1 /* Reading symbolic links without size limitation.
3 Copyright (C) 2001, 2003, 2004, 2007 Free Software Foundation, Inc.
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2, or (at your option)
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; see the file COPYING.
17 If not, write to the Free Software Foundation,
18 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
20 /* Written by Jim Meyering <jim@meyering.net> */
24 /* Call readlink to get the symbolic link value of FILENAME.
25 Return a pointer to that NUL-terminated string in malloc'd storage.
26 If readlink fails, return NULL and set errno. */
27 extern char *xreadlink (char const *filename);
29 /* Call readlink to get the symbolic link value of FILENAME.
30 SIZE_HINT is a hint as to how long the link is expected to be;
31 typically it is taken from st_size. It need not be correct.
32 Return a pointer to that NUL-terminated string in malloc'd storage.
33 If readlink fails, return NULL and set errno. */
34 extern char *xreadlink_with_size (char const *filename, size_t size_hint);