mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-11-24 07:19:37 +03:00
87 lines
2.2 KiB
C
87 lines
2.2 KiB
C
/*
|
|
* Copyright 2014 Vincent Sanders <vince@netsurf-browser.org>
|
|
*
|
|
* This file is part of NetSurf, http://www.netsurf-browser.org/
|
|
*
|
|
* NetSurf is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; version 2 of the License.
|
|
*
|
|
* NetSurf is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
/** \file
|
|
* Low-level resource cache null persistant storage implementation.
|
|
*/
|
|
|
|
#include "utils/nsurl.h"
|
|
|
|
#include "content/backing_store.h"
|
|
|
|
|
|
/* default to disabled backing store */
|
|
static nserror initialise(const struct llcache_store_parameters *parameters)
|
|
{
|
|
return NSERROR_OK;
|
|
}
|
|
|
|
static nserror finalise(void)
|
|
{
|
|
return NSERROR_OK;
|
|
}
|
|
|
|
static nserror store(nsurl *url,
|
|
enum backing_store_flags flags,
|
|
uint8_t *data,
|
|
const size_t datalen)
|
|
{
|
|
return NSERROR_SAVE_FAILED;
|
|
}
|
|
|
|
static nserror fetch(nsurl *url,
|
|
enum backing_store_flags flags,
|
|
uint8_t **data_out,
|
|
size_t *datalen_out)
|
|
{
|
|
return NSERROR_NOT_FOUND;
|
|
}
|
|
|
|
static nserror invalidate(nsurl *url)
|
|
{
|
|
return NSERROR_NOT_FOUND;
|
|
}
|
|
|
|
/**
|
|
* release a previously fetched or stored memory object.
|
|
*
|
|
* if the BACKING_STORE_ALLOC flag was used with the fetch or
|
|
* store operation for this url the returned storage is
|
|
* unreferenced. When the reference count drops to zero the
|
|
* storage is released.
|
|
*
|
|
* @param url The url is used as the unique primary key to invalidate.
|
|
* @param[in] flags The flags to control how the object data is released.
|
|
* @return NSERROR_OK on success or error code on faliure.
|
|
*/
|
|
static nserror release(nsurl *url, enum backing_store_flags flags)
|
|
{
|
|
return NSERROR_NOT_FOUND;
|
|
}
|
|
|
|
static struct gui_llcache_table llcache_table = {
|
|
.initialise = initialise,
|
|
.finalise = finalise,
|
|
.store = store,
|
|
.fetch = fetch,
|
|
.invalidate = invalidate,
|
|
.release = release,
|
|
};
|
|
|
|
struct gui_llcache_table *null_llcache_table = &llcache_table;
|