Fix i386 __mpn_lshift unwind info
[glibc.git] / io / linkat.c
blob9afcf61a3c3b0d272261a749568b173ae301d2c2
1 /* Copyright (C) 2005, 2006 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, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17 02111-1307 USA. */
19 #include <errno.h>
20 #include <fcntl.h>
21 #include <stddef.h>
22 #include <unistd.h>
25 /* Make a link to FROM relative to FROMFD called TO relative to TOFD. */
26 int
27 linkat (fromfd, from, tofd, to, flags)
28 int fromfd;
29 const char *from;
30 int tofd;
31 const char *to;
32 int flags;
34 if (from == NULL || to == NULL)
36 __set_errno (EINVAL);
37 return -1;
40 if ((tofd != AT_FDCWD && tofd < 0 && *to != '/')
41 || (fromfd != AT_FDCWD && fromfd < 0 && *from != '/'))
43 __set_errno (EBADF);
44 return -1;
47 __set_errno (ENOSYS);
48 return -1;
50 stub_warning (linkat)
52 #include <stub-tag.h>