glibc/sysdeps/unix/closedir.c

52 lines
1.5 KiB
C

/* Copyright (C) 1991,1993,1995,1996,1998,2002 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <errno.h>
#include <stddef.h>
#include <stdlib.h>
#include <dirent.h>
#include <unistd.h>
#include <dirstream.h>
/* Close the directory stream DIRP.
Return 0 if successful, -1 if not. */
int
__closedir (DIR *dirp)
{
int fd;
if (dirp == NULL)
{
__set_errno (EINVAL);
return -1;
}
/* We do not try to synchronize access here. If some other thread
still uses this handle it is a big mistake and that thread
deserves all the bad data it gets. */
fd = dirp->fd;
__libc_lock_fini (dirp->lock);
free ((void *) dirp);
return __close (fd);
}
weak_alias (__closedir, closedir)