| /* Copyright (C) 1991-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <errno.h> |
| #include <fcntl.h> |
| #include <sys/types.h> |
| #include <unistd.h> |
| #include <hurd.h> |
| |
| /* Truncate FILE_NAME to LENGTH bytes. */ |
| int |
| __truncate (file_name, length) |
| const char *file_name; |
| off_t length; |
| { |
| error_t err; |
| file_t file = __file_name_lookup (file_name, O_WRITE, 0); |
| |
| if (file == MACH_PORT_NULL) |
| return -1; |
| |
| err = __file_set_size (file, length); |
| __mach_port_deallocate (__mach_task_self (), file); |
| |
| if (err) |
| return __hurd_fail (err); |
| return 0; |
| } |
| weak_alias (__truncate, truncate) |