]>
Commit | Line | Data |
---|---|---|
688903eb | 1 | /* Copyright (C) 1991-2018 Free Software Foundation, Inc. |
ebbad4cc | 2 | This file is part of the GNU C Library. |
28f540f4 | 3 | |
ebbad4cc | 4 | The GNU C Library is free software; you can redistribute it and/or |
41bdb6e2 AJ |
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. | |
28f540f4 | 8 | |
ebbad4cc UD |
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 | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
28f540f4 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
28f540f4 | 17 | |
28f540f4 | 18 | #include <errno.h> |
28f540f4 | 19 | #include <fcntl.h> |
a53bad16 UD |
20 | #include <sys/types.h> |
21 | #include <unistd.h> | |
22 | #include <hurd.h> | |
28f540f4 RM |
23 | |
24 | /* Truncate FILE_NAME to LENGTH bytes. */ | |
25 | int | |
bd2260a2 | 26 | __truncate (const char *file_name, off_t length) |
28f540f4 RM |
27 | { |
28 | error_t err; | |
29 | file_t file = __file_name_lookup (file_name, O_WRITE, 0); | |
30 | ||
31 | if (file == MACH_PORT_NULL) | |
32 | return -1; | |
33 | ||
e537c55e | 34 | err = __file_set_size (file, length); |
28f540f4 RM |
35 | __mach_port_deallocate (__mach_task_self (), file); |
36 | ||
37 | if (err) | |
38 | return __hurd_fail (err); | |
39 | return 0; | |
40 | } | |
f5164429 | 41 | weak_alias (__truncate, truncate) |