glibc/support/xcopy_file_range.c

33 lines
1.2 KiB
C

/* copy_file_range with error checking.
Copyright (C) 2018-2022 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
<https://www.gnu.org/licenses/>. */
#include <support/support.h>
#include <support/xunistd.h>
#include <support/check.h>
ssize_t
xcopy_file_range (int infd, off64_t *pinoff, int outfd, off64_t *poutoff,
size_t length, unsigned int flags)
{
ssize_t status = support_copy_file_range (infd, pinoff, outfd,
poutoff, length, flags);
if (status == -1)
FAIL_EXIT1 ("cannot copy file: %m\n");
return status;
}