alpha: Include errno.h in sysdep.h
[glibc.git] / io / readlink.c
bloba966b711e66b2915db5ca91175c5da2ffbd240df
1 /* Copyright (C) 1991-2013 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 <unistd.h>
21 /* Read the contents of the symbolic link PATH into no more than
22 LEN bytes of BUF. The contents are not null-terminated.
23 Returns the number of characters read, or -1 for errors. */
24 ssize_t
25 __readlink (path, buf, len)
26 const char *path;
27 char *buf;
28 size_t len;
30 __set_errno (ENOSYS);
31 return -1;
33 stub_warning (readlink)
35 weak_alias (__readlink, readlink)