mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-15 04:20:28 +08:00
45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
/* Copyright (C) 2005-2024 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 <errno.h>
|
|
#include <fcntl.h>
|
|
#include <stddef.h>
|
|
#include <unistd.h>
|
|
|
|
|
|
/* Make a link to FROM relative to FROMFD called TO relative to TOFD. */
|
|
int
|
|
linkat (int fromfd, const char *from, int tofd, const char *to, int flags)
|
|
{
|
|
if (from == NULL || to == NULL)
|
|
{
|
|
__set_errno (EINVAL);
|
|
return -1;
|
|
}
|
|
|
|
if ((tofd != AT_FDCWD && tofd < 0 && *to != '/')
|
|
|| (fromfd != AT_FDCWD && fromfd < 0 && *from != '/'))
|
|
{
|
|
__set_errno (EBADF);
|
|
return -1;
|
|
}
|
|
|
|
__set_errno (ENOSYS);
|
|
return -1;
|
|
}
|
|
stub_warning (linkat)
|