0708297e43
after an intervening call to rewinddir() is undefined, so reclaim any pending telldir() cookies in the directory when rewinddir() is called. CR: D459 Reviewed by: jilles MFC after: 1 week
65 lines
2.3 KiB
C
65 lines
2.3 KiB
C
/*-
|
|
* Copyright (c) 1990, 1993
|
|
* The 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.
|
|
* 4. 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.
|
|
*/
|
|
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
|
static char sccsid[] = "@(#)rewinddir.c 8.1 (Berkeley) 6/8/93";
|
|
#endif /* LIBC_SCCS and not lint */
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include "namespace.h"
|
|
#include <sys/types.h>
|
|
#include <dirent.h>
|
|
#include <pthread.h>
|
|
#include <unistd.h>
|
|
#include "un-namespace.h"
|
|
|
|
#include "libc_private.h"
|
|
#include "gen-private.h"
|
|
#include "telldir.h"
|
|
|
|
void
|
|
rewinddir(dirp)
|
|
DIR *dirp;
|
|
{
|
|
|
|
if (__isthreaded)
|
|
_pthread_mutex_lock(&dirp->dd_lock);
|
|
if (dirp->dd_flags & __DTF_READALL)
|
|
_filldir(dirp, false);
|
|
else if (dirp->dd_seek != 0) {
|
|
(void) lseek(dirp->dd_fd, 0, SEEK_SET);
|
|
dirp->dd_seek = 0;
|
|
}
|
|
dirp->dd_loc = 0;
|
|
_reclaim_telldir(dirp);
|
|
if (__isthreaded)
|
|
_pthread_mutex_unlock(&dirp->dd_lock);
|
|
}
|