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1/* _hurd_fd_write -- write to a file descriptor; handles job control et al.
2 Copyright (C) 1993-2019 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, see
17 <http://www.gnu.org/licenses/>. */
18
19#include <errno.h>
20#include <unistd.h>
21#include <hurd.h>
22#include <hurd/fd.h>
23
24error_t
25_hurd_fd_write (struct hurd_fd *fd,
26 const void *buf, size_t *nbytes, loff_t offset)
27{
28 error_t err;
29 mach_msg_type_number_t wrote;
30
31 error_t writefd (io_t port)
32 {
33 return __io_write (port, buf, *nbytes, offset, &wrote);
34 }
35
36 err = HURD_FD_PORT_USE (fd, _hurd_ctty_output (port, ctty, writefd));
37
38 if (! err)
39 *nbytes = wrote;
40
41 return err;
42}
43

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