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Diffstat (limited to 'libc/sysdeps/mach/hurd/opendir.c')
-rw-r--r--libc/sysdeps/mach/hurd/opendir.c93
1 files changed, 93 insertions, 0 deletions
diff --git a/libc/sysdeps/mach/hurd/opendir.c b/libc/sysdeps/mach/hurd/opendir.c
new file mode 100644
index 000000000..23e04ede0
--- /dev/null
+++ b/libc/sysdeps/mach/hurd/opendir.c
@@ -0,0 +1,93 @@
+/* Copyright (C) 1993,1994,1995,1996,1997,1998,2001,2003,2005,2006
+ 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 <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. */
+ __spin_lock (&d->port.lock);
+ d->flags |= FD_CLOEXEC;
+ __spin_unlock (&d->port.lock);
+
+ 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)