glibc/sysdeps/mach/hurd/seekdir.c
Joseph Myers 04277e02d7 Update copyright dates with scripts/update-copyrights.
* All files with FSF copyright notices: Update copyright dates
	using scripts/update-copyrights.
	* locale/programs/charmap-kw.h: Regenerated.
	* locale/programs/locfile-kw.h: Likewise.
2019-01-01 00:11:28 +00:00

39 lines
1.3 KiB
C

/* Copyright (C) 1993-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <stddef.h>
#include <dirent.h>
#include <unistd.h>
#include "dirstream.h"
/* Seek to position POS in DIRP. */
void
__seekdir (DIR *dirp, long int pos)
{
__libc_lock_lock (dirp->__lock);
/* Change our entry index pointer to POS and discard any data already
read. The next `readdir' call will notice the empty block and read
anew from the location in DIRP->__entry_ptr and reset the other state
variables. */
dirp->__entry_ptr = pos;
dirp->__size = 0;
__libc_lock_unlock (dirp->__lock);
}
weak_alias (__seekdir, seekdir)