io/copy_file_range.c

   1 /* Stub implementation of copy_file_range.
   2    Copyright (C) 2017-2019 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
  22 ssize_t
  23 copy_file_range (int infd, __off64_t *pinoff,
  24                  int outfd, __off64_t *poutoff,
  25                  size_t length, unsigned int flags)
  26 {
  27   __set_errno (ENOSYS);
  28   return -1;
  29 }
  30 stub_warning (copy_file_range)