glibc/sysdeps/mach/hurd/fdopendir.c
Ulrich Drepper d369ad760d [BZ #2226]
2006-02-12  Ulrich Drepper  <drepper@redhat.com>
	* io/ftw.c: Start using *at functions.
	* io/ftw64.c: Likewise.

	* sysdeps/generic/not-cancel.h: Define openat_not_cancel,
	openat_not_cancel_3, openat64_not_cancel, and openat64_not_cancel_3.
	* sysdeps/unix/sysv/linux/not-cancel.h: Likewise.

	* sysdeps/unix/sysv/linux/openat.c: Create separate _nocancel
	functions.

	* io/fxstatat.c: Add __fxstatat alias.
	* sysdeps/unix/sysv/linux/wordsize-64/fxstatat.c: Likewise.
	* sysdeps/unix/sysv/linux/fxstatat.c: Likewise.  Add support for
	newfstatat syscall.
	* sysdeps/unix/sysv/linux/i386/fxstatat.c: Add __fxstatat alias.
	Add support for fstatat64 syscall.
	* include/sys/stat.h: Declare __fxstatat.
	* io/fxstatat64.c: Add __fxstatat64 alias.
	* sysdeps/unix/sysv/linux/fxstatat64.c: Add support for fstatat64
	syscall.

	* dirent/fdopendir.c: Add __fdopendir alias.
	* sysdeps/unix/fdopendir.c: Likewise.
	* sysdeps/mach/hurd/fdopendir.c: Likewise.
	* include/dirent.h: Add __fdopendir declaration.

	[BZ #2226]
	* libio/wgenops.c (_IO_wsetb): Use correct size of wide char
	buffer in FREE_BUF call.
2006-02-12 21:41:44 +00:00

58 lines
1.6 KiB
C

/* Open a directory stream from a file descriptor. Hurd version.
Copyright (C) 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 <dirent.h>
#include <errno.h>
#include <hurd.h>
#include <hurd/fd.h>
#include <fcntl.h>
DIR *_hurd_fd_opendir (struct hurd_fd *d); /* opendir.c */
/* Open a directory stream on FD. */
DIR *
__fdopendir (int fd)
{
struct hurd_fd *d = _hurd_fd_get (fd);
if (d == NULL)
{
errno = EBADF;
return NULL;
}
/* Ensure that it's a directory. */
error_t err = HURD_FD_PORT_USE
(d, ({
file_t dir = __file_name_lookup_under (port, "/", O_NOTRANS, 0);
if (dir != MACH_PORT_NULL)
__mach_port_deallocate (__mach_task_self (), dir);
dir != MACH_PORT_NULL ? 0 : errno;
}));
if (err)
{
errno = err;
return NULL;
}
return _hurd_fd_opendir (d);
}
weak_alias (__fdopendir, fdopendir)