iPXE
cwuri.c
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1 /*
2  * Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>.
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License as
6  * published by the Free Software Foundation; either version 2 of the
7  * License, or any later version.
8  *
9  * This program is distributed in the hope that it will be useful, but
10  * WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
17  * 02110-1301, USA.
18  *
19  * You can also choose to distribute this program under the terms of
20  * the Unmodified Binary Distribution Licence (as given in the file
21  * COPYING.UBDL), provided that you have satisfied its requirements.
22  */
23 
24 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
25 
26 #include <stddef.h>
27 #include <ipxe/uri.h>
28 
29 /** @file
30  *
31  * Current working URI
32  *
33  * Somewhat analogous to the current working directory in a POSIX
34  * system.
35  */
36 
37 /** Current working URI */
38 struct uri *cwuri = NULL;
39 
40 /**
41  * Change working URI
42  *
43  * @v uri New working URI, or NULL
44  */
45 void churi ( struct uri *uri ) {
46  struct uri *new_uri = NULL;
47 
48  if ( uri )
49  new_uri = resolve_uri ( cwuri, uri );
50 
51  uri_put ( cwuri );
52  cwuri = new_uri;
53 }
static void uri_put(struct uri *uri)
Decrement URI reference count.
Definition: uri.h:188
Uniform Resource Identifiers.
void churi(struct uri *uri)
Change working URI.
Definition: cwuri.c:45
FILE_LICENCE(GPL2_OR_LATER_OR_UBDL)
A Uniform Resource Identifier.
Definition: uri.h:50
struct uri * resolve_uri(const struct uri *base_uri, struct uri *relative_uri)
Resolve base+relative URI.
Definition: uri.c:676
struct uri * cwuri
Current working URI.
Definition: cwuri.c:38
#define NULL
NULL pointer (VOID *)
Definition: Base.h:362