1: /* _hurd_fd_write -- write to a file descriptor; handles job control et al.
    2:    Copyright (C) 1993,94,95,97,99,2002 Free Software Foundation, Inc.
    3:    This file is part of the GNU C Library.
    4: 
    5:    The GNU C Library is free software; you can redistribute it and/or
    6:    modify it under the terms of the GNU Lesser General Public
    7:    License as published by the Free Software Foundation; either
    8:    version 2.1 of the License, or (at your option) any later version.
    9: 
   10:    The GNU C Library is distributed in the hope that it will be useful,
   11:    but WITHOUT ANY WARRANTY; without even the implied warranty of
   12:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   13:    Lesser General Public License for more details.
   14: 
   15:    You should have received a copy of the GNU Lesser General Public
   16:    License along with the GNU C Library; if not, write to the Free
   17:    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   18:    02111-1307 USA.  */
   19: 
   20: #include <errno.h>
   21: #include <unistd.h>
   22: #include <hurd.h>
   23: #include <hurd/fd.h>
   24: 
   25: error_t
   26: _hurd_fd_write (struct hurd_fd *fd,
   27:                 const void *buf, size_t *nbytes, loff_t offset)
   28: {
   29:   error_t err;
   30:   mach_msg_type_number_t wrote;
   31: 
   32:   error_t writefd (io_t port)
   33:     {
   34:       return __io_write (port, buf, *nbytes, offset, &wrote);
   35:     }
   36: 
   37:   err = HURD_FD_PORT_USE (fd, _hurd_ctty_output (port, ctty, writefd));
   38: 
   39:   if (! err)
   40:     *nbytes = wrote;
   41: 
   42:   return err;
   43: }