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
pwritev64v2(int fd,const struct iovec * vector,int count,off64_t offset,int flags)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