1/* Declarations for recur.c.
2   Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
3   2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation,
4   Inc.
5
6This file is part of GNU Wget.
7
8GNU Wget is free software; you can redistribute it and/or modify
9it under the terms of the GNU General Public License as published by
10the Free Software Foundation; either version 3 of the License, or
11(at your option) any later version.
12
13GNU Wget is distributed in the hope that it will be useful,
14but WITHOUT ANY WARRANTY; without even the implied warranty of
15MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16GNU General Public License for more details.
17
18You should have received a copy of the GNU General Public License
19along with Wget.  If not, see <http://www.gnu.org/licenses/>.
20
21Additional permission under GNU GPL version 3 section 7
22
23If you modify this program, or any covered work, by linking or
24combining it with the OpenSSL project's OpenSSL library (or a
25modified version of that library), containing parts covered by the
26terms of the OpenSSL or SSLeay licenses, the Free Software Foundation
27grants you additional permission to convey the resulting work.
28Corresponding Source for a non-source form of such a combination
29shall include the source code for the parts of OpenSSL used as well
30as that of the covered work.  */
31
32#ifndef RECUR_H
33#define RECUR_H
34
35#include "url.h"
36
37/* For most options, 0 means no limits, but with -p in the picture,
38   that causes a problem on the maximum recursion depth variable.  To
39   retain backwards compatibility we allow users to consider "0" to be
40   synonymous with "inf" for -l, but internally infinite recursion is
41   specified by -1 and 0 means to only retrieve the requisites of a
42   single document. */
43#define INFINITE_RECURSION -1
44
45struct urlpos;
46
47void recursive_cleanup (void);
48uerr_t retrieve_tree (struct url *, struct iri *);
49
50#endif /* RECUR_H */
51