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1 | /* Generic version of preadv2. |
2 | Copyright (C) 2017 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 | <http://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #include <unistd.h> | |
20 | #include <sys/uio.h> | |
21 | ||
22 | #ifndef __OFF_T_MATCHES_OFF64_T | |
23 | ||
24 | /* Since we define no flags for preadv2 just route to preadv. */ | |
25 | ssize_t | |
26 | preadv2 (int fd, const struct iovec *vector, int count, OFF_T offset, | |
27 | int flags) | |
28 | { | |
29 | if (flags != 0) | |
30 | { | |
31 | __set_errno (EOPNOTSUPP); | |
32 | return -1; | |
33 | } | |
34 | ||
35 | return preadv (fd, vector, count, offset); | |
36 | } | |
37 | ||
38 | #endif |