mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-12-23 04:26:50 +03:00
87 lines
2.2 KiB
C
87 lines
2.2 KiB
C
/*
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* Copyright 2014 Vincent Sanders <vince@netsurf-browser.org>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** \file
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* Low-level resource cache null persistant storage implementation.
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*/
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#include "utils/nsurl.h"
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#include "content/backing_store.h"
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/* default to disabled backing store */
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static nserror initialise(const struct llcache_store_parameters *parameters)
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{
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return NSERROR_OK;
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}
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static nserror finalise(void)
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{
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return NSERROR_OK;
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}
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static nserror store(nsurl *url,
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enum backing_store_flags flags,
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const uint8_t *data,
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const size_t datalen)
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{
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return NSERROR_SAVE_FAILED;
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}
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static nserror fetch(nsurl *url,
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enum backing_store_flags flags,
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uint8_t **data_out,
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size_t *datalen_out)
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{
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return NSERROR_NOT_FOUND;
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}
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static nserror invalidate(nsurl *url)
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{
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return NSERROR_NOT_FOUND;
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}
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/**
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* release a previously fetched or stored memory object.
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*
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* if the BACKING_STORE_ALLOC flag was used with the fetch or
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* store operation for this url the returned storage is
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* unreferenced. When the reference count drops to zero the
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* storage is released.
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*
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* @param url The url is used as the unique primary key to invalidate.
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* @param[in] flags The flags to control how the object data is released.
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* @return NSERROR_OK on success or error code on faliure.
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*/
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static nserror release(nsurl *url, enum backing_store_flags flags)
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{
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return NSERROR_NOT_FOUND;
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}
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static struct gui_llcache_table llcache_table = {
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.initialise = initialise,
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.finalise = finalise,
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.store = store,
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.fetch = fetch,
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.invalidate = invalidate,
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.release = release,
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};
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struct gui_llcache_table *null_llcache_table = &llcache_table;
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