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/* openat -- Open a file named relative to an open directory. Hurd version.
Copyright (C) 2006-2021 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
<https://www.gnu.org/licenses/>. */
#include <errno.h>
#include <fcntl.h>
#include <stdarg.h>
#include <stddef.h>
#include <stdio.h>
#include <sys/stat.h>
#include <hurd.h>
#include <hurd/fd.h>
#include <sysdep-cancel.h>
/* Open FILE with access OFLAG. Interpret relative paths relative to
the directory associated with FD. If O_CREAT or O_TMPFILE is in OFLAG, a
third argument is the file protection. */
int
__openat (int fd, const char *file, int oflag, ...)
{
mode_t mode;
io_t port;
int cancel_oldtype;
if (__OPEN_NEEDS_MODE (oflag))
{
va_list arg;
va_start (arg, oflag);
mode = va_arg (arg, mode_t);
va_end (arg);
}
else
mode = 0;
cancel_oldtype = LIBC_CANCEL_ASYNC();
port = __file_name_lookup_at (fd, 0, file, oflag, mode);
LIBC_CANCEL_RESET (cancel_oldtype);
if (port == MACH_PORT_NULL)
return -1;
return _hurd_intern_fd (port, oflag, 1);
}
libc_hidden_def (__openat)
weak_alias (__openat, openat)
/* openat64 is just the same as openat for us. */
weak_alias (__openat, __openat64)
libc_hidden_weak (__openat64)
weak_alias (__openat, openat64)
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