
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#include "namespace.h"
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#include "reentrant.h"
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#include "extern.h"
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#include <sys/types.h>
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#include <assert.h>
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#include <dirent.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "dirent_private.h"
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#ifdef __weak_alias
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__weak_alias(closedir,_closedir)
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#endif
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/*
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* close a directory.
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*/
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int
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closedir(DIR *dirp)
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{
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int fd;
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_DIAGASSERT(dirp != NULL);
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#ifdef _REENTRANT
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if (__isthreaded)
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mutex_lock((mutex_t *)dirp->dd_lock);
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#endif
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fd = dirp->dd_fd;
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dirp->dd_fd = -1;
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_finidir(dirp);
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#ifdef _REENTRANT
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if (__isthreaded) {
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mutex_unlock((mutex_t *)dirp->dd_lock);
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mutex_destroy((mutex_t *)dirp->dd_lock);
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free(dirp->dd_lock);
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}
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#endif
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free((void *)dirp);
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return(close(fd));
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}
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