85 lines
2.6 KiB
C
85 lines
2.6 KiB
C
/* $NetBSD: closedir.c,v 1.13 2003/08/07 16:42:46 agc Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1983, 1993
|
|
* Regents of the University of California. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
|
#if 0
|
|
static char sccsid[] = "@(#)closedir.c 8.1 (Berkeley) 6/10/93";
|
|
#else
|
|
__RCSID("$NetBSD: closedir.c,v 1.13 2003/08/07 16:42:46 agc Exp $");
|
|
#endif
|
|
#endif /* LIBC_SCCS and not lint */
|
|
|
|
#include "namespace.h"
|
|
#include "reentrant.h"
|
|
#include <sys/types.h>
|
|
|
|
#include <assert.h>
|
|
#include <dirent.h>
|
|
#include <errno.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
|
|
#ifdef __weak_alias
|
|
__weak_alias(closedir,_closedir)
|
|
#endif
|
|
|
|
/*
|
|
* close a directory.
|
|
*/
|
|
int
|
|
closedir(dirp)
|
|
DIR *dirp;
|
|
{
|
|
int fd;
|
|
|
|
_DIAGASSERT(dirp != NULL);
|
|
|
|
#ifdef _REENTRANT
|
|
if (__isthreaded)
|
|
mutex_lock((mutex_t *)dirp->dd_lock);
|
|
#endif
|
|
__seekdir(dirp, dirp->dd_rewind); /* free seekdir storage */
|
|
fd = dirp->dd_fd;
|
|
dirp->dd_fd = -1;
|
|
dirp->dd_loc = 0;
|
|
free((void *)dirp->dd_buf);
|
|
#ifdef _REENTRANT
|
|
if (__isthreaded) {
|
|
mutex_unlock((mutex_t *)dirp->dd_lock);
|
|
mutex_destroy((mutex_t *)dirp->dd_lock);
|
|
free(dirp->dd_lock);
|
|
}
|
|
#endif
|
|
free((void *)dirp);
|
|
return(close(fd));
|
|
}
|