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28f540f4 | 1 | /* _hurd_fd_write -- write to a file descriptor; handles job control et al. |
bfff8b1b | 2 | Copyright (C) 1993-2017 Free Software Foundation, Inc. |
c84142e8 UD |
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 | |
41bdb6e2 AJ |
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. | |
c84142e8 UD |
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 | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
c84142e8 | 14 | |
41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
28f540f4 RM |
18 | |
19 | #include <errno.h> | |
20 | #include <unistd.h> | |
21 | #include <hurd.h> | |
22 | #include <hurd/fd.h> | |
23 | ||
24 | error_t | |
8b2134db | 25 | _hurd_fd_write (struct hurd_fd *fd, |
337738b7 | 26 | const void *buf, size_t *nbytes, loff_t offset) |
28f540f4 RM |
27 | { |
28 | error_t err; | |
29 | mach_msg_type_number_t wrote; | |
30 | ||
31 | error_t writefd (io_t port) | |
32 | { | |
8b2134db | 33 | return __io_write (port, buf, *nbytes, offset, &wrote); |
28f540f4 RM |
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 | } |