sysdeps/posix/pwritev64v2.c

   1 /* Generic version of pwritev2.
   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 /* Since we define no flags for pwritev2 just route to pwritev.  */
  23 ssize_t
  24 pwritev64v2 (int fd, const struct iovec *vector, int count, OFF_T offset,
  25              int flags)
  26 {
  27   if (flags != 0)
  28     {
  29       __set_errno (EOPNOTSUPP);
  30       return -1;
  31     }
  32
  33   return pwritev64 (fd, vector, count, offset);
  34 }
  35
  36 #ifdef __OFF_T_MATCHES_OFF64_T
  37 strong_alias (pwritev64v2, pwritev2)
  38 #endif