sysdeps/unix/sysv/linux/copy_file_range.c

   1 /* Linux implementation of copy_file_range.
   2    Copyright (C) 2017-2024 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 <sysdep-cancel.h>
  21 #include <unistd.h>
  22
  23 ssize_t
  24 copy_file_range (int infd, __off64_t *pinoff,
  25                  int outfd, __off64_t *poutoff,
  26                  size_t length, unsigned int flags)
  27 {
  28   return SYSCALL_CANCEL (copy_file_range, infd, pinoff, outfd, poutoff,
  29                          length, flags);
  30 }