| /* Stub for copy_file_range |
| Copyright 2019-2020 Free Software Foundation, Inc. |
| |
| This program is free software: you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program 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 General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <https://www.gnu.org/licenses/>. */ |
| |
| #include <config.h> |
| |
| #include <unistd.h> |
| |
| #include <errno.h> |
| |
| ssize_t |
| copy_file_range (int infd, off_t *pinoff, |
| int outfd, off_t *poutoff, |
| size_t length, unsigned int flags) |
| { |
| /* There is little need to emulate copy_file_range with read+write, |
| since programs that use copy_file_range must fall back on |
| read+write anyway. */ |
| errno = ENOSYS; |
| return -1; |
| } |