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/*
* Copyright 2019 John-Mark Bell <jmb@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/>.
*/
#ifndef NETSURF_UTILS_HTTP_CACHE_CONTROL_H_
#define NETSURF_UTILS_HTTP_CACHE_CONTROL_H_
#include <libwapcaplet/libwapcaplet.h>
typedef struct http_cache_control http_cache_control;
/**
* Parse an HTTP Cache-Control header value
*
* \param header_value Header value to parse
* \param result Pointer to location to receive result
* \return NSERROR_OK on success,
* NSERROR_NOMEM on memory exhaustion,
* appropriate error otherwise
*/
nserror http_parse_cache_control(const char *header_value,
http_cache_control **result);
/**
* Destroy a cache_control object
*
* \param victim Object to destroy
*/
void http_cache_control_destroy(http_cache_control *victim);
/**
* Determine if a valid max-age directive is present
*
* \param cc Object to inspect
* \return Whether max-age is valid
*/
bool http_cache_control_has_max_age(http_cache_control *cc);
/**
* Get the value of a cache control's max-age
*
* \param cc Object to inspect
* \return Max age, in delta-seconds
*/
uint32_t http_cache_control_max_age(http_cache_control *cc);
/**
* Get the value of a cache control's no-cache flag
*
* \param cc Object to inspect
* \return Whether caching is forbidden
*/
bool http_cache_control_no_cache(http_cache_control *cc);
/**
* Get the value of a cache control's no-store flag
*
* \param cc Object to inspect
* \return Whether persistent caching is forbidden
*/
bool http_cache_control_no_store(http_cache_control *cc);
#endif
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