| /* Copyright (C) 2007, 2009 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, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| #include <errno.h> |
| #include <fcntl.h> |
| #include <sysdep.h> |
| |
| |
| extern int __call_fallocate (int fd, int mode, __off64_t offset, __off64_t len) |
| attribute_hidden; |
| |
| |
| /* Reserve storage for the data of the file associated with FD. */ |
| int |
| fallocate64 (int fd, int mode, __off64_t offset, __off64_t len) |
| { |
| #ifdef __NR_fallocate |
| int err = __call_fallocate (fd, mode, offset, len); |
| if (__builtin_expect (err, 0)) |
| { |
| __set_errno (err); |
| err = -1; |
| } |
| return err; |
| #else |
| __set_errno (ENOSYS); |
| return -1; |
| #endif |
| } |
