Replace M_PIl with lit_pi in libm-test.inc
[glibc.git] / io / symlinkat.c
blob240c9fcc43c27fca2f17196041b29b4efcaa342b
1 /* Copyright (C) 2005-2016 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
18 #include <errno.h>
19 #include <fcntl.h>
20 #include <stddef.h>
21 #include <unistd.h>
24 /* Make a link to FROM called TO relative to FD. */
25 int
26 symlinkat (const char *from, int fd, const char *to)
28 if (from == NULL || to == NULL)
30 __set_errno (EINVAL);
31 return -1;
34 if (fd != AT_FDCWD && fd < 0 && *to != '/')
36 __set_errno (EBADF);
37 return -1;
40 __set_errno (ENOSYS);
41 return -1;
43 stub_warning (symlinkat)