1 /* Copyright (C) 1991-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18 #include <errno.h>
19 #include <sys/types.h>
20 #include <unistd.h>
21 #include <hurd.h>
22 #include <hurd/fd.h>
23
24 /* Truncate the file referenced by FD to LENGTH bytes. */
25 int
__ftruncate(int fd,__off_t length)26 __ftruncate (int fd, __off_t length)
27 {
28 error_t err;
29 if (err = HURD_DPORT_USE (fd, __file_set_size (port, length)))
30 return __hurd_dfail (fd, err);
31 return 0;
32 }
33
34 weak_alias (__ftruncate, ftruncate)
35