| 1 | /* Generic version of pwritev2. |
|---|---|
| 2 | Copyright (C) 2017-2024 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <https://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include <errno.h> |
| 20 | #include <unistd.h> |
| 21 | #include <sys/uio.h> |
| 22 | |
| 23 | #ifndef __OFF_T_MATCHES_OFF64_T |
| 24 | |
| 25 | /* Since we define no flags for pwritev2 just route to pwritev. */ |
| 26 | ssize_t |
| 27 | pwritev2 (int fd, const struct iovec *vector, int count, off_t offset, |
| 28 | int flags) |
| 29 | { |
| 30 | if (flags != 0) |
| 31 | { |
| 32 | __set_errno (ENOTSUP); |
| 33 | return -1; |
| 34 | } |
| 35 | |
| 36 | if (offset == -1) |
| 37 | return __writev (fd, vector, count); |
| 38 | else |
| 39 | return pwritev (fd, vector, count, offset); |
| 40 | } |
| 41 | |
| 42 | #endif |
| 43 |