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[glibc/history.git] / hurd / fd-write.c
blobb6958177b080b7b8a5a93dc05cf65b1e6ef50675
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.
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.
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.
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. */
20 #include <errno.h>
21 #include <unistd.h>
22 #include <hurd.h>
23 #include <hurd/fd.h>
25 error_t
26 _hurd_fd_write (struct hurd_fd *fd,
27 const void *buf, size_t *nbytes, loff_t offset)
29 error_t err;
30 mach_msg_type_number_t wrote;
32 error_t writefd (io_t port)
34 return __io_write (port, buf, *nbytes, offset, &wrote);
37 err = HURD_FD_PORT_USE (fd, _hurd_ctty_output (port, ctty, writefd));
39 if (! err)
40 *nbytes = wrote;
42 return err;