/* Copyright (C) 1993-2012 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 <limits.h> #include <stddef.h> #include <stdlib.h> #include <string.h> #include <dirent.h> #include <fcntl.h> #include <sys/types.h> #include <sys/stat.h> #include <unistd.h> #include <stdio.h> #include <hurd.h> #include <hurd/fd.h> #include "dirstream.h" /* Open a directory stream on a file descriptor in Hurd internal form. We do no checking here on the descriptor. */ DIR * _hurd_fd_opendir (struct hurd_fd *d) { DIR *dirp; if (d == NULL) { errno = EBADF; return NULL; } dirp = (DIR *) malloc (sizeof (DIR)); if (dirp == NULL) return NULL; /* Set the descriptor to close on exec. */ HURD_CRITICAL_BEGIN; __spin_lock (&d->port.lock); d->flags |= FD_CLOEXEC; __spin_unlock (&d->port.lock); HURD_CRITICAL_END; dirp->__fd = d; dirp->__data = dirp->__ptr = NULL; dirp->__entry_data = dirp->__entry_ptr = 0; dirp->__allocation = 0; dirp->__size = 0; __libc_lock_init (dirp->__lock); return dirp; } /* Open a directory stream on NAME. */ DIR * __opendir (const char *name) { if (name[0] == '\0') { /* POSIX.1-1990 says an empty name gets ENOENT; but `open' might like it fine. */ __set_errno (ENOENT); return NULL; } int fd = __open (name, O_RDONLY | O_NONBLOCK | O_DIRECTORY); if (fd < 0) return NULL; /* Extract the pointer to the descriptor structure. */ DIR *dirp = _hurd_fd_opendir (_hurd_fd_get (fd)); if (dirp == NULL) __close (fd); return dirp; } weak_alias (__opendir, opendir)