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/* Copyright (C) 2005-2019 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
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
/* Read the contents of the symbolic link PATH relative to FD into no
more than LEN bytes of BUF. The contents are not null-terminated.
Returns the number of characters read, or -1 for errors. */
ssize_t
readlinkat (int fd, const char *path, char *buf, size_t len)
{
if (path == NULL)
{
__set_errno (EINVAL);
return -1;
}
if (fd != AT_FDCWD && fd < 0 && *path != '/')
{
__set_errno (EBADF);
return -1;
}
__set_errno (ENOSYS);
return -1;
}
stub_warning (readlinkat)
libc_hidden_def (readlinkat)
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