1 | /* Generic version of pwritev2. |
2 | Copyright (C) 2017-2022 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 | /* Since we define no flags for pwritev2 just route to pwritev. */ |
24 | ssize_t |
25 | pwritev64v2 (int fd, const struct iovec *vector, int count, off64_t offset, |
26 | int flags) |
27 | { |
28 | if (flags != 0) |
29 | { |
30 | __set_errno (ENOTSUP); |
31 | return -1; |
32 | } |
33 | |
34 | if (offset == -1) |
35 | return __writev (fd, vector, count); |
36 | else |
37 | return pwritev64 (fd, vector, count, offset); |
38 | } |
39 | |
40 | #ifdef __OFF_T_MATCHES_OFF64_T |
41 | strong_alias (pwritev64v2, pwritev2) |
42 | #endif |
43 | |