summaryrefslogtreecommitdiff
path: root/sysdeps/posix/pwritev64v2.c
blob: 7a3a3239d79d844e0cb3ce1c518f99e0ba9011e1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
/* Generic version of pwritev2.
   Copyright (C) 2017-2018 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#include <errno.h>
#include <unistd.h>
#include <sys/uio.h>

/* Since we define no flags for pwritev2 just route to pwritev.  */
ssize_t
pwritev64v2 (int fd, const struct iovec *vector, int count, off64_t offset,
	     int flags)
{
  if (flags != 0)
    {
      __set_errno (ENOTSUP);
      return -1;
    }

  if (offset == -1)
    return __writev (fd, vector, count);
  else
    return pwritev64 (fd, vector, count, offset);
}

#ifdef __OFF_T_MATCHES_OFF64_T
strong_alias (pwritev64v2, pwritev2)
#endif