(root)/
glibc-2.38/
support/
xcopy_file_range.c
       1  /* copy_file_range with error checking.
       2     Copyright (C) 2018-2023 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 <support/support.h>
      20  #include <support/xunistd.h>
      21  #include <support/check.h>
      22  
      23  ssize_t
      24  xcopy_file_range (int infd, off64_t *pinoff, int outfd, off64_t *poutoff,
      25  		  size_t length, unsigned int flags)
      26  {
      27    ssize_t status = support_copy_file_range (infd, pinoff, outfd,
      28  					    poutoff, length, flags);
      29    if (status == -1)
      30      FAIL_EXIT1 ("cannot copy file: %m\n");
      31    return status;
      32  }